2 e6bcace5 2021-06-22 stsp * Copyright (c) 2020 Ori Bernstein
3 e6bcace5 2021-06-22 stsp * Copyright (c) 2021 Stefan Sperling <stsp@openbsd.org>
5 e6bcace5 2021-06-22 stsp * Permission to use, copy, modify, and distribute this software for any
6 e6bcace5 2021-06-22 stsp * purpose with or without fee is hereby granted, provided that the above
7 e6bcace5 2021-06-22 stsp * copyright notice and this permission notice appear in all copies.
9 e6bcace5 2021-06-22 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 e6bcace5 2021-06-22 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 e6bcace5 2021-06-22 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 e6bcace5 2021-06-22 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 e6bcace5 2021-06-22 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 e6bcace5 2021-06-22 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 e6bcace5 2021-06-22 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 08736cf9 2021-06-23 stsp #include <sys/types.h>
19 08736cf9 2021-06-23 stsp #include <sys/uio.h>
20 e6bcace5 2021-06-22 stsp #include <sys/stat.h>
21 31ba2236 2022-01-05 thomas #include <sys/time.h>
22 d93dda9a 2022-05-12 thomas #include <sys/mman.h>
24 d93dda9a 2022-05-12 thomas #include <errno.h>
25 08736cf9 2021-06-23 stsp #include <stdint.h>
26 e6bcace5 2021-06-22 stsp #include <stdio.h>
27 e6bcace5 2021-06-22 stsp #include <stdlib.h>
28 e6bcace5 2021-06-22 stsp #include <string.h>
29 31ba2236 2022-01-05 thomas #include <time.h>
30 db847d2c 2022-03-22 thomas #include <unistd.h>
31 e6bcace5 2021-06-22 stsp #include <limits.h>
32 e6bcace5 2021-06-22 stsp #include <zlib.h>
34 b347007e 2021-10-15 thomas #if defined(__FreeBSD__)
35 b347007e 2021-10-15 thomas #include <unistd.h>
38 e6bcace5 2021-06-22 stsp #include "got_error.h"
39 e6bcace5 2021-06-22 stsp #include "got_cancel.h"
40 e6bcace5 2021-06-22 stsp #include "got_object.h"
41 0be8fa4c 2021-10-15 thomas #include "got_path.h"
42 05118f5a 2021-06-22 stsp #include "got_reference.h"
43 05118f5a 2021-06-22 stsp #include "got_repository_admin.h"
44 e4d8ab47 2021-10-15 thomas #include "got_opentemp.h"
46 e6bcace5 2021-06-22 stsp #include "got_lib_deltify.h"
47 e6bcace5 2021-06-22 stsp #include "got_lib_delta.h"
48 e6bcace5 2021-06-22 stsp #include "got_lib_object.h"
49 e6bcace5 2021-06-22 stsp #include "got_lib_object_idset.h"
50 05118f5a 2021-06-22 stsp #include "got_lib_object_cache.h"
51 e6bcace5 2021-06-22 stsp #include "got_lib_deflate.h"
52 e6bcace5 2021-06-22 stsp #include "got_lib_pack.h"
53 036966ba 2022-05-31 thomas #include "got_lib_pack_create.h"
54 05118f5a 2021-06-22 stsp #include "got_lib_privsep.h"
55 05118f5a 2021-06-22 stsp #include "got_lib_repository.h"
56 31ba2236 2022-01-05 thomas #include "got_lib_ratelimit.h"
57 9249e7e3 2022-05-12 thomas #include "got_lib_inflate.h"
59 d23a6c95 2022-05-31 thomas #include "murmurhash2.h"
61 b79280dd 2021-10-15 thomas #ifndef MIN
62 b79280dd 2021-10-15 thomas #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
66 e6bcace5 2021-06-22 stsp #define MAX(_a,_b) ((_a) > (_b) ? (_a) : (_b))
69 5fe7b5c1 2022-04-16 thomas #ifndef nitems
70 5fe7b5c1 2022-04-16 thomas #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
73 e6bcace5 2021-06-22 stsp struct got_pack_meta {
74 e6bcace5 2021-06-22 stsp struct got_object_id id;
75 d23a6c95 2022-05-31 thomas uint32_t path_hash;
76 e6bcace5 2021-06-22 stsp int obj_type;
77 ab6186ae 2021-10-15 thomas off_t size;
78 e6bcace5 2021-06-22 stsp time_t mtime;
80 e6bcace5 2021-06-22 stsp /* The best delta we picked */
81 e6bcace5 2021-06-22 stsp struct got_pack_meta *head;
82 e6bcace5 2021-06-22 stsp struct got_pack_meta *prev;
83 9249e7e3 2022-05-12 thomas unsigned char *delta_buf; /* if encoded in memory (compressed) */
84 9249e7e3 2022-05-12 thomas off_t delta_offset; /* offset in delta cache file (compressed) */
85 3b6ceab7 2022-01-10 thomas off_t delta_len; /* encoded delta length */
86 9249e7e3 2022-05-12 thomas off_t delta_compressed_len; /* encoded+compressed delta length */
89 f9c2e8e5 2022-02-13 thomas off_t reused_delta_offset; /* offset of delta in reused pack file */
90 f9c2e8e5 2022-02-13 thomas struct got_object_id *base_obj_id;
92 e6bcace5 2021-06-22 stsp /* Only used for delta window */
93 e6bcace5 2021-06-22 stsp struct got_delta_table *dtab;
95 e6bcace5 2021-06-22 stsp /* Only used for writing offset deltas */
99 e6bcace5 2021-06-22 stsp struct got_pack_metavec {
100 e6bcace5 2021-06-22 stsp struct got_pack_meta **meta;
102 e6bcace5 2021-06-22 stsp int metasz;
105 e6bcace5 2021-06-22 stsp static const struct got_error *
106 e6bcace5 2021-06-22 stsp alloc_meta(struct got_pack_meta **new, struct got_object_id *id,
107 cc524d36 2022-05-31 thomas const char *path, int obj_type, time_t mtime, uint32_t seed)
109 e6bcace5 2021-06-22 stsp struct got_pack_meta *m;
111 e6bcace5 2021-06-22 stsp *new = NULL;
113 e6bcace5 2021-06-22 stsp m = calloc(1, sizeof(*m));
114 e6bcace5 2021-06-22 stsp if (m == NULL)
115 b7e0a384 2021-10-15 thomas return got_error_from_errno("calloc");
117 e6bcace5 2021-06-22 stsp memcpy(&m->id, id, sizeof(m->id));
119 cc524d36 2022-05-31 thomas m->path_hash = murmurhash2(path, strlen(path), seed);
120 e6bcace5 2021-06-22 stsp m->obj_type = obj_type;
121 e6bcace5 2021-06-22 stsp m->mtime = mtime;
123 e6bcace5 2021-06-22 stsp return NULL;
126 e6bcace5 2021-06-22 stsp static void
127 e6bcace5 2021-06-22 stsp clear_meta(struct got_pack_meta *meta)
129 e6bcace5 2021-06-22 stsp if (meta == NULL)
131 d23a6c95 2022-05-31 thomas meta->path_hash = 0;
132 3b6ceab7 2022-01-10 thomas free(meta->delta_buf);
133 3b6ceab7 2022-01-10 thomas meta->delta_buf = NULL;
134 f9c2e8e5 2022-02-13 thomas free(meta->base_obj_id);
135 f9c2e8e5 2022-02-13 thomas meta->base_obj_id = NULL;
136 6c0788af 2022-05-31 thomas meta->reused_delta_offset = 0;
139 e6bcace5 2021-06-22 stsp static void
140 e6bcace5 2021-06-22 stsp free_nmeta(struct got_pack_meta **meta, int nmeta)
144 e6bcace5 2021-06-22 stsp for (i = 0; i < nmeta; i++)
145 e6bcace5 2021-06-22 stsp clear_meta(meta[i]);
146 e6bcace5 2021-06-22 stsp free(meta);
150 e6bcace5 2021-06-22 stsp delta_order_cmp(const void *pa, const void *pb)
152 e6bcace5 2021-06-22 stsp struct got_pack_meta *a, *b;
154 e6bcace5 2021-06-22 stsp a = *(struct got_pack_meta **)pa;
155 e6bcace5 2021-06-22 stsp b = *(struct got_pack_meta **)pb;
157 e6bcace5 2021-06-22 stsp if (a->obj_type != b->obj_type)
158 e6bcace5 2021-06-22 stsp return a->obj_type - b->obj_type;
159 d23a6c95 2022-05-31 thomas if (a->path_hash < b->path_hash)
160 d23a6c95 2022-05-31 thomas return -1;
161 d23a6c95 2022-05-31 thomas if (a->path_hash > b->path_hash)
162 d23a6c95 2022-05-31 thomas return 1;
163 f6b43367 2022-05-01 thomas if (a->mtime < b->mtime)
164 f6b43367 2022-05-01 thomas return -1;
165 f6b43367 2022-05-01 thomas if (a->mtime > b->mtime)
166 f6b43367 2022-05-01 thomas return 1;
167 e6bcace5 2021-06-22 stsp return got_object_id_cmp(&a->id, &b->id);
170 3b6ceab7 2022-01-10 thomas static off_t
171 e6bcace5 2021-06-22 stsp delta_size(struct got_delta_instruction *deltas, int ndeltas)
174 3b6ceab7 2022-01-10 thomas off_t size = 32;
175 e6bcace5 2021-06-22 stsp for (i = 0; i < ndeltas; i++) {
176 e6bcace5 2021-06-22 stsp if (deltas[i].copy)
177 e6bcace5 2021-06-22 stsp size += GOT_DELTA_SIZE_SHIFT;
179 e6bcace5 2021-06-22 stsp size += deltas[i].len + 1;
181 e6bcace5 2021-06-22 stsp return size;
184 3b6ceab7 2022-01-10 thomas static const struct got_error *
185 3b6ceab7 2022-01-10 thomas append(unsigned char **p, size_t *len, off_t *sz, void *seg, int nseg)
189 3b6ceab7 2022-01-10 thomas if (*len + nseg >= *sz) {
190 3b6ceab7 2022-01-10 thomas while (*len + nseg >= *sz)
191 3b6ceab7 2022-01-10 thomas *sz += *sz / 2;
192 3b6ceab7 2022-01-10 thomas n = realloc(*p, *sz);
193 3b6ceab7 2022-01-10 thomas if (n == NULL)
194 3b6ceab7 2022-01-10 thomas return got_error_from_errno("realloc");
197 3b6ceab7 2022-01-10 thomas memcpy(*p + *len, seg, nseg);
198 3b6ceab7 2022-01-10 thomas *len += nseg;
199 3b6ceab7 2022-01-10 thomas return NULL;
202 3b6ceab7 2022-01-10 thomas static const struct got_error *
203 3b6ceab7 2022-01-10 thomas encode_delta_in_mem(struct got_pack_meta *m, struct got_raw_object *o,
204 3b6ceab7 2022-01-10 thomas struct got_delta_instruction *deltas, int ndeltas,
205 3b6ceab7 2022-01-10 thomas off_t delta_size, off_t base_size)
207 3b6ceab7 2022-01-10 thomas const struct got_error *err;
208 3b6ceab7 2022-01-10 thomas unsigned char buf[16], *bp;
209 3b6ceab7 2022-01-10 thomas int i, j;
210 9249e7e3 2022-05-12 thomas size_t len = 0, compressed_len;
211 9249e7e3 2022-05-12 thomas off_t bufsize = delta_size;
213 3b6ceab7 2022-01-10 thomas struct got_delta_instruction *d;
214 9249e7e3 2022-05-12 thomas uint8_t *delta_buf;
216 9249e7e3 2022-05-12 thomas delta_buf = malloc(bufsize);
217 9249e7e3 2022-05-12 thomas if (delta_buf == NULL)
218 9249e7e3 2022-05-12 thomas return got_error_from_errno("malloc");
220 3b6ceab7 2022-01-10 thomas /* base object size */
221 3b6ceab7 2022-01-10 thomas buf[0] = base_size & GOT_DELTA_SIZE_VAL_MASK;
222 3b6ceab7 2022-01-10 thomas n = base_size >> GOT_DELTA_SIZE_SHIFT;
223 3b6ceab7 2022-01-10 thomas for (i = 1; n > 0; i++) {
224 3b6ceab7 2022-01-10 thomas buf[i - 1] |= GOT_DELTA_SIZE_MORE;
225 3b6ceab7 2022-01-10 thomas buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
226 3b6ceab7 2022-01-10 thomas n >>= GOT_DELTA_SIZE_SHIFT;
228 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize, buf, i);
230 9249e7e3 2022-05-12 thomas goto done;
232 3b6ceab7 2022-01-10 thomas /* target object size */
233 3b6ceab7 2022-01-10 thomas buf[0] = o->size & GOT_DELTA_SIZE_VAL_MASK;
234 3b6ceab7 2022-01-10 thomas n = o->size >> GOT_DELTA_SIZE_SHIFT;
235 3b6ceab7 2022-01-10 thomas for (i = 1; n > 0; i++) {
236 3b6ceab7 2022-01-10 thomas buf[i - 1] |= GOT_DELTA_SIZE_MORE;
237 3b6ceab7 2022-01-10 thomas buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
238 3b6ceab7 2022-01-10 thomas n >>= GOT_DELTA_SIZE_SHIFT;
240 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize, buf, i);
242 9249e7e3 2022-05-12 thomas goto done;
244 3b6ceab7 2022-01-10 thomas for (j = 0; j < ndeltas; j++) {
245 3b6ceab7 2022-01-10 thomas d = &deltas[j];
246 3b6ceab7 2022-01-10 thomas if (d->copy) {
247 3b6ceab7 2022-01-10 thomas n = d->offset;
248 3b6ceab7 2022-01-10 thomas bp = &buf[1];
249 3b6ceab7 2022-01-10 thomas buf[0] = GOT_DELTA_BASE_COPY;
250 3b6ceab7 2022-01-10 thomas for (i = 0; i < 4; i++) {
251 3b6ceab7 2022-01-10 thomas /* DELTA_COPY_OFF1 ... DELTA_COPY_OFF4 */
252 3b6ceab7 2022-01-10 thomas buf[0] |= 1 << i;
253 3b6ceab7 2022-01-10 thomas *bp++ = n & 0xff;
255 3b6ceab7 2022-01-10 thomas if (n == 0)
259 3b6ceab7 2022-01-10 thomas n = d->len;
260 3b6ceab7 2022-01-10 thomas if (n != GOT_DELTA_COPY_DEFAULT_LEN) {
261 3b6ceab7 2022-01-10 thomas /* DELTA_COPY_LEN1 ... DELTA_COPY_LEN3 */
262 3b6ceab7 2022-01-10 thomas for (i = 0; i < 3 && n > 0; i++) {
263 3b6ceab7 2022-01-10 thomas buf[0] |= 1 << (i + 4);
264 3b6ceab7 2022-01-10 thomas *bp++ = n & 0xff;
268 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize,
269 3b6ceab7 2022-01-10 thomas buf, bp - buf);
271 9249e7e3 2022-05-12 thomas goto done;
272 3b6ceab7 2022-01-10 thomas } else if (o->f == NULL) {
274 3b6ceab7 2022-01-10 thomas while (n != d->len) {
275 3b6ceab7 2022-01-10 thomas buf[0] = (d->len - n < 127) ? d->len - n : 127;
276 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize,
279 9249e7e3 2022-05-12 thomas goto done;
280 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize,
281 3b6ceab7 2022-01-10 thomas o->data + o->hdrlen + d->offset + n,
284 9249e7e3 2022-05-12 thomas goto done;
285 3b6ceab7 2022-01-10 thomas n += buf[0];
288 3b6ceab7 2022-01-10 thomas char content[128];
289 3b6ceab7 2022-01-10 thomas size_t r;
290 9249e7e3 2022-05-12 thomas if (fseeko(o->f, o->hdrlen + d->offset, SEEK_SET) == -1) {
291 9249e7e3 2022-05-12 thomas err = got_error_from_errno("fseeko");
292 9249e7e3 2022-05-12 thomas goto done;
295 3b6ceab7 2022-01-10 thomas while (n != d->len) {
296 3b6ceab7 2022-01-10 thomas buf[0] = (d->len - n < 127) ? d->len - n : 127;
297 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize,
300 9249e7e3 2022-05-12 thomas goto done;
301 3b6ceab7 2022-01-10 thomas r = fread(content, 1, buf[0], o->f);
302 9249e7e3 2022-05-12 thomas if (r != buf[0]) {
303 9249e7e3 2022-05-12 thomas err = got_ferror(o->f, GOT_ERR_IO);
304 9249e7e3 2022-05-12 thomas goto done;
306 9249e7e3 2022-05-12 thomas err = append(&delta_buf, &len, &bufsize,
307 3b6ceab7 2022-01-10 thomas content, buf[0]);
309 9249e7e3 2022-05-12 thomas goto done;
310 3b6ceab7 2022-01-10 thomas n += buf[0];
315 9249e7e3 2022-05-12 thomas err = got_deflate_to_mem_mmap(&m->delta_buf, &compressed_len,
316 9249e7e3 2022-05-12 thomas NULL, NULL, delta_buf, 0, len);
318 9249e7e3 2022-05-12 thomas goto done;
320 3b6ceab7 2022-01-10 thomas m->delta_len = len;
321 9249e7e3 2022-05-12 thomas m->delta_compressed_len = compressed_len;
323 9249e7e3 2022-05-12 thomas free(delta_buf);
324 9249e7e3 2022-05-12 thomas return err;
327 b79280dd 2021-10-15 thomas static const struct got_error *
328 b79280dd 2021-10-15 thomas encode_delta(struct got_pack_meta *m, struct got_raw_object *o,
329 b79280dd 2021-10-15 thomas struct got_delta_instruction *deltas, int ndeltas,
330 d0772de9 2021-10-15 thomas off_t base_size, FILE *f)
332 9249e7e3 2022-05-12 thomas const struct got_error *err;
333 d0772de9 2021-10-15 thomas unsigned char buf[16], *bp;
334 d0772de9 2021-10-15 thomas int i, j;
336 9249e7e3 2022-05-12 thomas struct got_deflate_buf zb;
337 d0772de9 2021-10-15 thomas struct got_delta_instruction *d;
338 9249e7e3 2022-05-12 thomas off_t delta_len = 0, compressed_len = 0;
340 9249e7e3 2022-05-12 thomas err = got_deflate_init(&zb, NULL, GOT_DEFLATE_BUFSIZE);
342 9249e7e3 2022-05-12 thomas return err;
344 d0772de9 2021-10-15 thomas /* base object size */
345 d0772de9 2021-10-15 thomas buf[0] = base_size & GOT_DELTA_SIZE_VAL_MASK;
346 d0772de9 2021-10-15 thomas n = base_size >> GOT_DELTA_SIZE_SHIFT;
347 d0772de9 2021-10-15 thomas for (i = 1; n > 0; i++) {
348 d0772de9 2021-10-15 thomas buf[i - 1] |= GOT_DELTA_SIZE_MORE;
349 d0772de9 2021-10-15 thomas buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
350 d0772de9 2021-10-15 thomas n >>= GOT_DELTA_SIZE_SHIFT;
353 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb, &compressed_len,
354 9249e7e3 2022-05-12 thomas buf, 0, i, f, NULL);
356 9249e7e3 2022-05-12 thomas goto done;
357 9249e7e3 2022-05-12 thomas delta_len += i;
359 d0772de9 2021-10-15 thomas /* target object size */
360 d0772de9 2021-10-15 thomas buf[0] = o->size & GOT_DELTA_SIZE_VAL_MASK;
361 d0772de9 2021-10-15 thomas n = o->size >> GOT_DELTA_SIZE_SHIFT;
362 d0772de9 2021-10-15 thomas for (i = 1; n > 0; i++) {
363 d0772de9 2021-10-15 thomas buf[i - 1] |= GOT_DELTA_SIZE_MORE;
364 d0772de9 2021-10-15 thomas buf[i] = n & GOT_DELTA_SIZE_VAL_MASK;
365 d0772de9 2021-10-15 thomas n >>= GOT_DELTA_SIZE_SHIFT;
368 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb, &compressed_len,
369 9249e7e3 2022-05-12 thomas buf, 0, i, f, NULL);
371 9249e7e3 2022-05-12 thomas goto done;
372 9249e7e3 2022-05-12 thomas delta_len += i;
374 d0772de9 2021-10-15 thomas for (j = 0; j < ndeltas; j++) {
375 d0772de9 2021-10-15 thomas d = &deltas[j];
376 d0772de9 2021-10-15 thomas if (d->copy) {
377 d0772de9 2021-10-15 thomas n = d->offset;
378 d0772de9 2021-10-15 thomas bp = &buf[1];
379 d0772de9 2021-10-15 thomas buf[0] = GOT_DELTA_BASE_COPY;
380 d0772de9 2021-10-15 thomas for (i = 0; i < 4; i++) {
381 d0772de9 2021-10-15 thomas /* DELTA_COPY_OFF1 ... DELTA_COPY_OFF4 */
382 d0772de9 2021-10-15 thomas buf[0] |= 1 << i;
383 d0772de9 2021-10-15 thomas *bp++ = n & 0xff;
385 d0772de9 2021-10-15 thomas if (n == 0)
388 d0772de9 2021-10-15 thomas n = d->len;
389 d0772de9 2021-10-15 thomas if (n != GOT_DELTA_COPY_DEFAULT_LEN) {
390 d0772de9 2021-10-15 thomas /* DELTA_COPY_LEN1 ... DELTA_COPY_LEN3 */
391 d0772de9 2021-10-15 thomas for (i = 0; i < 3 && n > 0; i++) {
392 d0772de9 2021-10-15 thomas buf[0] |= 1 << (i + 4);
393 d0772de9 2021-10-15 thomas *bp++ = n & 0xff;
397 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb,
398 9249e7e3 2022-05-12 thomas &compressed_len, buf, 0, bp - buf, f, NULL);
400 9249e7e3 2022-05-12 thomas goto done;
401 9249e7e3 2022-05-12 thomas delta_len += (bp - buf);
402 2b0ae357 2022-01-10 thomas } else if (o->f == NULL) {
404 2b0ae357 2022-01-10 thomas while (n != d->len) {
405 2b0ae357 2022-01-10 thomas buf[0] = (d->len - n < 127) ? d->len - n : 127;
406 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb,
407 9249e7e3 2022-05-12 thomas &compressed_len, buf, 0, 1, f, NULL);
409 9249e7e3 2022-05-12 thomas goto done;
410 9249e7e3 2022-05-12 thomas delta_len++;
411 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb,
412 9249e7e3 2022-05-12 thomas &compressed_len,
413 9249e7e3 2022-05-12 thomas o->data + o->hdrlen + d->offset + n, 0,
414 9249e7e3 2022-05-12 thomas buf[0], f, NULL);
416 9249e7e3 2022-05-12 thomas goto done;
417 9249e7e3 2022-05-12 thomas delta_len += buf[0];
418 2b0ae357 2022-01-10 thomas n += buf[0];
421 d0772de9 2021-10-15 thomas char content[128];
422 d0772de9 2021-10-15 thomas size_t r;
423 9249e7e3 2022-05-12 thomas if (fseeko(o->f, o->hdrlen + d->offset, SEEK_SET) == -1) {
424 9249e7e3 2022-05-12 thomas err = got_error_from_errno("fseeko");
425 9249e7e3 2022-05-12 thomas goto done;
428 d0772de9 2021-10-15 thomas while (n != d->len) {
429 d0772de9 2021-10-15 thomas buf[0] = (d->len - n < 127) ? d->len - n : 127;
430 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb,
431 9249e7e3 2022-05-12 thomas &compressed_len, buf, 0, 1, f, NULL);
433 9249e7e3 2022-05-12 thomas goto done;
434 9249e7e3 2022-05-12 thomas delta_len++;
435 d0772de9 2021-10-15 thomas r = fread(content, 1, buf[0], o->f);
436 9249e7e3 2022-05-12 thomas if (r != buf[0]) {
437 9249e7e3 2022-05-12 thomas err = got_ferror(o->f, GOT_ERR_IO);
438 9249e7e3 2022-05-12 thomas goto done;
440 9249e7e3 2022-05-12 thomas err = got_deflate_append_to_file_mmap(&zb,
441 9249e7e3 2022-05-12 thomas &compressed_len, content, 0, buf[0], f,
444 9249e7e3 2022-05-12 thomas goto done;
445 9249e7e3 2022-05-12 thomas delta_len += buf[0];
446 d0772de9 2021-10-15 thomas n += buf[0];
451 9249e7e3 2022-05-12 thomas err = got_deflate_flush(&zb, f, NULL, &compressed_len);
453 9249e7e3 2022-05-12 thomas goto done;
455 9249e7e3 2022-05-12 thomas /* sanity check */
456 9249e7e3 2022-05-12 thomas if (compressed_len != ftello(f) - m->delta_offset) {
457 9249e7e3 2022-05-12 thomas err = got_error(GOT_ERR_COMPRESSION);
458 9249e7e3 2022-05-12 thomas goto done;
461 9249e7e3 2022-05-12 thomas m->delta_len = delta_len;
462 9249e7e3 2022-05-12 thomas m->delta_compressed_len = compressed_len;
464 9249e7e3 2022-05-12 thomas got_deflate_end(&zb);
465 9249e7e3 2022-05-12 thomas return err;
468 31ba2236 2022-01-05 thomas static const struct got_error *
469 31ba2236 2022-01-05 thomas report_progress(got_pack_progress_cb progress_cb, void *progress_arg,
470 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, int ncolored, int nfound, int ntrees,
471 85220b0e 2022-03-22 thomas off_t packfile_size, int ncommits, int nobj_total, int obj_deltify,
472 85220b0e 2022-03-22 thomas int nobj_written)
474 31ba2236 2022-01-05 thomas const struct got_error *err;
475 31ba2236 2022-01-05 thomas int elapsed;
477 31ba2236 2022-01-05 thomas if (progress_cb == NULL)
478 31ba2236 2022-01-05 thomas return NULL;
480 31ba2236 2022-01-05 thomas err = got_ratelimit_check(&elapsed, rl);
481 31ba2236 2022-01-05 thomas if (err || !elapsed)
482 31ba2236 2022-01-05 thomas return err;
484 85220b0e 2022-03-22 thomas return progress_cb(progress_arg, ncolored, nfound, ntrees,
485 85220b0e 2022-03-22 thomas packfile_size, ncommits, nobj_total, obj_deltify, nobj_written);
488 e6bcace5 2021-06-22 stsp static const struct got_error *
489 f9c2e8e5 2022-02-13 thomas add_meta(struct got_pack_meta *m, struct got_pack_metavec *v)
491 f9c2e8e5 2022-02-13 thomas if (v->nmeta == v->metasz){
492 f9c2e8e5 2022-02-13 thomas size_t newsize = 2 * v->metasz;
493 f9c2e8e5 2022-02-13 thomas struct got_pack_meta **new;
494 f9c2e8e5 2022-02-13 thomas new = reallocarray(v->meta, newsize, sizeof(*new));
495 f9c2e8e5 2022-02-13 thomas if (new == NULL)
496 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("reallocarray");
497 f9c2e8e5 2022-02-13 thomas v->meta = new;
498 f9c2e8e5 2022-02-13 thomas v->metasz = newsize;
501 f9c2e8e5 2022-02-13 thomas v->meta[v->nmeta++] = m;
502 f9c2e8e5 2022-02-13 thomas return NULL;
505 f9c2e8e5 2022-02-13 thomas static const struct got_error *
506 f9c2e8e5 2022-02-13 thomas find_pack_for_reuse(struct got_packidx **best_packidx,
507 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
509 de47d040 2022-03-22 thomas const struct got_error *err = NULL;
510 f9c2e8e5 2022-02-13 thomas struct got_pathlist_entry *pe;
511 f9c2e8e5 2022-02-13 thomas const char *best_packidx_path = NULL;
512 f9c2e8e5 2022-02-13 thomas int nobj_max = 0;
514 f9c2e8e5 2022-02-13 thomas *best_packidx = NULL;
516 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
517 f9c2e8e5 2022-02-13 thomas const char *path_packidx = pe->path;
518 f9c2e8e5 2022-02-13 thomas struct got_packidx *packidx;
519 f9c2e8e5 2022-02-13 thomas int nobj;
521 f9c2e8e5 2022-02-13 thomas err = got_repo_get_packidx(&packidx, path_packidx, repo);
525 f9c2e8e5 2022-02-13 thomas nobj = be32toh(packidx->hdr.fanout_table[0xff]);
526 f9c2e8e5 2022-02-13 thomas if (nobj > nobj_max) {
527 f9c2e8e5 2022-02-13 thomas best_packidx_path = path_packidx;
528 f9c2e8e5 2022-02-13 thomas nobj_max = nobj;
532 f9c2e8e5 2022-02-13 thomas if (best_packidx_path) {
533 f9c2e8e5 2022-02-13 thomas err = got_repo_get_packidx(best_packidx, best_packidx_path,
537 f9c2e8e5 2022-02-13 thomas return err;
540 7d0d4920 2022-05-12 thomas struct send_id_arg {
541 7d0d4920 2022-05-12 thomas struct imsgbuf *ibuf;
542 7d0d4920 2022-05-12 thomas struct got_object_id *ids[GOT_IMSG_OBJ_ID_LIST_MAX_NIDS];
543 7d0d4920 2022-05-12 thomas size_t nids;
546 f9c2e8e5 2022-02-13 thomas static const struct got_error *
547 7d0d4920 2022-05-12 thomas send_id(struct got_object_id *id, void *data, void *arg)
549 7d0d4920 2022-05-12 thomas const struct got_error *err = NULL;
550 7d0d4920 2022-05-12 thomas struct send_id_arg *a = arg;
552 7d0d4920 2022-05-12 thomas a->ids[a->nids++] = id;
554 7d0d4920 2022-05-12 thomas if (a->nids >= GOT_IMSG_OBJ_ID_LIST_MAX_NIDS) {
555 7d0d4920 2022-05-12 thomas err = got_privsep_send_object_idlist(a->ibuf, a->ids, a->nids);
557 f9c2e8e5 2022-02-13 thomas return err;
558 7d0d4920 2022-05-12 thomas a->nids = 0;
561 7d0d4920 2022-05-12 thomas return NULL;
564 ec2b23c5 2022-07-01 thomas static const struct got_error *
565 ec2b23c5 2022-07-01 thomas send_idset(struct imsgbuf *ibuf, struct got_object_idset *idset)
567 ec2b23c5 2022-07-01 thomas const struct got_error *err;
568 ec2b23c5 2022-07-01 thomas struct send_id_arg sia;
570 ec2b23c5 2022-07-01 thomas memset(&sia, 0, sizeof(sia));
571 ec2b23c5 2022-07-01 thomas sia.ibuf = ibuf;
572 ec2b23c5 2022-07-01 thomas err = got_object_idset_for_each(idset, send_id, &sia);
574 ec2b23c5 2022-07-01 thomas return err;
576 ec2b23c5 2022-07-01 thomas if (sia.nids > 0) {
577 ec2b23c5 2022-07-01 thomas err = got_privsep_send_object_idlist(ibuf, sia.ids, sia.nids);
579 ec2b23c5 2022-07-01 thomas return err;
582 ec2b23c5 2022-07-01 thomas return got_privsep_send_object_idlist_done(ibuf);
586 7d0d4920 2022-05-12 thomas static const struct got_error *
587 7d0d4920 2022-05-12 thomas recv_reused_delta(struct got_imsg_reused_delta *delta,
588 7d0d4920 2022-05-12 thomas struct got_object_idset *idset, struct got_pack_metavec *v)
590 7d0d4920 2022-05-12 thomas struct got_pack_meta *m, *base;
592 7d0d4920 2022-05-12 thomas if (delta->delta_offset + delta->delta_size < delta->delta_offset ||
593 7d0d4920 2022-05-12 thomas delta->delta_offset +
594 7d0d4920 2022-05-12 thomas delta->delta_compressed_size < delta->delta_offset)
595 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_BAD_PACKFILE);
597 7d0d4920 2022-05-12 thomas m = got_object_idset_get(idset, &delta->id);
598 7d0d4920 2022-05-12 thomas if (m == NULL)
599 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_OBJ);
601 7d0d4920 2022-05-12 thomas base = got_object_idset_get(idset, &delta->base_id);
602 7d0d4920 2022-05-12 thomas if (base == NULL)
603 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_OBJ);
605 7d0d4920 2022-05-12 thomas m->delta_len = delta->delta_size;
606 7d0d4920 2022-05-12 thomas m->delta_compressed_len = delta->delta_compressed_size;
607 7d0d4920 2022-05-12 thomas m->delta_offset = delta->delta_out_offset;
608 7d0d4920 2022-05-12 thomas m->prev = base;
609 7d0d4920 2022-05-12 thomas m->size = delta->result_size;
610 7d0d4920 2022-05-12 thomas m->reused_delta_offset = delta->delta_offset;
611 7d0d4920 2022-05-12 thomas m->base_obj_id = got_object_id_dup(&delta->base_id);
612 7d0d4920 2022-05-12 thomas if (m->base_obj_id == NULL)
613 7d0d4920 2022-05-12 thomas return got_error_from_errno("got_object_id_dup");
615 7d0d4920 2022-05-12 thomas return add_meta(m, v);
618 68036464 2022-06-26 thomas static const struct got_error *
619 ec2b23c5 2022-07-01 thomas cache_pack_for_packidx(struct got_pack **pack, struct got_packidx *packidx,
620 ec2b23c5 2022-07-01 thomas struct got_repository *repo)
622 ec2b23c5 2022-07-01 thomas const struct got_error *err;
623 68036464 2022-06-26 thomas char *path_packfile = NULL;
625 68036464 2022-06-26 thomas err = got_packidx_get_packfile_path(&path_packfile,
626 68036464 2022-06-26 thomas packidx->path_packidx);
628 68036464 2022-06-26 thomas return err;
630 68036464 2022-06-26 thomas *pack = got_repo_get_cached_pack(repo, path_packfile);
631 68036464 2022-06-26 thomas if (*pack == NULL) {
632 68036464 2022-06-26 thomas err = got_repo_cache_pack(pack, repo, path_packfile, packidx);
634 68036464 2022-06-26 thomas goto done;
636 68036464 2022-06-26 thomas if ((*pack)->privsep_child == NULL) {
637 68036464 2022-06-26 thomas err = got_pack_start_privsep_child(*pack, packidx);
639 68036464 2022-06-26 thomas goto done;
642 ec2b23c5 2022-07-01 thomas free(path_packfile);
643 ec2b23c5 2022-07-01 thomas return err;
646 ec2b23c5 2022-07-01 thomas static const struct got_error *
647 ec2b23c5 2022-07-01 thomas prepare_delta_reuse(struct got_pack *pack, struct got_packidx *packidx,
648 ec2b23c5 2022-07-01 thomas int delta_outfd, struct got_repository *repo)
650 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
652 ec2b23c5 2022-07-01 thomas if (!pack->child_has_delta_outfd) {
653 68036464 2022-06-26 thomas int outfd_child;
654 68036464 2022-06-26 thomas outfd_child = dup(delta_outfd);
655 68036464 2022-06-26 thomas if (outfd_child == -1) {
656 68036464 2022-06-26 thomas err = got_error_from_errno("dup");
657 68036464 2022-06-26 thomas goto done;
659 68036464 2022-06-26 thomas err = got_privsep_send_raw_delta_outfd(
660 ec2b23c5 2022-07-01 thomas pack->privsep_child->ibuf, outfd_child);
662 68036464 2022-06-26 thomas goto done;
663 ec2b23c5 2022-07-01 thomas pack->child_has_delta_outfd = 1;
666 ec2b23c5 2022-07-01 thomas err = got_privsep_send_delta_reuse_req(pack->privsep_child->ibuf);
668 68036464 2022-06-26 thomas return err;
672 f9c2e8e5 2022-02-13 thomas static const struct got_error *
673 f9c2e8e5 2022-02-13 thomas search_deltas(struct got_pack_metavec *v, struct got_object_idset *idset,
674 85220b0e 2022-03-22 thomas int delta_cache_fd, int ncolored, int nfound, int ntrees, int ncommits,
675 85220b0e 2022-03-22 thomas struct got_repository *repo,
676 f9c2e8e5 2022-02-13 thomas got_pack_progress_cb progress_cb, void *progress_arg,
677 f9c2e8e5 2022-02-13 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
679 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
680 f9c2e8e5 2022-02-13 thomas struct got_packidx *packidx;
681 f9c2e8e5 2022-02-13 thomas struct got_pack *pack;
682 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta deltas[GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS];
683 7d0d4920 2022-05-12 thomas size_t ndeltas, i;
685 f9c2e8e5 2022-02-13 thomas err = find_pack_for_reuse(&packidx, repo);
687 f9c2e8e5 2022-02-13 thomas return err;
689 f9c2e8e5 2022-02-13 thomas if (packidx == NULL)
690 f9c2e8e5 2022-02-13 thomas return NULL;
692 ec2b23c5 2022-07-01 thomas err = cache_pack_for_packidx(&pack, packidx, repo);
694 f9c2e8e5 2022-02-13 thomas return err;
696 ec2b23c5 2022-07-01 thomas err = prepare_delta_reuse(pack, packidx, delta_cache_fd, repo);
698 7d0d4920 2022-05-12 thomas return err;
700 ec2b23c5 2022-07-01 thomas err = send_idset(pack->privsep_child->ibuf, idset);
702 7d0d4920 2022-05-12 thomas return err;
704 7d0d4920 2022-05-12 thomas for (;;) {
705 7d0d4920 2022-05-12 thomas int done = 0;
707 7d0d4920 2022-05-12 thomas if (cancel_cb) {
708 7d0d4920 2022-05-12 thomas err = (*cancel_cb)(cancel_arg);
713 7d0d4920 2022-05-12 thomas err = got_privsep_recv_reused_deltas(&done, deltas, &ndeltas,
714 7d0d4920 2022-05-12 thomas pack->privsep_child->ibuf);
715 7d0d4920 2022-05-12 thomas if (err || done)
718 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
719 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
720 7d0d4920 2022-05-12 thomas err = recv_reused_delta(delta, idset, v);
722 7d0d4920 2022-05-12 thomas goto done;
725 7d0d4920 2022-05-12 thomas err = report_progress(progress_cb, progress_arg, rl,
726 7d0d4920 2022-05-12 thomas ncolored, nfound, ntrees, 0L, ncommits,
727 7d0d4920 2022-05-12 thomas got_object_idset_num_elements(idset), v->nmeta, 0);
732 f9c2e8e5 2022-02-13 thomas return err;
735 f9c2e8e5 2022-02-13 thomas static const struct got_error *
736 85220b0e 2022-03-22 thomas pick_deltas(struct got_pack_meta **meta, int nmeta, int ncolored,
737 85220b0e 2022-03-22 thomas int nfound, int ntrees, int ncommits, int nreused, FILE *delta_cache,
738 85220b0e 2022-03-22 thomas struct got_repository *repo,
739 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
740 31ba2236 2022-01-05 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
742 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
743 e6bcace5 2021-06-22 stsp struct got_pack_meta *m = NULL, *base = NULL;
744 e6bcace5 2021-06-22 stsp struct got_raw_object *raw = NULL, *base_raw = NULL;
745 b79280dd 2021-10-15 thomas struct got_delta_instruction *deltas = NULL, *best_deltas = NULL;
746 3b6ceab7 2022-01-10 thomas int i, j, ndeltas, best_ndeltas;
747 3b6ceab7 2022-01-10 thomas off_t size, best_size;
748 959daf23 2021-10-29 thomas const int max_base_candidates = 3;
749 510885f7 2022-01-10 thomas size_t delta_memsize = 0;
750 1569c56d 2022-05-31 thomas const size_t max_delta_memsize = 4 * GOT_DELTA_RESULT_SIZE_CACHED_MAX;
751 ecf9545f 2021-10-15 thomas int outfd = -1;
752 cc524d36 2022-05-31 thomas uint32_t delta_seed;
754 cc524d36 2022-05-31 thomas delta_seed = arc4random();
756 e6bcace5 2021-06-22 stsp qsort(meta, nmeta, sizeof(struct got_pack_meta *), delta_order_cmp);
757 e6bcace5 2021-06-22 stsp for (i = 0; i < nmeta; i++) {
758 e6bcace5 2021-06-22 stsp if (cancel_cb) {
759 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
763 31ba2236 2022-01-05 thomas err = report_progress(progress_cb, progress_arg, rl,
764 85220b0e 2022-03-22 thomas ncolored, nfound, ntrees, 0L, ncommits, nreused + nmeta,
765 85220b0e 2022-03-22 thomas nreused + i, 0);
767 31ba2236 2022-01-05 thomas goto done;
768 e6bcace5 2021-06-22 stsp m = meta[i];
770 e6bcace5 2021-06-22 stsp if (m->obj_type == GOT_OBJ_TYPE_COMMIT ||
771 e6bcace5 2021-06-22 stsp m->obj_type == GOT_OBJ_TYPE_TAG)
774 f8bb1d3e 2021-10-17 thomas err = got_object_raw_open(&raw, &outfd, repo, &m->id);
777 ab6186ae 2021-10-15 thomas m->size = raw->size;
779 2b0ae357 2022-01-10 thomas if (raw->f == NULL) {
780 2b0ae357 2022-01-10 thomas err = got_deltify_init_mem(&m->dtab, raw->data,
781 cc524d36 2022-05-31 thomas raw->hdrlen, raw->size + raw->hdrlen, delta_seed);
783 2b0ae357 2022-01-10 thomas err = got_deltify_init(&m->dtab, raw->f, raw->hdrlen,
784 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed);
789 e6bcace5 2021-06-22 stsp if (i > max_base_candidates) {
790 e6bcace5 2021-06-22 stsp struct got_pack_meta *n = NULL;
791 e6bcace5 2021-06-22 stsp n = meta[i - (max_base_candidates + 1)];
792 e6bcace5 2021-06-22 stsp got_deltify_free(n->dtab);
793 e6bcace5 2021-06-22 stsp n->dtab = NULL;
796 b79280dd 2021-10-15 thomas best_size = raw->size;
797 b79280dd 2021-10-15 thomas best_ndeltas = 0;
798 e6bcace5 2021-06-22 stsp for (j = MAX(0, i - max_base_candidates); j < i; j++) {
799 e6bcace5 2021-06-22 stsp if (cancel_cb) {
800 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
804 e6bcace5 2021-06-22 stsp base = meta[j];
805 e6bcace5 2021-06-22 stsp /* long chains make unpacking slow, avoid such bases */
806 62a05ae9 2021-10-29 thomas if (base->nchain >= 128 ||
807 e6bcace5 2021-06-22 stsp base->obj_type != m->obj_type)
810 8ab9215c 2021-10-15 thomas err = got_object_raw_open(&base_raw, &outfd, repo,
811 f8bb1d3e 2021-10-17 thomas &base->id);
815 2b0ae357 2022-01-10 thomas if (raw->f == NULL && base_raw->f == NULL) {
816 2b0ae357 2022-01-10 thomas err = got_deltify_mem_mem(&deltas, &ndeltas,
817 2b0ae357 2022-01-10 thomas raw->data, raw->hdrlen,
818 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
819 2b0ae357 2022-01-10 thomas base->dtab, base_raw->data,
820 2b0ae357 2022-01-10 thomas base_raw->hdrlen,
821 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
822 2b0ae357 2022-01-10 thomas } else if (raw->f == NULL) {
823 2b0ae357 2022-01-10 thomas err = got_deltify_mem_file(&deltas, &ndeltas,
824 2b0ae357 2022-01-10 thomas raw->data, raw->hdrlen,
825 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
826 2b0ae357 2022-01-10 thomas base->dtab, base_raw->f,
827 2b0ae357 2022-01-10 thomas base_raw->hdrlen,
828 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
829 2b0ae357 2022-01-10 thomas } else if (base_raw->f == NULL) {
830 2b0ae357 2022-01-10 thomas err = got_deltify_file_mem(&deltas, &ndeltas,
831 2b0ae357 2022-01-10 thomas raw->f, raw->hdrlen,
832 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
833 2b0ae357 2022-01-10 thomas base->dtab, base_raw->data,
834 2b0ae357 2022-01-10 thomas base_raw->hdrlen,
835 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
837 2b0ae357 2022-01-10 thomas err = got_deltify(&deltas, &ndeltas,
838 2b0ae357 2022-01-10 thomas raw->f, raw->hdrlen,
839 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
840 2b0ae357 2022-01-10 thomas base->dtab, base_raw->f, base_raw->hdrlen,
841 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
843 e6bcace5 2021-06-22 stsp got_object_raw_close(base_raw);
844 e6bcace5 2021-06-22 stsp base_raw = NULL;
848 e6bcace5 2021-06-22 stsp size = delta_size(deltas, ndeltas);
849 b79280dd 2021-10-15 thomas if (size + 32 < best_size){
851 e6bcace5 2021-06-22 stsp * if we already picked a best delta,
852 e6bcace5 2021-06-22 stsp * replace it.
854 b79280dd 2021-10-15 thomas best_size = size;
855 b79280dd 2021-10-15 thomas free(best_deltas);
856 b79280dd 2021-10-15 thomas best_deltas = deltas;
857 b79280dd 2021-10-15 thomas best_ndeltas = ndeltas;
858 b79280dd 2021-10-15 thomas deltas = NULL;
859 e6bcace5 2021-06-22 stsp m->nchain = base->nchain + 1;
860 e6bcace5 2021-06-22 stsp m->prev = base;
861 e6bcace5 2021-06-22 stsp m->head = base->head;
862 e6bcace5 2021-06-22 stsp if (m->head == NULL)
863 e6bcace5 2021-06-22 stsp m->head = base;
865 e6bcace5 2021-06-22 stsp free(deltas);
866 e6bcace5 2021-06-22 stsp deltas = NULL;
867 e6bcace5 2021-06-22 stsp ndeltas = 0;
871 b79280dd 2021-10-15 thomas if (best_ndeltas > 0) {
872 510885f7 2022-01-10 thomas if (best_size <= GOT_DELTA_RESULT_SIZE_CACHED_MAX &&
873 510885f7 2022-01-10 thomas delta_memsize + best_size <= max_delta_memsize) {
874 510885f7 2022-01-10 thomas delta_memsize += best_size;
875 3b6ceab7 2022-01-10 thomas err = encode_delta_in_mem(m, raw, best_deltas,
876 3b6ceab7 2022-01-10 thomas best_ndeltas, best_size, m->prev->size);
878 3b6ceab7 2022-01-10 thomas m->delta_offset = ftello(delta_cache);
879 3b6ceab7 2022-01-10 thomas err = encode_delta(m, raw, best_deltas,
880 3b6ceab7 2022-01-10 thomas best_ndeltas, m->prev->size, delta_cache);
882 b79280dd 2021-10-15 thomas free(best_deltas);
883 b79280dd 2021-10-15 thomas best_deltas = NULL;
884 b79280dd 2021-10-15 thomas best_ndeltas = 0;
886 b79280dd 2021-10-15 thomas goto done;
889 e6bcace5 2021-06-22 stsp got_object_raw_close(raw);
890 e6bcace5 2021-06-22 stsp raw = NULL;
893 e6bcace5 2021-06-22 stsp for (i = MAX(0, nmeta - max_base_candidates); i < nmeta; i++) {
894 e6bcace5 2021-06-22 stsp got_deltify_free(meta[i]->dtab);
895 e6bcace5 2021-06-22 stsp meta[i]->dtab = NULL;
898 e6bcace5 2021-06-22 stsp got_object_raw_close(raw);
899 e6bcace5 2021-06-22 stsp if (base_raw)
900 e6bcace5 2021-06-22 stsp got_object_raw_close(base_raw);
901 ecf9545f 2021-10-15 thomas if (outfd != -1 && close(outfd) == -1 && err == NULL)
902 ecf9545f 2021-10-15 thomas err = got_error_from_errno("close");
903 b79280dd 2021-10-15 thomas free(deltas);
904 b79280dd 2021-10-15 thomas free(best_deltas);
905 e6bcace5 2021-06-22 stsp return err;
908 e6bcace5 2021-06-22 stsp static const struct got_error *
909 05118f5a 2021-06-22 stsp search_packidx(int *found, struct got_object_id *id,
910 05118f5a 2021-06-22 stsp struct got_repository *repo)
912 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
913 05118f5a 2021-06-22 stsp struct got_packidx *packidx = NULL;
916 05118f5a 2021-06-22 stsp *found = 0;
918 05118f5a 2021-06-22 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
919 05118f5a 2021-06-22 stsp if (err == NULL)
920 05118f5a 2021-06-22 stsp *found = 1; /* object is already packed */
921 05118f5a 2021-06-22 stsp else if (err->code == GOT_ERR_NO_OBJ)
922 05118f5a 2021-06-22 stsp err = NULL;
923 05118f5a 2021-06-22 stsp return err;
926 05118f5a 2021-06-22 stsp static const struct got_error *
927 f9c2e8e5 2022-02-13 thomas add_object(int want_meta, struct got_object_idset *idset,
928 e6bcace5 2021-06-22 stsp struct got_object_id *id, const char *path, int obj_type,
929 cc524d36 2022-05-31 thomas time_t mtime, uint32_t seed, int loose_obj_only,
930 cc524d36 2022-05-31 thomas struct got_repository *repo, int *ncolored, int *nfound, int *ntrees,
931 78a00876 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
932 78a00876 2022-03-22 thomas struct got_ratelimit *rl)
934 e6bcace5 2021-06-22 stsp const struct got_error *err;
935 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m = NULL;
937 05118f5a 2021-06-22 stsp if (loose_obj_only) {
938 05118f5a 2021-06-22 stsp int is_packed;
939 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
941 05118f5a 2021-06-22 stsp return err;
942 a605f678 2022-03-22 thomas if (is_packed && want_meta)
943 05118f5a 2021-06-22 stsp return NULL;
946 f9c2e8e5 2022-02-13 thomas if (want_meta) {
947 cc524d36 2022-05-31 thomas err = alloc_meta(&m, id, path, obj_type, mtime, seed);
949 78a00876 2022-03-22 thomas return err;
951 78a00876 2022-03-22 thomas (*nfound)++;
952 78a00876 2022-03-22 thomas err = report_progress(progress_cb, progress_arg, rl,
953 78a00876 2022-03-22 thomas *ncolored, *nfound, *ntrees, 0L, 0, 0, 0, 0);
954 ee7b409c 2022-04-16 thomas if (err) {
955 ee7b409c 2022-04-16 thomas clear_meta(m);
957 f9c2e8e5 2022-02-13 thomas return err;
961 ee7b409c 2022-04-16 thomas err = got_object_idset_add(idset, id, m);
962 ee7b409c 2022-04-16 thomas if (err) {
963 ee7b409c 2022-04-16 thomas clear_meta(m);
966 ee7b409c 2022-04-16 thomas return err;
969 e6bcace5 2021-06-22 stsp static const struct got_error *
970 f9c2e8e5 2022-02-13 thomas load_tree_entries(struct got_object_id_queue *ids, int want_meta,
971 7afbdbad 2022-05-12 thomas struct got_object_idset *idset, struct got_object_idset *idset_exclude,
972 63915ee5 2022-06-23 thomas struct got_tree_object *tree,
973 cc524d36 2022-05-31 thomas const char *dpath, time_t mtime, uint32_t seed, struct got_repository *repo,
974 85220b0e 2022-03-22 thomas int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
975 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
976 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
978 e6bcace5 2021-06-22 stsp const struct got_error *err;
979 e6bcace5 2021-06-22 stsp char *p = NULL;
982 85220b0e 2022-03-22 thomas (*ntrees)++;
983 85220b0e 2022-03-22 thomas err = report_progress(progress_cb, progress_arg, rl,
984 85220b0e 2022-03-22 thomas *ncolored, *nfound, *ntrees, 0L, 0, 0, 0, 0);
986 e6bcace5 2021-06-22 stsp return err;
988 e6bcace5 2021-06-22 stsp for (i = 0; i < got_object_tree_get_nentries(tree); i++) {
989 e6bcace5 2021-06-22 stsp struct got_tree_entry *e = got_object_tree_get_entry(tree, i);
990 e6bcace5 2021-06-22 stsp struct got_object_id *id = got_tree_entry_get_id(e);
991 e6bcace5 2021-06-22 stsp mode_t mode = got_tree_entry_get_mode(e);
993 e6bcace5 2021-06-22 stsp if (cancel_cb) {
994 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
999 08511b5e 2021-09-24 thomas if (got_object_tree_entry_is_submodule(e) ||
1000 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset, id) ||
1001 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, id))
1002 13280750 2022-06-13 thomas continue;
1005 63915ee5 2022-06-23 thomas * If got-read-pack is crawling trees for us then
1006 63915ee5 2022-06-23 thomas * we are only here to collect blob IDs.
1008 63915ee5 2022-06-23 thomas if (ids == NULL && S_ISDIR(mode))
1009 63915ee5 2022-06-23 thomas continue;
1011 63915ee5 2022-06-23 thomas if (asprintf(&p, "%s%s%s", dpath,
1012 63915ee5 2022-06-23 thomas got_path_is_root_dir(dpath) ? "" : "/",
1013 e6bcace5 2021-06-22 stsp got_tree_entry_get_name(e)) == -1) {
1014 e6bcace5 2021-06-22 stsp err = got_error_from_errno("asprintf");
1018 e6bcace5 2021-06-22 stsp if (S_ISDIR(mode)) {
1019 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1020 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, id);
1023 eee114b4 2022-05-31 thomas qid->data = p;
1024 eee114b4 2022-05-31 thomas p = NULL;
1025 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(ids, qid, entry);
1026 08511b5e 2021-09-24 thomas } else if (S_ISREG(mode) || S_ISLNK(mode)) {
1027 7afbdbad 2022-05-12 thomas err = add_object(want_meta,
1028 7afbdbad 2022-05-12 thomas want_meta ? idset : idset_exclude, id, p,
1029 cc524d36 2022-05-31 thomas GOT_OBJ_TYPE_BLOB, mtime, seed, loose_obj_only,
1030 cc524d36 2022-05-31 thomas repo, ncolored, nfound, ntrees,
1031 78a00876 2022-03-22 thomas progress_cb, progress_arg, rl);
1032 85220b0e 2022-03-22 thomas if (err)
1034 eee114b4 2022-05-31 thomas free(p);
1035 eee114b4 2022-05-31 thomas p = NULL;
1036 eee114b4 2022-05-31 thomas } else {
1037 eee114b4 2022-05-31 thomas free(p);
1038 eee114b4 2022-05-31 thomas p = NULL;
1043 e6bcace5 2021-06-22 stsp return err;
1046 e6bcace5 2021-06-22 stsp static const struct got_error *
1047 f9c2e8e5 2022-02-13 thomas load_tree(int want_meta, struct got_object_idset *idset,
1048 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude,
1049 e6bcace5 2021-06-22 stsp struct got_object_id *tree_id, const char *dpath, time_t mtime,
1050 cc524d36 2022-05-31 thomas uint32_t seed, struct got_repository *repo, int loose_obj_only,
1051 85220b0e 2022-03-22 thomas int *ncolored, int *nfound, int *ntrees,
1052 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1053 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1055 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1056 e6bcace5 2021-06-22 stsp struct got_object_id_queue tree_ids;
1057 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1058 63915ee5 2022-06-23 thomas struct got_tree_object *tree = NULL;
1060 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, tree_id) ||
1061 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, tree_id))
1062 e6bcace5 2021-06-22 stsp return NULL;
1064 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, tree_id);
1066 eee114b4 2022-05-31 thomas return err;
1067 eee114b4 2022-05-31 thomas qid->data = strdup(dpath);
1068 eee114b4 2022-05-31 thomas if (qid->data == NULL) {
1069 eee114b4 2022-05-31 thomas err = got_error_from_errno("strdup");
1070 eee114b4 2022-05-31 thomas got_object_qid_free(qid);
1071 e6bcace5 2021-06-22 stsp return err;
1074 dbdddfee 2021-06-23 naddy STAILQ_INIT(&tree_ids);
1075 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&tree_ids, qid, entry);
1077 dbdddfee 2021-06-23 naddy while (!STAILQ_EMPTY(&tree_ids)) {
1078 eee114b4 2022-05-31 thomas const char *path;
1079 e6bcace5 2021-06-22 stsp if (cancel_cb) {
1080 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
1085 dbdddfee 2021-06-23 naddy qid = STAILQ_FIRST(&tree_ids);
1086 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(&tree_ids, entry);
1087 eee114b4 2022-05-31 thomas path = qid->data;
1089 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, &qid->id) ||
1090 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, &qid->id)) {
1091 eee114b4 2022-05-31 thomas free(qid->data);
1092 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1096 7afbdbad 2022-05-12 thomas err = add_object(want_meta, want_meta ? idset : idset_exclude,
1097 eee114b4 2022-05-31 thomas &qid->id, path, GOT_OBJ_TYPE_TREE,
1098 cc524d36 2022-05-31 thomas mtime, seed, loose_obj_only, repo,
1099 78a00876 2022-03-22 thomas ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1100 e6bcace5 2021-06-22 stsp if (err) {
1101 eee114b4 2022-05-31 thomas free(qid->data);
1102 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1106 63915ee5 2022-06-23 thomas err = got_object_open_as_tree(&tree, repo, &qid->id);
1107 63915ee5 2022-06-23 thomas if (err) {
1108 63915ee5 2022-06-23 thomas free(qid->data);
1109 63915ee5 2022-06-23 thomas got_object_qid_free(qid);
1113 7afbdbad 2022-05-12 thomas err = load_tree_entries(&tree_ids, want_meta, idset,
1114 63915ee5 2022-06-23 thomas idset_exclude, tree, path, mtime, seed, repo,
1115 63915ee5 2022-06-23 thomas loose_obj_only, ncolored, nfound, ntrees,
1116 63915ee5 2022-06-23 thomas progress_cb, progress_arg, rl,
1117 85220b0e 2022-03-22 thomas cancel_cb, cancel_arg);
1118 eee114b4 2022-05-31 thomas free(qid->data);
1119 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1123 63915ee5 2022-06-23 thomas got_object_tree_close(tree);
1124 63915ee5 2022-06-23 thomas tree = NULL;
1127 eee114b4 2022-05-31 thomas STAILQ_FOREACH(qid, &tree_ids, entry)
1128 eee114b4 2022-05-31 thomas free(qid->data);
1129 e6bcace5 2021-06-22 stsp got_object_id_queue_free(&tree_ids);
1130 63915ee5 2022-06-23 thomas if (tree)
1131 63915ee5 2022-06-23 thomas got_object_tree_close(tree);
1132 e6bcace5 2021-06-22 stsp return err;
1135 e6bcace5 2021-06-22 stsp static const struct got_error *
1136 f9c2e8e5 2022-02-13 thomas load_commit(int want_meta, struct got_object_idset *idset,
1137 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude,
1138 cc524d36 2022-05-31 thomas struct got_object_id *id, struct got_repository *repo, uint32_t seed,
1139 cc524d36 2022-05-31 thomas int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
1140 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1141 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1143 e6bcace5 2021-06-22 stsp const struct got_error *err;
1144 e6bcace5 2021-06-22 stsp struct got_commit_object *commit;
1146 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, id) ||
1147 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, id))
1148 e6bcace5 2021-06-22 stsp return NULL;
1150 05118f5a 2021-06-22 stsp if (loose_obj_only) {
1151 05118f5a 2021-06-22 stsp int is_packed;
1152 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
1154 05118f5a 2021-06-22 stsp return err;
1155 a605f678 2022-03-22 thomas if (is_packed && want_meta)
1156 05118f5a 2021-06-22 stsp return NULL;
1159 e6bcace5 2021-06-22 stsp err = got_object_open_as_commit(&commit, repo, id);
1161 e6bcace5 2021-06-22 stsp return err;
1163 7afbdbad 2022-05-12 thomas err = add_object(want_meta, want_meta ? idset : idset_exclude,
1164 7afbdbad 2022-05-12 thomas id, "", GOT_OBJ_TYPE_COMMIT,
1165 cc524d36 2022-05-31 thomas got_object_commit_get_committer_time(commit), seed,
1166 78a00876 2022-03-22 thomas loose_obj_only, repo,
1167 78a00876 2022-03-22 thomas ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1169 e6bcace5 2021-06-22 stsp goto done;
1171 7afbdbad 2022-05-12 thomas err = load_tree(want_meta, idset, idset_exclude,
1172 7afbdbad 2022-05-12 thomas got_object_commit_get_tree_id(commit),
1173 cc524d36 2022-05-31 thomas "", got_object_commit_get_committer_time(commit), seed,
1174 85220b0e 2022-03-22 thomas repo, loose_obj_only, ncolored, nfound, ntrees,
1175 85220b0e 2022-03-22 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1177 e6bcace5 2021-06-22 stsp got_object_commit_close(commit);
1178 e6bcace5 2021-06-22 stsp return err;
1181 05118f5a 2021-06-22 stsp static const struct got_error *
1182 f9c2e8e5 2022-02-13 thomas load_tag(int want_meta, struct got_object_idset *idset,
1183 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude,
1184 cc524d36 2022-05-31 thomas struct got_object_id *id, struct got_repository *repo, uint32_t seed,
1185 cc524d36 2022-05-31 thomas int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
1186 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1187 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1189 05118f5a 2021-06-22 stsp const struct got_error *err;
1190 05118f5a 2021-06-22 stsp struct got_tag_object *tag = NULL;
1192 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, id) ||
1193 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, id))
1194 05118f5a 2021-06-22 stsp return NULL;
1196 05118f5a 2021-06-22 stsp if (loose_obj_only) {
1197 05118f5a 2021-06-22 stsp int is_packed;
1198 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
1200 05118f5a 2021-06-22 stsp return err;
1201 a605f678 2022-03-22 thomas if (is_packed && want_meta)
1202 05118f5a 2021-06-22 stsp return NULL;
1205 05118f5a 2021-06-22 stsp err = got_object_open_as_tag(&tag, repo, id);
1207 05118f5a 2021-06-22 stsp return err;
1209 7afbdbad 2022-05-12 thomas err = add_object(want_meta, want_meta ? idset : idset_exclude,
1210 7afbdbad 2022-05-12 thomas id, "", GOT_OBJ_TYPE_TAG,
1211 cc524d36 2022-05-31 thomas got_object_tag_get_tagger_time(tag), seed, loose_obj_only, repo,
1212 78a00876 2022-03-22 thomas ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1214 05118f5a 2021-06-22 stsp goto done;
1216 05118f5a 2021-06-22 stsp switch (got_object_tag_get_object_type(tag)) {
1217 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_COMMIT:
1218 7afbdbad 2022-05-12 thomas err = load_commit(want_meta, idset, idset_exclude,
1219 cc524d36 2022-05-31 thomas got_object_tag_get_object_id(tag), repo, seed,
1220 cc524d36 2022-05-31 thomas loose_obj_only, ncolored, nfound, ntrees,
1221 cc524d36 2022-05-31 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1223 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_TREE:
1224 7afbdbad 2022-05-12 thomas err = load_tree(want_meta, idset, idset_exclude,
1225 f9c2e8e5 2022-02-13 thomas got_object_tag_get_object_id(tag), "",
1226 cc524d36 2022-05-31 thomas got_object_tag_get_tagger_time(tag), seed, repo,
1227 cc524d36 2022-05-31 thomas loose_obj_only, ncolored, nfound, ntrees,
1228 cc524d36 2022-05-31 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1235 05118f5a 2021-06-22 stsp got_object_tag_close(tag);
1236 05118f5a 2021-06-22 stsp return err;
1239 e6bcace5 2021-06-22 stsp enum findtwixt_color {
1240 e6bcace5 2021-06-22 stsp COLOR_KEEP = 0,
1241 e6bcace5 2021-06-22 stsp COLOR_DROP,
1242 5fe7b5c1 2022-04-16 thomas COLOR_SKIP,
1243 ec2b23c5 2022-07-01 thomas COLOR_MAX,
1246 e6bcace5 2021-06-22 stsp static const struct got_error *
1247 ec2b23c5 2022-07-01 thomas paint_commit(struct got_object_qid *qid, intptr_t color)
1249 ec2b23c5 2022-07-01 thomas if (color < 0 || color >= COLOR_MAX)
1250 5fe7b5c1 2022-04-16 thomas return got_error(GOT_ERR_RANGE);
1252 ec2b23c5 2022-07-01 thomas qid->data = (void *)color;
1253 e6bcace5 2021-06-22 stsp return NULL;
1256 e6bcace5 2021-06-22 stsp static const struct got_error *
1257 5fe7b5c1 2022-04-16 thomas queue_commit_id(struct got_object_id_queue *ids, struct got_object_id *id,
1258 ec2b23c5 2022-07-01 thomas intptr_t color, struct got_repository *repo)
1260 5fe7b5c1 2022-04-16 thomas const struct got_error *err;
1261 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1263 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, id);
1265 e6bcace5 2021-06-22 stsp return err;
1267 5fe7b5c1 2022-04-16 thomas STAILQ_INSERT_TAIL(ids, qid, entry);
1268 5fe7b5c1 2022-04-16 thomas return paint_commit(qid, color);
1271 e6bcace5 2021-06-22 stsp struct append_id_arg {
1272 e6bcace5 2021-06-22 stsp struct got_object_id **array;
1274 5fe7b5c1 2022-04-16 thomas struct got_object_idset *drop;
1275 5fe7b5c1 2022-04-16 thomas struct got_object_idset *skip;
1278 e6bcace5 2021-06-22 stsp static const struct got_error *
1279 e6bcace5 2021-06-22 stsp append_id(struct got_object_id *id, void *data, void *arg)
1281 e6bcace5 2021-06-22 stsp struct append_id_arg *a = arg;
1283 5fe7b5c1 2022-04-16 thomas if (got_object_idset_contains(a->skip, id) ||
1284 5fe7b5c1 2022-04-16 thomas got_object_idset_contains(a->drop, id))
1285 5fe7b5c1 2022-04-16 thomas return NULL;
1287 5fe7b5c1 2022-04-16 thomas a->array[++a->idx] = got_object_id_dup(id);
1288 e6bcace5 2021-06-22 stsp if (a->array[a->idx] == NULL)
1289 e6bcace5 2021-06-22 stsp return got_error_from_errno("got_object_id_dup");
1291 e6bcace5 2021-06-22 stsp return NULL;
1294 a3a0e34e 2022-04-16 thomas static const struct got_error *
1295 ec2b23c5 2022-07-01 thomas queue_commit_or_tag_id(struct got_object_id *id, intptr_t color,
1296 a3a0e34e 2022-04-16 thomas struct got_object_id_queue *ids, struct got_repository *repo)
1298 a3a0e34e 2022-04-16 thomas const struct got_error *err;
1299 a3a0e34e 2022-04-16 thomas struct got_tag_object *tag = NULL;
1300 a3a0e34e 2022-04-16 thomas int obj_type;
1302 a3a0e34e 2022-04-16 thomas err = got_object_get_type(&obj_type, repo, id);
1303 a3a0e34e 2022-04-16 thomas if (err)
1304 a3a0e34e 2022-04-16 thomas return err;
1306 a3a0e34e 2022-04-16 thomas if (obj_type == GOT_OBJ_TYPE_TAG) {
1307 a3a0e34e 2022-04-16 thomas err = got_object_open_as_tag(&tag, repo, id);
1308 a3a0e34e 2022-04-16 thomas if (err)
1309 a3a0e34e 2022-04-16 thomas return err;
1310 a3a0e34e 2022-04-16 thomas obj_type = got_object_tag_get_object_type(tag);
1311 a3a0e34e 2022-04-16 thomas id = got_object_tag_get_object_id(tag);
1314 a3a0e34e 2022-04-16 thomas if (obj_type == GOT_OBJ_TYPE_COMMIT) {
1315 a3a0e34e 2022-04-16 thomas err = queue_commit_id(ids, id, color, repo);
1316 a3a0e34e 2022-04-16 thomas if (err)
1317 a3a0e34e 2022-04-16 thomas goto done;
1320 a3a0e34e 2022-04-16 thomas if (tag)
1321 a3a0e34e 2022-04-16 thomas got_object_tag_close(tag);
1322 a3a0e34e 2022-04-16 thomas return err;
1325 ec2b23c5 2022-07-01 thomas struct recv_painted_commit_arg {
1326 ec2b23c5 2022-07-01 thomas int *ncolored;
1327 ec2b23c5 2022-07-01 thomas int *nqueued;
1328 ec2b23c5 2022-07-01 thomas int *nskip;
1329 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids;
1330 ec2b23c5 2022-07-01 thomas struct got_object_idset *keep;
1331 ec2b23c5 2022-07-01 thomas struct got_object_idset *drop;
1332 ec2b23c5 2022-07-01 thomas struct got_object_idset *skip;
1333 ec2b23c5 2022-07-01 thomas got_pack_progress_cb progress_cb;
1334 ec2b23c5 2022-07-01 thomas void *progress_arg;
1335 ec2b23c5 2022-07-01 thomas struct got_ratelimit *rl;
1336 ec2b23c5 2022-07-01 thomas got_cancel_cb cancel_cb;
1337 ec2b23c5 2022-07-01 thomas void *cancel_arg;
1340 e6bcace5 2021-06-22 stsp static const struct got_error *
1341 ec2b23c5 2022-07-01 thomas recv_painted_commit(void *arg, struct got_object_id *id, intptr_t color)
1343 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
1344 ec2b23c5 2022-07-01 thomas struct recv_painted_commit_arg *a = arg;
1345 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid, *tmp;
1347 ec2b23c5 2022-07-01 thomas if (a->cancel_cb) {
1348 ec2b23c5 2022-07-01 thomas err = a->cancel_cb(a->cancel_arg);
1349 ec2b23c5 2022-07-01 thomas if (err)
1350 ec2b23c5 2022-07-01 thomas return err;
1353 ec2b23c5 2022-07-01 thomas switch (color) {
1354 ec2b23c5 2022-07-01 thomas case COLOR_KEEP:
1355 ec2b23c5 2022-07-01 thomas err = got_object_idset_add(a->keep, id, NULL);
1356 ec2b23c5 2022-07-01 thomas if (err)
1357 ec2b23c5 2022-07-01 thomas return err;
1358 ec2b23c5 2022-07-01 thomas (*a->ncolored)++;
1360 ec2b23c5 2022-07-01 thomas case COLOR_DROP:
1361 ec2b23c5 2022-07-01 thomas err = got_object_idset_add(a->drop, id, NULL);
1362 ec2b23c5 2022-07-01 thomas if (err)
1363 ec2b23c5 2022-07-01 thomas return err;
1364 ec2b23c5 2022-07-01 thomas (*a->ncolored)++;
1366 ec2b23c5 2022-07-01 thomas case COLOR_SKIP:
1367 ec2b23c5 2022-07-01 thomas err = got_object_idset_add(a->skip, id, NULL);
1368 ec2b23c5 2022-07-01 thomas if (err)
1369 ec2b23c5 2022-07-01 thomas return err;
1371 ec2b23c5 2022-07-01 thomas default:
1372 ec2b23c5 2022-07-01 thomas /* should not happen */
1373 ec2b23c5 2022-07-01 thomas return got_error_fmt(GOT_ERR_NOT_IMPL,
1374 ec2b23c5 2022-07-01 thomas "%s invalid commit color %d", __func__, color);
1377 ec2b23c5 2022-07-01 thomas STAILQ_FOREACH_SAFE(qid, a->ids, entry, tmp) {
1378 ec2b23c5 2022-07-01 thomas if (got_object_id_cmp(&qid->id, id) != 0)
1379 ec2b23c5 2022-07-01 thomas continue;
1380 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE(a->ids, qid, got_object_qid, entry);
1381 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
1382 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
1383 ec2b23c5 2022-07-01 thomas (*a->nqueued)--;
1384 ec2b23c5 2022-07-01 thomas if (color == COLOR_SKIP)
1385 ec2b23c5 2022-07-01 thomas (*a->nskip)--;
1389 ec2b23c5 2022-07-01 thomas return report_progress(a->progress_cb, a->progress_arg, a->rl,
1390 ec2b23c5 2022-07-01 thomas *a->ncolored, 0, 0, 0L, 0, 0, 0, 0);
1393 ec2b23c5 2022-07-01 thomas static const struct got_error *
1394 ec2b23c5 2022-07-01 thomas paint_packed_commits(struct got_pack *pack, struct got_object_id *id,
1395 ec2b23c5 2022-07-01 thomas int idx, intptr_t color, int *ncolored, int *nqueued, int *nskip,
1396 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids,
1397 ec2b23c5 2022-07-01 thomas struct got_object_idset *keep, struct got_object_idset *drop,
1398 ec2b23c5 2022-07-01 thomas struct got_object_idset *skip, struct got_repository *repo,
1399 ec2b23c5 2022-07-01 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1400 ec2b23c5 2022-07-01 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1402 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
1403 ec2b23c5 2022-07-01 thomas struct got_object_id_queue next_ids;
1404 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid, *tmp;
1405 ec2b23c5 2022-07-01 thomas struct recv_painted_commit_arg arg;
1407 ec2b23c5 2022-07-01 thomas STAILQ_INIT(&next_ids);
1409 ec2b23c5 2022-07-01 thomas err = got_privsep_send_painting_request(pack->privsep_child->ibuf,
1410 ec2b23c5 2022-07-01 thomas idx, id, color);
1411 ec2b23c5 2022-07-01 thomas if (err)
1412 ec2b23c5 2022-07-01 thomas return err;
1414 ec2b23c5 2022-07-01 thomas arg.ncolored = ncolored;
1415 ec2b23c5 2022-07-01 thomas arg.nqueued = nqueued;
1416 ec2b23c5 2022-07-01 thomas arg.nskip = nskip;
1417 ec2b23c5 2022-07-01 thomas arg.ids = ids;
1418 ec2b23c5 2022-07-01 thomas arg.keep = keep;
1419 ec2b23c5 2022-07-01 thomas arg.drop = drop;
1420 ec2b23c5 2022-07-01 thomas arg.skip = skip;
1421 ec2b23c5 2022-07-01 thomas arg.progress_cb = progress_cb;
1422 ec2b23c5 2022-07-01 thomas arg.progress_arg = progress_arg;
1423 ec2b23c5 2022-07-01 thomas arg.rl = rl;
1424 ec2b23c5 2022-07-01 thomas arg.cancel_cb = cancel_cb;
1425 ec2b23c5 2022-07-01 thomas arg.cancel_arg = cancel_arg;
1426 ec2b23c5 2022-07-01 thomas err = got_privsep_recv_painted_commits(&next_ids,
1427 ec2b23c5 2022-07-01 thomas recv_painted_commit, &arg, pack->privsep_child->ibuf);
1428 ec2b23c5 2022-07-01 thomas if (err)
1429 ec2b23c5 2022-07-01 thomas return err;
1431 ec2b23c5 2022-07-01 thomas STAILQ_FOREACH_SAFE(qid, &next_ids, entry, tmp) {
1432 ec2b23c5 2022-07-01 thomas struct got_object_qid *old_id;
1433 ec2b23c5 2022-07-01 thomas intptr_t qcolor, ocolor;
1434 ec2b23c5 2022-07-01 thomas STAILQ_FOREACH(old_id, ids, entry) {
1435 ec2b23c5 2022-07-01 thomas if (got_object_id_cmp(&qid->id, &old_id->id))
1436 ec2b23c5 2022-07-01 thomas continue;
1437 ec2b23c5 2022-07-01 thomas qcolor = (intptr_t)qid->data;
1438 ec2b23c5 2022-07-01 thomas ocolor = (intptr_t)old_id->data;
1439 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE(&next_ids, qid, got_object_qid, entry);
1440 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
1441 ec2b23c5 2022-07-01 thomas qid = NULL;
1442 ec2b23c5 2022-07-01 thomas if (qcolor != ocolor) {
1443 ec2b23c5 2022-07-01 thomas paint_commit(old_id, qcolor);
1444 ec2b23c5 2022-07-01 thomas if (ocolor == COLOR_SKIP)
1445 ec2b23c5 2022-07-01 thomas (*nskip)--;
1446 ec2b23c5 2022-07-01 thomas else if (qcolor == COLOR_SKIP)
1447 ec2b23c5 2022-07-01 thomas (*nskip)++;
1452 ec2b23c5 2022-07-01 thomas while (!STAILQ_EMPTY(&next_ids)) {
1453 ec2b23c5 2022-07-01 thomas qid = STAILQ_FIRST(&next_ids);
1454 ec2b23c5 2022-07-01 thomas STAILQ_REMOVE_HEAD(&next_ids, entry);
1455 ec2b23c5 2022-07-01 thomas paint_commit(qid, color);
1456 ec2b23c5 2022-07-01 thomas STAILQ_INSERT_TAIL(ids, qid, entry);
1457 ec2b23c5 2022-07-01 thomas (*nqueued)++;
1458 ec2b23c5 2022-07-01 thomas if (color == COLOR_SKIP)
1459 ec2b23c5 2022-07-01 thomas (*nskip)++;
1462 ec2b23c5 2022-07-01 thomas return err;
1465 ec2b23c5 2022-07-01 thomas static const struct got_error *
1466 ec2b23c5 2022-07-01 thomas find_pack_for_commit_painting(struct got_packidx **best_packidx,
1467 ec2b23c5 2022-07-01 thomas struct got_object_id_queue *ids, int nids, struct got_repository *repo)
1469 ec2b23c5 2022-07-01 thomas const struct got_error *err = NULL;
1470 ec2b23c5 2022-07-01 thomas struct got_pathlist_entry *pe;
1471 ec2b23c5 2022-07-01 thomas const char *best_packidx_path = NULL;
1472 ec2b23c5 2022-07-01 thomas int nobj_max = 0;
1473 ec2b23c5 2022-07-01 thomas int ncommits_max = 0;
1475 ec2b23c5 2022-07-01 thomas *best_packidx = NULL;
1478 ec2b23c5 2022-07-01 thomas * Find the largest pack which contains at least some of the
1479 ec2b23c5 2022-07-01 thomas * commits we are interested in.
1481 ec2b23c5 2022-07-01 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1482 ec2b23c5 2022-07-01 thomas const char *path_packidx = pe->path;
1483 ec2b23c5 2022-07-01 thomas struct got_packidx *packidx;
1484 ec2b23c5 2022-07-01 thomas int nobj, idx, ncommits = 0;
1485 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid;
1487 ec2b23c5 2022-07-01 thomas err = got_repo_get_packidx(&packidx, path_packidx, repo);
1488 ec2b23c5 2022-07-01 thomas if (err)
1491 ec2b23c5 2022-07-01 thomas nobj = be32toh(packidx->hdr.fanout_table[0xff]);
1492 ec2b23c5 2022-07-01 thomas if (nobj <= nobj_max)
1493 ec2b23c5 2022-07-01 thomas continue;
1495 ec2b23c5 2022-07-01 thomas STAILQ_FOREACH(qid, ids, entry) {
1496 ec2b23c5 2022-07-01 thomas idx = got_packidx_get_object_idx(packidx, &qid->id);
1497 ec2b23c5 2022-07-01 thomas if (idx != -1)
1498 ec2b23c5 2022-07-01 thomas ncommits++;
1500 ec2b23c5 2022-07-01 thomas if (ncommits > ncommits_max) {
1501 ec2b23c5 2022-07-01 thomas best_packidx_path = path_packidx;
1502 ec2b23c5 2022-07-01 thomas nobj_max = nobj;
1503 ec2b23c5 2022-07-01 thomas ncommits_max = ncommits;
1507 ec2b23c5 2022-07-01 thomas if (best_packidx_path && err == NULL) {
1508 ec2b23c5 2022-07-01 thomas err = got_repo_get_packidx(best_packidx, best_packidx_path,
1512 ec2b23c5 2022-07-01 thomas return err;
1515 ec2b23c5 2022-07-01 thomas static const struct got_error *
1516 5fe7b5c1 2022-04-16 thomas paint_commits(int *ncolored, struct got_object_id_queue *ids, int nids,
1517 e9371be6 2022-04-16 thomas struct got_object_idset *keep, struct got_object_idset *drop,
1518 5fe7b5c1 2022-04-16 thomas struct got_object_idset *skip, struct got_repository *repo,
1519 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1520 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1522 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1523 e9371be6 2022-04-16 thomas struct got_commit_object *commit = NULL;
1524 ec2b23c5 2022-07-01 thomas struct got_packidx *packidx = NULL;
1525 ec2b23c5 2022-07-01 thomas struct got_pack *pack = NULL;
1526 5fe7b5c1 2022-04-16 thomas const struct got_object_id_queue *parents;
1527 ec2b23c5 2022-07-01 thomas struct got_object_qid *qid = NULL;
1528 5fe7b5c1 2022-04-16 thomas int nqueued = nids, nskip = 0;
1529 ec2b23c5 2022-07-01 thomas int idx;
1531 5fe7b5c1 2022-04-16 thomas while (!STAILQ_EMPTY(ids) && nskip != nqueued) {
1532 ec2b23c5 2022-07-01 thomas intptr_t color;
1534 21a0da85 2022-04-16 thomas if (cancel_cb) {
1535 21a0da85 2022-04-16 thomas err = cancel_cb(cancel_arg);
1536 21a0da85 2022-04-16 thomas if (err)
1540 e9371be6 2022-04-16 thomas qid = STAILQ_FIRST(ids);
1541 5fe7b5c1 2022-04-16 thomas STAILQ_REMOVE_HEAD(ids, entry);
1542 5fe7b5c1 2022-04-16 thomas nqueued--;
1543 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
1544 5fe7b5c1 2022-04-16 thomas if (color == COLOR_SKIP)
1545 5fe7b5c1 2022-04-16 thomas nskip--;
1547 ec242592 2022-04-22 thomas if (got_object_idset_contains(skip, &qid->id)) {
1548 5fe7b5c1 2022-04-16 thomas got_object_qid_free(qid);
1549 ec2b23c5 2022-07-01 thomas qid = NULL;
1550 5fe7b5c1 2022-04-16 thomas continue;
1552 ec2b23c5 2022-07-01 thomas if (color == COLOR_KEEP &&
1553 ec2b23c5 2022-07-01 thomas got_object_idset_contains(keep, &qid->id)) {
1554 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
1555 ec2b23c5 2022-07-01 thomas qid = NULL;
1556 ec2b23c5 2022-07-01 thomas continue;
1558 ec2b23c5 2022-07-01 thomas if (color == COLOR_DROP &&
1559 ec2b23c5 2022-07-01 thomas got_object_idset_contains(drop, &qid->id)) {
1560 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
1561 ec2b23c5 2022-07-01 thomas qid = NULL;
1562 ec2b23c5 2022-07-01 thomas continue;
1565 ec2b23c5 2022-07-01 thomas /* Pinned pack may have moved to different cache slot. */
1566 ec2b23c5 2022-07-01 thomas pack = got_repo_get_pinned_pack(repo);
1568 ec2b23c5 2022-07-01 thomas if (packidx && pack) {
1569 ec2b23c5 2022-07-01 thomas idx = got_packidx_get_object_idx(packidx, &qid->id);
1570 ec2b23c5 2022-07-01 thomas if (idx != -1) {
1571 ec2b23c5 2022-07-01 thomas err = paint_packed_commits(pack, &qid->id,
1572 ec2b23c5 2022-07-01 thomas idx, color, ncolored, &nqueued, &nskip,
1573 ec2b23c5 2022-07-01 thomas ids, keep, drop, skip, repo,
1574 ec2b23c5 2022-07-01 thomas progress_cb, progress_arg, rl,
1575 ec2b23c5 2022-07-01 thomas cancel_cb, cancel_arg);
1576 ec2b23c5 2022-07-01 thomas if (err)
1578 5fe7b5c1 2022-04-16 thomas got_object_qid_free(qid);
1579 ec2b23c5 2022-07-01 thomas qid = NULL;
1580 5fe7b5c1 2022-04-16 thomas continue;
1584 ec2b23c5 2022-07-01 thomas switch (color) {
1585 ec2b23c5 2022-07-01 thomas case COLOR_KEEP:
1586 ec242592 2022-04-22 thomas if (got_object_idset_contains(drop, &qid->id)) {
1587 5fe7b5c1 2022-04-16 thomas err = paint_commit(qid, COLOR_SKIP);
1588 5fe7b5c1 2022-04-16 thomas if (err)
1589 5fe7b5c1 2022-04-16 thomas goto done;
1591 5fe7b5c1 2022-04-16 thomas (*ncolored)++;
1592 ec242592 2022-04-22 thomas err = got_object_idset_add(keep, &qid->id, NULL);
1593 5fe7b5c1 2022-04-16 thomas if (err)
1594 5fe7b5c1 2022-04-16 thomas goto done;
1596 5fe7b5c1 2022-04-16 thomas case COLOR_DROP:
1597 ec242592 2022-04-22 thomas if (got_object_idset_contains(keep, &qid->id)) {
1598 5fe7b5c1 2022-04-16 thomas err = paint_commit(qid, COLOR_SKIP);
1599 5fe7b5c1 2022-04-16 thomas if (err)
1600 5fe7b5c1 2022-04-16 thomas goto done;
1602 5fe7b5c1 2022-04-16 thomas (*ncolored)++;
1603 ec242592 2022-04-22 thomas err = got_object_idset_add(drop, &qid->id, NULL);
1604 5fe7b5c1 2022-04-16 thomas if (err)
1605 5fe7b5c1 2022-04-16 thomas goto done;
1607 5fe7b5c1 2022-04-16 thomas case COLOR_SKIP:
1608 ec242592 2022-04-22 thomas if (!got_object_idset_contains(skip, &qid->id)) {
1609 ec242592 2022-04-22 thomas err = got_object_idset_add(skip, &qid->id,
1611 5fe7b5c1 2022-04-16 thomas if (err)
1612 5fe7b5c1 2022-04-16 thomas goto done;
1615 5fe7b5c1 2022-04-16 thomas default:
1616 5fe7b5c1 2022-04-16 thomas /* should not happen */
1617 5fe7b5c1 2022-04-16 thomas err = got_error_fmt(GOT_ERR_NOT_IMPL,
1618 5fe7b5c1 2022-04-16 thomas "%s invalid commit color %d", __func__, color);
1619 5fe7b5c1 2022-04-16 thomas goto done;
1622 85220b0e 2022-03-22 thomas err = report_progress(progress_cb, progress_arg, rl,
1623 85220b0e 2022-03-22 thomas *ncolored, 0, 0, 0L, 0, 0, 0, 0);
1624 85220b0e 2022-03-22 thomas if (err)
1627 ec242592 2022-04-22 thomas err = got_object_open_as_commit(&commit, repo, &qid->id);
1628 5fe7b5c1 2022-04-16 thomas if (err)
1631 5fe7b5c1 2022-04-16 thomas parents = got_object_commit_get_parent_ids(commit);
1632 5fe7b5c1 2022-04-16 thomas if (parents) {
1633 5fe7b5c1 2022-04-16 thomas struct got_object_qid *pid;
1634 ec2b23c5 2022-07-01 thomas color = (intptr_t)qid->data;
1635 5fe7b5c1 2022-04-16 thomas STAILQ_FOREACH(pid, parents, entry) {
1636 ec2b23c5 2022-07-01 thomas err = queue_commit_id(ids, &pid->id,
1637 ec2b23c5 2022-07-01 thomas color, repo);
1638 5fe7b5c1 2022-04-16 thomas if (err)
1640 5fe7b5c1 2022-04-16 thomas nqueued++;
1641 5fe7b5c1 2022-04-16 thomas if (color == COLOR_SKIP)
1642 5fe7b5c1 2022-04-16 thomas nskip++;
1646 ec2b23c5 2022-07-01 thomas if (pack == NULL && (commit->flags & GOT_COMMIT_FLAG_PACKED)) {
1647 ec2b23c5 2022-07-01 thomas if (packidx == NULL) {
1648 ec2b23c5 2022-07-01 thomas err = find_pack_for_commit_painting(&packidx,
1649 ec2b23c5 2022-07-01 thomas ids, nqueued, repo);
1650 ec2b23c5 2022-07-01 thomas if (err)
1651 ec2b23c5 2022-07-01 thomas goto done;
1653 ec2b23c5 2022-07-01 thomas if (packidx != NULL) {
1654 ec2b23c5 2022-07-01 thomas err = cache_pack_for_packidx(&pack, packidx,
1656 ec2b23c5 2022-07-01 thomas if (err)
1657 ec2b23c5 2022-07-01 thomas goto done;
1658 ec2b23c5 2022-07-01 thomas err = got_privsep_init_commit_painting(
1659 ec2b23c5 2022-07-01 thomas pack->privsep_child->ibuf);
1660 ec2b23c5 2022-07-01 thomas if (err)
1661 ec2b23c5 2022-07-01 thomas goto done;
1662 ec2b23c5 2022-07-01 thomas err = send_idset(pack->privsep_child->ibuf,
1664 ec2b23c5 2022-07-01 thomas if (err)
1665 ec2b23c5 2022-07-01 thomas goto done;
1666 ec2b23c5 2022-07-01 thomas err = send_idset(pack->privsep_child->ibuf, drop);
1667 ec2b23c5 2022-07-01 thomas if (err)
1668 ec2b23c5 2022-07-01 thomas goto done;
1669 ec2b23c5 2022-07-01 thomas err = send_idset(pack->privsep_child->ibuf, skip);
1670 ec2b23c5 2022-07-01 thomas if (err)
1671 ec2b23c5 2022-07-01 thomas goto done;
1672 ec2b23c5 2022-07-01 thomas err = got_repo_pin_pack(repo, packidx, pack);
1673 ec2b23c5 2022-07-01 thomas if (err)
1674 ec2b23c5 2022-07-01 thomas goto done;
1678 5fe7b5c1 2022-04-16 thomas got_object_commit_close(commit);
1679 5fe7b5c1 2022-04-16 thomas commit = NULL;
1681 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1682 ec2b23c5 2022-07-01 thomas qid = NULL;
1685 ec2b23c5 2022-07-01 thomas if (pack) {
1686 ec2b23c5 2022-07-01 thomas const struct got_error *pack_err;
1687 ec2b23c5 2022-07-01 thomas pack_err = got_privsep_send_painting_commits_done(
1688 ec2b23c5 2022-07-01 thomas pack->privsep_child->ibuf);
1689 ec2b23c5 2022-07-01 thomas if (err == NULL)
1690 ec2b23c5 2022-07-01 thomas err = pack_err;
1692 e9371be6 2022-04-16 thomas if (commit)
1693 e9371be6 2022-04-16 thomas got_object_commit_close(commit);
1694 ec2b23c5 2022-07-01 thomas got_object_qid_free(qid);
1695 ec2b23c5 2022-07-01 thomas got_repo_unpin_pack(repo);
1696 e9371be6 2022-04-16 thomas return err;
1699 e9371be6 2022-04-16 thomas static const struct got_error *
1700 e9371be6 2022-04-16 thomas findtwixt(struct got_object_id ***res, int *nres, int *ncolored,
1701 e9371be6 2022-04-16 thomas struct got_object_id **head, int nhead,
1702 e9371be6 2022-04-16 thomas struct got_object_id **tail, int ntail,
1703 e9371be6 2022-04-16 thomas struct got_repository *repo,
1704 e9371be6 2022-04-16 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1705 e9371be6 2022-04-16 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1707 e9371be6 2022-04-16 thomas const struct got_error *err = NULL;
1708 e9371be6 2022-04-16 thomas struct got_object_id_queue ids;
1709 5fe7b5c1 2022-04-16 thomas struct got_object_idset *keep, *drop, *skip = NULL;
1710 e9371be6 2022-04-16 thomas int i, nkeep;
1712 e9371be6 2022-04-16 thomas STAILQ_INIT(&ids);
1713 e9371be6 2022-04-16 thomas *res = NULL;
1714 e9371be6 2022-04-16 thomas *nres = 0;
1715 e9371be6 2022-04-16 thomas *ncolored = 0;
1717 e9371be6 2022-04-16 thomas keep = got_object_idset_alloc();
1718 e9371be6 2022-04-16 thomas if (keep == NULL)
1719 e9371be6 2022-04-16 thomas return got_error_from_errno("got_object_idset_alloc");
1721 e9371be6 2022-04-16 thomas drop = got_object_idset_alloc();
1722 e9371be6 2022-04-16 thomas if (drop == NULL) {
1723 e9371be6 2022-04-16 thomas err = got_error_from_errno("got_object_idset_alloc");
1724 e9371be6 2022-04-16 thomas goto done;
1727 5fe7b5c1 2022-04-16 thomas skip = got_object_idset_alloc();
1728 5fe7b5c1 2022-04-16 thomas if (skip == NULL) {
1729 5fe7b5c1 2022-04-16 thomas err = got_error_from_errno("got_object_idset_alloc");
1730 5fe7b5c1 2022-04-16 thomas goto done;
1733 e9371be6 2022-04-16 thomas for (i = 0; i < nhead; i++) {
1734 e9371be6 2022-04-16 thomas struct got_object_id *id = head[i];
1735 e9371be6 2022-04-16 thomas if (id == NULL)
1736 e9371be6 2022-04-16 thomas continue;
1737 fc457d24 2022-04-16 thomas err = queue_commit_or_tag_id(id, COLOR_KEEP, &ids, repo);
1738 e9371be6 2022-04-16 thomas if (err)
1739 e9371be6 2022-04-16 thomas goto done;
1742 e9371be6 2022-04-16 thomas for (i = 0; i < ntail; i++) {
1743 e9371be6 2022-04-16 thomas struct got_object_id *id = tail[i];
1744 e9371be6 2022-04-16 thomas if (id == NULL)
1745 e9371be6 2022-04-16 thomas continue;
1746 e9371be6 2022-04-16 thomas err = queue_commit_or_tag_id(id, COLOR_DROP, &ids, repo);
1747 e9371be6 2022-04-16 thomas if (err)
1748 e9371be6 2022-04-16 thomas goto done;
1751 5fe7b5c1 2022-04-16 thomas err = paint_commits(ncolored, &ids, nhead + ntail,
1752 5fe7b5c1 2022-04-16 thomas keep, drop, skip, repo, progress_cb, progress_arg, rl,
1753 5fe7b5c1 2022-04-16 thomas cancel_cb, cancel_arg);
1754 e9371be6 2022-04-16 thomas if (err)
1755 e9371be6 2022-04-16 thomas goto done;
1757 e6bcace5 2021-06-22 stsp nkeep = got_object_idset_num_elements(keep);
1758 e6bcace5 2021-06-22 stsp if (nkeep > 0) {
1759 e6bcace5 2021-06-22 stsp struct append_id_arg arg;
1760 e6bcace5 2021-06-22 stsp arg.array = calloc(nkeep, sizeof(struct got_object_id *));
1761 e6bcace5 2021-06-22 stsp if (arg.array == NULL) {
1762 e6bcace5 2021-06-22 stsp err = got_error_from_errno("calloc");
1763 e6bcace5 2021-06-22 stsp goto done;
1765 5fe7b5c1 2022-04-16 thomas arg.idx = -1;
1766 5fe7b5c1 2022-04-16 thomas arg.skip = skip;
1767 5fe7b5c1 2022-04-16 thomas arg.drop = drop;
1768 e6bcace5 2021-06-22 stsp err = got_object_idset_for_each(keep, append_id, &arg);
1769 e6bcace5 2021-06-22 stsp if (err) {
1770 e6bcace5 2021-06-22 stsp free(arg.array);
1771 e6bcace5 2021-06-22 stsp goto done;
1773 e6bcace5 2021-06-22 stsp *res = arg.array;
1774 5fe7b5c1 2022-04-16 thomas *nres = arg.idx + 1;
1777 e6bcace5 2021-06-22 stsp got_object_idset_free(keep);
1778 e6bcace5 2021-06-22 stsp got_object_idset_free(drop);
1779 5fe7b5c1 2022-04-16 thomas if (skip)
1780 5fe7b5c1 2022-04-16 thomas got_object_idset_free(skip);
1781 e6bcace5 2021-06-22 stsp got_object_id_queue_free(&ids);
1782 63915ee5 2022-06-23 thomas return err;
1785 63915ee5 2022-06-23 thomas struct load_packed_obj_arg {
1786 63915ee5 2022-06-23 thomas /* output parameters: */
1787 63915ee5 2022-06-23 thomas struct got_object_id *id;
1788 63915ee5 2022-06-23 thomas char *dpath;
1789 63915ee5 2022-06-23 thomas time_t mtime;
1791 63915ee5 2022-06-23 thomas /* input parameters: */
1792 63915ee5 2022-06-23 thomas uint32_t seed;
1793 63915ee5 2022-06-23 thomas int want_meta;
1794 63915ee5 2022-06-23 thomas struct got_object_idset *idset;
1795 63915ee5 2022-06-23 thomas struct got_object_idset *idset_exclude;
1796 63915ee5 2022-06-23 thomas int loose_obj_only;
1797 63915ee5 2022-06-23 thomas int *ncolored;
1798 63915ee5 2022-06-23 thomas int *nfound;
1799 63915ee5 2022-06-23 thomas int *ntrees;
1800 63915ee5 2022-06-23 thomas got_pack_progress_cb progress_cb;
1801 63915ee5 2022-06-23 thomas void *progress_arg;
1802 63915ee5 2022-06-23 thomas struct got_ratelimit *rl;
1803 63915ee5 2022-06-23 thomas got_cancel_cb cancel_cb;
1804 63915ee5 2022-06-23 thomas void *cancel_arg;
1807 63915ee5 2022-06-23 thomas static const struct got_error *
1808 63915ee5 2022-06-23 thomas load_packed_commit_id(void *arg, time_t mtime, struct got_object_id *id,
1809 63915ee5 2022-06-23 thomas struct got_repository *repo)
1811 63915ee5 2022-06-23 thomas struct load_packed_obj_arg *a = arg;
1813 63915ee5 2022-06-23 thomas if (got_object_idset_contains(a->idset, id) ||
1814 63915ee5 2022-06-23 thomas got_object_idset_contains(a->idset_exclude, id))
1815 63915ee5 2022-06-23 thomas return NULL;
1817 63915ee5 2022-06-23 thomas return add_object(a->want_meta,
1818 63915ee5 2022-06-23 thomas a->want_meta ? a->idset : a->idset_exclude,
1819 63915ee5 2022-06-23 thomas id, "", GOT_OBJ_TYPE_COMMIT, mtime, a->seed, a->loose_obj_only,
1820 63915ee5 2022-06-23 thomas repo, a->ncolored, a->nfound, a->ntrees,
1821 63915ee5 2022-06-23 thomas a->progress_cb, a->progress_arg, a->rl);
1824 63915ee5 2022-06-23 thomas static const struct got_error *
1825 63915ee5 2022-06-23 thomas load_packed_tree_ids(void *arg, struct got_tree_object *tree, time_t mtime,
1826 63915ee5 2022-06-23 thomas struct got_object_id *id, const char *dpath, struct got_repository *repo)
1828 63915ee5 2022-06-23 thomas const struct got_error *err;
1829 63915ee5 2022-06-23 thomas struct load_packed_obj_arg *a = arg;
1830 63915ee5 2022-06-23 thomas const char *relpath;
1833 63915ee5 2022-06-23 thomas * When we receive a tree's ID and path but not the tree itself,
1834 63915ee5 2022-06-23 thomas * this tree object was not found in the pack file. This is the
1835 63915ee5 2022-06-23 thomas * last time we are being called for this optimized traversal.
1836 63915ee5 2022-06-23 thomas * Return from here and switch to loading objects the slow way.
1838 63915ee5 2022-06-23 thomas if (tree == NULL) {
1839 63915ee5 2022-06-23 thomas free(a->id);
1840 63915ee5 2022-06-23 thomas a->id = got_object_id_dup(id);
1841 63915ee5 2022-06-23 thomas if (a->id == NULL) {
1842 63915ee5 2022-06-23 thomas err = got_error_from_errno("got_object_id_dup");
1843 63915ee5 2022-06-23 thomas free(a->dpath);
1844 63915ee5 2022-06-23 thomas a->dpath = NULL;
1845 63915ee5 2022-06-23 thomas return err;
1848 63915ee5 2022-06-23 thomas free(a->dpath);
1849 63915ee5 2022-06-23 thomas a->dpath = strdup(dpath);
1850 63915ee5 2022-06-23 thomas if (a->dpath == NULL) {
1851 63915ee5 2022-06-23 thomas err = got_error_from_errno("strdup");
1852 63915ee5 2022-06-23 thomas free(a->id);
1853 63915ee5 2022-06-23 thomas a->id = NULL;
1854 63915ee5 2022-06-23 thomas return err;
1857 63915ee5 2022-06-23 thomas a->mtime = mtime;
1858 63915ee5 2022-06-23 thomas return NULL;
1861 63915ee5 2022-06-23 thomas if (got_object_idset_contains(a->idset, id) ||
1862 63915ee5 2022-06-23 thomas got_object_idset_contains(a->idset_exclude, id))
1863 63915ee5 2022-06-23 thomas return NULL;
1865 63915ee5 2022-06-23 thomas relpath = dpath;
1866 63915ee5 2022-06-23 thomas while (relpath[0] == '/')
1867 63915ee5 2022-06-23 thomas relpath++;
1869 63915ee5 2022-06-23 thomas err = add_object(a->want_meta,
1870 63915ee5 2022-06-23 thomas a->want_meta ? a->idset : a->idset_exclude,
1871 63915ee5 2022-06-23 thomas id, relpath, GOT_OBJ_TYPE_TREE, mtime, a->seed,
1872 63915ee5 2022-06-23 thomas a->loose_obj_only, repo, a->ncolored, a->nfound, a->ntrees,
1873 63915ee5 2022-06-23 thomas a->progress_cb, a->progress_arg, a->rl);
1874 63915ee5 2022-06-23 thomas if (err)
1875 63915ee5 2022-06-23 thomas return err;
1877 63915ee5 2022-06-23 thomas return load_tree_entries(NULL, a->want_meta, a->idset,
1878 63915ee5 2022-06-23 thomas a->idset_exclude, tree, dpath, mtime, a->seed, repo,
1879 63915ee5 2022-06-23 thomas a->loose_obj_only, a->ncolored, a->nfound, a->ntrees,
1880 63915ee5 2022-06-23 thomas a->progress_cb, a->progress_arg, a->rl,
1881 63915ee5 2022-06-23 thomas a->cancel_cb, a->cancel_arg);
1884 63915ee5 2022-06-23 thomas static const struct got_error *
1885 e71f1e62 2022-06-23 thomas load_packed_object_ids(int *found_all_objects,
1886 e71f1e62 2022-06-23 thomas struct got_object_id **ours, int nours,
1887 63915ee5 2022-06-23 thomas struct got_object_id **theirs, int ntheirs,
1888 63915ee5 2022-06-23 thomas int want_meta, uint32_t seed, struct got_object_idset *idset,
1889 63915ee5 2022-06-23 thomas struct got_object_idset *idset_exclude, int loose_obj_only,
1890 63915ee5 2022-06-23 thomas struct got_repository *repo, struct got_packidx *packidx,
1891 63915ee5 2022-06-23 thomas int *ncolored, int *nfound, int *ntrees,
1892 63915ee5 2022-06-23 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1893 63915ee5 2022-06-23 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1895 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1896 63915ee5 2022-06-23 thomas struct load_packed_obj_arg lpa;
1898 63915ee5 2022-06-23 thomas memset(&lpa, 0, sizeof(lpa));
1899 63915ee5 2022-06-23 thomas lpa.seed = seed;
1900 63915ee5 2022-06-23 thomas lpa.want_meta = want_meta;
1901 63915ee5 2022-06-23 thomas lpa.idset = idset;
1902 63915ee5 2022-06-23 thomas lpa.idset_exclude = idset_exclude;
1903 63915ee5 2022-06-23 thomas lpa.loose_obj_only = loose_obj_only;
1904 63915ee5 2022-06-23 thomas lpa.ncolored = ncolored;
1905 63915ee5 2022-06-23 thomas lpa.nfound = nfound;
1906 63915ee5 2022-06-23 thomas lpa.ntrees = ntrees;
1907 63915ee5 2022-06-23 thomas lpa.progress_cb = progress_cb;
1908 63915ee5 2022-06-23 thomas lpa.progress_arg = progress_arg;
1909 63915ee5 2022-06-23 thomas lpa.rl = rl;
1910 63915ee5 2022-06-23 thomas lpa.cancel_cb = cancel_cb;
1911 63915ee5 2022-06-23 thomas lpa.cancel_arg = cancel_arg;
1913 63915ee5 2022-06-23 thomas /* Attempt to load objects via got-read-pack, as far as possible. */
1914 e71f1e62 2022-06-23 thomas err = got_object_enumerate(found_all_objects, load_packed_commit_id,
1915 63915ee5 2022-06-23 thomas load_packed_tree_ids, &lpa, ours, nours, theirs, ntheirs,
1916 63915ee5 2022-06-23 thomas packidx, repo);
1917 63915ee5 2022-06-23 thomas if (err)
1918 63915ee5 2022-06-23 thomas return err;
1920 63915ee5 2022-06-23 thomas if (lpa.id == NULL)
1921 63915ee5 2022-06-23 thomas return NULL;
1924 63915ee5 2022-06-23 thomas * An incomplete tree hierarchy was present in the pack file
1925 e71f1e62 2022-06-23 thomas * and caused loading to be aborted.
1926 63915ee5 2022-06-23 thomas * Continue loading trees the slow way.
1928 63915ee5 2022-06-23 thomas err = load_tree(want_meta, idset, idset_exclude,
1929 63915ee5 2022-06-23 thomas lpa.id, lpa.dpath, lpa.mtime, seed, repo, loose_obj_only,
1930 63915ee5 2022-06-23 thomas ncolored, nfound, ntrees, progress_cb, progress_arg, rl,
1931 63915ee5 2022-06-23 thomas cancel_cb, cancel_arg);
1932 63915ee5 2022-06-23 thomas free(lpa.id);
1933 63915ee5 2022-06-23 thomas free(lpa.dpath);
1934 e6bcace5 2021-06-22 stsp return err;
1937 e6bcace5 2021-06-22 stsp static const struct got_error *
1938 63915ee5 2022-06-23 thomas find_pack_for_enumeration(struct got_packidx **best_packidx,
1939 63915ee5 2022-06-23 thomas struct got_object_id **ids, int nids, struct got_repository *repo)
1941 63915ee5 2022-06-23 thomas const struct got_error *err = NULL;
1942 63915ee5 2022-06-23 thomas struct got_pathlist_entry *pe;
1943 63915ee5 2022-06-23 thomas const char *best_packidx_path = NULL;
1944 63915ee5 2022-06-23 thomas int nobj_max = 0;
1945 63915ee5 2022-06-23 thomas int ncommits_max = 0;
1947 63915ee5 2022-06-23 thomas *best_packidx = NULL;
1950 63915ee5 2022-06-23 thomas * Find the largest pack which contains at least some of the
1951 63915ee5 2022-06-23 thomas * commits and tags we are interested in.
1953 63915ee5 2022-06-23 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1954 63915ee5 2022-06-23 thomas const char *path_packidx = pe->path;
1955 63915ee5 2022-06-23 thomas struct got_packidx *packidx;
1956 63915ee5 2022-06-23 thomas int nobj, i, idx, ncommits = 0;
1958 63915ee5 2022-06-23 thomas err = got_repo_get_packidx(&packidx, path_packidx, repo);
1959 63915ee5 2022-06-23 thomas if (err)
1962 63915ee5 2022-06-23 thomas nobj = be32toh(packidx->hdr.fanout_table[0xff]);
1963 63915ee5 2022-06-23 thomas if (nobj <= nobj_max)
1964 63915ee5 2022-06-23 thomas continue;
1966 63915ee5 2022-06-23 thomas for (i = 0; i < nids; i++) {
1967 63915ee5 2022-06-23 thomas idx = got_packidx_get_object_idx(packidx, ids[i]);
1968 63915ee5 2022-06-23 thomas if (idx != -1)
1969 63915ee5 2022-06-23 thomas ncommits++;
1971 63915ee5 2022-06-23 thomas if (ncommits > ncommits_max) {
1972 63915ee5 2022-06-23 thomas best_packidx_path = path_packidx;
1973 63915ee5 2022-06-23 thomas nobj_max = nobj;
1974 63915ee5 2022-06-23 thomas ncommits_max = ncommits;
1978 eee80a61 2022-06-23 thomas if (best_packidx_path && err == NULL) {
1979 63915ee5 2022-06-23 thomas err = got_repo_get_packidx(best_packidx, best_packidx_path,
1983 63915ee5 2022-06-23 thomas return err;
1986 63915ee5 2022-06-23 thomas static const struct got_error *
1987 85220b0e 2022-03-22 thomas load_object_ids(int *ncolored, int *nfound, int *ntrees,
1988 85220b0e 2022-03-22 thomas struct got_object_idset *idset, struct got_object_id **theirs, int ntheirs,
1989 e6bcace5 2021-06-22 stsp struct got_object_id **ours, int nours, struct got_repository *repo,
1990 cc524d36 2022-05-31 thomas uint32_t seed, int loose_obj_only, got_pack_progress_cb progress_cb,
1991 cc524d36 2022-05-31 thomas void *progress_arg, struct got_ratelimit *rl, got_cancel_cb cancel_cb,
1992 cc524d36 2022-05-31 thomas void *cancel_arg)
1994 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1995 e6bcace5 2021-06-22 stsp struct got_object_id **ids = NULL;
1996 63915ee5 2022-06-23 thomas struct got_packidx *packidx = NULL;
1997 e71f1e62 2022-06-23 thomas int i, nobj = 0, obj_type, found_all_objects = 0;
1998 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude;
2000 7afbdbad 2022-05-12 thomas idset_exclude = got_object_idset_alloc();
2001 7afbdbad 2022-05-12 thomas if (idset_exclude == NULL)
2002 7afbdbad 2022-05-12 thomas return got_error_from_errno("got_object_idset_alloc");
2004 85220b0e 2022-03-22 thomas *ncolored = 0;
2005 85220b0e 2022-03-22 thomas *nfound = 0;
2006 85220b0e 2022-03-22 thomas *ntrees = 0;
2008 85220b0e 2022-03-22 thomas err = findtwixt(&ids, &nobj, ncolored, ours, nours, theirs, ntheirs,
2009 85220b0e 2022-03-22 thomas repo, progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
2010 ae2b0251 2022-05-12 thomas if (err)
2011 e6bcace5 2021-06-22 stsp goto done;
2013 63915ee5 2022-06-23 thomas err = find_pack_for_enumeration(&packidx, theirs, ntheirs, repo);
2014 63915ee5 2022-06-23 thomas if (err)
2015 63915ee5 2022-06-23 thomas goto done;
2016 63915ee5 2022-06-23 thomas if (packidx) {
2017 e71f1e62 2022-06-23 thomas err = load_packed_object_ids(&found_all_objects,
2018 e71f1e62 2022-06-23 thomas theirs, ntheirs, NULL, 0, 0, seed, idset, idset_exclude,
2019 e71f1e62 2022-06-23 thomas loose_obj_only, repo, packidx, ncolored, nfound, ntrees,
2020 e71f1e62 2022-06-23 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
2021 63915ee5 2022-06-23 thomas if (err)
2022 63915ee5 2022-06-23 thomas goto done;
2025 e6bcace5 2021-06-22 stsp for (i = 0; i < ntheirs; i++) {
2026 05118f5a 2021-06-22 stsp struct got_object_id *id = theirs[i];
2027 05118f5a 2021-06-22 stsp if (id == NULL)
2029 05118f5a 2021-06-22 stsp err = got_object_get_type(&obj_type, repo, id);
2031 05118f5a 2021-06-22 stsp return err;
2032 8eef4276 2022-04-16 thomas if (obj_type == GOT_OBJ_TYPE_COMMIT) {
2033 e71f1e62 2022-06-23 thomas if (!found_all_objects) {
2034 e71f1e62 2022-06-23 thomas err = load_commit(0, idset, idset_exclude,
2035 e71f1e62 2022-06-23 thomas id, repo, seed, loose_obj_only,
2036 e71f1e62 2022-06-23 thomas ncolored, nfound, ntrees,
2037 e71f1e62 2022-06-23 thomas progress_cb, progress_arg, rl,
2038 e71f1e62 2022-06-23 thomas cancel_cb, cancel_arg);
2039 e71f1e62 2022-06-23 thomas if (err)
2040 e71f1e62 2022-06-23 thomas goto done;
2042 8eef4276 2022-04-16 thomas } else if (obj_type == GOT_OBJ_TYPE_TAG) {
2043 7afbdbad 2022-05-12 thomas err = load_tag(0, idset, idset_exclude, id, repo,
2044 cc524d36 2022-05-31 thomas seed, loose_obj_only, ncolored, nfound, ntrees,
2045 8eef4276 2022-04-16 thomas progress_cb, progress_arg, rl,
2046 8eef4276 2022-04-16 thomas cancel_cb, cancel_arg);
2047 8eef4276 2022-04-16 thomas if (err)
2048 8eef4276 2022-04-16 thomas goto done;
2052 e71f1e62 2022-06-23 thomas found_all_objects = 0;
2053 63915ee5 2022-06-23 thomas err = find_pack_for_enumeration(&packidx, ids, nobj, repo);
2054 63915ee5 2022-06-23 thomas if (err)
2055 63915ee5 2022-06-23 thomas goto done;
2056 63915ee5 2022-06-23 thomas if (packidx) {
2057 e71f1e62 2022-06-23 thomas err = load_packed_object_ids(&found_all_objects, ids,
2058 e71f1e62 2022-06-23 thomas nobj, theirs, ntheirs, 1, seed, idset, idset_exclude,
2059 e71f1e62 2022-06-23 thomas loose_obj_only, repo, packidx, ncolored, nfound, ntrees,
2060 63915ee5 2022-06-23 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
2061 63915ee5 2022-06-23 thomas if (err)
2062 63915ee5 2022-06-23 thomas goto done;
2065 e71f1e62 2022-06-23 thomas if (!found_all_objects) {
2066 e71f1e62 2022-06-23 thomas for (i = 0; i < nobj; i++) {
2067 e71f1e62 2022-06-23 thomas err = load_commit(1, idset, idset_exclude, ids[i],
2068 e71f1e62 2022-06-23 thomas repo, seed, loose_obj_only, ncolored, nfound,
2069 e71f1e62 2022-06-23 thomas ntrees, progress_cb, progress_arg, rl,
2070 e71f1e62 2022-06-23 thomas cancel_cb, cancel_arg);
2071 e71f1e62 2022-06-23 thomas if (err)
2072 e71f1e62 2022-06-23 thomas goto done;
2076 05118f5a 2021-06-22 stsp for (i = 0; i < nours; i++) {
2077 05118f5a 2021-06-22 stsp struct got_object_id *id = ours[i];
2078 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m;
2079 05118f5a 2021-06-22 stsp if (id == NULL)
2081 f9c2e8e5 2022-02-13 thomas m = got_object_idset_get(idset, id);
2082 f9c2e8e5 2022-02-13 thomas if (m == NULL) {
2083 07165b17 2021-07-01 stsp err = got_object_get_type(&obj_type, repo, id);
2085 07165b17 2021-07-01 stsp goto done;
2087 f9c2e8e5 2022-02-13 thomas obj_type = m->obj_type;
2088 05118f5a 2021-06-22 stsp if (obj_type != GOT_OBJ_TYPE_TAG)
2090 7afbdbad 2022-05-12 thomas err = load_tag(1, idset, idset_exclude, id, repo,
2091 cc524d36 2022-05-31 thomas seed, loose_obj_only, ncolored, nfound, ntrees,
2092 7afbdbad 2022-05-12 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
2094 e6bcace5 2021-06-22 stsp goto done;
2097 e6bcace5 2021-06-22 stsp for (i = 0; i < nobj; i++) {
2098 e6bcace5 2021-06-22 stsp free(ids[i]);
2100 e6bcace5 2021-06-22 stsp free(ids);
2101 7afbdbad 2022-05-12 thomas got_object_idset_free(idset_exclude);
2102 e6bcace5 2021-06-22 stsp return err;
2105 ef20f542 2022-06-26 thomas static const struct got_error *
2106 0c6f49ba 2022-07-01 thomas hwrite(FILE *f, const void *buf, off_t len, SHA1_CTX *ctx)
2110 e6bcace5 2021-06-22 stsp SHA1Update(ctx, buf, len);
2111 e6bcace5 2021-06-22 stsp n = fwrite(buf, 1, len, f);
2112 e6bcace5 2021-06-22 stsp if (n != len)
2113 e6bcace5 2021-06-22 stsp return got_ferror(f, GOT_ERR_IO);
2114 9249e7e3 2022-05-12 thomas return NULL;
2117 ef20f542 2022-06-26 thomas static const struct got_error *
2118 9249e7e3 2022-05-12 thomas hcopy(FILE *fsrc, FILE *fdst, off_t len, SHA1_CTX *ctx)
2120 9249e7e3 2022-05-12 thomas unsigned char buf[65536];
2121 9249e7e3 2022-05-12 thomas off_t remain = len;
2122 9249e7e3 2022-05-12 thomas size_t n;
2124 9249e7e3 2022-05-12 thomas while (remain > 0) {
2125 9249e7e3 2022-05-12 thomas size_t copylen = MIN(sizeof(buf), remain);
2126 9249e7e3 2022-05-12 thomas n = fread(buf, 1, copylen, fsrc);
2127 9249e7e3 2022-05-12 thomas if (n != copylen)
2128 9249e7e3 2022-05-12 thomas return got_ferror(fsrc, GOT_ERR_IO);
2129 9249e7e3 2022-05-12 thomas SHA1Update(ctx, buf, copylen);
2130 9249e7e3 2022-05-12 thomas n = fwrite(buf, 1, copylen, fdst);
2131 9249e7e3 2022-05-12 thomas if (n != copylen)
2132 9249e7e3 2022-05-12 thomas return got_ferror(fdst, GOT_ERR_IO);
2133 9249e7e3 2022-05-12 thomas remain -= copylen;
2136 e6bcace5 2021-06-22 stsp return NULL;
2139 ef20f542 2022-06-26 thomas static const struct got_error *
2140 d93dda9a 2022-05-12 thomas hcopy_mmap(uint8_t *src, off_t src_offset, size_t src_size,
2141 d93dda9a 2022-05-12 thomas FILE *fdst, off_t len, SHA1_CTX *ctx)
2143 d93dda9a 2022-05-12 thomas size_t n;
2145 d93dda9a 2022-05-12 thomas if (src_offset + len > src_size)
2146 d93dda9a 2022-05-12 thomas return got_error(GOT_ERR_RANGE);
2148 d93dda9a 2022-05-12 thomas SHA1Update(ctx, src + src_offset, len);
2149 d93dda9a 2022-05-12 thomas n = fwrite(src + src_offset, 1, len, fdst);
2150 d93dda9a 2022-05-12 thomas if (n != len)
2151 d93dda9a 2022-05-12 thomas return got_ferror(fdst, GOT_ERR_IO);
2153 d93dda9a 2022-05-12 thomas return NULL;
2156 e6bcace5 2021-06-22 stsp static void
2157 e6bcace5 2021-06-22 stsp putbe32(char *b, uint32_t n)
2159 e6bcace5 2021-06-22 stsp b[0] = n >> 24;
2160 e6bcace5 2021-06-22 stsp b[1] = n >> 16;
2161 e6bcace5 2021-06-22 stsp b[2] = n >> 8;
2162 e6bcace5 2021-06-22 stsp b[3] = n >> 0;
2165 e6bcace5 2021-06-22 stsp static int
2166 e6bcace5 2021-06-22 stsp write_order_cmp(const void *pa, const void *pb)
2168 e6bcace5 2021-06-22 stsp struct got_pack_meta *a, *b, *ahd, *bhd;
2170 e6bcace5 2021-06-22 stsp a = *(struct got_pack_meta **)pa;
2171 e6bcace5 2021-06-22 stsp b = *(struct got_pack_meta **)pb;
2172 e6bcace5 2021-06-22 stsp ahd = (a->head == NULL) ? a : a->head;
2173 e6bcace5 2021-06-22 stsp bhd = (b->head == NULL) ? b : b->head;
2174 f6b43367 2022-05-01 thomas if (bhd->mtime < ahd->mtime)
2175 f6b43367 2022-05-01 thomas return -1;
2176 f6b43367 2022-05-01 thomas if (bhd->mtime > ahd->mtime)
2177 f6b43367 2022-05-01 thomas return 1;
2178 f6b43367 2022-05-01 thomas if (bhd < ahd)
2179 f6b43367 2022-05-01 thomas return -1;
2180 f6b43367 2022-05-01 thomas if (bhd > ahd)
2181 f6b43367 2022-05-01 thomas return 1;
2182 e6bcace5 2021-06-22 stsp if (a->nchain != b->nchain)
2183 e6bcace5 2021-06-22 stsp return a->nchain - b->nchain;
2184 f6b43367 2022-05-01 thomas if (a->mtime < b->mtime)
2185 f6b43367 2022-05-01 thomas return -1;
2186 f6b43367 2022-05-01 thomas if (a->mtime > b->mtime)
2187 f6b43367 2022-05-01 thomas return 1;
2188 f6b43367 2022-05-01 thomas return got_object_id_cmp(&a->id, &b->id);
2191 f9c2e8e5 2022-02-13 thomas static int
2192 f9c2e8e5 2022-02-13 thomas reuse_write_order_cmp(const void *pa, const void *pb)
2194 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *a, *b;
2196 f9c2e8e5 2022-02-13 thomas a = *(struct got_pack_meta **)pa;
2197 f9c2e8e5 2022-02-13 thomas b = *(struct got_pack_meta **)pb;
2199 f9c2e8e5 2022-02-13 thomas if (a->reused_delta_offset < b->reused_delta_offset)
2200 f9c2e8e5 2022-02-13 thomas return -1;
2201 f9c2e8e5 2022-02-13 thomas if (a->reused_delta_offset > b->reused_delta_offset)
2202 f9c2e8e5 2022-02-13 thomas return 1;
2203 f9c2e8e5 2022-02-13 thomas return 0;
2206 e6bcace5 2021-06-22 stsp static const struct got_error *
2207 e6bcace5 2021-06-22 stsp packhdr(int *hdrlen, char *hdr, size_t bufsize, int obj_type, size_t len)
2211 e6bcace5 2021-06-22 stsp *hdrlen = 0;
2213 e6bcace5 2021-06-22 stsp hdr[0] = obj_type << 4;
2214 e6bcace5 2021-06-22 stsp hdr[0] |= len & 0xf;
2215 e6bcace5 2021-06-22 stsp len >>= 4;
2216 e6bcace5 2021-06-22 stsp for (i = 1; len != 0; i++){
2217 e6bcace5 2021-06-22 stsp if (i >= bufsize)
2218 e6bcace5 2021-06-22 stsp return got_error(GOT_ERR_NO_SPACE);
2219 e6bcace5 2021-06-22 stsp hdr[i - 1] |= GOT_DELTA_SIZE_MORE;
2220 e6bcace5 2021-06-22 stsp hdr[i] = len & GOT_DELTA_SIZE_VAL_MASK;
2221 e6bcace5 2021-06-22 stsp len >>= GOT_DELTA_SIZE_SHIFT;
2224 e6bcace5 2021-06-22 stsp *hdrlen = i;
2225 e6bcace5 2021-06-22 stsp return NULL;
2228 e6bcace5 2021-06-22 stsp static int
2229 e6bcace5 2021-06-22 stsp packoff(char *hdr, off_t off)
2232 e6bcace5 2021-06-22 stsp char rbuf[8];
2234 e6bcace5 2021-06-22 stsp rbuf[0] = off & GOT_DELTA_SIZE_VAL_MASK;
2235 e6bcace5 2021-06-22 stsp for (i = 1; (off >>= GOT_DELTA_SIZE_SHIFT) != 0; i++) {
2236 e6bcace5 2021-06-22 stsp rbuf[i] = (--off & GOT_DELTA_SIZE_VAL_MASK) |
2237 e6bcace5 2021-06-22 stsp GOT_DELTA_SIZE_MORE;
2241 e6bcace5 2021-06-22 stsp while (i > 0)
2242 e6bcace5 2021-06-22 stsp hdr[j++] = rbuf[--i];
2246 e6bcace5 2021-06-22 stsp static const struct got_error *
2247 3b6ceab7 2022-01-10 thomas deltahdr(off_t *packfile_size, SHA1_CTX *ctx, FILE *packfile,
2248 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m)
2250 3b6ceab7 2022-01-10 thomas const struct got_error *err;
2251 3b6ceab7 2022-01-10 thomas char buf[32];
2254 f9c2e8e5 2022-02-13 thomas if (m->prev->off != 0) {
2255 3b6ceab7 2022-01-10 thomas err = packhdr(&nh, buf, sizeof(buf),
2256 3b6ceab7 2022-01-10 thomas GOT_OBJ_TYPE_OFFSET_DELTA, m->delta_len);
2257 3b6ceab7 2022-01-10 thomas if (err)
2258 3b6ceab7 2022-01-10 thomas return err;
2259 3b6ceab7 2022-01-10 thomas nh += packoff(buf + nh, m->off - m->prev->off);
2260 3b6ceab7 2022-01-10 thomas err = hwrite(packfile, buf, nh, ctx);
2261 3b6ceab7 2022-01-10 thomas if (err)
2262 3b6ceab7 2022-01-10 thomas return err;
2263 3b6ceab7 2022-01-10 thomas *packfile_size += nh;
2264 3b6ceab7 2022-01-10 thomas } else {
2265 3b6ceab7 2022-01-10 thomas err = packhdr(&nh, buf, sizeof(buf),
2266 3b6ceab7 2022-01-10 thomas GOT_OBJ_TYPE_REF_DELTA, m->delta_len);
2267 3b6ceab7 2022-01-10 thomas if (err)
2268 3b6ceab7 2022-01-10 thomas return err;
2269 3b6ceab7 2022-01-10 thomas err = hwrite(packfile, buf, nh, ctx);
2270 3b6ceab7 2022-01-10 thomas if (err)
2271 3b6ceab7 2022-01-10 thomas return err;
2272 3b6ceab7 2022-01-10 thomas *packfile_size += nh;
2273 3b6ceab7 2022-01-10 thomas err = hwrite(packfile, m->prev->id.sha1,
2274 3b6ceab7 2022-01-10 thomas sizeof(m->prev->id.sha1), ctx);
2275 3b6ceab7 2022-01-10 thomas if (err)
2276 3b6ceab7 2022-01-10 thomas return err;
2277 3b6ceab7 2022-01-10 thomas *packfile_size += sizeof(m->prev->id.sha1);
2280 3b6ceab7 2022-01-10 thomas return NULL;
2283 3b6ceab7 2022-01-10 thomas static const struct got_error *
2284 f9c2e8e5 2022-02-13 thomas write_packed_object(off_t *packfile_size, FILE *packfile,
2285 d93dda9a 2022-05-12 thomas FILE *delta_cache, uint8_t *delta_cache_map, size_t delta_cache_size,
2286 d93dda9a 2022-05-12 thomas struct got_pack_meta *m, int *outfd, SHA1_CTX *ctx,
2287 d93dda9a 2022-05-12 thomas struct got_repository *repo)
2289 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
2290 f9c2e8e5 2022-02-13 thomas struct got_deflate_checksum csum;
2291 f9c2e8e5 2022-02-13 thomas char buf[32];
2293 f9c2e8e5 2022-02-13 thomas struct got_raw_object *raw = NULL;
2294 f9c2e8e5 2022-02-13 thomas off_t outlen;
2296 f9c2e8e5 2022-02-13 thomas csum.output_sha1 = ctx;
2297 f9c2e8e5 2022-02-13 thomas csum.output_crc = NULL;
2299 f9c2e8e5 2022-02-13 thomas m->off = ftello(packfile);
2300 f9c2e8e5 2022-02-13 thomas if (m->delta_len == 0) {
2301 f9c2e8e5 2022-02-13 thomas err = got_object_raw_open(&raw, outfd, repo, &m->id);
2302 f9c2e8e5 2022-02-13 thomas if (err)
2303 f9c2e8e5 2022-02-13 thomas goto done;
2304 f9c2e8e5 2022-02-13 thomas err = packhdr(&nh, buf, sizeof(buf),
2305 f9c2e8e5 2022-02-13 thomas m->obj_type, raw->size);
2306 f9c2e8e5 2022-02-13 thomas if (err)
2307 f9c2e8e5 2022-02-13 thomas goto done;
2308 f9c2e8e5 2022-02-13 thomas err = hwrite(packfile, buf, nh, ctx);
2309 f9c2e8e5 2022-02-13 thomas if (err)
2310 f9c2e8e5 2022-02-13 thomas goto done;
2311 f9c2e8e5 2022-02-13 thomas *packfile_size += nh;
2312 f9c2e8e5 2022-02-13 thomas if (raw->f == NULL) {
2313 f9c2e8e5 2022-02-13 thomas err = got_deflate_to_file_mmap(&outlen,
2314 f9c2e8e5 2022-02-13 thomas raw->data + raw->hdrlen, 0, raw->size,
2315 f9c2e8e5 2022-02-13 thomas packfile, &csum);
2316 f9c2e8e5 2022-02-13 thomas if (err)
2317 f9c2e8e5 2022-02-13 thomas goto done;
2318 f9c2e8e5 2022-02-13 thomas } else {
2319 f9c2e8e5 2022-02-13 thomas if (fseeko(raw->f, raw->hdrlen, SEEK_SET)
2320 f9c2e8e5 2022-02-13 thomas == -1) {
2321 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fseeko");
2322 f9c2e8e5 2022-02-13 thomas goto done;
2324 f9c2e8e5 2022-02-13 thomas err = got_deflate_to_file(&outlen, raw->f,
2325 f9c2e8e5 2022-02-13 thomas raw->size, packfile, &csum);
2326 f9c2e8e5 2022-02-13 thomas if (err)
2327 f9c2e8e5 2022-02-13 thomas goto done;
2329 f9c2e8e5 2022-02-13 thomas *packfile_size += outlen;
2330 f9c2e8e5 2022-02-13 thomas got_object_raw_close(raw);
2331 f9c2e8e5 2022-02-13 thomas raw = NULL;
2332 f9c2e8e5 2022-02-13 thomas } else if (m->delta_buf) {
2333 f9c2e8e5 2022-02-13 thomas err = deltahdr(packfile_size, ctx, packfile, m);
2334 f9c2e8e5 2022-02-13 thomas if (err)
2335 f9c2e8e5 2022-02-13 thomas goto done;
2336 9249e7e3 2022-05-12 thomas err = hwrite(packfile, m->delta_buf,
2337 9249e7e3 2022-05-12 thomas m->delta_compressed_len, ctx);
2338 f9c2e8e5 2022-02-13 thomas if (err)
2339 f9c2e8e5 2022-02-13 thomas goto done;
2340 9249e7e3 2022-05-12 thomas *packfile_size += m->delta_compressed_len;
2341 f9c2e8e5 2022-02-13 thomas free(m->delta_buf);
2342 f9c2e8e5 2022-02-13 thomas m->delta_buf = NULL;
2343 d93dda9a 2022-05-12 thomas } else if (delta_cache_map) {
2344 d93dda9a 2022-05-12 thomas err = deltahdr(packfile_size, ctx, packfile, m);
2345 d93dda9a 2022-05-12 thomas if (err)
2346 d93dda9a 2022-05-12 thomas goto done;
2347 d93dda9a 2022-05-12 thomas err = hcopy_mmap(delta_cache_map, m->delta_offset,
2348 d93dda9a 2022-05-12 thomas delta_cache_size, packfile, m->delta_compressed_len,
2350 d93dda9a 2022-05-12 thomas if (err)
2351 d93dda9a 2022-05-12 thomas goto done;
2352 d93dda9a 2022-05-12 thomas *packfile_size += m->delta_compressed_len;
2353 f9c2e8e5 2022-02-13 thomas } else {
2354 f9c2e8e5 2022-02-13 thomas if (fseeko(delta_cache, m->delta_offset, SEEK_SET)
2355 f9c2e8e5 2022-02-13 thomas == -1) {
2356 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fseeko");
2357 f9c2e8e5 2022-02-13 thomas goto done;
2359 f9c2e8e5 2022-02-13 thomas err = deltahdr(packfile_size, ctx, packfile, m);
2360 f9c2e8e5 2022-02-13 thomas if (err)
2361 f9c2e8e5 2022-02-13 thomas goto done;
2362 9249e7e3 2022-05-12 thomas err = hcopy(delta_cache, packfile,
2363 9249e7e3 2022-05-12 thomas m->delta_compressed_len, ctx);
2364 f9c2e8e5 2022-02-13 thomas if (err)
2365 f9c2e8e5 2022-02-13 thomas goto done;
2366 9249e7e3 2022-05-12 thomas *packfile_size += m->delta_compressed_len;
2369 f9c2e8e5 2022-02-13 thomas if (raw)
2370 f9c2e8e5 2022-02-13 thomas got_object_raw_close(raw);
2371 f9c2e8e5 2022-02-13 thomas return err;
2374 f9c2e8e5 2022-02-13 thomas static const struct got_error *
2375 b79280dd 2021-10-15 thomas genpack(uint8_t *pack_sha1, FILE *packfile, FILE *delta_cache,
2376 f9c2e8e5 2022-02-13 thomas struct got_pack_meta **deltify, int ndeltify,
2377 f9c2e8e5 2022-02-13 thomas struct got_pack_meta **reuse, int nreuse,
2378 85220b0e 2022-03-22 thomas int ncolored, int nfound, int ntrees, int nours,
2379 85220b0e 2022-03-22 thomas struct got_repository *repo,
2380 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
2381 31ba2236 2022-01-05 thomas struct got_ratelimit *rl,
2382 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
2384 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
2386 e6bcace5 2021-06-22 stsp SHA1_CTX ctx;
2387 e6bcace5 2021-06-22 stsp struct got_pack_meta *m;
2388 e4d8ab47 2021-10-15 thomas char buf[32];
2389 e8f02263 2022-01-23 thomas size_t n;
2390 f9c2e8e5 2022-02-13 thomas off_t packfile_size = 0;
2391 ecf9545f 2021-10-15 thomas int outfd = -1;
2392 d93dda9a 2022-05-12 thomas int delta_cache_fd = -1;
2393 d93dda9a 2022-05-12 thomas uint8_t *delta_cache_map = NULL;
2394 d93dda9a 2022-05-12 thomas size_t delta_cache_size = 0;
2396 e6bcace5 2021-06-22 stsp SHA1Init(&ctx);
2398 d93dda9a 2022-05-12 thomas #ifndef GOT_PACK_NO_MMAP
2399 d93dda9a 2022-05-12 thomas delta_cache_fd = dup(fileno(delta_cache));
2400 d93dda9a 2022-05-12 thomas if (delta_cache_fd != -1) {
2401 d93dda9a 2022-05-12 thomas struct stat sb;
2402 d93dda9a 2022-05-12 thomas if (fstat(delta_cache_fd, &sb) == -1) {
2403 d93dda9a 2022-05-12 thomas err = got_error_from_errno("fstat");
2404 d93dda9a 2022-05-12 thomas goto done;
2406 d93dda9a 2022-05-12 thomas if (sb.st_size > 0 && sb.st_size <= SIZE_MAX) {
2407 d93dda9a 2022-05-12 thomas delta_cache_map = mmap(NULL, sb.st_size,
2408 d93dda9a 2022-05-12 thomas PROT_READ, MAP_PRIVATE, delta_cache_fd, 0);
2409 d93dda9a 2022-05-12 thomas if (delta_cache_map == MAP_FAILED) {
2410 d93dda9a 2022-05-12 thomas if (errno != ENOMEM) {
2411 d93dda9a 2022-05-12 thomas err = got_error_from_errno("mmap");
2412 d93dda9a 2022-05-12 thomas goto done;
2414 d93dda9a 2022-05-12 thomas delta_cache_map = NULL; /* fallback on stdio */
2416 d93dda9a 2022-05-12 thomas delta_cache_size = (size_t)sb.st_size;
2420 e6bcace5 2021-06-22 stsp err = hwrite(packfile, "PACK", 4, &ctx);
2422 d93dda9a 2022-05-12 thomas goto done;
2423 e6bcace5 2021-06-22 stsp putbe32(buf, GOT_PACKFILE_VERSION);
2424 e6bcace5 2021-06-22 stsp err = hwrite(packfile, buf, 4, &ctx);
2426 e6bcace5 2021-06-22 stsp goto done;
2427 f9c2e8e5 2022-02-13 thomas putbe32(buf, ndeltify + nreuse);
2428 e6bcace5 2021-06-22 stsp err = hwrite(packfile, buf, 4, &ctx);
2430 e6bcace5 2021-06-22 stsp goto done;
2432 f9c2e8e5 2022-02-13 thomas qsort(deltify, ndeltify, sizeof(struct got_pack_meta *),
2433 f9c2e8e5 2022-02-13 thomas write_order_cmp);
2434 f9c2e8e5 2022-02-13 thomas for (i = 0; i < ndeltify; i++) {
2435 31ba2236 2022-01-05 thomas err = report_progress(progress_cb, progress_arg, rl,
2436 85220b0e 2022-03-22 thomas ncolored, nfound, ntrees, packfile_size, nours,
2437 85220b0e 2022-03-22 thomas ndeltify + nreuse, ndeltify + nreuse, i);
2438 31ba2236 2022-01-05 thomas if (err)
2439 31ba2236 2022-01-05 thomas goto done;
2440 f9c2e8e5 2022-02-13 thomas m = deltify[i];
2441 f9c2e8e5 2022-02-13 thomas err = write_packed_object(&packfile_size, packfile,
2442 d93dda9a 2022-05-12 thomas delta_cache, delta_cache_map, delta_cache_size,
2443 d93dda9a 2022-05-12 thomas m, &outfd, &ctx, repo);
2444 f9c2e8e5 2022-02-13 thomas if (err)
2445 f9c2e8e5 2022-02-13 thomas goto done;
2448 f9c2e8e5 2022-02-13 thomas qsort(reuse, nreuse, sizeof(struct got_pack_meta *),
2449 f9c2e8e5 2022-02-13 thomas reuse_write_order_cmp);
2450 f9c2e8e5 2022-02-13 thomas for (i = 0; i < nreuse; i++) {
2451 f9c2e8e5 2022-02-13 thomas err = report_progress(progress_cb, progress_arg, rl,
2452 85220b0e 2022-03-22 thomas ncolored, nfound, ntrees, packfile_size, nours,
2453 85220b0e 2022-03-22 thomas ndeltify + nreuse, ndeltify + nreuse, ndeltify + i);
2454 f9c2e8e5 2022-02-13 thomas if (err)
2455 f9c2e8e5 2022-02-13 thomas goto done;
2456 f9c2e8e5 2022-02-13 thomas m = reuse[i];
2457 f9c2e8e5 2022-02-13 thomas err = write_packed_object(&packfile_size, packfile,
2458 d93dda9a 2022-05-12 thomas delta_cache, delta_cache_map, delta_cache_size,
2459 d93dda9a 2022-05-12 thomas m, &outfd, &ctx, repo);
2460 f9c2e8e5 2022-02-13 thomas if (err)
2461 f9c2e8e5 2022-02-13 thomas goto done;
2464 e6bcace5 2021-06-22 stsp SHA1Final(pack_sha1, &ctx);
2465 e6bcace5 2021-06-22 stsp n = fwrite(pack_sha1, 1, SHA1_DIGEST_LENGTH, packfile);
2466 e6bcace5 2021-06-22 stsp if (n != SHA1_DIGEST_LENGTH)
2467 e6bcace5 2021-06-22 stsp err = got_ferror(packfile, GOT_ERR_IO);
2468 05118f5a 2021-06-22 stsp packfile_size += SHA1_DIGEST_LENGTH;
2469 dc7edd42 2021-08-22 stsp packfile_size += sizeof(struct got_packfile_hdr);
2470 31ba2236 2022-01-05 thomas if (progress_cb) {
2471 85220b0e 2022-03-22 thomas err = progress_cb(progress_arg, ncolored, nfound, ntrees,
2472 85220b0e 2022-03-22 thomas packfile_size, nours, ndeltify + nreuse,
2473 85220b0e 2022-03-22 thomas ndeltify + nreuse, ndeltify + nreuse);
2474 31ba2236 2022-01-05 thomas if (err)
2475 31ba2236 2022-01-05 thomas goto done;
2478 ecf9545f 2021-10-15 thomas if (outfd != -1 && close(outfd) == -1 && err == NULL)
2479 ecf9545f 2021-10-15 thomas err = got_error_from_errno("close");
2480 d93dda9a 2022-05-12 thomas if (delta_cache_map && munmap(delta_cache_map, delta_cache_size) == -1)
2481 d93dda9a 2022-05-12 thomas err = got_error_from_errno("munmap");
2482 d93dda9a 2022-05-12 thomas if (delta_cache_fd != -1 && close(delta_cache_fd) == -1 && err == NULL)
2483 d93dda9a 2022-05-12 thomas err = got_error_from_errno("close");
2484 e6bcace5 2021-06-22 stsp return err;
2487 f9c2e8e5 2022-02-13 thomas static const struct got_error *
2488 f9c2e8e5 2022-02-13 thomas add_meta_idset_cb(struct got_object_id *id, void *data, void *arg)
2490 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m = data;
2491 f9c2e8e5 2022-02-13 thomas struct got_pack_metavec *v = arg;
2493 6c0788af 2022-05-31 thomas if (m->reused_delta_offset != 0)
2494 f291ef1f 2022-05-12 thomas return NULL;
2496 f9c2e8e5 2022-02-13 thomas return add_meta(m, v);
2499 e6bcace5 2021-06-22 stsp const struct got_error *
2500 e6bcace5 2021-06-22 stsp got_pack_create(uint8_t *packsha1, FILE *packfile,
2501 e6bcace5 2021-06-22 stsp struct got_object_id **theirs, int ntheirs,
2502 e6bcace5 2021-06-22 stsp struct got_object_id **ours, int nours,
2503 f8a36e22 2021-08-26 stsp struct got_repository *repo, int loose_obj_only, int allow_empty,
2504 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
2505 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
2507 e6bcace5 2021-06-22 stsp const struct got_error *err;
2508 f9c2e8e5 2022-02-13 thomas int delta_cache_fd = -1;
2509 b79280dd 2021-10-15 thomas FILE *delta_cache = NULL;
2510 f9c2e8e5 2022-02-13 thomas struct got_object_idset *idset;
2511 31ba2236 2022-01-05 thomas struct got_ratelimit rl;
2512 f9c2e8e5 2022-02-13 thomas struct got_pack_metavec deltify, reuse;
2513 85220b0e 2022-03-22 thomas int ncolored = 0, nfound = 0, ntrees = 0;
2514 f291ef1f 2022-05-12 thomas size_t ndeltify;
2515 cc524d36 2022-05-31 thomas uint32_t seed;
2517 cc524d36 2022-05-31 thomas seed = arc4random();
2519 f9c2e8e5 2022-02-13 thomas memset(&deltify, 0, sizeof(deltify));
2520 f9c2e8e5 2022-02-13 thomas memset(&reuse, 0, sizeof(reuse));
2522 31ba2236 2022-01-05 thomas got_ratelimit_init(&rl, 0, 500);
2524 f9c2e8e5 2022-02-13 thomas idset = got_object_idset_alloc();
2525 f9c2e8e5 2022-02-13 thomas if (idset == NULL)
2526 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("got_object_idset_alloc");
2528 85220b0e 2022-03-22 thomas err = load_object_ids(&ncolored, &nfound, &ntrees, idset, theirs,
2529 cc524d36 2022-05-31 thomas ntheirs, ours, nours, repo, seed, loose_obj_only,
2530 85220b0e 2022-03-22 thomas progress_cb, progress_arg, &rl, cancel_cb, cancel_arg);
2532 20c6bdb6 2022-05-19 thomas goto done;
2534 f9a643e8 2022-02-13 thomas if (progress_cb) {
2535 85220b0e 2022-03-22 thomas err = progress_cb(progress_arg, ncolored, nfound, ntrees,
2536 85220b0e 2022-03-22 thomas 0L, nours, got_object_idset_num_elements(idset), 0, 0);
2537 f9a643e8 2022-02-13 thomas if (err)
2538 f9a643e8 2022-02-13 thomas goto done;
2541 f9c2e8e5 2022-02-13 thomas if (got_object_idset_num_elements(idset) == 0 && !allow_empty) {
2542 05118f5a 2021-06-22 stsp err = got_error(GOT_ERR_CANNOT_PACK);
2543 05118f5a 2021-06-22 stsp goto done;
2546 f9c2e8e5 2022-02-13 thomas delta_cache_fd = got_opentempfd();
2547 f9c2e8e5 2022-02-13 thomas if (delta_cache_fd == -1) {
2548 b79280dd 2021-10-15 thomas err = got_error_from_errno("got_opentemp");
2549 b79280dd 2021-10-15 thomas goto done;
2552 f9c2e8e5 2022-02-13 thomas reuse.metasz = 64;
2553 f9c2e8e5 2022-02-13 thomas reuse.meta = calloc(reuse.metasz,
2554 f9c2e8e5 2022-02-13 thomas sizeof(struct got_pack_meta *));
2555 f9c2e8e5 2022-02-13 thomas if (reuse.meta == NULL) {
2556 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("calloc");
2557 f9c2e8e5 2022-02-13 thomas goto done;
2560 85220b0e 2022-03-22 thomas err = search_deltas(&reuse, idset, delta_cache_fd, ncolored, nfound,
2561 85220b0e 2022-03-22 thomas ntrees, nours, repo, progress_cb, progress_arg, &rl,
2562 85220b0e 2022-03-22 thomas cancel_cb, cancel_arg);
2563 f9c2e8e5 2022-02-13 thomas if (err)
2564 f9c2e8e5 2022-02-13 thomas goto done;
2566 f9c2e8e5 2022-02-13 thomas delta_cache = fdopen(delta_cache_fd, "a+");
2567 f9c2e8e5 2022-02-13 thomas if (delta_cache == NULL) {
2568 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fdopen");
2569 f9c2e8e5 2022-02-13 thomas goto done;
2571 f9c2e8e5 2022-02-13 thomas delta_cache_fd = -1;
2573 f9c2e8e5 2022-02-13 thomas if (fseeko(delta_cache, 0L, SEEK_END) == -1) {
2574 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fseeko");
2575 f9c2e8e5 2022-02-13 thomas goto done;
2578 f291ef1f 2022-05-12 thomas ndeltify = got_object_idset_num_elements(idset) - reuse.nmeta;
2579 f291ef1f 2022-05-12 thomas if (ndeltify > 0) {
2580 f291ef1f 2022-05-12 thomas deltify.meta = calloc(ndeltify, sizeof(struct got_pack_meta *));
2581 f291ef1f 2022-05-12 thomas if (deltify.meta == NULL) {
2582 f291ef1f 2022-05-12 thomas err = got_error_from_errno("calloc");
2583 f291ef1f 2022-05-12 thomas goto done;
2585 f291ef1f 2022-05-12 thomas deltify.metasz = ndeltify;
2587 f291ef1f 2022-05-12 thomas err = got_object_idset_for_each(idset, add_meta_idset_cb,
2588 f291ef1f 2022-05-12 thomas &deltify);
2590 f8a36e22 2021-08-26 stsp goto done;
2591 f291ef1f 2022-05-12 thomas if (deltify.nmeta > 0) {
2592 f291ef1f 2022-05-12 thomas err = pick_deltas(deltify.meta, deltify.nmeta,
2593 f291ef1f 2022-05-12 thomas ncolored, nfound, ntrees, nours, reuse.nmeta,
2594 f291ef1f 2022-05-12 thomas delta_cache, repo, progress_cb, progress_arg, &rl,
2595 f291ef1f 2022-05-12 thomas cancel_cb, cancel_arg);
2596 f291ef1f 2022-05-12 thomas if (err)
2597 f291ef1f 2022-05-12 thomas goto done;
2601 9249e7e3 2022-05-12 thomas if (fflush(delta_cache) == EOF) {
2602 9249e7e3 2022-05-12 thomas err = got_error_from_errno("fflush");
2603 9249e7e3 2022-05-12 thomas goto done;
2605 f9c2e8e5 2022-02-13 thomas err = genpack(packsha1, packfile, delta_cache, deltify.meta,
2606 85220b0e 2022-03-22 thomas deltify.nmeta, reuse.meta, reuse.nmeta, ncolored, nfound, ntrees,
2607 85220b0e 2022-03-22 thomas nours, repo, progress_cb, progress_arg, &rl,
2608 85220b0e 2022-03-22 thomas cancel_cb, cancel_arg);
2610 e6bcace5 2021-06-22 stsp goto done;
2612 f9c2e8e5 2022-02-13 thomas free_nmeta(deltify.meta, deltify.nmeta);
2613 f9c2e8e5 2022-02-13 thomas free_nmeta(reuse.meta, reuse.nmeta);
2614 f9c2e8e5 2022-02-13 thomas got_object_idset_free(idset);
2615 f9c2e8e5 2022-02-13 thomas if (delta_cache_fd != -1 && close(delta_cache_fd) == -1 && err == NULL)
2616 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("close");
2617 b79280dd 2021-10-15 thomas if (delta_cache && fclose(delta_cache) == EOF && err == NULL)
2618 b79280dd 2021-10-15 thomas err = got_error_from_errno("fclose");
2619 e6bcace5 2021-06-22 stsp return err;
