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 7d0d4920 2022-05-12 thomas static const struct got_error *
565 7d0d4920 2022-05-12 thomas recv_reused_delta(struct got_imsg_reused_delta *delta,
566 7d0d4920 2022-05-12 thomas struct got_object_idset *idset, struct got_pack_metavec *v)
568 7d0d4920 2022-05-12 thomas struct got_pack_meta *m, *base;
570 7d0d4920 2022-05-12 thomas if (delta->delta_offset + delta->delta_size < delta->delta_offset ||
571 7d0d4920 2022-05-12 thomas delta->delta_offset +
572 7d0d4920 2022-05-12 thomas delta->delta_compressed_size < delta->delta_offset)
573 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_BAD_PACKFILE);
575 7d0d4920 2022-05-12 thomas m = got_object_idset_get(idset, &delta->id);
576 7d0d4920 2022-05-12 thomas if (m == NULL)
577 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_OBJ);
579 7d0d4920 2022-05-12 thomas base = got_object_idset_get(idset, &delta->base_id);
580 7d0d4920 2022-05-12 thomas if (base == NULL)
581 7d0d4920 2022-05-12 thomas return got_error(GOT_ERR_NO_OBJ);
583 7d0d4920 2022-05-12 thomas m->delta_len = delta->delta_size;
584 7d0d4920 2022-05-12 thomas m->delta_compressed_len = delta->delta_compressed_size;
585 7d0d4920 2022-05-12 thomas m->delta_offset = delta->delta_out_offset;
586 7d0d4920 2022-05-12 thomas m->prev = base;
587 7d0d4920 2022-05-12 thomas m->size = delta->result_size;
588 7d0d4920 2022-05-12 thomas m->reused_delta_offset = delta->delta_offset;
589 7d0d4920 2022-05-12 thomas m->base_obj_id = got_object_id_dup(&delta->base_id);
590 7d0d4920 2022-05-12 thomas if (m->base_obj_id == NULL)
591 7d0d4920 2022-05-12 thomas return got_error_from_errno("got_object_id_dup");
593 7d0d4920 2022-05-12 thomas return add_meta(m, v);
596 f9c2e8e5 2022-02-13 thomas static const struct got_error *
597 f9c2e8e5 2022-02-13 thomas search_deltas(struct got_pack_metavec *v, struct got_object_idset *idset,
598 85220b0e 2022-03-22 thomas int delta_cache_fd, int ncolored, int nfound, int ntrees, int ncommits,
599 85220b0e 2022-03-22 thomas struct got_repository *repo,
600 f9c2e8e5 2022-02-13 thomas got_pack_progress_cb progress_cb, void *progress_arg,
601 f9c2e8e5 2022-02-13 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
603 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
604 f9c2e8e5 2022-02-13 thomas struct got_packidx *packidx;
605 f9c2e8e5 2022-02-13 thomas struct got_pack *pack;
606 7d0d4920 2022-05-12 thomas struct send_id_arg sia;
607 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta deltas[GOT_IMSG_REUSED_DELTAS_MAX_NDELTAS];
608 7d0d4920 2022-05-12 thomas size_t ndeltas, i;
610 f9c2e8e5 2022-02-13 thomas err = find_pack_for_reuse(&packidx, repo);
612 f9c2e8e5 2022-02-13 thomas return err;
614 f9c2e8e5 2022-02-13 thomas if (packidx == NULL)
615 f9c2e8e5 2022-02-13 thomas return NULL;
617 7d0d4920 2022-05-12 thomas err = got_object_prepare_delta_reuse(&pack, packidx,
618 7d0d4920 2022-05-12 thomas delta_cache_fd, repo);
620 f9c2e8e5 2022-02-13 thomas return err;
622 7d0d4920 2022-05-12 thomas memset(&sia, 0, sizeof(sia));
623 7d0d4920 2022-05-12 thomas sia.ibuf = pack->privsep_child->ibuf;
624 7d0d4920 2022-05-12 thomas err = got_object_idset_for_each(idset, send_id, &sia);
626 7d0d4920 2022-05-12 thomas return err;
627 7d0d4920 2022-05-12 thomas if (sia.nids > 0) {
628 7d0d4920 2022-05-12 thomas err = got_privsep_send_object_idlist(pack->privsep_child->ibuf,
629 7d0d4920 2022-05-12 thomas sia.ids, sia.nids);
631 7d0d4920 2022-05-12 thomas return err;
633 7d0d4920 2022-05-12 thomas err = got_privsep_send_object_idlist_done(pack->privsep_child->ibuf);
635 7d0d4920 2022-05-12 thomas return err;
637 7d0d4920 2022-05-12 thomas for (;;) {
638 7d0d4920 2022-05-12 thomas int done = 0;
640 7d0d4920 2022-05-12 thomas if (cancel_cb) {
641 7d0d4920 2022-05-12 thomas err = (*cancel_cb)(cancel_arg);
646 7d0d4920 2022-05-12 thomas err = got_privsep_recv_reused_deltas(&done, deltas, &ndeltas,
647 7d0d4920 2022-05-12 thomas pack->privsep_child->ibuf);
648 7d0d4920 2022-05-12 thomas if (err || done)
651 7d0d4920 2022-05-12 thomas for (i = 0; i < ndeltas; i++) {
652 7d0d4920 2022-05-12 thomas struct got_imsg_reused_delta *delta = &deltas[i];
653 7d0d4920 2022-05-12 thomas err = recv_reused_delta(delta, idset, v);
655 7d0d4920 2022-05-12 thomas goto done;
658 7d0d4920 2022-05-12 thomas err = report_progress(progress_cb, progress_arg, rl,
659 7d0d4920 2022-05-12 thomas ncolored, nfound, ntrees, 0L, ncommits,
660 7d0d4920 2022-05-12 thomas got_object_idset_num_elements(idset), v->nmeta, 0);
665 f9c2e8e5 2022-02-13 thomas return err;
668 f9c2e8e5 2022-02-13 thomas static const struct got_error *
669 85220b0e 2022-03-22 thomas pick_deltas(struct got_pack_meta **meta, int nmeta, int ncolored,
670 85220b0e 2022-03-22 thomas int nfound, int ntrees, int ncommits, int nreused, FILE *delta_cache,
671 85220b0e 2022-03-22 thomas struct got_repository *repo,
672 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
673 31ba2236 2022-01-05 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
675 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
676 e6bcace5 2021-06-22 stsp struct got_pack_meta *m = NULL, *base = NULL;
677 e6bcace5 2021-06-22 stsp struct got_raw_object *raw = NULL, *base_raw = NULL;
678 b79280dd 2021-10-15 thomas struct got_delta_instruction *deltas = NULL, *best_deltas = NULL;
679 3b6ceab7 2022-01-10 thomas int i, j, ndeltas, best_ndeltas;
680 3b6ceab7 2022-01-10 thomas off_t size, best_size;
681 959daf23 2021-10-29 thomas const int max_base_candidates = 3;
682 510885f7 2022-01-10 thomas size_t delta_memsize = 0;
683 1569c56d 2022-05-31 thomas const size_t max_delta_memsize = 4 * GOT_DELTA_RESULT_SIZE_CACHED_MAX;
684 ecf9545f 2021-10-15 thomas int outfd = -1;
685 cc524d36 2022-05-31 thomas uint32_t delta_seed;
687 cc524d36 2022-05-31 thomas delta_seed = arc4random();
689 e6bcace5 2021-06-22 stsp qsort(meta, nmeta, sizeof(struct got_pack_meta *), delta_order_cmp);
690 e6bcace5 2021-06-22 stsp for (i = 0; i < nmeta; i++) {
691 e6bcace5 2021-06-22 stsp if (cancel_cb) {
692 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
696 31ba2236 2022-01-05 thomas err = report_progress(progress_cb, progress_arg, rl,
697 85220b0e 2022-03-22 thomas ncolored, nfound, ntrees, 0L, ncommits, nreused + nmeta,
698 85220b0e 2022-03-22 thomas nreused + i, 0);
700 31ba2236 2022-01-05 thomas goto done;
701 e6bcace5 2021-06-22 stsp m = meta[i];
703 e6bcace5 2021-06-22 stsp if (m->obj_type == GOT_OBJ_TYPE_COMMIT ||
704 e6bcace5 2021-06-22 stsp m->obj_type == GOT_OBJ_TYPE_TAG)
707 f8bb1d3e 2021-10-17 thomas err = got_object_raw_open(&raw, &outfd, repo, &m->id);
710 ab6186ae 2021-10-15 thomas m->size = raw->size;
712 2b0ae357 2022-01-10 thomas if (raw->f == NULL) {
713 2b0ae357 2022-01-10 thomas err = got_deltify_init_mem(&m->dtab, raw->data,
714 cc524d36 2022-05-31 thomas raw->hdrlen, raw->size + raw->hdrlen, delta_seed);
716 2b0ae357 2022-01-10 thomas err = got_deltify_init(&m->dtab, raw->f, raw->hdrlen,
717 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed);
722 e6bcace5 2021-06-22 stsp if (i > max_base_candidates) {
723 e6bcace5 2021-06-22 stsp struct got_pack_meta *n = NULL;
724 e6bcace5 2021-06-22 stsp n = meta[i - (max_base_candidates + 1)];
725 e6bcace5 2021-06-22 stsp got_deltify_free(n->dtab);
726 e6bcace5 2021-06-22 stsp n->dtab = NULL;
729 b79280dd 2021-10-15 thomas best_size = raw->size;
730 b79280dd 2021-10-15 thomas best_ndeltas = 0;
731 e6bcace5 2021-06-22 stsp for (j = MAX(0, i - max_base_candidates); j < i; j++) {
732 e6bcace5 2021-06-22 stsp if (cancel_cb) {
733 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
737 e6bcace5 2021-06-22 stsp base = meta[j];
738 e6bcace5 2021-06-22 stsp /* long chains make unpacking slow, avoid such bases */
739 62a05ae9 2021-10-29 thomas if (base->nchain >= 128 ||
740 e6bcace5 2021-06-22 stsp base->obj_type != m->obj_type)
743 8ab9215c 2021-10-15 thomas err = got_object_raw_open(&base_raw, &outfd, repo,
744 f8bb1d3e 2021-10-17 thomas &base->id);
748 2b0ae357 2022-01-10 thomas if (raw->f == NULL && base_raw->f == NULL) {
749 2b0ae357 2022-01-10 thomas err = got_deltify_mem_mem(&deltas, &ndeltas,
750 2b0ae357 2022-01-10 thomas raw->data, raw->hdrlen,
751 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
752 2b0ae357 2022-01-10 thomas base->dtab, base_raw->data,
753 2b0ae357 2022-01-10 thomas base_raw->hdrlen,
754 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
755 2b0ae357 2022-01-10 thomas } else if (raw->f == NULL) {
756 2b0ae357 2022-01-10 thomas err = got_deltify_mem_file(&deltas, &ndeltas,
757 2b0ae357 2022-01-10 thomas raw->data, raw->hdrlen,
758 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
759 2b0ae357 2022-01-10 thomas base->dtab, base_raw->f,
760 2b0ae357 2022-01-10 thomas base_raw->hdrlen,
761 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
762 2b0ae357 2022-01-10 thomas } else if (base_raw->f == NULL) {
763 2b0ae357 2022-01-10 thomas err = got_deltify_file_mem(&deltas, &ndeltas,
764 2b0ae357 2022-01-10 thomas raw->f, raw->hdrlen,
765 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
766 2b0ae357 2022-01-10 thomas base->dtab, base_raw->data,
767 2b0ae357 2022-01-10 thomas base_raw->hdrlen,
768 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
770 2b0ae357 2022-01-10 thomas err = got_deltify(&deltas, &ndeltas,
771 2b0ae357 2022-01-10 thomas raw->f, raw->hdrlen,
772 cc524d36 2022-05-31 thomas raw->size + raw->hdrlen, delta_seed,
773 2b0ae357 2022-01-10 thomas base->dtab, base_raw->f, base_raw->hdrlen,
774 2b0ae357 2022-01-10 thomas base_raw->size + base_raw->hdrlen);
776 e6bcace5 2021-06-22 stsp got_object_raw_close(base_raw);
777 e6bcace5 2021-06-22 stsp base_raw = NULL;
781 e6bcace5 2021-06-22 stsp size = delta_size(deltas, ndeltas);
782 b79280dd 2021-10-15 thomas if (size + 32 < best_size){
784 e6bcace5 2021-06-22 stsp * if we already picked a best delta,
785 e6bcace5 2021-06-22 stsp * replace it.
787 b79280dd 2021-10-15 thomas best_size = size;
788 b79280dd 2021-10-15 thomas free(best_deltas);
789 b79280dd 2021-10-15 thomas best_deltas = deltas;
790 b79280dd 2021-10-15 thomas best_ndeltas = ndeltas;
791 b79280dd 2021-10-15 thomas deltas = NULL;
792 e6bcace5 2021-06-22 stsp m->nchain = base->nchain + 1;
793 e6bcace5 2021-06-22 stsp m->prev = base;
794 e6bcace5 2021-06-22 stsp m->head = base->head;
795 e6bcace5 2021-06-22 stsp if (m->head == NULL)
796 e6bcace5 2021-06-22 stsp m->head = base;
798 e6bcace5 2021-06-22 stsp free(deltas);
799 e6bcace5 2021-06-22 stsp deltas = NULL;
800 e6bcace5 2021-06-22 stsp ndeltas = 0;
804 b79280dd 2021-10-15 thomas if (best_ndeltas > 0) {
805 510885f7 2022-01-10 thomas if (best_size <= GOT_DELTA_RESULT_SIZE_CACHED_MAX &&
806 510885f7 2022-01-10 thomas delta_memsize + best_size <= max_delta_memsize) {
807 510885f7 2022-01-10 thomas delta_memsize += best_size;
808 3b6ceab7 2022-01-10 thomas err = encode_delta_in_mem(m, raw, best_deltas,
809 3b6ceab7 2022-01-10 thomas best_ndeltas, best_size, m->prev->size);
811 3b6ceab7 2022-01-10 thomas m->delta_offset = ftello(delta_cache);
812 3b6ceab7 2022-01-10 thomas err = encode_delta(m, raw, best_deltas,
813 3b6ceab7 2022-01-10 thomas best_ndeltas, m->prev->size, delta_cache);
815 b79280dd 2021-10-15 thomas free(best_deltas);
816 b79280dd 2021-10-15 thomas best_deltas = NULL;
817 b79280dd 2021-10-15 thomas best_ndeltas = 0;
819 b79280dd 2021-10-15 thomas goto done;
822 e6bcace5 2021-06-22 stsp got_object_raw_close(raw);
823 e6bcace5 2021-06-22 stsp raw = NULL;
826 e6bcace5 2021-06-22 stsp for (i = MAX(0, nmeta - max_base_candidates); i < nmeta; i++) {
827 e6bcace5 2021-06-22 stsp got_deltify_free(meta[i]->dtab);
828 e6bcace5 2021-06-22 stsp meta[i]->dtab = NULL;
831 e6bcace5 2021-06-22 stsp got_object_raw_close(raw);
832 e6bcace5 2021-06-22 stsp if (base_raw)
833 e6bcace5 2021-06-22 stsp got_object_raw_close(base_raw);
834 ecf9545f 2021-10-15 thomas if (outfd != -1 && close(outfd) == -1 && err == NULL)
835 ecf9545f 2021-10-15 thomas err = got_error_from_errno("close");
836 b79280dd 2021-10-15 thomas free(deltas);
837 b79280dd 2021-10-15 thomas free(best_deltas);
838 e6bcace5 2021-06-22 stsp return err;
841 e6bcace5 2021-06-22 stsp static const struct got_error *
842 05118f5a 2021-06-22 stsp search_packidx(int *found, struct got_object_id *id,
843 05118f5a 2021-06-22 stsp struct got_repository *repo)
845 05118f5a 2021-06-22 stsp const struct got_error *err = NULL;
846 05118f5a 2021-06-22 stsp struct got_packidx *packidx = NULL;
849 05118f5a 2021-06-22 stsp *found = 0;
851 05118f5a 2021-06-22 stsp err = got_repo_search_packidx(&packidx, &idx, repo, id);
852 05118f5a 2021-06-22 stsp if (err == NULL)
853 05118f5a 2021-06-22 stsp *found = 1; /* object is already packed */
854 05118f5a 2021-06-22 stsp else if (err->code == GOT_ERR_NO_OBJ)
855 05118f5a 2021-06-22 stsp err = NULL;
856 05118f5a 2021-06-22 stsp return err;
859 05118f5a 2021-06-22 stsp static const struct got_error *
860 f9c2e8e5 2022-02-13 thomas add_object(int want_meta, struct got_object_idset *idset,
861 e6bcace5 2021-06-22 stsp struct got_object_id *id, const char *path, int obj_type,
862 cc524d36 2022-05-31 thomas time_t mtime, uint32_t seed, int loose_obj_only,
863 cc524d36 2022-05-31 thomas struct got_repository *repo, int *ncolored, int *nfound, int *ntrees,
864 78a00876 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
865 78a00876 2022-03-22 thomas struct got_ratelimit *rl)
867 e6bcace5 2021-06-22 stsp const struct got_error *err;
868 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m = NULL;
870 05118f5a 2021-06-22 stsp if (loose_obj_only) {
871 05118f5a 2021-06-22 stsp int is_packed;
872 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
874 05118f5a 2021-06-22 stsp return err;
875 a605f678 2022-03-22 thomas if (is_packed && want_meta)
876 05118f5a 2021-06-22 stsp return NULL;
879 f9c2e8e5 2022-02-13 thomas if (want_meta) {
880 cc524d36 2022-05-31 thomas err = alloc_meta(&m, id, path, obj_type, mtime, seed);
882 78a00876 2022-03-22 thomas return err;
884 78a00876 2022-03-22 thomas (*nfound)++;
885 78a00876 2022-03-22 thomas err = report_progress(progress_cb, progress_arg, rl,
886 78a00876 2022-03-22 thomas *ncolored, *nfound, *ntrees, 0L, 0, 0, 0, 0);
887 ee7b409c 2022-04-16 thomas if (err) {
888 ee7b409c 2022-04-16 thomas clear_meta(m);
890 f9c2e8e5 2022-02-13 thomas return err;
894 ee7b409c 2022-04-16 thomas err = got_object_idset_add(idset, id, m);
895 ee7b409c 2022-04-16 thomas if (err) {
896 ee7b409c 2022-04-16 thomas clear_meta(m);
899 ee7b409c 2022-04-16 thomas return err;
902 e6bcace5 2021-06-22 stsp static const struct got_error *
903 f9c2e8e5 2022-02-13 thomas load_tree_entries(struct got_object_id_queue *ids, int want_meta,
904 7afbdbad 2022-05-12 thomas struct got_object_idset *idset, struct got_object_idset *idset_exclude,
905 7afbdbad 2022-05-12 thomas struct got_object_id *tree_id,
906 cc524d36 2022-05-31 thomas const char *dpath, time_t mtime, uint32_t seed, struct got_repository *repo,
907 85220b0e 2022-03-22 thomas int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
908 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
909 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
911 e6bcace5 2021-06-22 stsp const struct got_error *err;
912 e6bcace5 2021-06-22 stsp struct got_tree_object *tree;
913 e6bcace5 2021-06-22 stsp char *p = NULL;
916 e6bcace5 2021-06-22 stsp err = got_object_open_as_tree(&tree, repo, tree_id);
918 85220b0e 2022-03-22 thomas return err;
920 85220b0e 2022-03-22 thomas (*ntrees)++;
921 85220b0e 2022-03-22 thomas err = report_progress(progress_cb, progress_arg, rl,
922 85220b0e 2022-03-22 thomas *ncolored, *nfound, *ntrees, 0L, 0, 0, 0, 0);
924 e6bcace5 2021-06-22 stsp return err;
926 e6bcace5 2021-06-22 stsp for (i = 0; i < got_object_tree_get_nentries(tree); i++) {
927 e6bcace5 2021-06-22 stsp struct got_tree_entry *e = got_object_tree_get_entry(tree, i);
928 e6bcace5 2021-06-22 stsp struct got_object_id *id = got_tree_entry_get_id(e);
929 e6bcace5 2021-06-22 stsp mode_t mode = got_tree_entry_get_mode(e);
931 e6bcace5 2021-06-22 stsp if (cancel_cb) {
932 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
937 08511b5e 2021-09-24 thomas if (got_object_tree_entry_is_submodule(e) ||
938 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset, id) ||
939 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, id))
942 e6bcace5 2021-06-22 stsp if (asprintf(&p, "%s%s%s", dpath, dpath[0] != '\0' ? "/" : "",
943 e6bcace5 2021-06-22 stsp got_tree_entry_get_name(e)) == -1) {
944 e6bcace5 2021-06-22 stsp err = got_error_from_errno("asprintf");
948 e6bcace5 2021-06-22 stsp if (S_ISDIR(mode)) {
949 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
950 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, id);
953 eee114b4 2022-05-31 thomas qid->data = p;
954 eee114b4 2022-05-31 thomas p = NULL;
955 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(ids, qid, entry);
956 08511b5e 2021-09-24 thomas } else if (S_ISREG(mode) || S_ISLNK(mode)) {
957 7afbdbad 2022-05-12 thomas err = add_object(want_meta,
958 7afbdbad 2022-05-12 thomas want_meta ? idset : idset_exclude, id, p,
959 cc524d36 2022-05-31 thomas GOT_OBJ_TYPE_BLOB, mtime, seed, loose_obj_only,
960 cc524d36 2022-05-31 thomas repo, ncolored, nfound, ntrees,
961 78a00876 2022-03-22 thomas progress_cb, progress_arg, rl);
965 eee114b4 2022-05-31 thomas p = NULL;
968 eee114b4 2022-05-31 thomas p = NULL;
972 e6bcace5 2021-06-22 stsp got_object_tree_close(tree);
974 e6bcace5 2021-06-22 stsp return err;
977 e6bcace5 2021-06-22 stsp static const struct got_error *
978 f9c2e8e5 2022-02-13 thomas load_tree(int want_meta, struct got_object_idset *idset,
979 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude,
980 e6bcace5 2021-06-22 stsp struct got_object_id *tree_id, const char *dpath, time_t mtime,
981 cc524d36 2022-05-31 thomas uint32_t seed, struct got_repository *repo, int loose_obj_only,
982 85220b0e 2022-03-22 thomas int *ncolored, int *nfound, int *ntrees,
983 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
984 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
986 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
987 e6bcace5 2021-06-22 stsp struct got_object_id_queue tree_ids;
988 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
990 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, tree_id) ||
991 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, tree_id))
992 e6bcace5 2021-06-22 stsp return NULL;
994 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, tree_id);
996 eee114b4 2022-05-31 thomas return err;
997 eee114b4 2022-05-31 thomas qid->data = strdup(dpath);
998 eee114b4 2022-05-31 thomas if (qid->data == NULL) {
999 eee114b4 2022-05-31 thomas err = got_error_from_errno("strdup");
1000 eee114b4 2022-05-31 thomas got_object_qid_free(qid);
1001 e6bcace5 2021-06-22 stsp return err;
1004 dbdddfee 2021-06-23 naddy STAILQ_INIT(&tree_ids);
1005 dbdddfee 2021-06-23 naddy STAILQ_INSERT_TAIL(&tree_ids, qid, entry);
1007 dbdddfee 2021-06-23 naddy while (!STAILQ_EMPTY(&tree_ids)) {
1008 eee114b4 2022-05-31 thomas const char *path;
1009 e6bcace5 2021-06-22 stsp if (cancel_cb) {
1010 e6bcace5 2021-06-22 stsp err = (*cancel_cb)(cancel_arg);
1015 dbdddfee 2021-06-23 naddy qid = STAILQ_FIRST(&tree_ids);
1016 dbdddfee 2021-06-23 naddy STAILQ_REMOVE_HEAD(&tree_ids, entry);
1017 eee114b4 2022-05-31 thomas path = qid->data;
1019 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, &qid->id) ||
1020 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, &qid->id)) {
1021 eee114b4 2022-05-31 thomas free(qid->data);
1022 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1026 7afbdbad 2022-05-12 thomas err = add_object(want_meta, want_meta ? idset : idset_exclude,
1027 eee114b4 2022-05-31 thomas &qid->id, path, GOT_OBJ_TYPE_TREE,
1028 cc524d36 2022-05-31 thomas mtime, seed, loose_obj_only, repo,
1029 78a00876 2022-03-22 thomas ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1030 e6bcace5 2021-06-22 stsp if (err) {
1031 eee114b4 2022-05-31 thomas free(qid->data);
1032 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1036 7afbdbad 2022-05-12 thomas err = load_tree_entries(&tree_ids, want_meta, idset,
1037 7afbdbad 2022-05-12 thomas idset_exclude, &qid->id,
1038 cc524d36 2022-05-31 thomas path, mtime, seed, repo, loose_obj_only, ncolored, nfound,
1039 85220b0e 2022-03-22 thomas ntrees, progress_cb, progress_arg, rl,
1040 85220b0e 2022-03-22 thomas cancel_cb, cancel_arg);
1041 eee114b4 2022-05-31 thomas free(qid->data);
1042 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1047 eee114b4 2022-05-31 thomas STAILQ_FOREACH(qid, &tree_ids, entry)
1048 eee114b4 2022-05-31 thomas free(qid->data);
1049 e6bcace5 2021-06-22 stsp got_object_id_queue_free(&tree_ids);
1050 e6bcace5 2021-06-22 stsp return err;
1053 e6bcace5 2021-06-22 stsp static const struct got_error *
1054 f9c2e8e5 2022-02-13 thomas load_commit(int want_meta, struct got_object_idset *idset,
1055 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude,
1056 cc524d36 2022-05-31 thomas struct got_object_id *id, struct got_repository *repo, uint32_t seed,
1057 cc524d36 2022-05-31 thomas int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
1058 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1059 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1061 e6bcace5 2021-06-22 stsp const struct got_error *err;
1062 e6bcace5 2021-06-22 stsp struct got_commit_object *commit;
1064 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, id) ||
1065 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, id))
1066 e6bcace5 2021-06-22 stsp return NULL;
1068 05118f5a 2021-06-22 stsp if (loose_obj_only) {
1069 05118f5a 2021-06-22 stsp int is_packed;
1070 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
1072 05118f5a 2021-06-22 stsp return err;
1073 a605f678 2022-03-22 thomas if (is_packed && want_meta)
1074 05118f5a 2021-06-22 stsp return NULL;
1077 e6bcace5 2021-06-22 stsp err = got_object_open_as_commit(&commit, repo, id);
1079 e6bcace5 2021-06-22 stsp return err;
1081 7afbdbad 2022-05-12 thomas err = add_object(want_meta, want_meta ? idset : idset_exclude,
1082 7afbdbad 2022-05-12 thomas id, "", GOT_OBJ_TYPE_COMMIT,
1083 cc524d36 2022-05-31 thomas got_object_commit_get_committer_time(commit), seed,
1084 78a00876 2022-03-22 thomas loose_obj_only, repo,
1085 78a00876 2022-03-22 thomas ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1087 e6bcace5 2021-06-22 stsp goto done;
1089 7afbdbad 2022-05-12 thomas err = load_tree(want_meta, idset, idset_exclude,
1090 7afbdbad 2022-05-12 thomas got_object_commit_get_tree_id(commit),
1091 cc524d36 2022-05-31 thomas "", got_object_commit_get_committer_time(commit), seed,
1092 85220b0e 2022-03-22 thomas repo, loose_obj_only, ncolored, nfound, ntrees,
1093 85220b0e 2022-03-22 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1095 e6bcace5 2021-06-22 stsp got_object_commit_close(commit);
1096 e6bcace5 2021-06-22 stsp return err;
1099 05118f5a 2021-06-22 stsp static const struct got_error *
1100 f9c2e8e5 2022-02-13 thomas load_tag(int want_meta, struct got_object_idset *idset,
1101 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude,
1102 cc524d36 2022-05-31 thomas struct got_object_id *id, struct got_repository *repo, uint32_t seed,
1103 cc524d36 2022-05-31 thomas int loose_obj_only, int *ncolored, int *nfound, int *ntrees,
1104 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1105 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1107 05118f5a 2021-06-22 stsp const struct got_error *err;
1108 05118f5a 2021-06-22 stsp struct got_tag_object *tag = NULL;
1110 7afbdbad 2022-05-12 thomas if (got_object_idset_contains(idset, id) ||
1111 7afbdbad 2022-05-12 thomas got_object_idset_contains(idset_exclude, id))
1112 05118f5a 2021-06-22 stsp return NULL;
1114 05118f5a 2021-06-22 stsp if (loose_obj_only) {
1115 05118f5a 2021-06-22 stsp int is_packed;
1116 05118f5a 2021-06-22 stsp err = search_packidx(&is_packed, id, repo);
1118 05118f5a 2021-06-22 stsp return err;
1119 a605f678 2022-03-22 thomas if (is_packed && want_meta)
1120 05118f5a 2021-06-22 stsp return NULL;
1123 05118f5a 2021-06-22 stsp err = got_object_open_as_tag(&tag, repo, id);
1125 05118f5a 2021-06-22 stsp return err;
1127 7afbdbad 2022-05-12 thomas err = add_object(want_meta, want_meta ? idset : idset_exclude,
1128 7afbdbad 2022-05-12 thomas id, "", GOT_OBJ_TYPE_TAG,
1129 cc524d36 2022-05-31 thomas got_object_tag_get_tagger_time(tag), seed, loose_obj_only, repo,
1130 78a00876 2022-03-22 thomas ncolored, nfound, ntrees, progress_cb, progress_arg, rl);
1132 05118f5a 2021-06-22 stsp goto done;
1134 05118f5a 2021-06-22 stsp switch (got_object_tag_get_object_type(tag)) {
1135 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_COMMIT:
1136 7afbdbad 2022-05-12 thomas err = load_commit(want_meta, idset, idset_exclude,
1137 cc524d36 2022-05-31 thomas got_object_tag_get_object_id(tag), repo, seed,
1138 cc524d36 2022-05-31 thomas loose_obj_only, ncolored, nfound, ntrees,
1139 cc524d36 2022-05-31 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1141 05118f5a 2021-06-22 stsp case GOT_OBJ_TYPE_TREE:
1142 7afbdbad 2022-05-12 thomas err = load_tree(want_meta, idset, idset_exclude,
1143 f9c2e8e5 2022-02-13 thomas got_object_tag_get_object_id(tag), "",
1144 cc524d36 2022-05-31 thomas got_object_tag_get_tagger_time(tag), seed, repo,
1145 cc524d36 2022-05-31 thomas loose_obj_only, ncolored, nfound, ntrees,
1146 cc524d36 2022-05-31 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1153 05118f5a 2021-06-22 stsp got_object_tag_close(tag);
1154 05118f5a 2021-06-22 stsp return err;
1157 e6bcace5 2021-06-22 stsp enum findtwixt_color {
1158 e6bcace5 2021-06-22 stsp COLOR_KEEP = 0,
1159 e6bcace5 2021-06-22 stsp COLOR_DROP,
1160 e6bcace5 2021-06-22 stsp COLOR_BLANK,
1161 5fe7b5c1 2022-04-16 thomas COLOR_SKIP,
1164 e6bcace5 2021-06-22 stsp static const int findtwixt_colors[] = {
1165 e6bcace5 2021-06-22 stsp COLOR_KEEP,
1166 e6bcace5 2021-06-22 stsp COLOR_DROP,
1167 5fe7b5c1 2022-04-16 thomas COLOR_BLANK,
1168 5fe7b5c1 2022-04-16 thomas COLOR_SKIP,
1171 e6bcace5 2021-06-22 stsp static const struct got_error *
1172 5fe7b5c1 2022-04-16 thomas paint_commit(struct got_object_qid *qid, int color)
1174 5fe7b5c1 2022-04-16 thomas if (color < 0 || color >= nitems(findtwixt_colors))
1175 5fe7b5c1 2022-04-16 thomas return got_error(GOT_ERR_RANGE);
1177 e6bcace5 2021-06-22 stsp qid->data = (void *)&findtwixt_colors[color];
1178 e6bcace5 2021-06-22 stsp return NULL;
1181 e6bcace5 2021-06-22 stsp static const struct got_error *
1182 5fe7b5c1 2022-04-16 thomas queue_commit_id(struct got_object_id_queue *ids, struct got_object_id *id,
1183 5fe7b5c1 2022-04-16 thomas int color, struct got_repository *repo)
1185 5fe7b5c1 2022-04-16 thomas const struct got_error *err;
1186 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1188 e6bcace5 2021-06-22 stsp err = got_object_qid_alloc(&qid, id);
1190 e6bcace5 2021-06-22 stsp return err;
1192 5fe7b5c1 2022-04-16 thomas STAILQ_INSERT_TAIL(ids, qid, entry);
1193 5fe7b5c1 2022-04-16 thomas return paint_commit(qid, color);
1196 e6bcace5 2021-06-22 stsp struct append_id_arg {
1197 e6bcace5 2021-06-22 stsp struct got_object_id **array;
1199 5fe7b5c1 2022-04-16 thomas struct got_object_idset *drop;
1200 5fe7b5c1 2022-04-16 thomas struct got_object_idset *skip;
1203 e6bcace5 2021-06-22 stsp static const struct got_error *
1204 e6bcace5 2021-06-22 stsp append_id(struct got_object_id *id, void *data, void *arg)
1206 e6bcace5 2021-06-22 stsp struct append_id_arg *a = arg;
1208 5fe7b5c1 2022-04-16 thomas if (got_object_idset_contains(a->skip, id) ||
1209 5fe7b5c1 2022-04-16 thomas got_object_idset_contains(a->drop, id))
1210 5fe7b5c1 2022-04-16 thomas return NULL;
1212 5fe7b5c1 2022-04-16 thomas a->array[++a->idx] = got_object_id_dup(id);
1213 e6bcace5 2021-06-22 stsp if (a->array[a->idx] == NULL)
1214 e6bcace5 2021-06-22 stsp return got_error_from_errno("got_object_id_dup");
1216 e6bcace5 2021-06-22 stsp return NULL;
1219 a3a0e34e 2022-04-16 thomas static const struct got_error *
1220 a3a0e34e 2022-04-16 thomas queue_commit_or_tag_id(struct got_object_id *id, int color,
1221 a3a0e34e 2022-04-16 thomas struct got_object_id_queue *ids, struct got_repository *repo)
1223 a3a0e34e 2022-04-16 thomas const struct got_error *err;
1224 a3a0e34e 2022-04-16 thomas struct got_tag_object *tag = NULL;
1225 a3a0e34e 2022-04-16 thomas int obj_type;
1227 a3a0e34e 2022-04-16 thomas err = got_object_get_type(&obj_type, repo, id);
1228 a3a0e34e 2022-04-16 thomas if (err)
1229 a3a0e34e 2022-04-16 thomas return err;
1231 a3a0e34e 2022-04-16 thomas if (obj_type == GOT_OBJ_TYPE_TAG) {
1232 a3a0e34e 2022-04-16 thomas err = got_object_open_as_tag(&tag, repo, id);
1233 a3a0e34e 2022-04-16 thomas if (err)
1234 a3a0e34e 2022-04-16 thomas return err;
1235 a3a0e34e 2022-04-16 thomas obj_type = got_object_tag_get_object_type(tag);
1236 a3a0e34e 2022-04-16 thomas id = got_object_tag_get_object_id(tag);
1239 a3a0e34e 2022-04-16 thomas if (obj_type == GOT_OBJ_TYPE_COMMIT) {
1240 a3a0e34e 2022-04-16 thomas err = queue_commit_id(ids, id, color, repo);
1241 a3a0e34e 2022-04-16 thomas if (err)
1242 a3a0e34e 2022-04-16 thomas goto done;
1245 a3a0e34e 2022-04-16 thomas if (tag)
1246 a3a0e34e 2022-04-16 thomas got_object_tag_close(tag);
1247 a3a0e34e 2022-04-16 thomas return err;
1250 e6bcace5 2021-06-22 stsp static const struct got_error *
1251 5fe7b5c1 2022-04-16 thomas paint_commits(int *ncolored, struct got_object_id_queue *ids, int nids,
1252 e9371be6 2022-04-16 thomas struct got_object_idset *keep, struct got_object_idset *drop,
1253 5fe7b5c1 2022-04-16 thomas struct got_object_idset *skip, struct got_repository *repo,
1254 85220b0e 2022-03-22 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1255 85220b0e 2022-03-22 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1257 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1258 e9371be6 2022-04-16 thomas struct got_commit_object *commit = NULL;
1259 5fe7b5c1 2022-04-16 thomas const struct got_object_id_queue *parents;
1260 e6bcace5 2021-06-22 stsp struct got_object_qid *qid;
1261 5fe7b5c1 2022-04-16 thomas int nqueued = nids, nskip = 0;
1263 5fe7b5c1 2022-04-16 thomas while (!STAILQ_EMPTY(ids) && nskip != nqueued) {
1264 5fe7b5c1 2022-04-16 thomas int color;
1266 21a0da85 2022-04-16 thomas if (cancel_cb) {
1267 21a0da85 2022-04-16 thomas err = cancel_cb(cancel_arg);
1268 21a0da85 2022-04-16 thomas if (err)
1272 e9371be6 2022-04-16 thomas qid = STAILQ_FIRST(ids);
1273 5fe7b5c1 2022-04-16 thomas STAILQ_REMOVE_HEAD(ids, entry);
1274 5fe7b5c1 2022-04-16 thomas nqueued--;
1275 5fe7b5c1 2022-04-16 thomas color = *((int *)qid->data);
1276 5fe7b5c1 2022-04-16 thomas if (color == COLOR_SKIP)
1277 5fe7b5c1 2022-04-16 thomas nskip--;
1279 ec242592 2022-04-22 thomas if (got_object_idset_contains(skip, &qid->id)) {
1280 5fe7b5c1 2022-04-16 thomas got_object_qid_free(qid);
1281 5fe7b5c1 2022-04-16 thomas continue;
1284 5fe7b5c1 2022-04-16 thomas switch (color) {
1285 5fe7b5c1 2022-04-16 thomas case COLOR_KEEP:
1286 ec242592 2022-04-22 thomas if (got_object_idset_contains(keep, &qid->id)) {
1287 5fe7b5c1 2022-04-16 thomas got_object_qid_free(qid);
1288 5fe7b5c1 2022-04-16 thomas continue;
1290 ec242592 2022-04-22 thomas if (got_object_idset_contains(drop, &qid->id)) {
1291 5fe7b5c1 2022-04-16 thomas err = paint_commit(qid, COLOR_SKIP);
1292 5fe7b5c1 2022-04-16 thomas if (err)
1293 5fe7b5c1 2022-04-16 thomas goto done;
1295 5fe7b5c1 2022-04-16 thomas (*ncolored)++;
1296 ec242592 2022-04-22 thomas err = got_object_idset_add(keep, &qid->id, NULL);
1297 5fe7b5c1 2022-04-16 thomas if (err)
1298 5fe7b5c1 2022-04-16 thomas goto done;
1300 5fe7b5c1 2022-04-16 thomas case COLOR_DROP:
1301 ec242592 2022-04-22 thomas if (got_object_idset_contains(drop, &qid->id)) {
1302 5fe7b5c1 2022-04-16 thomas got_object_qid_free(qid);
1303 5fe7b5c1 2022-04-16 thomas continue;
1305 ec242592 2022-04-22 thomas if (got_object_idset_contains(keep, &qid->id)) {
1306 5fe7b5c1 2022-04-16 thomas err = paint_commit(qid, COLOR_SKIP);
1307 5fe7b5c1 2022-04-16 thomas if (err)
1308 5fe7b5c1 2022-04-16 thomas goto done;
1310 5fe7b5c1 2022-04-16 thomas (*ncolored)++;
1311 ec242592 2022-04-22 thomas err = got_object_idset_add(drop, &qid->id, NULL);
1312 5fe7b5c1 2022-04-16 thomas if (err)
1313 5fe7b5c1 2022-04-16 thomas goto done;
1315 5fe7b5c1 2022-04-16 thomas case COLOR_SKIP:
1316 ec242592 2022-04-22 thomas if (!got_object_idset_contains(skip, &qid->id)) {
1317 ec242592 2022-04-22 thomas err = got_object_idset_add(skip, &qid->id,
1319 5fe7b5c1 2022-04-16 thomas if (err)
1320 5fe7b5c1 2022-04-16 thomas goto done;
1323 5fe7b5c1 2022-04-16 thomas default:
1324 5fe7b5c1 2022-04-16 thomas /* should not happen */
1325 5fe7b5c1 2022-04-16 thomas err = got_error_fmt(GOT_ERR_NOT_IMPL,
1326 5fe7b5c1 2022-04-16 thomas "%s invalid commit color %d", __func__, color);
1327 5fe7b5c1 2022-04-16 thomas goto done;
1330 85220b0e 2022-03-22 thomas err = report_progress(progress_cb, progress_arg, rl,
1331 85220b0e 2022-03-22 thomas *ncolored, 0, 0, 0L, 0, 0, 0, 0);
1332 85220b0e 2022-03-22 thomas if (err)
1336 ec242592 2022-04-22 thomas err = got_object_open_as_commit(&commit, repo, &qid->id);
1337 5fe7b5c1 2022-04-16 thomas if (err)
1340 5fe7b5c1 2022-04-16 thomas parents = got_object_commit_get_parent_ids(commit);
1341 5fe7b5c1 2022-04-16 thomas if (parents) {
1342 5fe7b5c1 2022-04-16 thomas struct got_object_qid *pid;
1343 5fe7b5c1 2022-04-16 thomas color = *((int *)qid->data);
1344 5fe7b5c1 2022-04-16 thomas STAILQ_FOREACH(pid, parents, entry) {
1345 ec242592 2022-04-22 thomas err = queue_commit_id(ids, &pid->id, color,
1347 5fe7b5c1 2022-04-16 thomas if (err)
1349 5fe7b5c1 2022-04-16 thomas nqueued++;
1350 5fe7b5c1 2022-04-16 thomas if (color == COLOR_SKIP)
1351 5fe7b5c1 2022-04-16 thomas nskip++;
1355 5fe7b5c1 2022-04-16 thomas got_object_commit_close(commit);
1356 5fe7b5c1 2022-04-16 thomas commit = NULL;
1357 e6bcace5 2021-06-22 stsp got_object_qid_free(qid);
1360 e9371be6 2022-04-16 thomas if (commit)
1361 e9371be6 2022-04-16 thomas got_object_commit_close(commit);
1362 e9371be6 2022-04-16 thomas return err;
1365 e9371be6 2022-04-16 thomas static const struct got_error *
1366 e9371be6 2022-04-16 thomas findtwixt(struct got_object_id ***res, int *nres, int *ncolored,
1367 e9371be6 2022-04-16 thomas struct got_object_id **head, int nhead,
1368 e9371be6 2022-04-16 thomas struct got_object_id **tail, int ntail,
1369 e9371be6 2022-04-16 thomas struct got_repository *repo,
1370 e9371be6 2022-04-16 thomas got_pack_progress_cb progress_cb, void *progress_arg,
1371 e9371be6 2022-04-16 thomas struct got_ratelimit *rl, got_cancel_cb cancel_cb, void *cancel_arg)
1373 e9371be6 2022-04-16 thomas const struct got_error *err = NULL;
1374 e9371be6 2022-04-16 thomas struct got_object_id_queue ids;
1375 5fe7b5c1 2022-04-16 thomas struct got_object_idset *keep, *drop, *skip = NULL;
1376 e9371be6 2022-04-16 thomas int i, nkeep;
1378 e9371be6 2022-04-16 thomas STAILQ_INIT(&ids);
1379 e9371be6 2022-04-16 thomas *res = NULL;
1380 e9371be6 2022-04-16 thomas *nres = 0;
1381 e9371be6 2022-04-16 thomas *ncolored = 0;
1383 e9371be6 2022-04-16 thomas keep = got_object_idset_alloc();
1384 e9371be6 2022-04-16 thomas if (keep == NULL)
1385 e9371be6 2022-04-16 thomas return got_error_from_errno("got_object_idset_alloc");
1387 e9371be6 2022-04-16 thomas drop = got_object_idset_alloc();
1388 e9371be6 2022-04-16 thomas if (drop == NULL) {
1389 e9371be6 2022-04-16 thomas err = got_error_from_errno("got_object_idset_alloc");
1390 e9371be6 2022-04-16 thomas goto done;
1393 5fe7b5c1 2022-04-16 thomas skip = got_object_idset_alloc();
1394 5fe7b5c1 2022-04-16 thomas if (skip == NULL) {
1395 5fe7b5c1 2022-04-16 thomas err = got_error_from_errno("got_object_idset_alloc");
1396 5fe7b5c1 2022-04-16 thomas goto done;
1399 e9371be6 2022-04-16 thomas for (i = 0; i < nhead; i++) {
1400 e9371be6 2022-04-16 thomas struct got_object_id *id = head[i];
1401 e9371be6 2022-04-16 thomas if (id == NULL)
1402 e9371be6 2022-04-16 thomas continue;
1403 fc457d24 2022-04-16 thomas err = queue_commit_or_tag_id(id, COLOR_KEEP, &ids, repo);
1404 e9371be6 2022-04-16 thomas if (err)
1405 e9371be6 2022-04-16 thomas goto done;
1408 e9371be6 2022-04-16 thomas for (i = 0; i < ntail; i++) {
1409 e9371be6 2022-04-16 thomas struct got_object_id *id = tail[i];
1410 e9371be6 2022-04-16 thomas if (id == NULL)
1411 e9371be6 2022-04-16 thomas continue;
1412 e9371be6 2022-04-16 thomas err = queue_commit_or_tag_id(id, COLOR_DROP, &ids, repo);
1413 e9371be6 2022-04-16 thomas if (err)
1414 e9371be6 2022-04-16 thomas goto done;
1417 5fe7b5c1 2022-04-16 thomas err = paint_commits(ncolored, &ids, nhead + ntail,
1418 5fe7b5c1 2022-04-16 thomas keep, drop, skip, repo, progress_cb, progress_arg, rl,
1419 5fe7b5c1 2022-04-16 thomas cancel_cb, cancel_arg);
1420 e9371be6 2022-04-16 thomas if (err)
1421 e9371be6 2022-04-16 thomas goto done;
1423 e6bcace5 2021-06-22 stsp nkeep = got_object_idset_num_elements(keep);
1424 e6bcace5 2021-06-22 stsp if (nkeep > 0) {
1425 e6bcace5 2021-06-22 stsp struct append_id_arg arg;
1426 e6bcace5 2021-06-22 stsp arg.array = calloc(nkeep, sizeof(struct got_object_id *));
1427 e6bcace5 2021-06-22 stsp if (arg.array == NULL) {
1428 e6bcace5 2021-06-22 stsp err = got_error_from_errno("calloc");
1429 e6bcace5 2021-06-22 stsp goto done;
1431 5fe7b5c1 2022-04-16 thomas arg.idx = -1;
1432 5fe7b5c1 2022-04-16 thomas arg.skip = skip;
1433 5fe7b5c1 2022-04-16 thomas arg.drop = drop;
1434 e6bcace5 2021-06-22 stsp err = got_object_idset_for_each(keep, append_id, &arg);
1435 e6bcace5 2021-06-22 stsp if (err) {
1436 e6bcace5 2021-06-22 stsp free(arg.array);
1437 e6bcace5 2021-06-22 stsp goto done;
1439 e6bcace5 2021-06-22 stsp *res = arg.array;
1440 5fe7b5c1 2022-04-16 thomas *nres = arg.idx + 1;
1443 e6bcace5 2021-06-22 stsp got_object_idset_free(keep);
1444 e6bcace5 2021-06-22 stsp got_object_idset_free(drop);
1445 5fe7b5c1 2022-04-16 thomas if (skip)
1446 5fe7b5c1 2022-04-16 thomas got_object_idset_free(skip);
1447 e6bcace5 2021-06-22 stsp got_object_id_queue_free(&ids);
1448 e6bcace5 2021-06-22 stsp return err;
1451 e6bcace5 2021-06-22 stsp static const struct got_error *
1452 85220b0e 2022-03-22 thomas load_object_ids(int *ncolored, int *nfound, int *ntrees,
1453 85220b0e 2022-03-22 thomas struct got_object_idset *idset, struct got_object_id **theirs, int ntheirs,
1454 e6bcace5 2021-06-22 stsp struct got_object_id **ours, int nours, struct got_repository *repo,
1455 cc524d36 2022-05-31 thomas uint32_t seed, int loose_obj_only, got_pack_progress_cb progress_cb,
1456 cc524d36 2022-05-31 thomas void *progress_arg, struct got_ratelimit *rl, got_cancel_cb cancel_cb,
1457 cc524d36 2022-05-31 thomas void *cancel_arg)
1459 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1460 e6bcace5 2021-06-22 stsp struct got_object_id **ids = NULL;
1461 05118f5a 2021-06-22 stsp int i, nobj = 0, obj_type;
1462 7afbdbad 2022-05-12 thomas struct got_object_idset *idset_exclude;
1464 7afbdbad 2022-05-12 thomas idset_exclude = got_object_idset_alloc();
1465 7afbdbad 2022-05-12 thomas if (idset_exclude == NULL)
1466 7afbdbad 2022-05-12 thomas return got_error_from_errno("got_object_idset_alloc");
1468 85220b0e 2022-03-22 thomas *ncolored = 0;
1469 85220b0e 2022-03-22 thomas *nfound = 0;
1470 85220b0e 2022-03-22 thomas *ntrees = 0;
1472 85220b0e 2022-03-22 thomas err = findtwixt(&ids, &nobj, ncolored, ours, nours, theirs, ntheirs,
1473 85220b0e 2022-03-22 thomas repo, progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1474 ae2b0251 2022-05-12 thomas if (err)
1475 e6bcace5 2021-06-22 stsp goto done;
1477 e6bcace5 2021-06-22 stsp for (i = 0; i < ntheirs; i++) {
1478 05118f5a 2021-06-22 stsp struct got_object_id *id = theirs[i];
1479 05118f5a 2021-06-22 stsp if (id == NULL)
1481 05118f5a 2021-06-22 stsp err = got_object_get_type(&obj_type, repo, id);
1483 05118f5a 2021-06-22 stsp return err;
1484 8eef4276 2022-04-16 thomas if (obj_type == GOT_OBJ_TYPE_COMMIT) {
1485 7afbdbad 2022-05-12 thomas err = load_commit(0, idset, idset_exclude, id, repo,
1486 cc524d36 2022-05-31 thomas seed, loose_obj_only, ncolored, nfound, ntrees,
1487 8eef4276 2022-04-16 thomas progress_cb, progress_arg, rl,
1488 8eef4276 2022-04-16 thomas cancel_cb, cancel_arg);
1490 07165b17 2021-07-01 stsp goto done;
1491 8eef4276 2022-04-16 thomas } else if (obj_type == GOT_OBJ_TYPE_TAG) {
1492 7afbdbad 2022-05-12 thomas err = load_tag(0, idset, idset_exclude, id, repo,
1493 cc524d36 2022-05-31 thomas seed, loose_obj_only, ncolored, nfound, ntrees,
1494 8eef4276 2022-04-16 thomas progress_cb, progress_arg, rl,
1495 8eef4276 2022-04-16 thomas cancel_cb, cancel_arg);
1496 8eef4276 2022-04-16 thomas if (err)
1497 8eef4276 2022-04-16 thomas goto done;
1501 eca70f98 2021-09-03 stsp for (i = 0; i < nobj; i++) {
1502 cc524d36 2022-05-31 thomas err = load_commit(1, idset, idset_exclude, ids[i], repo,
1503 cc524d36 2022-05-31 thomas seed, loose_obj_only, ncolored, nfound, ntrees,
1504 7afbdbad 2022-05-12 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1506 eca70f98 2021-09-03 stsp goto done;
1509 05118f5a 2021-06-22 stsp for (i = 0; i < nours; i++) {
1510 05118f5a 2021-06-22 stsp struct got_object_id *id = ours[i];
1511 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m;
1512 05118f5a 2021-06-22 stsp if (id == NULL)
1514 f9c2e8e5 2022-02-13 thomas m = got_object_idset_get(idset, id);
1515 f9c2e8e5 2022-02-13 thomas if (m == NULL) {
1516 07165b17 2021-07-01 stsp err = got_object_get_type(&obj_type, repo, id);
1518 07165b17 2021-07-01 stsp goto done;
1520 f9c2e8e5 2022-02-13 thomas obj_type = m->obj_type;
1521 05118f5a 2021-06-22 stsp if (obj_type != GOT_OBJ_TYPE_TAG)
1523 7afbdbad 2022-05-12 thomas err = load_tag(1, idset, idset_exclude, id, repo,
1524 cc524d36 2022-05-31 thomas seed, loose_obj_only, ncolored, nfound, ntrees,
1525 7afbdbad 2022-05-12 thomas progress_cb, progress_arg, rl, cancel_cb, cancel_arg);
1527 e6bcace5 2021-06-22 stsp goto done;
1530 e6bcace5 2021-06-22 stsp for (i = 0; i < nobj; i++) {
1531 e6bcace5 2021-06-22 stsp free(ids[i]);
1533 e6bcace5 2021-06-22 stsp free(ids);
1534 7afbdbad 2022-05-12 thomas got_object_idset_free(idset_exclude);
1535 e6bcace5 2021-06-22 stsp return err;
1538 e6bcace5 2021-06-22 stsp const struct got_error *
1539 9249e7e3 2022-05-12 thomas hwrite(FILE *f, void *buf, off_t len, SHA1_CTX *ctx)
1543 e6bcace5 2021-06-22 stsp SHA1Update(ctx, buf, len);
1544 e6bcace5 2021-06-22 stsp n = fwrite(buf, 1, len, f);
1545 e6bcace5 2021-06-22 stsp if (n != len)
1546 e6bcace5 2021-06-22 stsp return got_ferror(f, GOT_ERR_IO);
1547 9249e7e3 2022-05-12 thomas return NULL;
1550 9249e7e3 2022-05-12 thomas const struct got_error *
1551 9249e7e3 2022-05-12 thomas hcopy(FILE *fsrc, FILE *fdst, off_t len, SHA1_CTX *ctx)
1553 9249e7e3 2022-05-12 thomas unsigned char buf[65536];
1554 9249e7e3 2022-05-12 thomas off_t remain = len;
1555 9249e7e3 2022-05-12 thomas size_t n;
1557 9249e7e3 2022-05-12 thomas while (remain > 0) {
1558 9249e7e3 2022-05-12 thomas size_t copylen = MIN(sizeof(buf), remain);
1559 9249e7e3 2022-05-12 thomas n = fread(buf, 1, copylen, fsrc);
1560 9249e7e3 2022-05-12 thomas if (n != copylen)
1561 9249e7e3 2022-05-12 thomas return got_ferror(fsrc, GOT_ERR_IO);
1562 9249e7e3 2022-05-12 thomas SHA1Update(ctx, buf, copylen);
1563 9249e7e3 2022-05-12 thomas n = fwrite(buf, 1, copylen, fdst);
1564 9249e7e3 2022-05-12 thomas if (n != copylen)
1565 9249e7e3 2022-05-12 thomas return got_ferror(fdst, GOT_ERR_IO);
1566 9249e7e3 2022-05-12 thomas remain -= copylen;
1569 e6bcace5 2021-06-22 stsp return NULL;
1572 d93dda9a 2022-05-12 thomas const struct got_error *
1573 d93dda9a 2022-05-12 thomas hcopy_mmap(uint8_t *src, off_t src_offset, size_t src_size,
1574 d93dda9a 2022-05-12 thomas FILE *fdst, off_t len, SHA1_CTX *ctx)
1576 d93dda9a 2022-05-12 thomas size_t n;
1578 d93dda9a 2022-05-12 thomas if (src_offset + len > src_size)
1579 d93dda9a 2022-05-12 thomas return got_error(GOT_ERR_RANGE);
1581 d93dda9a 2022-05-12 thomas SHA1Update(ctx, src + src_offset, len);
1582 d93dda9a 2022-05-12 thomas n = fwrite(src + src_offset, 1, len, fdst);
1583 d93dda9a 2022-05-12 thomas if (n != len)
1584 d93dda9a 2022-05-12 thomas return got_ferror(fdst, GOT_ERR_IO);
1586 d93dda9a 2022-05-12 thomas return NULL;
1589 e6bcace5 2021-06-22 stsp static void
1590 e6bcace5 2021-06-22 stsp putbe32(char *b, uint32_t n)
1592 e6bcace5 2021-06-22 stsp b[0] = n >> 24;
1593 e6bcace5 2021-06-22 stsp b[1] = n >> 16;
1594 e6bcace5 2021-06-22 stsp b[2] = n >> 8;
1595 e6bcace5 2021-06-22 stsp b[3] = n >> 0;
1598 e6bcace5 2021-06-22 stsp static int
1599 e6bcace5 2021-06-22 stsp write_order_cmp(const void *pa, const void *pb)
1601 e6bcace5 2021-06-22 stsp struct got_pack_meta *a, *b, *ahd, *bhd;
1603 e6bcace5 2021-06-22 stsp a = *(struct got_pack_meta **)pa;
1604 e6bcace5 2021-06-22 stsp b = *(struct got_pack_meta **)pb;
1605 e6bcace5 2021-06-22 stsp ahd = (a->head == NULL) ? a : a->head;
1606 e6bcace5 2021-06-22 stsp bhd = (b->head == NULL) ? b : b->head;
1607 f6b43367 2022-05-01 thomas if (bhd->mtime < ahd->mtime)
1608 f6b43367 2022-05-01 thomas return -1;
1609 f6b43367 2022-05-01 thomas if (bhd->mtime > ahd->mtime)
1610 f6b43367 2022-05-01 thomas return 1;
1611 f6b43367 2022-05-01 thomas if (bhd < ahd)
1612 f6b43367 2022-05-01 thomas return -1;
1613 f6b43367 2022-05-01 thomas if (bhd > ahd)
1614 f6b43367 2022-05-01 thomas return 1;
1615 e6bcace5 2021-06-22 stsp if (a->nchain != b->nchain)
1616 e6bcace5 2021-06-22 stsp return a->nchain - b->nchain;
1617 f6b43367 2022-05-01 thomas if (a->mtime < b->mtime)
1618 f6b43367 2022-05-01 thomas return -1;
1619 f6b43367 2022-05-01 thomas if (a->mtime > b->mtime)
1620 f6b43367 2022-05-01 thomas return 1;
1621 f6b43367 2022-05-01 thomas return got_object_id_cmp(&a->id, &b->id);
1624 f9c2e8e5 2022-02-13 thomas static int
1625 f9c2e8e5 2022-02-13 thomas reuse_write_order_cmp(const void *pa, const void *pb)
1627 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *a, *b;
1629 f9c2e8e5 2022-02-13 thomas a = *(struct got_pack_meta **)pa;
1630 f9c2e8e5 2022-02-13 thomas b = *(struct got_pack_meta **)pb;
1632 f9c2e8e5 2022-02-13 thomas if (a->reused_delta_offset < b->reused_delta_offset)
1633 f9c2e8e5 2022-02-13 thomas return -1;
1634 f9c2e8e5 2022-02-13 thomas if (a->reused_delta_offset > b->reused_delta_offset)
1635 f9c2e8e5 2022-02-13 thomas return 1;
1636 f9c2e8e5 2022-02-13 thomas return 0;
1639 e6bcace5 2021-06-22 stsp static const struct got_error *
1640 e6bcace5 2021-06-22 stsp packhdr(int *hdrlen, char *hdr, size_t bufsize, int obj_type, size_t len)
1644 e6bcace5 2021-06-22 stsp *hdrlen = 0;
1646 e6bcace5 2021-06-22 stsp hdr[0] = obj_type << 4;
1647 e6bcace5 2021-06-22 stsp hdr[0] |= len & 0xf;
1648 e6bcace5 2021-06-22 stsp len >>= 4;
1649 e6bcace5 2021-06-22 stsp for (i = 1; len != 0; i++){
1650 e6bcace5 2021-06-22 stsp if (i >= bufsize)
1651 e6bcace5 2021-06-22 stsp return got_error(GOT_ERR_NO_SPACE);
1652 e6bcace5 2021-06-22 stsp hdr[i - 1] |= GOT_DELTA_SIZE_MORE;
1653 e6bcace5 2021-06-22 stsp hdr[i] = len & GOT_DELTA_SIZE_VAL_MASK;
1654 e6bcace5 2021-06-22 stsp len >>= GOT_DELTA_SIZE_SHIFT;
1657 e6bcace5 2021-06-22 stsp *hdrlen = i;
1658 e6bcace5 2021-06-22 stsp return NULL;
1661 e6bcace5 2021-06-22 stsp static int
1662 e6bcace5 2021-06-22 stsp packoff(char *hdr, off_t off)
1665 e6bcace5 2021-06-22 stsp char rbuf[8];
1667 e6bcace5 2021-06-22 stsp rbuf[0] = off & GOT_DELTA_SIZE_VAL_MASK;
1668 e6bcace5 2021-06-22 stsp for (i = 1; (off >>= GOT_DELTA_SIZE_SHIFT) != 0; i++) {
1669 e6bcace5 2021-06-22 stsp rbuf[i] = (--off & GOT_DELTA_SIZE_VAL_MASK) |
1670 e6bcace5 2021-06-22 stsp GOT_DELTA_SIZE_MORE;
1674 e6bcace5 2021-06-22 stsp while (i > 0)
1675 e6bcace5 2021-06-22 stsp hdr[j++] = rbuf[--i];
1679 e6bcace5 2021-06-22 stsp static const struct got_error *
1680 3b6ceab7 2022-01-10 thomas deltahdr(off_t *packfile_size, SHA1_CTX *ctx, FILE *packfile,
1681 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m)
1683 3b6ceab7 2022-01-10 thomas const struct got_error *err;
1684 3b6ceab7 2022-01-10 thomas char buf[32];
1687 f9c2e8e5 2022-02-13 thomas if (m->prev->off != 0) {
1688 3b6ceab7 2022-01-10 thomas err = packhdr(&nh, buf, sizeof(buf),
1689 3b6ceab7 2022-01-10 thomas GOT_OBJ_TYPE_OFFSET_DELTA, m->delta_len);
1690 3b6ceab7 2022-01-10 thomas if (err)
1691 3b6ceab7 2022-01-10 thomas return err;
1692 3b6ceab7 2022-01-10 thomas nh += packoff(buf + nh, m->off - m->prev->off);
1693 3b6ceab7 2022-01-10 thomas err = hwrite(packfile, buf, nh, ctx);
1694 3b6ceab7 2022-01-10 thomas if (err)
1695 3b6ceab7 2022-01-10 thomas return err;
1696 3b6ceab7 2022-01-10 thomas *packfile_size += nh;
1697 3b6ceab7 2022-01-10 thomas } else {
1698 3b6ceab7 2022-01-10 thomas err = packhdr(&nh, buf, sizeof(buf),
1699 3b6ceab7 2022-01-10 thomas GOT_OBJ_TYPE_REF_DELTA, m->delta_len);
1700 3b6ceab7 2022-01-10 thomas if (err)
1701 3b6ceab7 2022-01-10 thomas return err;
1702 3b6ceab7 2022-01-10 thomas err = hwrite(packfile, buf, nh, ctx);
1703 3b6ceab7 2022-01-10 thomas if (err)
1704 3b6ceab7 2022-01-10 thomas return err;
1705 3b6ceab7 2022-01-10 thomas *packfile_size += nh;
1706 3b6ceab7 2022-01-10 thomas err = hwrite(packfile, m->prev->id.sha1,
1707 3b6ceab7 2022-01-10 thomas sizeof(m->prev->id.sha1), ctx);
1708 3b6ceab7 2022-01-10 thomas if (err)
1709 3b6ceab7 2022-01-10 thomas return err;
1710 3b6ceab7 2022-01-10 thomas *packfile_size += sizeof(m->prev->id.sha1);
1713 3b6ceab7 2022-01-10 thomas return NULL;
1716 3b6ceab7 2022-01-10 thomas static const struct got_error *
1717 f9c2e8e5 2022-02-13 thomas write_packed_object(off_t *packfile_size, FILE *packfile,
1718 d93dda9a 2022-05-12 thomas FILE *delta_cache, uint8_t *delta_cache_map, size_t delta_cache_size,
1719 d93dda9a 2022-05-12 thomas struct got_pack_meta *m, int *outfd, SHA1_CTX *ctx,
1720 d93dda9a 2022-05-12 thomas struct got_repository *repo)
1722 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
1723 f9c2e8e5 2022-02-13 thomas struct got_deflate_checksum csum;
1724 f9c2e8e5 2022-02-13 thomas char buf[32];
1726 f9c2e8e5 2022-02-13 thomas struct got_raw_object *raw = NULL;
1727 f9c2e8e5 2022-02-13 thomas off_t outlen;
1729 f9c2e8e5 2022-02-13 thomas csum.output_sha1 = ctx;
1730 f9c2e8e5 2022-02-13 thomas csum.output_crc = NULL;
1732 f9c2e8e5 2022-02-13 thomas m->off = ftello(packfile);
1733 f9c2e8e5 2022-02-13 thomas if (m->delta_len == 0) {
1734 f9c2e8e5 2022-02-13 thomas err = got_object_raw_open(&raw, outfd, repo, &m->id);
1735 f9c2e8e5 2022-02-13 thomas if (err)
1736 f9c2e8e5 2022-02-13 thomas goto done;
1737 f9c2e8e5 2022-02-13 thomas err = packhdr(&nh, buf, sizeof(buf),
1738 f9c2e8e5 2022-02-13 thomas m->obj_type, raw->size);
1739 f9c2e8e5 2022-02-13 thomas if (err)
1740 f9c2e8e5 2022-02-13 thomas goto done;
1741 f9c2e8e5 2022-02-13 thomas err = hwrite(packfile, buf, nh, ctx);
1742 f9c2e8e5 2022-02-13 thomas if (err)
1743 f9c2e8e5 2022-02-13 thomas goto done;
1744 f9c2e8e5 2022-02-13 thomas *packfile_size += nh;
1745 f9c2e8e5 2022-02-13 thomas if (raw->f == NULL) {
1746 f9c2e8e5 2022-02-13 thomas err = got_deflate_to_file_mmap(&outlen,
1747 f9c2e8e5 2022-02-13 thomas raw->data + raw->hdrlen, 0, raw->size,
1748 f9c2e8e5 2022-02-13 thomas packfile, &csum);
1749 f9c2e8e5 2022-02-13 thomas if (err)
1750 f9c2e8e5 2022-02-13 thomas goto done;
1751 f9c2e8e5 2022-02-13 thomas } else {
1752 f9c2e8e5 2022-02-13 thomas if (fseeko(raw->f, raw->hdrlen, SEEK_SET)
1753 f9c2e8e5 2022-02-13 thomas == -1) {
1754 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fseeko");
1755 f9c2e8e5 2022-02-13 thomas goto done;
1757 f9c2e8e5 2022-02-13 thomas err = got_deflate_to_file(&outlen, raw->f,
1758 f9c2e8e5 2022-02-13 thomas raw->size, packfile, &csum);
1759 f9c2e8e5 2022-02-13 thomas if (err)
1760 f9c2e8e5 2022-02-13 thomas goto done;
1762 f9c2e8e5 2022-02-13 thomas *packfile_size += outlen;
1763 f9c2e8e5 2022-02-13 thomas got_object_raw_close(raw);
1764 f9c2e8e5 2022-02-13 thomas raw = NULL;
1765 f9c2e8e5 2022-02-13 thomas } else if (m->delta_buf) {
1766 f9c2e8e5 2022-02-13 thomas err = deltahdr(packfile_size, ctx, packfile, m);
1767 f9c2e8e5 2022-02-13 thomas if (err)
1768 f9c2e8e5 2022-02-13 thomas goto done;
1769 9249e7e3 2022-05-12 thomas err = hwrite(packfile, m->delta_buf,
1770 9249e7e3 2022-05-12 thomas m->delta_compressed_len, ctx);
1771 f9c2e8e5 2022-02-13 thomas if (err)
1772 f9c2e8e5 2022-02-13 thomas goto done;
1773 9249e7e3 2022-05-12 thomas *packfile_size += m->delta_compressed_len;
1774 f9c2e8e5 2022-02-13 thomas free(m->delta_buf);
1775 f9c2e8e5 2022-02-13 thomas m->delta_buf = NULL;
1776 d93dda9a 2022-05-12 thomas } else if (delta_cache_map) {
1777 d93dda9a 2022-05-12 thomas err = deltahdr(packfile_size, ctx, packfile, m);
1778 d93dda9a 2022-05-12 thomas if (err)
1779 d93dda9a 2022-05-12 thomas goto done;
1780 d93dda9a 2022-05-12 thomas err = hcopy_mmap(delta_cache_map, m->delta_offset,
1781 d93dda9a 2022-05-12 thomas delta_cache_size, packfile, m->delta_compressed_len,
1783 d93dda9a 2022-05-12 thomas if (err)
1784 d93dda9a 2022-05-12 thomas goto done;
1785 d93dda9a 2022-05-12 thomas *packfile_size += m->delta_compressed_len;
1786 f9c2e8e5 2022-02-13 thomas } else {
1787 f9c2e8e5 2022-02-13 thomas if (fseeko(delta_cache, m->delta_offset, SEEK_SET)
1788 f9c2e8e5 2022-02-13 thomas == -1) {
1789 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fseeko");
1790 f9c2e8e5 2022-02-13 thomas goto done;
1792 f9c2e8e5 2022-02-13 thomas err = deltahdr(packfile_size, ctx, packfile, m);
1793 f9c2e8e5 2022-02-13 thomas if (err)
1794 f9c2e8e5 2022-02-13 thomas goto done;
1795 9249e7e3 2022-05-12 thomas err = hcopy(delta_cache, packfile,
1796 9249e7e3 2022-05-12 thomas m->delta_compressed_len, ctx);
1797 f9c2e8e5 2022-02-13 thomas if (err)
1798 f9c2e8e5 2022-02-13 thomas goto done;
1799 9249e7e3 2022-05-12 thomas *packfile_size += m->delta_compressed_len;
1802 f9c2e8e5 2022-02-13 thomas if (raw)
1803 f9c2e8e5 2022-02-13 thomas got_object_raw_close(raw);
1804 f9c2e8e5 2022-02-13 thomas return err;
1807 f9c2e8e5 2022-02-13 thomas static const struct got_error *
1808 b79280dd 2021-10-15 thomas genpack(uint8_t *pack_sha1, FILE *packfile, FILE *delta_cache,
1809 f9c2e8e5 2022-02-13 thomas struct got_pack_meta **deltify, int ndeltify,
1810 f9c2e8e5 2022-02-13 thomas struct got_pack_meta **reuse, int nreuse,
1811 85220b0e 2022-03-22 thomas int ncolored, int nfound, int ntrees, int nours,
1812 85220b0e 2022-03-22 thomas struct got_repository *repo,
1813 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1814 31ba2236 2022-01-05 thomas struct got_ratelimit *rl,
1815 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
1817 e6bcace5 2021-06-22 stsp const struct got_error *err = NULL;
1819 e6bcace5 2021-06-22 stsp SHA1_CTX ctx;
1820 e6bcace5 2021-06-22 stsp struct got_pack_meta *m;
1821 e4d8ab47 2021-10-15 thomas char buf[32];
1822 e8f02263 2022-01-23 thomas size_t n;
1823 f9c2e8e5 2022-02-13 thomas off_t packfile_size = 0;
1824 ecf9545f 2021-10-15 thomas int outfd = -1;
1825 d93dda9a 2022-05-12 thomas int delta_cache_fd = -1;
1826 d93dda9a 2022-05-12 thomas uint8_t *delta_cache_map = NULL;
1827 d93dda9a 2022-05-12 thomas size_t delta_cache_size = 0;
1829 e6bcace5 2021-06-22 stsp SHA1Init(&ctx);
1831 d93dda9a 2022-05-12 thomas #ifndef GOT_PACK_NO_MMAP
1832 d93dda9a 2022-05-12 thomas delta_cache_fd = dup(fileno(delta_cache));
1833 d93dda9a 2022-05-12 thomas if (delta_cache_fd != -1) {
1834 d93dda9a 2022-05-12 thomas struct stat sb;
1835 d93dda9a 2022-05-12 thomas if (fstat(delta_cache_fd, &sb) == -1) {
1836 d93dda9a 2022-05-12 thomas err = got_error_from_errno("fstat");
1837 d93dda9a 2022-05-12 thomas goto done;
1839 d93dda9a 2022-05-12 thomas if (sb.st_size > 0 && sb.st_size <= SIZE_MAX) {
1840 d93dda9a 2022-05-12 thomas delta_cache_map = mmap(NULL, sb.st_size,
1841 d93dda9a 2022-05-12 thomas PROT_READ, MAP_PRIVATE, delta_cache_fd, 0);
1842 d93dda9a 2022-05-12 thomas if (delta_cache_map == MAP_FAILED) {
1843 d93dda9a 2022-05-12 thomas if (errno != ENOMEM) {
1844 d93dda9a 2022-05-12 thomas err = got_error_from_errno("mmap");
1845 d93dda9a 2022-05-12 thomas goto done;
1847 d93dda9a 2022-05-12 thomas delta_cache_map = NULL; /* fallback on stdio */
1849 d93dda9a 2022-05-12 thomas delta_cache_size = (size_t)sb.st_size;
1853 e6bcace5 2021-06-22 stsp err = hwrite(packfile, "PACK", 4, &ctx);
1855 d93dda9a 2022-05-12 thomas goto done;
1856 e6bcace5 2021-06-22 stsp putbe32(buf, GOT_PACKFILE_VERSION);
1857 e6bcace5 2021-06-22 stsp err = hwrite(packfile, buf, 4, &ctx);
1859 e6bcace5 2021-06-22 stsp goto done;
1860 f9c2e8e5 2022-02-13 thomas putbe32(buf, ndeltify + nreuse);
1861 e6bcace5 2021-06-22 stsp err = hwrite(packfile, buf, 4, &ctx);
1863 e6bcace5 2021-06-22 stsp goto done;
1865 f9c2e8e5 2022-02-13 thomas qsort(deltify, ndeltify, sizeof(struct got_pack_meta *),
1866 f9c2e8e5 2022-02-13 thomas write_order_cmp);
1867 f9c2e8e5 2022-02-13 thomas for (i = 0; i < ndeltify; i++) {
1868 31ba2236 2022-01-05 thomas err = report_progress(progress_cb, progress_arg, rl,
1869 85220b0e 2022-03-22 thomas ncolored, nfound, ntrees, packfile_size, nours,
1870 85220b0e 2022-03-22 thomas ndeltify + nreuse, ndeltify + nreuse, i);
1871 31ba2236 2022-01-05 thomas if (err)
1872 31ba2236 2022-01-05 thomas goto done;
1873 f9c2e8e5 2022-02-13 thomas m = deltify[i];
1874 f9c2e8e5 2022-02-13 thomas err = write_packed_object(&packfile_size, packfile,
1875 d93dda9a 2022-05-12 thomas delta_cache, delta_cache_map, delta_cache_size,
1876 d93dda9a 2022-05-12 thomas m, &outfd, &ctx, repo);
1877 f9c2e8e5 2022-02-13 thomas if (err)
1878 f9c2e8e5 2022-02-13 thomas goto done;
1881 f9c2e8e5 2022-02-13 thomas qsort(reuse, nreuse, sizeof(struct got_pack_meta *),
1882 f9c2e8e5 2022-02-13 thomas reuse_write_order_cmp);
1883 f9c2e8e5 2022-02-13 thomas for (i = 0; i < nreuse; i++) {
1884 f9c2e8e5 2022-02-13 thomas err = report_progress(progress_cb, progress_arg, rl,
1885 85220b0e 2022-03-22 thomas ncolored, nfound, ntrees, packfile_size, nours,
1886 85220b0e 2022-03-22 thomas ndeltify + nreuse, ndeltify + nreuse, ndeltify + i);
1887 f9c2e8e5 2022-02-13 thomas if (err)
1888 f9c2e8e5 2022-02-13 thomas goto done;
1889 f9c2e8e5 2022-02-13 thomas m = reuse[i];
1890 f9c2e8e5 2022-02-13 thomas err = write_packed_object(&packfile_size, packfile,
1891 d93dda9a 2022-05-12 thomas delta_cache, delta_cache_map, delta_cache_size,
1892 d93dda9a 2022-05-12 thomas m, &outfd, &ctx, repo);
1893 f9c2e8e5 2022-02-13 thomas if (err)
1894 f9c2e8e5 2022-02-13 thomas goto done;
1897 e6bcace5 2021-06-22 stsp SHA1Final(pack_sha1, &ctx);
1898 e6bcace5 2021-06-22 stsp n = fwrite(pack_sha1, 1, SHA1_DIGEST_LENGTH, packfile);
1899 e6bcace5 2021-06-22 stsp if (n != SHA1_DIGEST_LENGTH)
1900 e6bcace5 2021-06-22 stsp err = got_ferror(packfile, GOT_ERR_IO);
1901 05118f5a 2021-06-22 stsp packfile_size += SHA1_DIGEST_LENGTH;
1902 dc7edd42 2021-08-22 stsp packfile_size += sizeof(struct got_packfile_hdr);
1903 31ba2236 2022-01-05 thomas if (progress_cb) {
1904 85220b0e 2022-03-22 thomas err = progress_cb(progress_arg, ncolored, nfound, ntrees,
1905 85220b0e 2022-03-22 thomas packfile_size, nours, ndeltify + nreuse,
1906 85220b0e 2022-03-22 thomas ndeltify + nreuse, ndeltify + nreuse);
1907 31ba2236 2022-01-05 thomas if (err)
1908 31ba2236 2022-01-05 thomas goto done;
1911 ecf9545f 2021-10-15 thomas if (outfd != -1 && close(outfd) == -1 && err == NULL)
1912 ecf9545f 2021-10-15 thomas err = got_error_from_errno("close");
1913 d93dda9a 2022-05-12 thomas if (delta_cache_map && munmap(delta_cache_map, delta_cache_size) == -1)
1914 d93dda9a 2022-05-12 thomas err = got_error_from_errno("munmap");
1915 d93dda9a 2022-05-12 thomas if (delta_cache_fd != -1 && close(delta_cache_fd) == -1 && err == NULL)
1916 d93dda9a 2022-05-12 thomas err = got_error_from_errno("close");
1917 e6bcace5 2021-06-22 stsp return err;
1920 f9c2e8e5 2022-02-13 thomas static const struct got_error *
1921 f9c2e8e5 2022-02-13 thomas add_meta_idset_cb(struct got_object_id *id, void *data, void *arg)
1923 f9c2e8e5 2022-02-13 thomas struct got_pack_meta *m = data;
1924 f9c2e8e5 2022-02-13 thomas struct got_pack_metavec *v = arg;
1926 6c0788af 2022-05-31 thomas if (m->reused_delta_offset != 0)
1927 f291ef1f 2022-05-12 thomas return NULL;
1929 f9c2e8e5 2022-02-13 thomas return add_meta(m, v);
1932 e6bcace5 2021-06-22 stsp const struct got_error *
1933 e6bcace5 2021-06-22 stsp got_pack_create(uint8_t *packsha1, FILE *packfile,
1934 e6bcace5 2021-06-22 stsp struct got_object_id **theirs, int ntheirs,
1935 e6bcace5 2021-06-22 stsp struct got_object_id **ours, int nours,
1936 f8a36e22 2021-08-26 stsp struct got_repository *repo, int loose_obj_only, int allow_empty,
1937 05118f5a 2021-06-22 stsp got_pack_progress_cb progress_cb, void *progress_arg,
1938 05118f5a 2021-06-22 stsp got_cancel_cb cancel_cb, void *cancel_arg)
1940 e6bcace5 2021-06-22 stsp const struct got_error *err;
1941 f9c2e8e5 2022-02-13 thomas int delta_cache_fd = -1;
1942 b79280dd 2021-10-15 thomas FILE *delta_cache = NULL;
1943 f9c2e8e5 2022-02-13 thomas struct got_object_idset *idset;
1944 31ba2236 2022-01-05 thomas struct got_ratelimit rl;
1945 f9c2e8e5 2022-02-13 thomas struct got_pack_metavec deltify, reuse;
1946 85220b0e 2022-03-22 thomas int ncolored = 0, nfound = 0, ntrees = 0;
1947 f291ef1f 2022-05-12 thomas size_t ndeltify;
1948 cc524d36 2022-05-31 thomas uint32_t seed;
1950 cc524d36 2022-05-31 thomas seed = arc4random();
1952 f9c2e8e5 2022-02-13 thomas memset(&deltify, 0, sizeof(deltify));
1953 f9c2e8e5 2022-02-13 thomas memset(&reuse, 0, sizeof(reuse));
1955 31ba2236 2022-01-05 thomas got_ratelimit_init(&rl, 0, 500);
1957 f9c2e8e5 2022-02-13 thomas idset = got_object_idset_alloc();
1958 f9c2e8e5 2022-02-13 thomas if (idset == NULL)
1959 f9c2e8e5 2022-02-13 thomas return got_error_from_errno("got_object_idset_alloc");
1961 85220b0e 2022-03-22 thomas err = load_object_ids(&ncolored, &nfound, &ntrees, idset, theirs,
1962 cc524d36 2022-05-31 thomas ntheirs, ours, nours, repo, seed, loose_obj_only,
1963 85220b0e 2022-03-22 thomas progress_cb, progress_arg, &rl, cancel_cb, cancel_arg);
1965 20c6bdb6 2022-05-19 thomas goto done;
1967 f9a643e8 2022-02-13 thomas if (progress_cb) {
1968 85220b0e 2022-03-22 thomas err = progress_cb(progress_arg, ncolored, nfound, ntrees,
1969 85220b0e 2022-03-22 thomas 0L, nours, got_object_idset_num_elements(idset), 0, 0);
1970 f9a643e8 2022-02-13 thomas if (err)
1971 f9a643e8 2022-02-13 thomas goto done;
1974 f9c2e8e5 2022-02-13 thomas if (got_object_idset_num_elements(idset) == 0 && !allow_empty) {
1975 05118f5a 2021-06-22 stsp err = got_error(GOT_ERR_CANNOT_PACK);
1976 05118f5a 2021-06-22 stsp goto done;
1979 f9c2e8e5 2022-02-13 thomas delta_cache_fd = got_opentempfd();
1980 f9c2e8e5 2022-02-13 thomas if (delta_cache_fd == -1) {
1981 b79280dd 2021-10-15 thomas err = got_error_from_errno("got_opentemp");
1982 b79280dd 2021-10-15 thomas goto done;
1985 f9c2e8e5 2022-02-13 thomas reuse.metasz = 64;
1986 f9c2e8e5 2022-02-13 thomas reuse.meta = calloc(reuse.metasz,
1987 f9c2e8e5 2022-02-13 thomas sizeof(struct got_pack_meta *));
1988 f9c2e8e5 2022-02-13 thomas if (reuse.meta == NULL) {
1989 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("calloc");
1990 f9c2e8e5 2022-02-13 thomas goto done;
1993 85220b0e 2022-03-22 thomas err = search_deltas(&reuse, idset, delta_cache_fd, ncolored, nfound,
1994 85220b0e 2022-03-22 thomas ntrees, nours, repo, progress_cb, progress_arg, &rl,
1995 85220b0e 2022-03-22 thomas cancel_cb, cancel_arg);
1996 f9c2e8e5 2022-02-13 thomas if (err)
1997 f9c2e8e5 2022-02-13 thomas goto done;
1999 f9c2e8e5 2022-02-13 thomas delta_cache = fdopen(delta_cache_fd, "a+");
2000 f9c2e8e5 2022-02-13 thomas if (delta_cache == NULL) {
2001 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fdopen");
2002 f9c2e8e5 2022-02-13 thomas goto done;
2004 f9c2e8e5 2022-02-13 thomas delta_cache_fd = -1;
2006 f9c2e8e5 2022-02-13 thomas if (fseeko(delta_cache, 0L, SEEK_END) == -1) {
2007 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fseeko");
2008 f9c2e8e5 2022-02-13 thomas goto done;
2011 f291ef1f 2022-05-12 thomas ndeltify = got_object_idset_num_elements(idset) - reuse.nmeta;
2012 f291ef1f 2022-05-12 thomas if (ndeltify > 0) {
2013 f291ef1f 2022-05-12 thomas deltify.meta = calloc(ndeltify, sizeof(struct got_pack_meta *));
2014 f291ef1f 2022-05-12 thomas if (deltify.meta == NULL) {
2015 f291ef1f 2022-05-12 thomas err = got_error_from_errno("calloc");
2016 f291ef1f 2022-05-12 thomas goto done;
2018 f291ef1f 2022-05-12 thomas deltify.metasz = ndeltify;
2020 f291ef1f 2022-05-12 thomas err = got_object_idset_for_each(idset, add_meta_idset_cb,
2021 f291ef1f 2022-05-12 thomas &deltify);
2023 f8a36e22 2021-08-26 stsp goto done;
2024 f291ef1f 2022-05-12 thomas if (deltify.nmeta > 0) {
2025 f291ef1f 2022-05-12 thomas err = pick_deltas(deltify.meta, deltify.nmeta,
2026 f291ef1f 2022-05-12 thomas ncolored, nfound, ntrees, nours, reuse.nmeta,
2027 f291ef1f 2022-05-12 thomas delta_cache, repo, progress_cb, progress_arg, &rl,
2028 f291ef1f 2022-05-12 thomas cancel_cb, cancel_arg);
2029 f291ef1f 2022-05-12 thomas if (err)
2030 f291ef1f 2022-05-12 thomas goto done;
2034 9249e7e3 2022-05-12 thomas if (fflush(delta_cache) == EOF) {
2035 9249e7e3 2022-05-12 thomas err = got_error_from_errno("fflush");
2036 9249e7e3 2022-05-12 thomas goto done;
2038 f9c2e8e5 2022-02-13 thomas err = genpack(packsha1, packfile, delta_cache, deltify.meta,
2039 85220b0e 2022-03-22 thomas deltify.nmeta, reuse.meta, reuse.nmeta, ncolored, nfound, ntrees,
2040 85220b0e 2022-03-22 thomas nours, repo, progress_cb, progress_arg, &rl,
2041 85220b0e 2022-03-22 thomas cancel_cb, cancel_arg);
2043 e6bcace5 2021-06-22 stsp goto done;
2045 f9c2e8e5 2022-02-13 thomas free_nmeta(deltify.meta, deltify.nmeta);
2046 f9c2e8e5 2022-02-13 thomas free_nmeta(reuse.meta, reuse.nmeta);
2047 f9c2e8e5 2022-02-13 thomas got_object_idset_free(idset);
2048 f9c2e8e5 2022-02-13 thomas if (delta_cache_fd != -1 && close(delta_cache_fd) == -1 && err == NULL)
2049 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("close");
2050 b79280dd 2021-10-15 thomas if (delta_cache && fclose(delta_cache) == EOF && err == NULL)
2051 b79280dd 2021-10-15 thomas err = got_error_from_errno("fclose");
2052 e6bcace5 2021-06-22 stsp return err;
