2 5d56da81 2019-01-13 stsp * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4 c48c4a9c 2018-03-11 stsp * Permission to use, copy, modify, and distribute this software for any
5 c48c4a9c 2018-03-11 stsp * purpose with or without fee is hereby granted, provided that the above
6 c48c4a9c 2018-03-11 stsp * copyright notice and this permission notice appear in all copies.
8 c48c4a9c 2018-03-11 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 c48c4a9c 2018-03-11 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 c48c4a9c 2018-03-11 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 c48c4a9c 2018-03-11 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 c48c4a9c 2018-03-11 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 c48c4a9c 2018-03-11 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 c48c4a9c 2018-03-11 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 4fccd2fe 2023-03-08 thomas #include "got_compat.h"
19 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
20 c48c4a9c 2018-03-11 stsp #include <sys/stat.h>
22 03df25b3 2019-05-11 stsp #include <errno.h>
23 d1f6d47b 2019-02-04 stsp #include <dirent.h>
24 6fc93f37 2019-12-13 stsp #include <fcntl.h>
25 c48c4a9c 2018-03-11 stsp #include <stdio.h>
26 c48c4a9c 2018-03-11 stsp #include <stdlib.h>
27 c48c4a9c 2018-03-11 stsp #include <string.h>
28 133d2798 2019-01-08 stsp #include <limits.h>
29 6fc93f37 2019-12-13 stsp #include <unistd.h>
31 c48c4a9c 2018-03-11 stsp #include "got_error.h"
32 8da9e5f4 2019-01-12 stsp #include "got_object.h"
33 324d37e7 2019-05-11 stsp #include "got_path.h"
35 b16893ba 2023-02-24 thomas #include "got_lib_hash.h"
36 718b3ab0 2018-03-17 stsp #include "got_lib_fileindex.h"
37 b25ae4fa 2019-02-04 stsp #include "got_lib_worktree.h"
39 eb983b4b 2019-03-26 stsp /* got_fileindex_entry flags */
40 eb983b4b 2019-03-26 stsp #define GOT_FILEIDX_F_PATH_LEN 0x00000fff
41 83718700 2019-08-03 stsp #define GOT_FILEIDX_F_STAGE 0x0000f000
42 3cd04235 2019-08-03 stsp #define GOT_FILEIDX_F_STAGE_SHIFT 12
43 ddce0520 2019-03-26 stsp #define GOT_FILEIDX_F_NOT_FLUSHED 0x00010000
44 ddce0520 2019-03-26 stsp #define GOT_FILEIDX_F_NO_BLOB 0x00020000
45 ddce0520 2019-03-26 stsp #define GOT_FILEIDX_F_NO_COMMIT 0x00040000
46 2ec1f75b 2019-03-26 stsp #define GOT_FILEIDX_F_NO_FILE_ON_DISK 0x00080000
47 a46b9f33 2020-01-28 stsp #define GOT_FILEIDX_F_REMOVE_ON_FLUSH 0x00100000
48 a769b60b 2021-06-27 stsp #define GOT_FILEIDX_F_SKIPPED 0x00200000
50 133d2798 2019-01-08 stsp struct got_fileindex {
51 133d2798 2019-01-08 stsp struct got_fileindex_tree entries;
52 a46b9f33 2020-01-28 stsp int nentries; /* Does not include entries marked for removal. */
53 133d2798 2019-01-08 stsp #define GOT_FILEIDX_MAX_ENTRIES INT_MAX
57 0aeb8099 2020-07-23 stsp got_fileindex_entry_perms_get(struct got_fileindex_entry *ie)
59 4723f050 2020-07-23 stsp return ((ie->mode & GOT_FILEIDX_MODE_PERMS) >>
60 4723f050 2020-07-23 stsp GOT_FILEIDX_MODE_PERMS_SHIFT);
64 cf34e6e7 2020-07-23 stsp fileindex_entry_perms_set(struct got_fileindex_entry *ie, mode_t mode)
66 4723f050 2020-07-23 stsp ie->mode &= ~GOT_FILEIDX_MODE_PERMS;
67 4723f050 2020-07-23 stsp ie->mode |= ((mode << GOT_FILEIDX_MODE_PERMS_SHIFT) &
68 4723f050 2020-07-23 stsp GOT_FILEIDX_MODE_PERMS);
72 26a7fe28 2019-07-27 stsp got_fileindex_perms_to_st(struct got_fileindex_entry *ie)
74 0aeb8099 2020-07-23 stsp mode_t perms = got_fileindex_entry_perms_get(ie);
75 4723f050 2020-07-23 stsp int type = got_fileindex_entry_filetype_get(ie);
76 4723f050 2020-07-23 stsp uint32_t ftype;
78 4723f050 2020-07-23 stsp if (type == GOT_FILEIDX_MODE_REGULAR_FILE ||
79 4723f050 2020-07-23 stsp type == GOT_FILEIDX_MODE_BAD_SYMLINK)
80 4723f050 2020-07-23 stsp ftype = S_IFREG;
82 4723f050 2020-07-23 stsp ftype = S_IFLNK;
84 4723f050 2020-07-23 stsp return (ftype | (perms & (S_IRWXU | S_IRWXG | S_IRWXO)));
87 c48c4a9c 2018-03-11 stsp const struct got_error *
88 3f762da0 2019-08-03 stsp got_fileindex_entry_update(struct got_fileindex_entry *ie,
89 437adc9d 2020-12-10 yzhong int wt_fd, const char *ondisk_path, uint8_t *blob_sha1,
90 437adc9d 2020-12-10 yzhong uint8_t *commit_sha1, int update_timestamps)
92 c48c4a9c 2018-03-11 stsp struct stat sb;
94 437adc9d 2020-12-10 yzhong if (fstatat(wt_fd, ondisk_path, &sb, AT_SYMLINK_NOFOLLOW) != 0) {
95 b15816dd 2019-08-11 stsp if (!((ie->flags & GOT_FILEIDX_F_NO_FILE_ON_DISK) &&
96 b15816dd 2019-08-11 stsp errno == ENOENT))
97 437adc9d 2020-12-10 yzhong return got_error_from_errno2("fstatat", ondisk_path);
98 aa9ad276 2020-07-25 stsp sb.st_mode = GOT_DEFAULT_FILE_MODE;
100 03df25b3 2019-05-11 stsp if (sb.st_mode & S_IFDIR)
101 03df25b3 2019-05-11 stsp return got_error_set_errno(EISDIR, ondisk_path);
102 3f762da0 2019-08-03 stsp ie->flags &= ~GOT_FILEIDX_F_NO_FILE_ON_DISK;
105 3f762da0 2019-08-03 stsp if ((ie->flags & GOT_FILEIDX_F_NO_FILE_ON_DISK) == 0) {
106 13d9040b 2019-03-27 stsp if (update_timestamps) {
107 0823ffc2 2020-09-10 naddy ie->ctime_sec = sb.st_ctim.tv_sec;
108 0823ffc2 2020-09-10 naddy ie->ctime_nsec = sb.st_ctim.tv_nsec;
109 0823ffc2 2020-09-10 naddy ie->mtime_sec = sb.st_mtim.tv_sec;
110 0823ffc2 2020-09-10 naddy ie->mtime_nsec = sb.st_mtim.tv_nsec;
112 3f762da0 2019-08-03 stsp ie->uid = sb.st_uid;
113 3f762da0 2019-08-03 stsp ie->gid = sb.st_gid;
114 3f762da0 2019-08-03 stsp ie->size = (sb.st_size & 0xffffffff);
115 4723f050 2020-07-23 stsp if (S_ISLNK(sb.st_mode)) {
116 4723f050 2020-07-23 stsp got_fileindex_entry_filetype_set(ie,
117 4723f050 2020-07-23 stsp GOT_FILEIDX_MODE_SYMLINK);
118 cf34e6e7 2020-07-23 stsp fileindex_entry_perms_set(ie, 0);
120 4723f050 2020-07-23 stsp got_fileindex_entry_filetype_set(ie,
121 4723f050 2020-07-23 stsp GOT_FILEIDX_MODE_REGULAR_FILE);
122 cf34e6e7 2020-07-23 stsp fileindex_entry_perms_set(ie,
123 4723f050 2020-07-23 stsp sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO));
127 ddce0520 2019-03-26 stsp if (blob_sha1) {
128 3f762da0 2019-08-03 stsp memcpy(ie->blob_sha1, blob_sha1, SHA1_DIGEST_LENGTH);
129 3f762da0 2019-08-03 stsp ie->flags &= ~GOT_FILEIDX_F_NO_BLOB;
131 3f762da0 2019-08-03 stsp ie->flags |= GOT_FILEIDX_F_NO_BLOB;
133 ddce0520 2019-03-26 stsp if (commit_sha1) {
134 3f762da0 2019-08-03 stsp memcpy(ie->commit_sha1, commit_sha1, SHA1_DIGEST_LENGTH);
135 3f762da0 2019-08-03 stsp ie->flags &= ~GOT_FILEIDX_F_NO_COMMIT;
137 3f762da0 2019-08-03 stsp ie->flags |= GOT_FILEIDX_F_NO_COMMIT;
139 51514078 2018-12-25 stsp return NULL;
143 3f762da0 2019-08-03 stsp got_fileindex_entry_mark_deleted_from_disk(struct got_fileindex_entry *ie)
145 3f762da0 2019-08-03 stsp ie->flags |= GOT_FILEIDX_F_NO_FILE_ON_DISK;
149 a769b60b 2021-06-27 stsp got_fileindex_entry_mark_skipped(struct got_fileindex_entry *ie)
151 a769b60b 2021-06-27 stsp ie->flags |= GOT_FILEIDX_F_SKIPPED;
154 51514078 2018-12-25 stsp const struct got_error *
155 3f762da0 2019-08-03 stsp got_fileindex_entry_alloc(struct got_fileindex_entry **ie,
156 3969253a 2020-03-07 stsp const char *relpath)
158 51514078 2018-12-25 stsp size_t len;
160 3f762da0 2019-08-03 stsp *ie = calloc(1, sizeof(**ie));
161 3f762da0 2019-08-03 stsp if (*ie == NULL)
162 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
164 3f762da0 2019-08-03 stsp (*ie)->path = strdup(relpath);
165 3f762da0 2019-08-03 stsp if ((*ie)->path == NULL) {
166 638f9024 2019-05-13 stsp const struct got_error *err = got_error_from_errno("strdup");
168 3f762da0 2019-08-03 stsp *ie = NULL;
169 0a585a0d 2018-03-17 stsp return err;
172 4d555405 2019-08-03 stsp len = strlen(relpath);
173 a7f9d64d 2019-01-13 stsp if (len > GOT_FILEIDX_F_PATH_LEN)
174 a7f9d64d 2019-01-13 stsp len = GOT_FILEIDX_F_PATH_LEN;
175 3f762da0 2019-08-03 stsp (*ie)->flags |= len;
177 3969253a 2020-03-07 stsp return NULL;
181 3f762da0 2019-08-03 stsp got_fileindex_entry_free(struct got_fileindex_entry *ie)
183 3f762da0 2019-08-03 stsp free(ie->path);
188 4d555405 2019-08-03 stsp got_fileindex_entry_path_len(const struct got_fileindex_entry *ie)
190 4d555405 2019-08-03 stsp return (size_t)(ie->flags & GOT_FILEIDX_F_PATH_LEN);
194 0cb83759 2019-08-03 stsp got_fileindex_entry_stage_get(const struct got_fileindex_entry *ie)
196 df335242 2019-08-03 stsp return ((ie->flags & GOT_FILEIDX_F_STAGE) >> GOT_FILEIDX_F_STAGE_SHIFT);
200 0cb83759 2019-08-03 stsp got_fileindex_entry_stage_set(struct got_fileindex_entry *ie, uint32_t stage)
202 0cb83759 2019-08-03 stsp ie->flags &= ~GOT_FILEIDX_F_STAGE;
203 0cb83759 2019-08-03 stsp ie->flags |= ((stage << GOT_FILEIDX_F_STAGE_SHIFT) &
204 0cb83759 2019-08-03 stsp GOT_FILEIDX_F_STAGE);
208 2e1fa222 2020-07-23 stsp got_fileindex_entry_filetype_get(struct got_fileindex_entry *ie)
210 f5f1f9c2 2020-07-23 stsp return (ie->mode & GOT_FILEIDX_MODE_FILE_TYPE_ONDISK);
214 2e1fa222 2020-07-23 stsp got_fileindex_entry_filetype_set(struct got_fileindex_entry *ie, int type)
216 6131ab45 2020-07-23 stsp ie->mode &= ~GOT_FILEIDX_MODE_FILE_TYPE_ONDISK;
217 6131ab45 2020-07-23 stsp ie->mode |= (type & GOT_FILEIDX_MODE_FILE_TYPE_ONDISK);
221 48b4f239 2021-12-31 thomas got_fileindex_entry_staged_filetype_set(struct got_fileindex_entry *ie,
222 48b4f239 2021-12-31 thomas int type)
224 984c073d 2020-07-23 stsp ie->mode &= ~GOT_FILEIDX_MODE_FILE_TYPE_STAGED;
225 984c073d 2020-07-23 stsp ie->mode |= ((type << GOT_FILEIDX_MODE_FILE_TYPE_STAGED_SHIFT) &
226 984c073d 2020-07-23 stsp GOT_FILEIDX_MODE_FILE_TYPE_STAGED);
230 984c073d 2020-07-23 stsp got_fileindex_entry_staged_filetype_get(struct got_fileindex_entry *ie)
232 984c073d 2020-07-23 stsp return (ie->mode & GOT_FILEIDX_MODE_FILE_TYPE_STAGED) >>
233 984c073d 2020-07-23 stsp GOT_FILEIDX_MODE_FILE_TYPE_STAGED_SHIFT;
237 d00136be 2019-03-26 stsp got_fileindex_entry_has_blob(struct got_fileindex_entry *ie)
239 d00136be 2019-03-26 stsp return (ie->flags & GOT_FILEIDX_F_NO_BLOB) == 0;
243 d00136be 2019-03-26 stsp got_fileindex_entry_has_commit(struct got_fileindex_entry *ie)
245 d00136be 2019-03-26 stsp return (ie->flags & GOT_FILEIDX_F_NO_COMMIT) == 0;
249 2ec1f75b 2019-03-26 stsp got_fileindex_entry_has_file_on_disk(struct got_fileindex_entry *ie)
251 2ec1f75b 2019-03-26 stsp return (ie->flags & GOT_FILEIDX_F_NO_FILE_ON_DISK) == 0;
255 a769b60b 2021-06-27 stsp got_fileindex_entry_was_skipped(struct got_fileindex_entry *ie)
257 a769b60b 2021-06-27 stsp return (ie->flags & GOT_FILEIDX_F_SKIPPED) != 0;
260 50952927 2019-01-12 stsp static const struct got_error *
261 3f762da0 2019-08-03 stsp add_entry(struct got_fileindex *fileindex, struct got_fileindex_entry *ie)
263 133d2798 2019-01-08 stsp if (fileindex->nentries >= GOT_FILEIDX_MAX_ENTRIES)
264 133d2798 2019-01-08 stsp return got_error(GOT_ERR_NO_SPACE);
266 9fad5d8c 2022-04-16 thomas if (RB_INSERT(got_fileindex_tree, &fileindex->entries, ie) != NULL)
267 9fad5d8c 2022-04-16 thomas return got_error_path(ie->path, GOT_ERR_FILEIDX_DUP_ENTRY);
269 133d2798 2019-01-08 stsp fileindex->nentries++;
270 133d2798 2019-01-08 stsp return NULL;
273 50952927 2019-01-12 stsp const struct got_error *
274 50952927 2019-01-12 stsp got_fileindex_entry_add(struct got_fileindex *fileindex,
275 3f762da0 2019-08-03 stsp struct got_fileindex_entry *ie)
277 50952927 2019-01-12 stsp /* Flag this entry until it gets written out to disk. */
278 3f762da0 2019-08-03 stsp ie->flags |= GOT_FILEIDX_F_NOT_FLUSHED;
280 3f762da0 2019-08-03 stsp return add_entry(fileindex, ie);
284 512f0d0e 2019-01-02 stsp got_fileindex_entry_remove(struct got_fileindex *fileindex,
285 3f762da0 2019-08-03 stsp struct got_fileindex_entry *ie)
288 a46b9f33 2020-01-28 stsp * Removing an entry from the RB tree immediately breaks
289 a46b9f33 2020-01-28 stsp * in-progress iterations over file index entries.
290 8bd8568c 2020-04-24 stsp * So flag this entry for removal and remove it once the index
291 8bd8568c 2020-04-24 stsp * is written out to disk. Meanwhile, pretend this entry no longer
292 a46b9f33 2020-01-28 stsp * exists if we get queried for it again before then.
294 a46b9f33 2020-01-28 stsp ie->flags |= GOT_FILEIDX_F_REMOVE_ON_FLUSH;
295 133d2798 2019-01-08 stsp fileindex->nentries--;
298 51514078 2018-12-25 stsp struct got_fileindex_entry *
299 d6c87207 2019-08-02 stsp got_fileindex_entry_get(struct got_fileindex *fileindex, const char *path,
300 d6c87207 2019-08-02 stsp size_t path_len)
302 a46b9f33 2020-01-28 stsp struct got_fileindex_entry *ie;
303 133d2798 2019-01-08 stsp struct got_fileindex_entry key;
304 133d2798 2019-01-08 stsp memset(&key, 0, sizeof(key));
305 133d2798 2019-01-08 stsp key.path = (char *)path;
306 4d555405 2019-08-03 stsp key.flags = (path_len & GOT_FILEIDX_F_PATH_LEN);
307 a46b9f33 2020-01-28 stsp ie = RB_FIND(got_fileindex_tree, &fileindex->entries, &key);
308 a46b9f33 2020-01-28 stsp if (ie && (ie->flags & GOT_FILEIDX_F_REMOVE_ON_FLUSH))
309 a46b9f33 2020-01-28 stsp return NULL;
313 512f0d0e 2019-01-02 stsp const struct got_error *
314 e1ed7f77 2019-01-06 stsp got_fileindex_for_each_entry_safe(struct got_fileindex *fileindex,
315 b504a804 2019-01-08 stsp got_fileindex_cb cb, void *cb_arg)
317 133d2798 2019-01-08 stsp const struct got_error *err;
318 3f762da0 2019-08-03 stsp struct got_fileindex_entry *ie, *tmp;
320 3f762da0 2019-08-03 stsp RB_FOREACH_SAFE(ie, got_fileindex_tree, &fileindex->entries, tmp) {
321 a46b9f33 2020-01-28 stsp if (ie->flags & GOT_FILEIDX_F_REMOVE_ON_FLUSH)
323 3f762da0 2019-08-03 stsp err = (*cb)(cb_arg, ie);
325 133d2798 2019-01-08 stsp return err;
327 b504a804 2019-01-08 stsp return NULL;
330 133d2798 2019-01-08 stsp struct got_fileindex *
331 133d2798 2019-01-08 stsp got_fileindex_alloc(void)
333 133d2798 2019-01-08 stsp struct got_fileindex *fileindex;
335 133d2798 2019-01-08 stsp fileindex = calloc(1, sizeof(*fileindex));
336 133d2798 2019-01-08 stsp if (fileindex == NULL)
337 133d2798 2019-01-08 stsp return NULL;
339 133d2798 2019-01-08 stsp RB_INIT(&fileindex->entries);
340 133d2798 2019-01-08 stsp return fileindex;
344 7426bbfd 2018-12-24 stsp got_fileindex_free(struct got_fileindex *fileindex)
346 3f762da0 2019-08-03 stsp struct got_fileindex_entry *ie;
348 3f762da0 2019-08-03 stsp while ((ie = RB_MIN(got_fileindex_tree, &fileindex->entries))) {
349 3f762da0 2019-08-03 stsp RB_REMOVE(got_fileindex_tree, &fileindex->entries, ie);
350 3f762da0 2019-08-03 stsp got_fileindex_entry_free(ie);
352 9d31a1d8 2018-03-11 stsp free(fileindex);
355 c34b20a2 2018-03-12 stsp static const struct got_error *
356 b16893ba 2023-02-24 thomas write_fileindex_val64(struct got_hash *ctx, uint64_t val, FILE *outfile)
360 c34b20a2 2018-03-12 stsp val = htobe64(val);
361 b16893ba 2023-02-24 thomas got_hash_update(ctx, &val, sizeof(val));
362 3fe2daf1 2018-12-24 stsp n = fwrite(&val, 1, sizeof(val), outfile);
363 c34b20a2 2018-03-12 stsp if (n != sizeof(val))
364 c34b20a2 2018-03-12 stsp return got_ferror(outfile, GOT_ERR_IO);
365 c34b20a2 2018-03-12 stsp return NULL;
368 c34b20a2 2018-03-12 stsp static const struct got_error *
369 b16893ba 2023-02-24 thomas write_fileindex_val32(struct got_hash *ctx, uint32_t val, FILE *outfile)
373 c34b20a2 2018-03-12 stsp val = htobe32(val);
374 b16893ba 2023-02-24 thomas got_hash_update(ctx, &val, sizeof(val));
375 3fe2daf1 2018-12-24 stsp n = fwrite(&val, 1, sizeof(val), outfile);
376 c34b20a2 2018-03-12 stsp if (n != sizeof(val))
377 c34b20a2 2018-03-12 stsp return got_ferror(outfile, GOT_ERR_IO);
378 c34b20a2 2018-03-12 stsp return NULL;
381 c34b20a2 2018-03-12 stsp static const struct got_error *
382 b16893ba 2023-02-24 thomas write_fileindex_val16(struct got_hash *ctx, uint16_t val, FILE *outfile)
386 c34b20a2 2018-03-12 stsp val = htobe16(val);
387 b16893ba 2023-02-24 thomas got_hash_update(ctx, &val, sizeof(val));
388 3fe2daf1 2018-12-24 stsp n = fwrite(&val, 1, sizeof(val), outfile);
389 c34b20a2 2018-03-12 stsp if (n != sizeof(val))
390 c34b20a2 2018-03-12 stsp return got_ferror(outfile, GOT_ERR_IO);
391 c34b20a2 2018-03-12 stsp return NULL;
394 c34b20a2 2018-03-12 stsp static const struct got_error *
395 b16893ba 2023-02-24 thomas write_fileindex_path(struct got_hash *ctx, const char *path, FILE *outfile)
397 3c5b70f2 2018-12-27 stsp size_t n, len, pad = 0;
398 c34b20a2 2018-03-12 stsp static const uint8_t zero[8] = { 0 };
400 c34b20a2 2018-03-12 stsp len = strlen(path);
401 3c5b70f2 2018-12-27 stsp while ((len + pad) % 8 != 0)
403 3c5b70f2 2018-12-27 stsp if (pad == 0)
404 3c5b70f2 2018-12-27 stsp pad = 8; /* NUL-terminate */
406 b16893ba 2023-02-24 thomas got_hash_update(ctx, path, len);
407 c34b20a2 2018-03-12 stsp n = fwrite(path, 1, len, outfile);
408 c34b20a2 2018-03-12 stsp if (n != len)
409 c34b20a2 2018-03-12 stsp return got_ferror(outfile, GOT_ERR_IO);
410 b16893ba 2023-02-24 thomas got_hash_update(ctx, zero, pad);
411 c34b20a2 2018-03-12 stsp n = fwrite(zero, 1, pad, outfile);
412 c34b20a2 2018-03-12 stsp if (n != pad)
413 c34b20a2 2018-03-12 stsp return got_ferror(outfile, GOT_ERR_IO);
414 c34b20a2 2018-03-12 stsp return NULL;
417 c34b20a2 2018-03-12 stsp static const struct got_error *
418 b16893ba 2023-02-24 thomas write_fileindex_entry(struct got_hash *ctx, struct got_fileindex_entry *ie,
419 c34b20a2 2018-03-12 stsp FILE *outfile)
421 c34b20a2 2018-03-12 stsp const struct got_error *err;
423 df335242 2019-08-03 stsp uint32_t stage;
425 3f762da0 2019-08-03 stsp err = write_fileindex_val64(ctx, ie->ctime_sec, outfile);
427 c34b20a2 2018-03-12 stsp return err;
428 3f762da0 2019-08-03 stsp err = write_fileindex_val64(ctx, ie->ctime_nsec, outfile);
430 c34b20a2 2018-03-12 stsp return err;
431 3f762da0 2019-08-03 stsp err = write_fileindex_val64(ctx, ie->mtime_sec, outfile);
433 c34b20a2 2018-03-12 stsp return err;
434 3f762da0 2019-08-03 stsp err = write_fileindex_val64(ctx, ie->mtime_nsec, outfile);
436 c34b20a2 2018-03-12 stsp return err;
438 3f762da0 2019-08-03 stsp err = write_fileindex_val32(ctx, ie->uid, outfile);
440 c34b20a2 2018-03-12 stsp return err;
441 3f762da0 2019-08-03 stsp err = write_fileindex_val32(ctx, ie->gid, outfile);
443 c34b20a2 2018-03-12 stsp return err;
444 3f762da0 2019-08-03 stsp err = write_fileindex_val32(ctx, ie->size, outfile);
446 c34b20a2 2018-03-12 stsp return err;
448 3f762da0 2019-08-03 stsp err = write_fileindex_val16(ctx, ie->mode, outfile);
450 c34b20a2 2018-03-12 stsp return err;
452 b16893ba 2023-02-24 thomas got_hash_update(ctx, ie->blob_sha1, SHA1_DIGEST_LENGTH);
453 3f762da0 2019-08-03 stsp n = fwrite(ie->blob_sha1, 1, SHA1_DIGEST_LENGTH, outfile);
454 fc76cabb 2018-12-25 stsp if (n != SHA1_DIGEST_LENGTH)
455 fc76cabb 2018-12-25 stsp return got_ferror(outfile, GOT_ERR_IO);
457 b16893ba 2023-02-24 thomas got_hash_update(ctx, ie->commit_sha1, SHA1_DIGEST_LENGTH);
458 3f762da0 2019-08-03 stsp n = fwrite(ie->commit_sha1, 1, SHA1_DIGEST_LENGTH, outfile);
459 c34b20a2 2018-03-12 stsp if (n != SHA1_DIGEST_LENGTH)
460 c34b20a2 2018-03-12 stsp return got_ferror(outfile, GOT_ERR_IO);
462 3f762da0 2019-08-03 stsp err = write_fileindex_val32(ctx, ie->flags, outfile);
464 c34b20a2 2018-03-12 stsp return err;
466 3f762da0 2019-08-03 stsp err = write_fileindex_path(ctx, ie->path, outfile);
468 df335242 2019-08-03 stsp return err;
470 0cb83759 2019-08-03 stsp stage = got_fileindex_entry_stage_get(ie);
471 df335242 2019-08-03 stsp if (stage == GOT_FILEIDX_STAGE_MODIFY ||
472 df335242 2019-08-03 stsp stage == GOT_FILEIDX_STAGE_ADD) {
473 b16893ba 2023-02-24 thomas got_hash_update(ctx, ie->staged_blob_sha1, SHA1_DIGEST_LENGTH);
474 df335242 2019-08-03 stsp n = fwrite(ie->staged_blob_sha1, 1, SHA1_DIGEST_LENGTH,
476 df335242 2019-08-03 stsp if (n != SHA1_DIGEST_LENGTH)
477 df335242 2019-08-03 stsp return got_ferror(outfile, GOT_ERR_IO);
480 df335242 2019-08-03 stsp return NULL;
483 9d31a1d8 2018-03-11 stsp const struct got_error *
484 9d31a1d8 2018-03-11 stsp got_fileindex_write(struct got_fileindex *fileindex, FILE *outfile)
486 b504a804 2019-01-08 stsp const struct got_error *err = NULL;
487 c34b20a2 2018-03-12 stsp struct got_fileindex_hdr hdr;
488 b16893ba 2023-02-24 thomas struct got_hash ctx;
489 b16893ba 2023-02-24 thomas uint8_t hash[GOT_HASH_DIGEST_MAXLEN];
491 8bd8568c 2020-04-24 stsp struct got_fileindex_entry *ie, *tmp;
493 b16893ba 2023-02-24 thomas got_hash_init(&ctx, GOT_HASH_SHA1);
495 c34b20a2 2018-03-12 stsp hdr.signature = htobe32(GOT_FILE_INDEX_SIGNATURE);
496 c34b20a2 2018-03-12 stsp hdr.version = htobe32(GOT_FILE_INDEX_VERSION);
497 133d2798 2019-01-08 stsp hdr.nentries = htobe32(fileindex->nentries);
499 b16893ba 2023-02-24 thomas got_hash_update(&ctx, &hdr.signature, sizeof(hdr.signature));
500 b16893ba 2023-02-24 thomas got_hash_update(&ctx, &hdr.version, sizeof(hdr.version));
501 b16893ba 2023-02-24 thomas got_hash_update(&ctx, &hdr.nentries, sizeof(hdr.nentries));
502 a5744d71 2019-01-12 stsp n = fwrite(&hdr.signature, 1, sizeof(hdr.signature), outfile);
503 a5744d71 2019-01-12 stsp if (n != sizeof(hdr.signature))
504 a5744d71 2019-01-12 stsp return got_ferror(outfile, GOT_ERR_IO);
505 a5744d71 2019-01-12 stsp n = fwrite(&hdr.version, 1, sizeof(hdr.version), outfile);
506 a5744d71 2019-01-12 stsp if (n != sizeof(hdr.version))
507 c34b20a2 2018-03-12 stsp return got_ferror(outfile, GOT_ERR_IO);
508 a5744d71 2019-01-12 stsp n = fwrite(&hdr.nentries, 1, sizeof(hdr.nentries), outfile);
509 a5744d71 2019-01-12 stsp if (n != sizeof(hdr.nentries))
510 a5744d71 2019-01-12 stsp return got_ferror(outfile, GOT_ERR_IO);
512 8bd8568c 2020-04-24 stsp RB_FOREACH_SAFE(ie, got_fileindex_tree, &fileindex->entries, tmp) {
513 3f762da0 2019-08-03 stsp ie->flags &= ~GOT_FILEIDX_F_NOT_FLUSHED;
514 a769b60b 2021-06-27 stsp ie->flags &= ~GOT_FILEIDX_F_SKIPPED;
515 8bd8568c 2020-04-24 stsp if (ie->flags & GOT_FILEIDX_F_REMOVE_ON_FLUSH) {
516 8bd8568c 2020-04-24 stsp RB_REMOVE(got_fileindex_tree, &fileindex->entries, ie);
517 8bd8568c 2020-04-24 stsp got_fileindex_entry_free(ie);
520 3f762da0 2019-08-03 stsp err = write_fileindex_entry(&ctx, ie, outfile);
522 133d2798 2019-01-08 stsp return err;
525 b16893ba 2023-02-24 thomas got_hash_final(&ctx, hash);
526 b16893ba 2023-02-24 thomas n = fwrite(hash, 1, SHA1_DIGEST_LENGTH, outfile);
527 b16893ba 2023-02-24 thomas if (n != SHA1_DIGEST_LENGTH)
528 c34b20a2 2018-03-12 stsp return got_ferror(outfile, GOT_ERR_IO);
530 27d0e5bd 2019-01-12 stsp if (fflush(outfile) != 0)
531 638f9024 2019-05-13 stsp return got_error_from_errno("fflush");
533 52a74475 2018-12-24 stsp return NULL;
536 52a74475 2018-12-24 stsp static const struct got_error *
537 b16893ba 2023-02-24 thomas read_fileindex_val64(uint64_t *val, struct got_hash *ctx, FILE *infile)
541 3fe2daf1 2018-12-24 stsp n = fread(val, 1, sizeof(*val), infile);
542 3fe2daf1 2018-12-24 stsp if (n != sizeof(*val))
543 27793341 2019-01-12 stsp return got_ferror(infile, GOT_ERR_FILEIDX_BAD);
544 b16893ba 2023-02-24 thomas got_hash_update(ctx, val, sizeof(*val));
545 9eb6a6b2 2018-12-24 stsp *val = be64toh(*val);
546 52a74475 2018-12-24 stsp return NULL;
549 52a74475 2018-12-24 stsp static const struct got_error *
550 b16893ba 2023-02-24 thomas read_fileindex_val32(uint32_t *val, struct got_hash *ctx, FILE *infile)
554 3fe2daf1 2018-12-24 stsp n = fread(val, 1, sizeof(*val), infile);
555 3fe2daf1 2018-12-24 stsp if (n != sizeof(*val))
556 27793341 2019-01-12 stsp return got_ferror(infile, GOT_ERR_FILEIDX_BAD);
557 b16893ba 2023-02-24 thomas got_hash_update(ctx, val, sizeof(*val));
558 9eb6a6b2 2018-12-24 stsp *val = be32toh(*val);
559 52a74475 2018-12-24 stsp return NULL;
562 52a74475 2018-12-24 stsp static const struct got_error *
563 b16893ba 2023-02-24 thomas read_fileindex_val16(uint16_t *val, struct got_hash *ctx, FILE *infile)
567 3fe2daf1 2018-12-24 stsp n = fread(val, 1, sizeof(*val), infile);
568 3fe2daf1 2018-12-24 stsp if (n != sizeof(*val))
569 27793341 2019-01-12 stsp return got_ferror(infile, GOT_ERR_FILEIDX_BAD);
570 b16893ba 2023-02-24 thomas got_hash_update(ctx, val, sizeof(*val));
571 9eb6a6b2 2018-12-24 stsp *val = be16toh(*val);
572 52a74475 2018-12-24 stsp return NULL;
575 52a74475 2018-12-24 stsp static const struct got_error *
576 b16893ba 2023-02-24 thomas read_fileindex_path(char **path, struct got_hash *ctx, FILE *infile)
578 52a74475 2018-12-24 stsp const struct got_error *err = NULL;
579 6bf2c316 2019-08-02 stsp const size_t chunk_size = 8;
580 6bf2c316 2019-08-02 stsp size_t n, len = 0, totlen = chunk_size;
582 52a74475 2018-12-24 stsp *path = malloc(totlen);
583 52a74475 2018-12-24 stsp if (*path == NULL)
584 638f9024 2019-05-13 stsp return got_error_from_errno("malloc");
587 6bf2c316 2019-08-02 stsp if (len + chunk_size > totlen) {
588 6bf2c316 2019-08-02 stsp char *p = reallocarray(*path, totlen + chunk_size, 1);
589 52a74475 2018-12-24 stsp if (p == NULL) {
590 638f9024 2019-05-13 stsp err = got_error_from_errno("reallocarray");
593 6bf2c316 2019-08-02 stsp totlen += chunk_size;
596 6bf2c316 2019-08-02 stsp n = fread(*path + len, 1, chunk_size, infile);
597 6bf2c316 2019-08-02 stsp if (n != chunk_size) {
598 6bf2c316 2019-08-02 stsp err = got_ferror(infile, GOT_ERR_FILEIDX_BAD);
601 b16893ba 2023-02-24 thomas got_hash_update(ctx, *path + len, chunk_size);
602 6bf2c316 2019-08-02 stsp len += chunk_size;
603 6bf2c316 2019-08-02 stsp } while (memchr(*path + len - chunk_size, '\0', chunk_size) == NULL);
606 52a74475 2018-12-24 stsp free(*path);
607 52a74475 2018-12-24 stsp *path = NULL;
609 52a74475 2018-12-24 stsp return err;
612 52a74475 2018-12-24 stsp static const struct got_error *
613 b16893ba 2023-02-24 thomas read_fileindex_entry(struct got_fileindex_entry **iep, struct got_hash *ctx,
614 df335242 2019-08-03 stsp FILE *infile, uint32_t version)
616 52a74475 2018-12-24 stsp const struct got_error *err;
617 3f762da0 2019-08-03 stsp struct got_fileindex_entry *ie;
620 3f762da0 2019-08-03 stsp *iep = NULL;
622 3f762da0 2019-08-03 stsp ie = calloc(1, sizeof(*ie));
623 3f762da0 2019-08-03 stsp if (ie == NULL)
624 638f9024 2019-05-13 stsp return got_error_from_errno("calloc");
626 3f762da0 2019-08-03 stsp err = read_fileindex_val64(&ie->ctime_sec, ctx, infile);
629 3f762da0 2019-08-03 stsp err = read_fileindex_val64(&ie->ctime_nsec, ctx, infile);
632 3f762da0 2019-08-03 stsp err = read_fileindex_val64(&ie->mtime_sec, ctx, infile);
635 3f762da0 2019-08-03 stsp err = read_fileindex_val64(&ie->mtime_nsec, ctx, infile);
639 3f762da0 2019-08-03 stsp err = read_fileindex_val32(&ie->uid, ctx, infile);
642 3f762da0 2019-08-03 stsp err = read_fileindex_val32(&ie->gid, ctx, infile);
645 3f762da0 2019-08-03 stsp err = read_fileindex_val32(&ie->size, ctx, infile);
649 3f762da0 2019-08-03 stsp err = read_fileindex_val16(&ie->mode, ctx, infile);
653 3f762da0 2019-08-03 stsp n = fread(ie->blob_sha1, 1, SHA1_DIGEST_LENGTH, infile);
654 52a74475 2018-12-24 stsp if (n != SHA1_DIGEST_LENGTH) {
655 27793341 2019-01-12 stsp err = got_ferror(infile, GOT_ERR_FILEIDX_BAD);
658 b16893ba 2023-02-24 thomas got_hash_update(ctx, ie->blob_sha1, SHA1_DIGEST_LENGTH);
660 3f762da0 2019-08-03 stsp n = fread(ie->commit_sha1, 1, SHA1_DIGEST_LENGTH, infile);
661 fc76cabb 2018-12-25 stsp if (n != SHA1_DIGEST_LENGTH) {
662 27793341 2019-01-12 stsp err = got_ferror(infile, GOT_ERR_FILEIDX_BAD);
665 b16893ba 2023-02-24 thomas got_hash_update(ctx, ie->commit_sha1, SHA1_DIGEST_LENGTH);
667 3f762da0 2019-08-03 stsp err = read_fileindex_val32(&ie->flags, ctx, infile);
671 3f762da0 2019-08-03 stsp err = read_fileindex_path(&ie->path, ctx, infile);
675 df335242 2019-08-03 stsp if (version >= 2) {
676 0cb83759 2019-08-03 stsp uint32_t stage = got_fileindex_entry_stage_get(ie);
677 df335242 2019-08-03 stsp if (stage == GOT_FILEIDX_STAGE_MODIFY ||
678 df335242 2019-08-03 stsp stage == GOT_FILEIDX_STAGE_ADD) {
679 df335242 2019-08-03 stsp n = fread(ie->staged_blob_sha1, 1, SHA1_DIGEST_LENGTH,
681 df335242 2019-08-03 stsp if (n != SHA1_DIGEST_LENGTH) {
682 df335242 2019-08-03 stsp err = got_ferror(infile, GOT_ERR_FILEIDX_BAD);
685 b16893ba 2023-02-24 thomas got_hash_update(ctx, ie->staged_blob_sha1,
686 b16893ba 2023-02-24 thomas SHA1_DIGEST_LENGTH);
689 df335242 2019-08-03 stsp /* GOT_FILE_INDEX_VERSION 1 does not support staging. */
690 df335242 2019-08-03 stsp ie->flags &= ~GOT_FILEIDX_F_STAGE;
695 3f762da0 2019-08-03 stsp got_fileindex_entry_free(ie);
698 52a74475 2018-12-24 stsp return err;
701 52a74475 2018-12-24 stsp const struct got_error *
702 52a74475 2018-12-24 stsp got_fileindex_read(struct got_fileindex *fileindex, FILE *infile)
704 52a74475 2018-12-24 stsp const struct got_error *err = NULL;
705 52a74475 2018-12-24 stsp struct got_fileindex_hdr hdr;
706 b16893ba 2023-02-24 thomas struct got_hash ctx;
707 3f762da0 2019-08-03 stsp struct got_fileindex_entry *ie;
708 52a74475 2018-12-24 stsp uint8_t sha1_expected[SHA1_DIGEST_LENGTH];
709 52a74475 2018-12-24 stsp uint8_t sha1[SHA1_DIGEST_LENGTH];
713 b16893ba 2023-02-24 thomas got_hash_init(&ctx, GOT_HASH_SHA1);
715 b6d05318 2019-01-13 stsp n = fread(&hdr.signature, 1, sizeof(hdr.signature), infile);
716 b6d05318 2019-01-13 stsp if (n != sizeof(hdr.signature)) {
717 b6d05318 2019-01-13 stsp if (n == 0) /* EOF */
718 b6d05318 2019-01-13 stsp return NULL;
719 b6d05318 2019-01-13 stsp return got_ferror(infile, GOT_ERR_FILEIDX_BAD);
721 b6d05318 2019-01-13 stsp n = fread(&hdr.version, 1, sizeof(hdr.version), infile);
722 b6d05318 2019-01-13 stsp if (n != sizeof(hdr.version)) {
723 51514078 2018-12-25 stsp if (n == 0) /* EOF */
724 51514078 2018-12-25 stsp return NULL;
725 27793341 2019-01-12 stsp return got_ferror(infile, GOT_ERR_FILEIDX_BAD);
727 b6d05318 2019-01-13 stsp n = fread(&hdr.nentries, 1, sizeof(hdr.nentries), infile);
728 b6d05318 2019-01-13 stsp if (n != sizeof(hdr.nentries)) {
729 b6d05318 2019-01-13 stsp if (n == 0) /* EOF */
730 b6d05318 2019-01-13 stsp return NULL;
731 b6d05318 2019-01-13 stsp return got_ferror(infile, GOT_ERR_FILEIDX_BAD);
734 b16893ba 2023-02-24 thomas got_hash_update(&ctx, &hdr.signature, sizeof(hdr.signature));
735 b16893ba 2023-02-24 thomas got_hash_update(&ctx, &hdr.version, sizeof(hdr.version));
736 b16893ba 2023-02-24 thomas got_hash_update(&ctx, &hdr.nentries, sizeof(hdr.nentries));
738 9eb6a6b2 2018-12-24 stsp hdr.signature = be32toh(hdr.signature);
739 9eb6a6b2 2018-12-24 stsp hdr.version = be32toh(hdr.version);
740 9eb6a6b2 2018-12-24 stsp hdr.nentries = be32toh(hdr.nentries);
742 52a74475 2018-12-24 stsp if (hdr.signature != GOT_FILE_INDEX_SIGNATURE)
743 52a74475 2018-12-24 stsp return got_error(GOT_ERR_FILEIDX_SIG);
744 df335242 2019-08-03 stsp if (hdr.version > GOT_FILE_INDEX_VERSION)
745 52a74475 2018-12-24 stsp return got_error(GOT_ERR_FILEIDX_VER);
747 52a74475 2018-12-24 stsp for (i = 0; i < hdr.nentries; i++) {
748 df335242 2019-08-03 stsp err = read_fileindex_entry(&ie, &ctx, infile, hdr.version);
750 52a74475 2018-12-24 stsp return err;
751 3f762da0 2019-08-03 stsp err = add_entry(fileindex, ie);
753 52a74475 2018-12-24 stsp return err;
756 52a74475 2018-12-24 stsp n = fread(sha1_expected, 1, sizeof(sha1_expected), infile);
757 52a74475 2018-12-24 stsp if (n != sizeof(sha1_expected))
758 27793341 2019-01-12 stsp return got_ferror(infile, GOT_ERR_FILEIDX_BAD);
759 b16893ba 2023-02-24 thomas got_hash_final(&ctx, sha1);
760 52a74475 2018-12-24 stsp if (memcmp(sha1, sha1_expected, SHA1_DIGEST_LENGTH) != 0)
761 52a74475 2018-12-24 stsp return got_error(GOT_ERR_FILEIDX_CSUM);
763 9d31a1d8 2018-03-11 stsp return NULL;
766 c2ac9456 2019-03-15 stsp static struct got_fileindex_entry *
767 50952927 2019-01-12 stsp walk_fileindex(struct got_fileindex *fileindex, struct got_fileindex_entry *ie)
769 50952927 2019-01-12 stsp struct got_fileindex_entry *next;
771 50952927 2019-01-12 stsp next = RB_NEXT(got_fileindex_tree, &fileindex->entries, ie);
773 a46b9f33 2020-01-28 stsp /* Skip entries which were added or removed by diff callbacks. */
774 a46b9f33 2020-01-28 stsp while (next && (next->flags & (GOT_FILEIDX_F_NOT_FLUSHED |
775 a46b9f33 2020-01-28 stsp GOT_FILEIDX_F_REMOVE_ON_FLUSH)))
776 50952927 2019-01-12 stsp next = RB_NEXT(got_fileindex_tree, &fileindex->entries, next);
778 50952927 2019-01-12 stsp return next;
781 8da9e5f4 2019-01-12 stsp static const struct got_error *
782 56e0773d 2019-11-28 stsp diff_fileindex_tree(struct got_fileindex *, struct got_fileindex_entry **ie,
783 56e0773d 2019-11-28 stsp struct got_tree_object *tree, const char *, const char *,
784 c4cdcb68 2019-04-03 stsp struct got_repository *, struct got_fileindex_diff_tree_cb *, void *);
786 9d2a8e53 2019-01-28 stsp static const struct got_error *
787 8da9e5f4 2019-01-12 stsp walk_tree(struct got_tree_entry **next, struct got_fileindex *fileindex,
788 56e0773d 2019-11-28 stsp struct got_fileindex_entry **ie, struct got_tree_object *tree, int *tidx,
789 c4cdcb68 2019-04-03 stsp const char *path, const char *entry_name, struct got_repository *repo,
790 f44ffd20 2019-02-04 stsp struct got_fileindex_diff_tree_cb *cb, void *cb_arg)
792 8da9e5f4 2019-01-12 stsp const struct got_error *err = NULL;
793 56e0773d 2019-11-28 stsp struct got_tree_entry *te = got_object_tree_get_entry(tree, *tidx);
795 56e0773d 2019-11-28 stsp if (!got_object_tree_entry_is_submodule(te) &&
796 56e0773d 2019-11-28 stsp S_ISDIR(got_tree_entry_get_mode(te))) {
797 8da9e5f4 2019-01-12 stsp char *subpath;
798 8da9e5f4 2019-01-12 stsp struct got_tree_object *subtree;
800 8da9e5f4 2019-01-12 stsp if (asprintf(&subpath, "%s%s%s", path,
801 56e0773d 2019-11-28 stsp path[0] == '\0' ? "" : "/",
802 56e0773d 2019-11-28 stsp got_tree_entry_get_name(te)) == -1)
803 638f9024 2019-05-13 stsp return got_error_from_errno("asprintf");
805 56e0773d 2019-11-28 stsp err = got_object_open_as_tree(&subtree, repo,
806 56e0773d 2019-11-28 stsp got_tree_entry_get_id(te));
808 8da9e5f4 2019-01-12 stsp free(subpath);
809 8da9e5f4 2019-01-12 stsp return err;
812 56e0773d 2019-11-28 stsp err = diff_fileindex_tree(fileindex, ie, subtree, subpath,
813 56e0773d 2019-11-28 stsp entry_name, repo, cb, cb_arg);
814 8da9e5f4 2019-01-12 stsp free(subpath);
815 8da9e5f4 2019-01-12 stsp got_object_tree_close(subtree);
817 8da9e5f4 2019-01-12 stsp return err;
821 56e0773d 2019-11-28 stsp *next = got_object_tree_get_entry(tree, *tidx);
822 8da9e5f4 2019-01-12 stsp return NULL;
825 8da9e5f4 2019-01-12 stsp static const struct got_error *
826 8da9e5f4 2019-01-12 stsp diff_fileindex_tree(struct got_fileindex *fileindex,
827 56e0773d 2019-11-28 stsp struct got_fileindex_entry **ie, struct got_tree_object *tree,
828 c4cdcb68 2019-04-03 stsp const char *path, const char *entry_name, struct got_repository *repo,
829 f44ffd20 2019-02-04 stsp struct got_fileindex_diff_tree_cb *cb, void *cb_arg)
831 8da9e5f4 2019-01-12 stsp const struct got_error *err = NULL;
832 8da9e5f4 2019-01-12 stsp struct got_tree_entry *te = NULL;
833 8da9e5f4 2019-01-12 stsp size_t path_len = strlen(path);
834 8da9e5f4 2019-01-12 stsp struct got_fileindex_entry *next;
835 56e0773d 2019-11-28 stsp int tidx = 0;
837 56e0773d 2019-11-28 stsp te = got_object_tree_get_entry(tree, tidx);
838 500cd40f 2019-02-04 stsp while ((*ie && got_path_is_child((*ie)->path, path, path_len)) || te) {
839 8da9e5f4 2019-01-12 stsp if (te && *ie) {
840 18831e78 2019-02-10 stsp char *te_path;
841 56e0773d 2019-11-28 stsp const char *te_name = got_tree_entry_get_name(te);
843 56e0773d 2019-11-28 stsp if (asprintf(&te_path, "%s/%s", path, te_name) == -1) {
844 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
847 d572f586 2019-08-02 stsp cmp = got_path_cmp((*ie)->path, te_path,
848 4d555405 2019-08-03 stsp got_fileindex_entry_path_len(*ie), strlen(te_path));
849 18831e78 2019-02-10 stsp free(te_path);
850 8da9e5f4 2019-01-12 stsp if (cmp == 0) {
851 c4cdcb68 2019-04-03 stsp if (got_path_is_child((*ie)->path, path,
852 63c5ca5d 2019-08-24 stsp path_len) &&
853 63c5ca5d 2019-08-24 stsp !got_object_tree_entry_is_submodule(te) &&
854 63c5ca5d 2019-08-24 stsp (entry_name == NULL ||
855 56e0773d 2019-11-28 stsp strcmp(te_name, entry_name) == 0)) {
856 c4cdcb68 2019-04-03 stsp err = cb->diff_old_new(cb_arg, *ie, te,
858 c4cdcb68 2019-04-03 stsp if (err || entry_name)
861 50952927 2019-01-12 stsp *ie = walk_fileindex(fileindex, *ie);
862 56e0773d 2019-11-28 stsp err = walk_tree(&te, fileindex, ie, tree, &tidx,
863 c4cdcb68 2019-04-03 stsp path, entry_name, repo, cb, cb_arg);
864 c4cdcb68 2019-04-03 stsp } else if (cmp < 0) {
865 50952927 2019-01-12 stsp next = walk_fileindex(fileindex, *ie);
866 c4cdcb68 2019-04-03 stsp if (got_path_is_child((*ie)->path, path,
867 194cb7cb 2021-01-19 stsp path_len) && entry_name == NULL) {
868 c4cdcb68 2019-04-03 stsp err = cb->diff_old(cb_arg, *ie, path);
869 c4cdcb68 2019-04-03 stsp if (err || entry_name)
872 8da9e5f4 2019-01-12 stsp *ie = next;
874 c4cdcb68 2019-04-03 stsp if ((entry_name == NULL ||
875 56e0773d 2019-11-28 stsp strcmp(te_name, entry_name) == 0)) {
876 c4cdcb68 2019-04-03 stsp err = cb->diff_new(cb_arg, te, path);
877 c4cdcb68 2019-04-03 stsp if (err || entry_name)
880 56e0773d 2019-11-28 stsp err = walk_tree(&te, fileindex, ie, tree, &tidx,
881 c4cdcb68 2019-04-03 stsp path, entry_name, repo, cb, cb_arg);
885 8da9e5f4 2019-01-12 stsp } else if (*ie) {
886 50952927 2019-01-12 stsp next = walk_fileindex(fileindex, *ie);
887 c4cdcb68 2019-04-03 stsp if (got_path_is_child((*ie)->path, path, path_len) &&
888 c4cdcb68 2019-04-03 stsp (entry_name == NULL ||
889 56e0773d 2019-11-28 stsp (te && strcmp(got_tree_entry_get_name(te),
890 56e0773d 2019-11-28 stsp entry_name) == 0))) {
891 c4cdcb68 2019-04-03 stsp err = cb->diff_old(cb_arg, *ie, path);
892 c4cdcb68 2019-04-03 stsp if (err || entry_name)
895 8da9e5f4 2019-01-12 stsp *ie = next;
896 8da9e5f4 2019-01-12 stsp } else if (te) {
897 63c5ca5d 2019-08-24 stsp if (!got_object_tree_entry_is_submodule(te) &&
898 63c5ca5d 2019-08-24 stsp (entry_name == NULL ||
899 56e0773d 2019-11-28 stsp strcmp(got_tree_entry_get_name(te), entry_name)
901 c4cdcb68 2019-04-03 stsp err = cb->diff_new(cb_arg, te, path);
902 c4cdcb68 2019-04-03 stsp if (err || entry_name)
905 56e0773d 2019-11-28 stsp err = walk_tree(&te, fileindex, ie, tree, &tidx, path,
906 c4cdcb68 2019-04-03 stsp entry_name, repo, cb, cb_arg);
912 8da9e5f4 2019-01-12 stsp return err;
915 8da9e5f4 2019-01-12 stsp const struct got_error *
916 8da9e5f4 2019-01-12 stsp got_fileindex_diff_tree(struct got_fileindex *fileindex,
917 c4cdcb68 2019-04-03 stsp struct got_tree_object *tree, const char *path, const char *entry_name,
918 c4cdcb68 2019-04-03 stsp struct got_repository *repo,
919 f44ffd20 2019-02-04 stsp struct got_fileindex_diff_tree_cb *cb, void *cb_arg)
921 30a076bc 2019-07-27 stsp struct got_fileindex_entry *ie;
922 30a076bc 2019-07-27 stsp ie = RB_MIN(got_fileindex_tree, &fileindex->entries);
923 30a076bc 2019-07-27 stsp while (ie && !got_path_is_child(ie->path, path, strlen(path)))
924 30a076bc 2019-07-27 stsp ie = walk_fileindex(fileindex, ie);
925 56e0773d 2019-11-28 stsp return diff_fileindex_tree(fileindex, &ie, tree, path, entry_name, repo,
926 30a076bc 2019-07-27 stsp cb, cb_arg);
929 d1f6d47b 2019-02-04 stsp static const struct got_error *
930 39beb6da 2019-07-27 stsp diff_fileindex_dir(struct got_fileindex *, struct got_fileindex_entry **,
931 6fc93f37 2019-12-13 stsp struct got_pathlist_head *, int, const char *, const char *,
932 c577a9ce 2019-07-27 stsp struct got_repository *, struct got_fileindex_diff_dir_cb *, void *);
934 c577a9ce 2019-07-27 stsp static const struct got_error *
935 965988c5 2019-12-16 stsp read_dirlist(struct got_pathlist_head *dirlist, DIR *dir, const char *path)
937 c577a9ce 2019-07-27 stsp const struct got_error *err = NULL;
938 c577a9ce 2019-07-27 stsp struct got_pathlist_entry *new = NULL;
939 c577a9ce 2019-07-27 stsp struct dirent *dep = NULL;
940 c577a9ce 2019-07-27 stsp struct dirent *de = NULL;
943 c577a9ce 2019-07-27 stsp de = malloc(sizeof(struct dirent) + NAME_MAX + 1);
944 c577a9ce 2019-07-27 stsp if (de == NULL) {
945 c577a9ce 2019-07-27 stsp err = got_error_from_errno("malloc");
949 c577a9ce 2019-07-27 stsp if (readdir_r(dir, de, &dep) != 0) {
950 c577a9ce 2019-07-27 stsp err = got_error_from_errno("readdir_r");
954 c577a9ce 2019-07-27 stsp if (dep == NULL) {
959 c577a9ce 2019-07-27 stsp if (strcmp(de->d_name, ".") == 0 ||
960 c577a9ce 2019-07-27 stsp strcmp(de->d_name, "..") == 0 ||
961 c577a9ce 2019-07-27 stsp (path[0] == '\0' &&
962 c577a9ce 2019-07-27 stsp strcmp(de->d_name, GOT_WORKTREE_GOT_DIR) == 0)) {
967 c577a9ce 2019-07-27 stsp err = got_pathlist_insert(&new, dirlist, de->d_name, de);
972 c577a9ce 2019-07-27 stsp if (new == NULL) {
973 c577a9ce 2019-07-27 stsp err = got_error(GOT_ERR_DIR_DUP_ENTRY);
979 c577a9ce 2019-07-27 stsp return err;
982 8528beef 2021-10-15 thomas static int
983 8528beef 2021-10-15 thomas have_tracked_file_in_dir(struct got_fileindex *fileindex, const char *path)
985 8528beef 2021-10-15 thomas struct got_fileindex_entry *ie;
986 8528beef 2021-10-15 thomas size_t path_len = strlen(path);
989 8528beef 2021-10-15 thomas ie = RB_ROOT(&fileindex->entries);
990 8528beef 2021-10-15 thomas while (ie) {
991 8528beef 2021-10-15 thomas if (got_path_is_child(ie->path, path, path_len))
992 8528beef 2021-10-15 thomas return 1;
993 8528beef 2021-10-15 thomas cmp = got_path_cmp(path, ie->path, path_len,
994 8528beef 2021-10-15 thomas got_fileindex_entry_path_len(ie));
995 8528beef 2021-10-15 thomas if (cmp < 0)
996 8528beef 2021-10-15 thomas ie = RB_LEFT(ie, entry);
997 8528beef 2021-10-15 thomas else if (cmp > 0)
998 8528beef 2021-10-15 thomas ie = RB_RIGHT(ie, entry);
1003 8528beef 2021-10-15 thomas return 0;
1006 d1f6d47b 2019-02-04 stsp static const struct got_error *
1007 f5d3d7af 2019-02-05 stsp walk_dir(struct got_pathlist_entry **next, struct got_fileindex *fileindex,
1008 965988c5 2019-12-16 stsp struct got_fileindex_entry **ie, struct got_pathlist_entry *dle, int fd,
1009 39beb6da 2019-07-27 stsp const char *path, const char *rootpath, struct got_repository *repo,
1010 6092c299 2021-10-04 thomas int ignore, struct got_fileindex_diff_dir_cb *cb, void *cb_arg)
1012 d1f6d47b 2019-02-04 stsp const struct got_error *err = NULL;
1013 f5d3d7af 2019-02-05 stsp struct dirent *de = dle->data;
1014 965988c5 2019-12-16 stsp DIR *subdir = NULL;
1015 6fc93f37 2019-12-13 stsp int subdirfd = -1;
1017 573463cc 2019-04-06 stsp *next = NULL;
1019 8528beef 2021-10-15 thomas /* Must traverse ignored directories if they contain tracked files. */
1020 1f480907 2022-01-27 thomas if (de->d_type == DT_DIR && ignore &&
1021 8528beef 2021-10-15 thomas have_tracked_file_in_dir(fileindex, path))
1022 8528beef 2021-10-15 thomas ignore = 0;
1024 1f480907 2022-01-27 thomas if (de->d_type == DT_DIR && !ignore) {
1025 d1f6d47b 2019-02-04 stsp char *subpath;
1026 c7f4312f 2019-02-05 stsp char *subdirpath;
1027 c577a9ce 2019-07-27 stsp struct got_pathlist_head subdirlist;
1029 c577a9ce 2019-07-27 stsp TAILQ_INIT(&subdirlist);
1031 d1f6d47b 2019-02-04 stsp if (asprintf(&subpath, "%s%s%s", path,
1032 f5d3d7af 2019-02-05 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1033 638f9024 2019-05-13 stsp return got_error_from_errno("asprintf");
1035 c7f4312f 2019-02-05 stsp if (asprintf(&subdirpath, "%s/%s", rootpath, subpath) == -1) {
1036 c7f4312f 2019-02-05 stsp free(subpath);
1037 638f9024 2019-05-13 stsp return got_error_from_errno("asprintf");
1040 965988c5 2019-12-16 stsp subdirfd = openat(fd, de->d_name,
1041 fc63f50d 2021-12-31 thomas O_RDONLY | O_NOFOLLOW | O_DIRECTORY | O_CLOEXEC);
1042 6fc93f37 2019-12-13 stsp if (subdirfd == -1) {
1043 40b289d7 2019-09-07 stsp if (errno == EACCES) {
1044 40b289d7 2019-09-07 stsp *next = TAILQ_NEXT(dle, entry);
1045 40b289d7 2019-09-07 stsp return NULL;
1047 965988c5 2019-12-16 stsp err = got_error_from_errno2("openat", subdirpath);
1048 d1f6d47b 2019-02-04 stsp free(subpath);
1049 c7f4312f 2019-02-05 stsp free(subdirpath);
1050 ef5e02fd 2019-08-11 stsp return err;
1053 965988c5 2019-12-16 stsp subdir = fdopendir(subdirfd);
1054 965988c5 2019-12-16 stsp if (subdir == NULL)
1055 965988c5 2019-12-16 stsp return got_error_from_errno2("fdopendir", path);
1056 965988c5 2019-12-16 stsp subdirfd = -1;
1057 965988c5 2019-12-16 stsp err = read_dirlist(&subdirlist, subdir, subdirpath);
1058 c577a9ce 2019-07-27 stsp if (err) {
1059 c577a9ce 2019-07-27 stsp free(subpath);
1060 c577a9ce 2019-07-27 stsp free(subdirpath);
1061 965988c5 2019-12-16 stsp closedir(subdir);
1062 c577a9ce 2019-07-27 stsp return err;
1064 965988c5 2019-12-16 stsp err = diff_fileindex_dir(fileindex, ie, &subdirlist,
1065 965988c5 2019-12-16 stsp dirfd(subdir), rootpath, subpath, repo, cb, cb_arg);
1066 965988c5 2019-12-16 stsp if (subdir && closedir(subdir) == -1 && err == NULL)
1067 965988c5 2019-12-16 stsp err = got_error_from_errno2("closedir", subdirpath);
1068 d1f6d47b 2019-02-04 stsp free(subpath);
1069 c7f4312f 2019-02-05 stsp free(subdirpath);
1070 21c2d8be 2023-01-10 thomas got_pathlist_free(&subdirlist, GOT_PATHLIST_FREE_DATA);
1072 d1f6d47b 2019-02-04 stsp return err;
1075 f5d3d7af 2019-02-05 stsp *next = TAILQ_NEXT(dle, entry);
1076 d1f6d47b 2019-02-04 stsp return NULL;
1079 d1f6d47b 2019-02-04 stsp static const struct got_error *
1080 1f480907 2022-01-27 thomas dirent_type_fixup(struct dirent *de, const char *rootpath, const char *path)
1082 1f480907 2022-01-27 thomas const struct got_error *err;
1083 1f480907 2022-01-27 thomas char *dir_path;
1084 1f480907 2022-01-27 thomas int type;
1086 1f480907 2022-01-27 thomas if (de->d_type != DT_UNKNOWN)
1087 1f480907 2022-01-27 thomas return NULL;
1089 1f480907 2022-01-27 thomas /* DT_UNKNOWN occurs on NFS mounts without "readdir plus" RPC. */
1090 1f480907 2022-01-27 thomas if (asprintf(&dir_path, "%s/%s", rootpath, path) == -1)
1091 1f480907 2022-01-27 thomas return got_error_from_errno("asprintf");
1092 1f480907 2022-01-27 thomas err = got_path_dirent_type(&type, dir_path, de);
1093 1f480907 2022-01-27 thomas free(dir_path);
1094 1f480907 2022-01-27 thomas if (err)
1095 1f480907 2022-01-27 thomas return err;
1097 1f480907 2022-01-27 thomas de->d_type = type;
1098 1f480907 2022-01-27 thomas return NULL;
1101 1f480907 2022-01-27 thomas static const struct got_error *
1102 d1f6d47b 2019-02-04 stsp diff_fileindex_dir(struct got_fileindex *fileindex,
1103 39beb6da 2019-07-27 stsp struct got_fileindex_entry **ie, struct got_pathlist_head *dirlist,
1104 6fc93f37 2019-12-13 stsp int dirfd, const char *rootpath, const char *path,
1105 6fc93f37 2019-12-13 stsp struct got_repository *repo,
1106 39beb6da 2019-07-27 stsp struct got_fileindex_diff_dir_cb *cb, void *cb_arg)
1108 d1f6d47b 2019-02-04 stsp const struct got_error *err = NULL;
1109 d1f6d47b 2019-02-04 stsp struct dirent *de = NULL;
1110 d1f6d47b 2019-02-04 stsp size_t path_len = strlen(path);
1111 f5d3d7af 2019-02-05 stsp struct got_pathlist_entry *dle;
1112 6092c299 2021-10-04 thomas int ignore;
1114 3143d852 2020-06-25 stsp if (cb->diff_traverse) {
1115 3143d852 2020-06-25 stsp err = cb->diff_traverse(cb_arg, path, dirfd);
1117 3143d852 2020-06-25 stsp return err;
1120 c577a9ce 2019-07-27 stsp dle = TAILQ_FIRST(dirlist);
1121 500cd40f 2019-02-04 stsp while ((*ie && got_path_is_child((*ie)->path, path, path_len)) || dle) {
1122 500cd40f 2019-02-04 stsp if (dle && *ie) {
1123 18831e78 2019-02-10 stsp char *de_path;
1125 f5d3d7af 2019-02-05 stsp de = dle->data;
1126 1f480907 2022-01-27 thomas err = dirent_type_fixup(de, rootpath, path);
1127 1f480907 2022-01-27 thomas if (err)
1129 18831e78 2019-02-10 stsp if (asprintf(&de_path, "%s/%s", path,
1130 18831e78 2019-02-10 stsp de->d_name) == -1) {
1131 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1134 d572f586 2019-08-02 stsp cmp = got_path_cmp((*ie)->path, de_path,
1135 4d555405 2019-08-03 stsp got_fileindex_entry_path_len(*ie),
1136 dd038bc6 2021-09-21 thomas.ad strlen(path) + 1 + strlen(de->d_name));
1137 18831e78 2019-02-10 stsp free(de_path);
1138 d1f6d47b 2019-02-04 stsp if (cmp == 0) {
1139 7f91a133 2019-12-13 stsp err = cb->diff_old_new(cb_arg, *ie, de, path,
1143 d1f6d47b 2019-02-04 stsp *ie = walk_fileindex(fileindex, *ie);
1144 6fc93f37 2019-12-13 stsp err = walk_dir(&dle, fileindex, ie, dle, dirfd,
1145 6092c299 2021-10-04 thomas path, rootpath, repo, 0, cb, cb_arg);
1146 d1f6d47b 2019-02-04 stsp } else if (cmp < 0 ) {
1147 d1f6d47b 2019-02-04 stsp err = cb->diff_old(cb_arg, *ie, path);
1150 c577a9ce 2019-07-27 stsp *ie = walk_fileindex(fileindex, *ie);
1152 6092c299 2021-10-04 thomas err = cb->diff_new(&ignore, cb_arg, de, path,
1156 6fc93f37 2019-12-13 stsp err = walk_dir(&dle, fileindex, ie, dle, dirfd,
1157 6092c299 2021-10-04 thomas path, rootpath, repo, ignore, cb, cb_arg);
1161 554b91b1 2019-02-04 stsp } else if (*ie) {
1162 554b91b1 2019-02-04 stsp err = cb->diff_old(cb_arg, *ie, path);
1165 c577a9ce 2019-07-27 stsp *ie = walk_fileindex(fileindex, *ie);
1166 554b91b1 2019-02-04 stsp } else if (dle) {
1167 763e1377 2019-02-05 stsp de = dle->data;
1168 1f480907 2022-01-27 thomas err = dirent_type_fixup(de, rootpath, path);
1169 1f480907 2022-01-27 thomas if (err)
1171 6092c299 2021-10-04 thomas err = cb->diff_new(&ignore, cb_arg, de, path, dirfd);
1174 6fc93f37 2019-12-13 stsp err = walk_dir(&dle, fileindex, ie, dle, dirfd, path,
1175 6092c299 2021-10-04 thomas rootpath, repo, ignore, cb, cb_arg);
1181 d1f6d47b 2019-02-04 stsp return err;
1184 d1f6d47b 2019-02-04 stsp const struct got_error *
1185 965988c5 2019-12-16 stsp got_fileindex_diff_dir(struct got_fileindex *fileindex, int fd,
1186 927df6b7 2019-02-10 stsp const char *rootpath, const char *path, struct got_repository *repo,
1187 c7f4312f 2019-02-05 stsp struct got_fileindex_diff_dir_cb *cb, void *cb_arg)
1189 c577a9ce 2019-07-27 stsp const struct got_error *err;
1190 c577a9ce 2019-07-27 stsp struct got_fileindex_entry *ie;
1191 c577a9ce 2019-07-27 stsp struct got_pathlist_head dirlist;
1195 c577a9ce 2019-07-27 stsp TAILQ_INIT(&dirlist);
1198 965988c5 2019-12-16 stsp * Duplicate the file descriptor so we can call closedir() below
1199 965988c5 2019-12-16 stsp * without closing the file descriptor passed in by our caller.
1201 965988c5 2019-12-16 stsp fd2 = dup(fd);
1202 965988c5 2019-12-16 stsp if (fd2 == -1)
1203 965988c5 2019-12-16 stsp return got_error_from_errno2("dup", path);
1204 3dcf3e74 2020-01-28 stsp if (lseek(fd2, 0, SEEK_SET) == -1) {
1205 3dcf3e74 2020-01-28 stsp err = got_error_from_errno2("lseek", path);
1206 3dcf3e74 2020-01-28 stsp close(fd2);
1207 3dcf3e74 2020-01-28 stsp return err;
1209 965988c5 2019-12-16 stsp dir = fdopendir(fd2);
1210 3dcf3e74 2020-01-28 stsp if (dir == NULL) {
1211 3dcf3e74 2020-01-28 stsp err = got_error_from_errno2("fdopendir", path);
1212 3dcf3e74 2020-01-28 stsp close(fd2);
1213 3dcf3e74 2020-01-28 stsp return err;
1215 965988c5 2019-12-16 stsp err = read_dirlist(&dirlist, dir, path);
1216 965988c5 2019-12-16 stsp if (err) {
1217 965988c5 2019-12-16 stsp closedir(dir);
1218 c577a9ce 2019-07-27 stsp return err;
1221 c577a9ce 2019-07-27 stsp ie = RB_MIN(got_fileindex_tree, &fileindex->entries);
1222 c577a9ce 2019-07-27 stsp while (ie && !got_path_is_child(ie->path, path, strlen(path)))
1223 c577a9ce 2019-07-27 stsp ie = walk_fileindex(fileindex, ie);
1224 965988c5 2019-12-16 stsp err = diff_fileindex_dir(fileindex, &ie, &dirlist, dirfd(dir),
1225 965988c5 2019-12-16 stsp rootpath, path, repo, cb, cb_arg);
1227 965988c5 2019-12-16 stsp if (closedir(dir) == -1 && err == NULL)
1228 965988c5 2019-12-16 stsp err = got_error_from_errno2("closedir", path);
1229 21c2d8be 2023-01-10 thomas got_pathlist_free(&dirlist, GOT_PATHLIST_FREE_DATA);
1230 c577a9ce 2019-07-27 stsp return err;
1233 43010591 2023-02-17 thomas struct got_object_id *
1234 43010591 2023-02-17 thomas got_fileindex_entry_get_staged_blob_id(struct got_object_id *id,
1235 43010591 2023-02-17 thomas struct got_fileindex_entry *ie)
1237 43010591 2023-02-17 thomas memset(id, 0, sizeof(*id));
1238 43010591 2023-02-17 thomas memcpy(id->sha1, ie->staged_blob_sha1, sizeof(ie->staged_blob_sha1));
1239 43010591 2023-02-17 thomas return id;
1242 43010591 2023-02-17 thomas struct got_object_id *
1243 43010591 2023-02-17 thomas got_fileindex_entry_get_blob_id(struct got_object_id *id,
1244 43010591 2023-02-17 thomas struct got_fileindex_entry *ie)
1246 43010591 2023-02-17 thomas memset(id, 0, sizeof(*id));
1247 43010591 2023-02-17 thomas memcpy(id->sha1, ie->blob_sha1, sizeof(ie->blob_sha1));
1248 43010591 2023-02-17 thomas return id;
1251 43010591 2023-02-17 thomas struct got_object_id *
1252 43010591 2023-02-17 thomas got_fileindex_entry_get_commit_id(struct got_object_id *id,
1253 43010591 2023-02-17 thomas struct got_fileindex_entry *ie)
1255 43010591 2023-02-17 thomas memset(id, 0, sizeof(*id));
1256 43010591 2023-02-17 thomas memcpy(id->sha1, ie->commit_sha1, sizeof(ie->commit_sha1));
1257 43010591 2023-02-17 thomas return id;
1260 7a9df742 2019-01-08 stsp RB_GENERATE(got_fileindex_tree, got_fileindex_entry, entry, got_fileindex_cmp);
