2 44edeea7 2019-04-11 stsp * Copyright (c) 2019 Stefan Sperling <stsp@openbsd.org>
4 44edeea7 2019-04-11 stsp * Permission to use, copy, modify, and distribute this software for any
5 44edeea7 2019-04-11 stsp * purpose with or without fee is hereby granted, provided that the above
6 44edeea7 2019-04-11 stsp * copyright notice and this permission notice appear in all copies.
8 44edeea7 2019-04-11 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 44edeea7 2019-04-11 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 44edeea7 2019-04-11 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 44edeea7 2019-04-11 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 44edeea7 2019-04-11 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 44edeea7 2019-04-11 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 44edeea7 2019-04-11 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 44edeea7 2019-04-11 stsp #include <sys/types.h>
18 44edeea7 2019-04-11 stsp #include <sys/stat.h>
20 787c8eb6 2019-07-11 stsp #include <ctype.h>
21 51130c02 2019-04-13 stsp #include <errno.h>
22 44edeea7 2019-04-11 stsp #include <fcntl.h>
23 56e0773d 2019-11-28 stsp #include <limits.h>
24 44edeea7 2019-04-11 stsp #include <stdio.h>
25 44edeea7 2019-04-11 stsp #include <stdlib.h>
26 44edeea7 2019-04-11 stsp #include <string.h>
27 44edeea7 2019-04-11 stsp #include <stdint.h>
28 44edeea7 2019-04-11 stsp #include <sha1.h>
29 a14a8cf6 2019-04-11 stsp #include <unistd.h>
30 44edeea7 2019-04-11 stsp #include <zlib.h>
32 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
34 44edeea7 2019-04-11 stsp #include "got_error.h"
35 44edeea7 2019-04-11 stsp #include "got_object.h"
36 44edeea7 2019-04-11 stsp #include "got_repository.h"
37 44edeea7 2019-04-11 stsp #include "got_opentemp.h"
38 324d37e7 2019-05-11 stsp #include "got_path.h"
40 44edeea7 2019-04-11 stsp #include "got_lib_sha1.h"
41 44edeea7 2019-04-11 stsp #include "got_lib_deflate.h"
42 44edeea7 2019-04-11 stsp #include "got_lib_delta.h"
43 44edeea7 2019-04-11 stsp #include "got_lib_object.h"
44 6af1ccbd 2019-08-16 stsp #include "got_lib_object_parse.h"
45 44edeea7 2019-04-11 stsp #include "got_lib_lockfile.h"
47 44edeea7 2019-04-11 stsp #ifndef nitems
48 44edeea7 2019-04-11 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
51 ac1c5662 2019-04-13 stsp static const struct got_error *
52 76f564d5 2019-04-14 stsp create_object_file(struct got_object_id *id, FILE *content,
53 ac1c5662 2019-04-13 stsp struct got_repository *repo)
55 ac1c5662 2019-04-13 stsp const struct got_error *err = NULL, *unlock_err = NULL;
56 c6f826b4 2019-04-13 stsp char *objpath = NULL, *tmppath = NULL;
57 c6f826b4 2019-04-13 stsp FILE *tmpfile = NULL;
58 ac1c5662 2019-04-13 stsp struct got_lockfile *lf = NULL;
59 c6f826b4 2019-04-13 stsp size_t tmplen = 0;
61 ac1c5662 2019-04-13 stsp err = got_object_get_path(&objpath, id, repo);
65 c6f826b4 2019-04-13 stsp err = got_opentemp_named(&tmppath, &tmpfile, objpath);
67 ac1c5662 2019-04-13 stsp char *parent_path;
68 ac1c5662 2019-04-13 stsp if (!(err->code == GOT_ERR_ERRNO && errno == ENOENT))
70 ac1c5662 2019-04-13 stsp err = got_path_dirname(&parent_path, objpath);
73 ac1c5662 2019-04-13 stsp err = got_path_mkdir(parent_path);
74 ac1c5662 2019-04-13 stsp free(parent_path);
77 c6f826b4 2019-04-13 stsp err = got_opentemp_named(&tmppath, &tmpfile, objpath);
82 3818e3c4 2020-11-01 naddy if (fchmod(fileno(tmpfile), GOT_DEFAULT_FILE_MODE) != 0) {
83 3818e3c4 2020-11-01 naddy err = got_error_from_errno2("fchmod", tmppath);
87 91b40e30 2021-05-21 stsp err = got_deflate_to_file(&tmplen, content, tmpfile, NULL);
91 5345b4c7 2021-07-06 stsp err = got_lockfile_lock(&lf, objpath, -1);
95 c6f826b4 2019-04-13 stsp if (rename(tmppath, objpath) != 0) {
96 638f9024 2019-05-13 stsp err = got_error_from_errno3("rename", tmppath, objpath);
99 c6f826b4 2019-04-13 stsp free(tmppath);
100 c6f826b4 2019-04-13 stsp tmppath = NULL;
102 ac1c5662 2019-04-13 stsp free(objpath);
103 c6f826b4 2019-04-13 stsp if (tmppath) {
104 c6f826b4 2019-04-13 stsp if (unlink(tmppath) != 0 && err == NULL)
105 638f9024 2019-05-13 stsp err = got_error_from_errno2("unlink", tmppath);
106 c6f826b4 2019-04-13 stsp free(tmppath);
108 56b63ca4 2021-01-22 stsp if (tmpfile && fclose(tmpfile) == EOF && err == NULL)
109 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
111 5345b4c7 2021-07-06 stsp unlock_err = got_lockfile_unlock(lf, -1);
112 ac1c5662 2019-04-13 stsp return err ? err : unlock_err;
115 44edeea7 2019-04-11 stsp const struct got_error *
116 0a22ca1a 2020-09-23 stsp got_object_blob_file_create(struct got_object_id **id, FILE **blobfile,
117 0a22ca1a 2020-09-23 stsp const char *ondisk_path)
119 ac1c5662 2019-04-13 stsp const struct got_error *err = NULL;
120 ac1c5662 2019-04-13 stsp char *header = NULL;
121 44edeea7 2019-04-11 stsp int fd = -1;
122 44edeea7 2019-04-11 stsp struct stat sb;
123 44edeea7 2019-04-11 stsp SHA1_CTX sha1_ctx;
124 ac1c5662 2019-04-13 stsp size_t headerlen = 0, n;
126 44edeea7 2019-04-11 stsp *id = NULL;
127 0a22ca1a 2020-09-23 stsp *blobfile = NULL;
129 44edeea7 2019-04-11 stsp SHA1Init(&sha1_ctx);
131 44edeea7 2019-04-11 stsp fd = open(ondisk_path, O_RDONLY | O_NOFOLLOW);
132 3d9a4ec4 2020-07-23 stsp if (fd == -1) {
133 3d9a4ec4 2020-07-23 stsp if (errno != ELOOP)
134 3d9a4ec4 2020-07-23 stsp return got_error_from_errno2("open", ondisk_path);
136 3d9a4ec4 2020-07-23 stsp if (lstat(ondisk_path, &sb) == -1) {
137 3d9a4ec4 2020-07-23 stsp err = got_error_from_errno2("lstat", ondisk_path);
140 3d9a4ec4 2020-07-23 stsp } else if (fstat(fd, &sb) == -1) {
141 638f9024 2019-05-13 stsp err = got_error_from_errno2("fstat", ondisk_path);
145 44edeea7 2019-04-11 stsp if (asprintf(&header, "%s %lld", GOT_OBJ_LABEL_BLOB,
146 1367695b 2020-09-26 naddy (long long)sb.st_size) == -1) {
147 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
150 ffb286fd 2019-04-11 stsp headerlen = strlen(header) + 1;
151 ffb286fd 2019-04-11 stsp SHA1Update(&sha1_ctx, header, headerlen);
153 0a22ca1a 2020-09-23 stsp *blobfile = got_opentemp();
154 0a22ca1a 2020-09-23 stsp if (*blobfile == NULL) {
155 638f9024 2019-05-13 stsp err = got_error_from_errno("got_opentemp");
159 0a22ca1a 2020-09-23 stsp n = fwrite(header, 1, headerlen, *blobfile);
160 ac1c5662 2019-04-13 stsp if (n != headerlen) {
161 0a22ca1a 2020-09-23 stsp err = got_ferror(*blobfile, GOT_ERR_IO);
165 2f63b34c 2020-07-23 stsp char buf[PATH_MAX * 8];
166 a14a8cf6 2019-04-11 stsp ssize_t inlen;
168 3d9a4ec4 2020-07-23 stsp if (S_ISLNK(sb.st_mode)) {
169 3d9a4ec4 2020-07-23 stsp inlen = readlink(ondisk_path, buf, sizeof(buf));
170 3d9a4ec4 2020-07-23 stsp if (inlen == -1) {
171 3d9a4ec4 2020-07-23 stsp err = got_error_from_errno("readlink");
175 3d9a4ec4 2020-07-23 stsp inlen = read(fd, buf, sizeof(buf));
176 3d9a4ec4 2020-07-23 stsp if (inlen == -1) {
177 3d9a4ec4 2020-07-23 stsp err = got_error_from_errno("read");
181 a14a8cf6 2019-04-11 stsp if (inlen == 0)
182 a14a8cf6 2019-04-11 stsp break; /* EOF */
183 44edeea7 2019-04-11 stsp SHA1Update(&sha1_ctx, buf, inlen);
184 0a22ca1a 2020-09-23 stsp n = fwrite(buf, 1, inlen, *blobfile);
185 ac1c5662 2019-04-13 stsp if (n != inlen) {
186 0a22ca1a 2020-09-23 stsp err = got_ferror(*blobfile, GOT_ERR_IO);
189 3d9a4ec4 2020-07-23 stsp if (S_ISLNK(sb.st_mode))
193 44edeea7 2019-04-11 stsp *id = malloc(sizeof(**id));
194 44edeea7 2019-04-11 stsp if (*id == NULL) {
195 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
198 4be2a0b4 2019-04-14 stsp SHA1Final((*id)->sha1, &sha1_ctx);
200 0a22ca1a 2020-09-23 stsp if (fflush(*blobfile) != 0) {
201 638f9024 2019-05-13 stsp err = got_error_from_errno("fflush");
204 0a22ca1a 2020-09-23 stsp rewind(*blobfile);
206 44edeea7 2019-04-11 stsp free(header);
207 08578a35 2021-01-22 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
208 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
211 0a22ca1a 2020-09-23 stsp *id = NULL;
212 0a22ca1a 2020-09-23 stsp if (*blobfile) {
213 0a22ca1a 2020-09-23 stsp fclose(*blobfile);
214 0a22ca1a 2020-09-23 stsp *blobfile = NULL;
217 0a22ca1a 2020-09-23 stsp return err;
220 0a22ca1a 2020-09-23 stsp const struct got_error *
221 0a22ca1a 2020-09-23 stsp got_object_blob_create(struct got_object_id **id, const char *ondisk_path,
222 0a22ca1a 2020-09-23 stsp struct got_repository *repo)
224 0a22ca1a 2020-09-23 stsp const struct got_error *err = NULL;
225 0a22ca1a 2020-09-23 stsp FILE *blobfile = NULL;
227 0a22ca1a 2020-09-23 stsp err = got_object_blob_file_create(id, &blobfile, ondisk_path);
229 0a22ca1a 2020-09-23 stsp return err;
231 0a22ca1a 2020-09-23 stsp err = create_object_file(*id, blobfile, repo);
232 0a22ca1a 2020-09-23 stsp if (fclose(blobfile) == EOF && err == NULL)
233 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
236 44edeea7 2019-04-11 stsp *id = NULL;
238 ac1c5662 2019-04-13 stsp return err;
241 f91abf81 2019-04-14 stsp static const struct got_error *
242 7aadece8 2020-05-17 stsp te_mode2str(char *buf, size_t len, struct got_tree_entry *te)
245 f7b97ccb 2020-04-14 stsp mode_t mode;
248 f7b97ccb 2020-04-14 stsp * Some Git implementations are picky about modes seen in tree entries.
249 f7b97ccb 2020-04-14 stsp * For best compatibility we normalize the file/directory mode here.
250 7aadece8 2020-05-17 stsp * Note that we do not support committing symlinks.
252 7aadece8 2020-05-17 stsp if (S_ISREG(te->mode)) {
253 f7b97ccb 2020-04-14 stsp mode = GOT_DEFAULT_FILE_MODE;
254 7aadece8 2020-05-17 stsp if (te->mode & (S_IXUSR | S_IXGRP | S_IXOTH))
255 aaffadfc 2020-05-05 stsp mode |= S_IXUSR | S_IXGRP | S_IXOTH;
256 7aadece8 2020-05-17 stsp } else if (got_object_tree_entry_is_submodule(te))
257 7aadece8 2020-05-17 stsp mode = S_IFDIR | S_IFLNK;
258 3d9a4ec4 2020-07-23 stsp else if (S_ISLNK(te->mode))
259 3d9a4ec4 2020-07-23 stsp mode = S_IFLNK; /* Git leaves all the other bits unset. */
260 7aadece8 2020-05-17 stsp else if (S_ISDIR(te->mode))
261 aaffadfc 2020-05-05 stsp mode = S_IFDIR; /* Git leaves all the other bits unset. */
263 f7b97ccb 2020-04-14 stsp return got_error(GOT_ERR_BAD_FILETYPE);
265 f91abf81 2019-04-14 stsp ret = snprintf(buf, len, "%o ", mode);
266 f91abf81 2019-04-14 stsp if (ret == -1 || ret >= len)
267 f91abf81 2019-04-14 stsp return got_error(GOT_ERR_NO_SPACE);
268 f91abf81 2019-04-14 stsp return NULL;
272 6af1ccbd 2019-08-16 stsp * Git expects directory tree entries to be sorted with an imaginary slash
273 6af1ccbd 2019-08-16 stsp * appended to their name, and will break otherwise. Let's be nice.
274 56e0773d 2019-11-28 stsp * This function is intended to be used with mergesort(3) to sort an
275 56e0773d 2019-11-28 stsp * array of pointers to struct got_tree_entry objects.
278 56e0773d 2019-11-28 stsp sort_tree_entries_the_way_git_likes_it(const void *arg1, const void *arg2)
280 56e0773d 2019-11-28 stsp struct got_tree_entry * const *te1 = arg1;
281 56e0773d 2019-11-28 stsp struct got_tree_entry * const *te2 = arg2;
282 2c98ee28 2019-11-29 stsp char name1[NAME_MAX + 2];
283 2c98ee28 2019-11-29 stsp char name2[NAME_MAX + 2];
285 56e0773d 2019-11-28 stsp strlcpy(name1, (*te1)->name, sizeof(name1));
286 56e0773d 2019-11-28 stsp strlcpy(name2, (*te2)->name, sizeof(name2));
287 56e0773d 2019-11-28 stsp if (S_ISDIR((*te1)->mode))
288 56e0773d 2019-11-28 stsp strlcat(name1, "/", sizeof(name1));
289 56e0773d 2019-11-28 stsp if (S_ISDIR((*te2)->mode))
290 56e0773d 2019-11-28 stsp strlcat(name2, "/", sizeof(name2));
291 56e0773d 2019-11-28 stsp return strcmp(name1, name2);
294 f91abf81 2019-04-14 stsp const struct got_error *
295 f91abf81 2019-04-14 stsp got_object_tree_create(struct got_object_id **id,
296 56e0773d 2019-11-28 stsp struct got_pathlist_head *paths, int nentries, struct got_repository *repo)
298 f91abf81 2019-04-14 stsp const struct got_error *err = NULL;
299 f91abf81 2019-04-14 stsp char modebuf[sizeof("100644 ")];
300 f91abf81 2019-04-14 stsp SHA1_CTX sha1_ctx;
301 f91abf81 2019-04-14 stsp char *header = NULL;
302 f91abf81 2019-04-14 stsp size_t headerlen, len = 0, n;
303 f91abf81 2019-04-14 stsp FILE *treefile = NULL;
304 56e0773d 2019-11-28 stsp struct got_pathlist_entry *pe;
305 56e0773d 2019-11-28 stsp struct got_tree_entry **sorted_entries;
306 f91abf81 2019-04-14 stsp struct got_tree_entry *te;
309 f91abf81 2019-04-14 stsp *id = NULL;
311 51c32763 2019-05-09 stsp SHA1Init(&sha1_ctx);
313 56e0773d 2019-11-28 stsp sorted_entries = calloc(nentries, sizeof(struct got_tree_entry *));
314 56e0773d 2019-11-28 stsp if (sorted_entries == NULL)
315 56e0773d 2019-11-28 stsp return got_error_from_errno("calloc");
318 56e0773d 2019-11-28 stsp TAILQ_FOREACH(pe, paths, entry)
319 56e0773d 2019-11-28 stsp sorted_entries[i++] = pe->data;
320 56e0773d 2019-11-28 stsp mergesort(sorted_entries, nentries, sizeof(struct got_tree_entry *),
321 56e0773d 2019-11-28 stsp sort_tree_entries_the_way_git_likes_it);
323 56e0773d 2019-11-28 stsp for (i = 0; i < nentries; i++) {
324 56e0773d 2019-11-28 stsp te = sorted_entries[i];
325 7aadece8 2020-05-17 stsp err = te_mode2str(modebuf, sizeof(modebuf), te);
328 f91abf81 2019-04-14 stsp len += strlen(modebuf) + strlen(te->name) + 1 +
329 f91abf81 2019-04-14 stsp SHA1_DIGEST_LENGTH;
332 f91abf81 2019-04-14 stsp if (asprintf(&header, "%s %zd", GOT_OBJ_LABEL_TREE, len) == -1) {
333 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
336 f91abf81 2019-04-14 stsp headerlen = strlen(header) + 1;
337 f91abf81 2019-04-14 stsp SHA1Update(&sha1_ctx, header, headerlen);
339 f91abf81 2019-04-14 stsp treefile = got_opentemp();
340 f91abf81 2019-04-14 stsp if (treefile == NULL) {
341 638f9024 2019-05-13 stsp err = got_error_from_errno("got_opentemp");
345 f91abf81 2019-04-14 stsp n = fwrite(header, 1, headerlen, treefile);
346 f91abf81 2019-04-14 stsp if (n != headerlen) {
347 f91abf81 2019-04-14 stsp err = got_ferror(treefile, GOT_ERR_IO);
351 56e0773d 2019-11-28 stsp for (i = 0; i < nentries; i++) {
352 56e0773d 2019-11-28 stsp te = sorted_entries[i];
353 7aadece8 2020-05-17 stsp err = te_mode2str(modebuf, sizeof(modebuf), te);
356 f91abf81 2019-04-14 stsp len = strlen(modebuf);
357 f91abf81 2019-04-14 stsp n = fwrite(modebuf, 1, len, treefile);
358 f91abf81 2019-04-14 stsp if (n != len) {
359 f91abf81 2019-04-14 stsp err = got_ferror(treefile, GOT_ERR_IO);
362 f91abf81 2019-04-14 stsp SHA1Update(&sha1_ctx, modebuf, len);
364 f91abf81 2019-04-14 stsp len = strlen(te->name) + 1; /* must include NUL */
365 f91abf81 2019-04-14 stsp n = fwrite(te->name, 1, len, treefile);
366 f91abf81 2019-04-14 stsp if (n != len) {
367 f91abf81 2019-04-14 stsp err = got_ferror(treefile, GOT_ERR_IO);
370 f91abf81 2019-04-14 stsp SHA1Update(&sha1_ctx, te->name, len);
372 f91abf81 2019-04-14 stsp len = SHA1_DIGEST_LENGTH;
373 56e0773d 2019-11-28 stsp n = fwrite(te->id.sha1, 1, len, treefile);
374 f91abf81 2019-04-14 stsp if (n != len) {
375 f91abf81 2019-04-14 stsp err = got_ferror(treefile, GOT_ERR_IO);
378 56e0773d 2019-11-28 stsp SHA1Update(&sha1_ctx, te->id.sha1, len);
381 f91abf81 2019-04-14 stsp *id = malloc(sizeof(**id));
382 f91abf81 2019-04-14 stsp if (*id == NULL) {
383 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
386 4be2a0b4 2019-04-14 stsp SHA1Final((*id)->sha1, &sha1_ctx);
388 f91abf81 2019-04-14 stsp if (fflush(treefile) != 0) {
389 638f9024 2019-05-13 stsp err = got_error_from_errno("fflush");
392 f91abf81 2019-04-14 stsp rewind(treefile);
394 76f564d5 2019-04-14 stsp err = create_object_file(*id, treefile, repo);
396 f91abf81 2019-04-14 stsp free(header);
397 56e0773d 2019-11-28 stsp free(sorted_entries);
398 56b63ca4 2021-01-22 stsp if (treefile && fclose(treefile) == EOF && err == NULL)
399 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
402 de18fc63 2019-05-09 stsp *id = NULL;
404 de18fc63 2019-05-09 stsp return err;
407 de18fc63 2019-05-09 stsp const struct got_error *
408 de18fc63 2019-05-09 stsp got_object_commit_create(struct got_object_id **id,
409 de18fc63 2019-05-09 stsp struct got_object_id *tree_id, struct got_object_id_queue *parent_ids,
410 de18fc63 2019-05-09 stsp int nparents, const char *author, time_t author_time,
411 de18fc63 2019-05-09 stsp const char *committer, time_t committer_time,
412 de18fc63 2019-05-09 stsp const char *logmsg, struct got_repository *repo)
414 de18fc63 2019-05-09 stsp const struct got_error *err = NULL;
415 de18fc63 2019-05-09 stsp SHA1_CTX sha1_ctx;
416 de18fc63 2019-05-09 stsp char *header = NULL, *tree_str = NULL;
417 de18fc63 2019-05-09 stsp char *author_str = NULL, *committer_str = NULL;
418 de18fc63 2019-05-09 stsp char *id_str = NULL;
419 de18fc63 2019-05-09 stsp size_t headerlen, len = 0, n;
420 de18fc63 2019-05-09 stsp FILE *commitfile = NULL;
421 de18fc63 2019-05-09 stsp struct got_object_qid *qid;
422 787c8eb6 2019-07-11 stsp char *msg0, *msg;
424 de18fc63 2019-05-09 stsp *id = NULL;
426 de18fc63 2019-05-09 stsp SHA1Init(&sha1_ctx);
428 787c8eb6 2019-07-11 stsp msg0 = strdup(logmsg);
429 787c8eb6 2019-07-11 stsp if (msg0 == NULL)
430 787c8eb6 2019-07-11 stsp return got_error_from_errno("strdup");
431 787c8eb6 2019-07-11 stsp msg = msg0;
433 10796104 2019-07-11 stsp while (isspace((unsigned char)msg[0]))
435 787c8eb6 2019-07-11 stsp len = strlen(msg);
436 10796104 2019-07-11 stsp while (len > 0 && isspace((unsigned char)msg[len - 1])) {
437 787c8eb6 2019-07-11 stsp msg[len - 1] = '\0';
441 de18fc63 2019-05-09 stsp if (asprintf(&author_str, "%s%s %lld +0000\n",
442 1367695b 2020-09-26 naddy GOT_COMMIT_LABEL_AUTHOR, author, (long long)author_time) == -1)
443 638f9024 2019-05-13 stsp return got_error_from_errno("asprintf");
445 de18fc63 2019-05-09 stsp if (asprintf(&committer_str, "%s%s %lld +0000\n",
446 de18fc63 2019-05-09 stsp GOT_COMMIT_LABEL_COMMITTER, committer ? committer : author,
447 1367695b 2020-09-26 naddy (long long)(committer ? committer_time : author_time))
449 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
453 de18fc63 2019-05-09 stsp len = strlen(GOT_COMMIT_LABEL_TREE) + SHA1_DIGEST_STRING_LENGTH +
455 de18fc63 2019-05-09 stsp (strlen(GOT_COMMIT_LABEL_PARENT) + SHA1_DIGEST_STRING_LENGTH) +
456 787c8eb6 2019-07-11 stsp + strlen(author_str) + strlen(committer_str) + 2 + strlen(msg);
458 de18fc63 2019-05-09 stsp if (asprintf(&header, "%s %zd", GOT_OBJ_LABEL_COMMIT, len) == -1) {
459 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
462 de18fc63 2019-05-09 stsp headerlen = strlen(header) + 1;
463 de18fc63 2019-05-09 stsp SHA1Update(&sha1_ctx, header, headerlen);
465 de18fc63 2019-05-09 stsp commitfile = got_opentemp();
466 de18fc63 2019-05-09 stsp if (commitfile == NULL) {
467 638f9024 2019-05-13 stsp err = got_error_from_errno("got_opentemp");
471 de18fc63 2019-05-09 stsp n = fwrite(header, 1, headerlen, commitfile);
472 de18fc63 2019-05-09 stsp if (n != headerlen) {
473 de18fc63 2019-05-09 stsp err = got_ferror(commitfile, GOT_ERR_IO);
477 de18fc63 2019-05-09 stsp err = got_object_id_str(&id_str, tree_id);
480 de18fc63 2019-05-09 stsp if (asprintf(&tree_str, "%s%s\n", GOT_COMMIT_LABEL_TREE, id_str)
482 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
485 de18fc63 2019-05-09 stsp len = strlen(tree_str);
486 de18fc63 2019-05-09 stsp SHA1Update(&sha1_ctx, tree_str, len);
487 de18fc63 2019-05-09 stsp n = fwrite(tree_str, 1, len, commitfile);
488 de18fc63 2019-05-09 stsp if (n != len) {
489 de18fc63 2019-05-09 stsp err = got_ferror(commitfile, GOT_ERR_IO);
493 3ce1b845 2019-07-15 stsp if (parent_ids) {
494 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, parent_ids, entry) {
495 3ce1b845 2019-07-15 stsp char *parent_str = NULL;
497 3ce1b845 2019-07-15 stsp free(id_str);
499 3ce1b845 2019-07-15 stsp err = got_object_id_str(&id_str, qid->id);
502 3ce1b845 2019-07-15 stsp if (asprintf(&parent_str, "%s%s\n",
503 3ce1b845 2019-07-15 stsp GOT_COMMIT_LABEL_PARENT, id_str) == -1) {
504 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
507 3ce1b845 2019-07-15 stsp len = strlen(parent_str);
508 3ce1b845 2019-07-15 stsp SHA1Update(&sha1_ctx, parent_str, len);
509 3ce1b845 2019-07-15 stsp n = fwrite(parent_str, 1, len, commitfile);
510 3ce1b845 2019-07-15 stsp if (n != len) {
511 3ce1b845 2019-07-15 stsp err = got_ferror(commitfile, GOT_ERR_IO);
512 3ce1b845 2019-07-15 stsp free(parent_str);
515 de18fc63 2019-05-09 stsp free(parent_str);
519 de18fc63 2019-05-09 stsp len = strlen(author_str);
520 de18fc63 2019-05-09 stsp SHA1Update(&sha1_ctx, author_str, len);
521 de18fc63 2019-05-09 stsp n = fwrite(author_str, 1, len, commitfile);
522 de18fc63 2019-05-09 stsp if (n != len) {
523 de18fc63 2019-05-09 stsp err = got_ferror(commitfile, GOT_ERR_IO);
527 de18fc63 2019-05-09 stsp len = strlen(committer_str);
528 de18fc63 2019-05-09 stsp SHA1Update(&sha1_ctx, committer_str, len);
529 de18fc63 2019-05-09 stsp n = fwrite(committer_str, 1, len, commitfile);
530 de18fc63 2019-05-09 stsp if (n != len) {
531 de18fc63 2019-05-09 stsp err = got_ferror(commitfile, GOT_ERR_IO);
535 de18fc63 2019-05-09 stsp SHA1Update(&sha1_ctx, "\n", 1);
536 de18fc63 2019-05-09 stsp n = fwrite("\n", 1, 1, commitfile);
537 de18fc63 2019-05-09 stsp if (n != 1) {
538 de18fc63 2019-05-09 stsp err = got_ferror(commitfile, GOT_ERR_IO);
542 787c8eb6 2019-07-11 stsp len = strlen(msg);
543 787c8eb6 2019-07-11 stsp SHA1Update(&sha1_ctx, msg, len);
544 787c8eb6 2019-07-11 stsp n = fwrite(msg, 1, len, commitfile);
545 de18fc63 2019-05-09 stsp if (n != len) {
546 de18fc63 2019-05-09 stsp err = got_ferror(commitfile, GOT_ERR_IO);
550 de18fc63 2019-05-09 stsp SHA1Update(&sha1_ctx, "\n", 1);
551 de18fc63 2019-05-09 stsp n = fwrite("\n", 1, 1, commitfile);
552 de18fc63 2019-05-09 stsp if (n != 1) {
553 de18fc63 2019-05-09 stsp err = got_ferror(commitfile, GOT_ERR_IO);
557 de18fc63 2019-05-09 stsp *id = malloc(sizeof(**id));
558 de18fc63 2019-05-09 stsp if (*id == NULL) {
559 638f9024 2019-05-13 stsp err = got_error_from_errno("malloc");
562 de18fc63 2019-05-09 stsp SHA1Final((*id)->sha1, &sha1_ctx);
564 de18fc63 2019-05-09 stsp if (fflush(commitfile) != 0) {
565 638f9024 2019-05-13 stsp err = got_error_from_errno("fflush");
568 de18fc63 2019-05-09 stsp rewind(commitfile);
570 de18fc63 2019-05-09 stsp err = create_object_file(*id, commitfile, repo);
572 787c8eb6 2019-07-11 stsp free(msg0);
573 de18fc63 2019-05-09 stsp free(header);
574 de18fc63 2019-05-09 stsp free(tree_str);
575 de18fc63 2019-05-09 stsp free(author_str);
576 de18fc63 2019-05-09 stsp free(committer_str);
577 56b63ca4 2021-01-22 stsp if (commitfile && fclose(commitfile) == EOF && err == NULL)
578 8e7bd50a 2019-08-22 stsp err = got_error_from_errno("fclose");
581 8e7bd50a 2019-08-22 stsp *id = NULL;
583 8e7bd50a 2019-08-22 stsp return err;
586 8e7bd50a 2019-08-22 stsp const struct got_error *
587 8e7bd50a 2019-08-22 stsp got_object_tag_create(struct got_object_id **id,
588 8e7bd50a 2019-08-22 stsp const char *tag_name, struct got_object_id *object_id, const char *tagger,
589 8e7bd50a 2019-08-22 stsp time_t tagger_time, const char *tagmsg, struct got_repository *repo)
591 8e7bd50a 2019-08-22 stsp const struct got_error *err = NULL;
592 8e7bd50a 2019-08-22 stsp SHA1_CTX sha1_ctx;
593 8e7bd50a 2019-08-22 stsp char *header = NULL;
594 8e7bd50a 2019-08-22 stsp char *tag_str = NULL, *tagger_str = NULL;
595 8e7bd50a 2019-08-22 stsp char *id_str = NULL, *obj_str = NULL, *type_str = NULL;
596 8e7bd50a 2019-08-22 stsp size_t headerlen, len = 0, n;
597 8e7bd50a 2019-08-22 stsp FILE *tagfile = NULL;
598 8e7bd50a 2019-08-22 stsp char *msg0 = NULL, *msg;
599 8e7bd50a 2019-08-22 stsp const char *obj_type_str;
600 8e7bd50a 2019-08-22 stsp int obj_type;
602 8e7bd50a 2019-08-22 stsp *id = NULL;
604 8e7bd50a 2019-08-22 stsp SHA1Init(&sha1_ctx);
606 8e7bd50a 2019-08-22 stsp err = got_object_id_str(&id_str, object_id);
609 8e7bd50a 2019-08-22 stsp if (asprintf(&obj_str, "%s%s\n", GOT_TAG_LABEL_OBJECT, id_str) == -1) {
610 8e7bd50a 2019-08-22 stsp err = got_error_from_errno("asprintf");
614 8e7bd50a 2019-08-22 stsp err = got_object_get_type(&obj_type, repo, object_id);
618 8e7bd50a 2019-08-22 stsp switch (obj_type) {
619 8e7bd50a 2019-08-22 stsp case GOT_OBJ_TYPE_BLOB:
620 8e7bd50a 2019-08-22 stsp obj_type_str = GOT_OBJ_LABEL_BLOB;
622 8e7bd50a 2019-08-22 stsp case GOT_OBJ_TYPE_TREE:
623 8e7bd50a 2019-08-22 stsp obj_type_str = GOT_OBJ_LABEL_TREE;
625 8e7bd50a 2019-08-22 stsp case GOT_OBJ_TYPE_COMMIT:
626 8e7bd50a 2019-08-22 stsp obj_type_str = GOT_OBJ_LABEL_COMMIT;
628 8e7bd50a 2019-08-22 stsp case GOT_OBJ_TYPE_TAG:
629 8e7bd50a 2019-08-22 stsp obj_type_str = GOT_OBJ_LABEL_TAG;
632 8e7bd50a 2019-08-22 stsp err = got_error(GOT_ERR_OBJ_TYPE);
636 8e7bd50a 2019-08-22 stsp if (asprintf(&type_str, "%s%s\n", GOT_TAG_LABEL_TYPE,
637 8e7bd50a 2019-08-22 stsp obj_type_str) == -1) {
638 8e7bd50a 2019-08-22 stsp err = got_error_from_errno("asprintf");
642 8e7bd50a 2019-08-22 stsp if (asprintf(&tag_str, "%s%s\n", GOT_TAG_LABEL_TAG, tag_name) == -1) {
643 8e7bd50a 2019-08-22 stsp err = got_error_from_errno("asprintf");
647 8e7bd50a 2019-08-22 stsp if (asprintf(&tagger_str, "%s%s %lld +0000\n",
648 1367695b 2020-09-26 naddy GOT_TAG_LABEL_TAGGER, tagger, (long long)tagger_time) == -1)
649 8e7bd50a 2019-08-22 stsp return got_error_from_errno("asprintf");
651 8e7bd50a 2019-08-22 stsp msg0 = strdup(tagmsg);
652 8e7bd50a 2019-08-22 stsp if (msg0 == NULL) {
653 8e7bd50a 2019-08-22 stsp err = got_error_from_errno("strdup");
656 8e7bd50a 2019-08-22 stsp msg = msg0;
658 8e7bd50a 2019-08-22 stsp while (isspace((unsigned char)msg[0]))
661 8e7bd50a 2019-08-22 stsp len = strlen(obj_str) + strlen(type_str) + strlen(tag_str) +
662 8e7bd50a 2019-08-22 stsp strlen(tagger_str) + 1 + strlen(msg) + 1;
664 8e7bd50a 2019-08-22 stsp if (asprintf(&header, "%s %zd", GOT_OBJ_LABEL_TAG, len) == -1) {
665 8e7bd50a 2019-08-22 stsp err = got_error_from_errno("asprintf");
669 8e7bd50a 2019-08-22 stsp headerlen = strlen(header) + 1;
670 8e7bd50a 2019-08-22 stsp SHA1Update(&sha1_ctx, header, headerlen);
672 8e7bd50a 2019-08-22 stsp tagfile = got_opentemp();
673 8e7bd50a 2019-08-22 stsp if (tagfile == NULL) {
674 8e7bd50a 2019-08-22 stsp err = got_error_from_errno("got_opentemp");
678 8e7bd50a 2019-08-22 stsp n = fwrite(header, 1, headerlen, tagfile);
679 8e7bd50a 2019-08-22 stsp if (n != headerlen) {
680 8e7bd50a 2019-08-22 stsp err = got_ferror(tagfile, GOT_ERR_IO);
683 8e7bd50a 2019-08-22 stsp len = strlen(obj_str);
684 8e7bd50a 2019-08-22 stsp SHA1Update(&sha1_ctx, obj_str, len);
685 8e7bd50a 2019-08-22 stsp n = fwrite(obj_str, 1, len, tagfile);
686 8e7bd50a 2019-08-22 stsp if (n != len) {
687 8e7bd50a 2019-08-22 stsp err = got_ferror(tagfile, GOT_ERR_IO);
690 8e7bd50a 2019-08-22 stsp len = strlen(type_str);
691 8e7bd50a 2019-08-22 stsp SHA1Update(&sha1_ctx, type_str, len);
692 8e7bd50a 2019-08-22 stsp n = fwrite(type_str, 1, len, tagfile);
693 8e7bd50a 2019-08-22 stsp if (n != len) {
694 8e7bd50a 2019-08-22 stsp err = got_ferror(tagfile, GOT_ERR_IO);
698 8e7bd50a 2019-08-22 stsp len = strlen(tag_str);
699 8e7bd50a 2019-08-22 stsp SHA1Update(&sha1_ctx, tag_str, len);
700 8e7bd50a 2019-08-22 stsp n = fwrite(tag_str, 1, len, tagfile);
701 8e7bd50a 2019-08-22 stsp if (n != len) {
702 8e7bd50a 2019-08-22 stsp err = got_ferror(tagfile, GOT_ERR_IO);
706 8e7bd50a 2019-08-22 stsp len = strlen(tagger_str);
707 8e7bd50a 2019-08-22 stsp SHA1Update(&sha1_ctx, tagger_str, len);
708 8e7bd50a 2019-08-22 stsp n = fwrite(tagger_str, 1, len, tagfile);
709 8e7bd50a 2019-08-22 stsp if (n != len) {
710 8e7bd50a 2019-08-22 stsp err = got_ferror(tagfile, GOT_ERR_IO);
714 8e7bd50a 2019-08-22 stsp SHA1Update(&sha1_ctx, "\n", 1);
715 8e7bd50a 2019-08-22 stsp n = fwrite("\n", 1, 1, tagfile);
716 8e7bd50a 2019-08-22 stsp if (n != 1) {
717 8e7bd50a 2019-08-22 stsp err = got_ferror(tagfile, GOT_ERR_IO);
721 8e7bd50a 2019-08-22 stsp len = strlen(msg);
722 8e7bd50a 2019-08-22 stsp SHA1Update(&sha1_ctx, msg, len);
723 8e7bd50a 2019-08-22 stsp n = fwrite(msg, 1, len, tagfile);
724 8e7bd50a 2019-08-22 stsp if (n != len) {
725 8e7bd50a 2019-08-22 stsp err = got_ferror(tagfile, GOT_ERR_IO);
729 8e7bd50a 2019-08-22 stsp SHA1Update(&sha1_ctx, "\n", 1);
730 8e7bd50a 2019-08-22 stsp n = fwrite("\n", 1, 1, tagfile);
731 8e7bd50a 2019-08-22 stsp if (n != 1) {
732 8e7bd50a 2019-08-22 stsp err = got_ferror(tagfile, GOT_ERR_IO);
736 8e7bd50a 2019-08-22 stsp *id = malloc(sizeof(**id));
737 8e7bd50a 2019-08-22 stsp if (*id == NULL) {
738 8e7bd50a 2019-08-22 stsp err = got_error_from_errno("malloc");
741 8e7bd50a 2019-08-22 stsp SHA1Final((*id)->sha1, &sha1_ctx);
743 8e7bd50a 2019-08-22 stsp if (fflush(tagfile) != 0) {
744 8e7bd50a 2019-08-22 stsp err = got_error_from_errno("fflush");
747 8e7bd50a 2019-08-22 stsp rewind(tagfile);
749 8e7bd50a 2019-08-22 stsp err = create_object_file(*id, tagfile, repo);
751 8e7bd50a 2019-08-22 stsp free(msg0);
752 8e7bd50a 2019-08-22 stsp free(header);
753 8e7bd50a 2019-08-22 stsp free(obj_str);
754 8e7bd50a 2019-08-22 stsp free(tagger_str);
755 56b63ca4 2021-01-22 stsp if (tagfile && fclose(tagfile) == EOF && err == NULL)
756 638f9024 2019-05-13 stsp err = got_error_from_errno("fclose");
759 f91abf81 2019-04-14 stsp *id = NULL;
761 f91abf81 2019-04-14 stsp return err;