2 86c3caaf 2018-03-09 stsp * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
4 86c3caaf 2018-03-09 stsp * Permission to use, copy, modify, and distribute this software for any
5 86c3caaf 2018-03-09 stsp * purpose with or without fee is hereby granted, provided that the above
6 86c3caaf 2018-03-09 stsp * copyright notice and this permission notice appear in all copies.
8 86c3caaf 2018-03-09 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 86c3caaf 2018-03-09 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 86c3caaf 2018-03-09 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 86c3caaf 2018-03-09 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 86c3caaf 2018-03-09 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 86c3caaf 2018-03-09 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 86c3caaf 2018-03-09 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 86c3caaf 2018-03-09 stsp #include <sys/stat.h>
18 6d9d28c3 2018-03-11 stsp #include <sys/limits.h>
19 9d31a1d8 2018-03-11 stsp #include <sys/queue.h>
21 86c3caaf 2018-03-09 stsp #include <string.h>
22 86c3caaf 2018-03-09 stsp #include <stdio.h>
23 86c3caaf 2018-03-09 stsp #include <stdlib.h>
24 86c3caaf 2018-03-09 stsp #include <fcntl.h>
25 86c3caaf 2018-03-09 stsp #include <errno.h>
26 86c3caaf 2018-03-09 stsp #include <unistd.h>
27 9d31a1d8 2018-03-11 stsp #include <sha1.h>
28 9d31a1d8 2018-03-11 stsp #include <zlib.h>
29 9d31a1d8 2018-03-11 stsp #include <fnmatch.h>
31 86c3caaf 2018-03-09 stsp #include "got_error.h"
32 86c3caaf 2018-03-09 stsp #include "got_repository.h"
33 86c3caaf 2018-03-09 stsp #include "got_refs.h"
34 9d31a1d8 2018-03-11 stsp #include "got_object.h"
35 86c3caaf 2018-03-09 stsp #include "got_worktree.h"
37 32cb896c 2018-03-11 stsp #include "got_worktree_lib.h"
38 32cb896c 2018-03-11 stsp #include "got_path_lib.h"
39 32cb896c 2018-03-11 stsp #include "got_sha1_lib.h"
40 9d31a1d8 2018-03-11 stsp #include "got_fileindex_lib.h"
41 9d31a1d8 2018-03-11 stsp #include "got_zbuf_lib.h"
42 9d31a1d8 2018-03-11 stsp #include "got_delta_lib.h"
43 9d31a1d8 2018-03-11 stsp #include "got_object_lib.h"
46 9d31a1d8 2018-03-11 stsp #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
49 99724ed4 2018-03-10 stsp static const struct got_error *
50 7ac97322 2018-03-11 stsp create_meta_file(const char *path_got, const char *name, const char *content)
52 99724ed4 2018-03-10 stsp const struct got_error *err = NULL;
54 99724ed4 2018-03-10 stsp int fd = -1;
55 99724ed4 2018-03-10 stsp char buf[4];
58 7ac97322 2018-03-11 stsp if (asprintf(&path, "%s/%s", path_got, name) == -1) {
59 99724ed4 2018-03-10 stsp err = got_error(GOT_ERR_NO_MEM);
60 99724ed4 2018-03-10 stsp path = NULL;
64 73a5ef67 2018-03-11 stsp fd = open(path, O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW,
65 99724ed4 2018-03-10 stsp GOT_DEFAULT_FILE_MODE);
66 99724ed4 2018-03-10 stsp if (fd == -1) {
67 99724ed4 2018-03-10 stsp err = got_error_from_errno();
71 99724ed4 2018-03-10 stsp /* The file should be empty. */
72 99724ed4 2018-03-10 stsp n = read(fd, buf, sizeof(buf));
73 99724ed4 2018-03-10 stsp if (n != 0) {
74 99724ed4 2018-03-10 stsp err = (n == -1 ? got_error_from_errno() :
75 99724ed4 2018-03-10 stsp got_error(GOT_ERR_WORKTREE_EXISTS));
79 99724ed4 2018-03-10 stsp if (content) {
80 99724ed4 2018-03-10 stsp int len = dprintf(fd, "%s\n", content);
81 99724ed4 2018-03-10 stsp if (len != strlen(content) + 1) {
82 99724ed4 2018-03-10 stsp err = got_error_from_errno();
88 99724ed4 2018-03-10 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
89 99724ed4 2018-03-10 stsp err = got_error_from_errno();
94 09fe317a 2018-03-11 stsp static const struct got_error *
95 7ac97322 2018-03-11 stsp read_meta_file(char **content, const char *path_got, const char *name)
97 09fe317a 2018-03-11 stsp const struct got_error *err = NULL;
99 09fe317a 2018-03-11 stsp int fd = -1;
101 09fe317a 2018-03-11 stsp struct stat sb;
103 09fe317a 2018-03-11 stsp *content = NULL;
105 7ac97322 2018-03-11 stsp if (asprintf(&path, "%s/%s", path_got, name) == -1) {
106 09fe317a 2018-03-11 stsp err = got_error(GOT_ERR_NO_MEM);
107 09fe317a 2018-03-11 stsp path = NULL;
111 ef99fdb1 2018-03-11 stsp fd = open(path, O_RDONLY | O_NOFOLLOW);
112 09fe317a 2018-03-11 stsp if (fd == -1) {
113 ef99fdb1 2018-03-11 stsp err = got_error_from_errno();
116 ef99fdb1 2018-03-11 stsp if (flock(fd, LOCK_SH | LOCK_NB) == -1) {
117 73a5ef67 2018-03-11 stsp err = (errno == EWOULDBLOCK ? got_error(GOT_ERR_WORKTREE_BUSY)
118 73a5ef67 2018-03-11 stsp : got_error_from_errno());
122 09fe317a 2018-03-11 stsp stat(path, &sb);
123 09fe317a 2018-03-11 stsp *content = calloc(1, sb.st_size);
124 09fe317a 2018-03-11 stsp if (*content == NULL) {
125 09fe317a 2018-03-11 stsp err = got_error(GOT_ERR_NO_MEM);
129 09fe317a 2018-03-11 stsp n = read(fd, *content, sb.st_size);
130 09fe317a 2018-03-11 stsp if (n != sb.st_size) {
131 0605801d 2018-03-11 stsp err = (n == -1 ? got_error_from_errno() :
132 0605801d 2018-03-11 stsp got_error(GOT_ERR_WORKTREE_META));
135 09fe317a 2018-03-11 stsp if ((*content)[sb.st_size - 1] != '\n') {
136 09fe317a 2018-03-11 stsp err = got_error(GOT_ERR_WORKTREE_META);
139 09fe317a 2018-03-11 stsp (*content)[sb.st_size - 1] = '\0';
142 09fe317a 2018-03-11 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
143 09fe317a 2018-03-11 stsp err = got_error_from_errno();
144 09fe317a 2018-03-11 stsp free(path);
146 09fe317a 2018-03-11 stsp free(*content);
147 09fe317a 2018-03-11 stsp *content = NULL;
149 09fe317a 2018-03-11 stsp return err;
152 86c3caaf 2018-03-09 stsp const struct got_error *
153 86c3caaf 2018-03-09 stsp got_worktree_init(const char *path, struct got_reference *head_ref,
154 577ec78f 2018-03-11 stsp const char *prefix, struct got_repository *repo)
156 86c3caaf 2018-03-09 stsp const struct got_error *err = NULL;
157 7ac97322 2018-03-11 stsp char *path_got = NULL;
158 86c3caaf 2018-03-09 stsp char *refstr = NULL;
159 cde76477 2018-03-11 stsp char *repo_path = NULL;
160 1451e70d 2018-03-10 stsp char *formatstr = NULL;
162 577ec78f 2018-03-11 stsp if (!got_path_is_absolute(prefix))
163 577ec78f 2018-03-11 stsp return got_error(GOT_ERR_BAD_PATH);
165 86c3caaf 2018-03-09 stsp /* Create top-level directory (may already exist). */
166 2cb4bacb 2018-03-11 stsp if (mkdir(path, GOT_DEFAULT_DIR_MODE) == -1 && errno != EEXIST) {
167 86c3caaf 2018-03-09 stsp err = got_error_from_errno();
171 86c3caaf 2018-03-09 stsp /* Create .got directory (may already exist). */
172 7ac97322 2018-03-11 stsp if (asprintf(&path_got, "%s/%s", path, GOT_WORKTREE_GOT_DIR) == -1) {
173 86c3caaf 2018-03-09 stsp err = got_error(GOT_ERR_NO_MEM);
176 7ac97322 2018-03-11 stsp if (mkdir(path_got, GOT_DEFAULT_DIR_MODE) == -1 && errno != EEXIST) {
177 86c3caaf 2018-03-09 stsp err = got_error_from_errno();
181 056e7441 2018-03-11 stsp /* Create an empty lock file. */
182 7ac97322 2018-03-11 stsp err = create_meta_file(path_got, GOT_WORKTREE_LOCK, NULL);
186 86c3caaf 2018-03-09 stsp /* Create an empty file index. */
187 7ac97322 2018-03-11 stsp err = create_meta_file(path_got, GOT_WORKTREE_FILE_INDEX, NULL);
191 65e3b818 2018-03-11 stsp /* Save an invalid base commit hash. */
192 65e3b818 2018-03-11 stsp err = create_meta_file(path_got, GOT_WORKTREE_BASE_COMMIT,
193 65e3b818 2018-03-11 stsp GOT_WORKTREE_INVALID_COMMIT_ID);
197 86c3caaf 2018-03-09 stsp /* Write the HEAD reference. */
198 86c3caaf 2018-03-09 stsp refstr = got_ref_to_str(head_ref);
199 86c3caaf 2018-03-09 stsp if (refstr == NULL) {
200 86c3caaf 2018-03-09 stsp err = got_error(GOT_ERR_NO_MEM);
203 7ac97322 2018-03-11 stsp err = create_meta_file(path_got, GOT_WORKTREE_HEAD, refstr);
207 1451e70d 2018-03-10 stsp /* Store path to repository. */
208 cde76477 2018-03-11 stsp repo_path = got_repo_get_path(repo);
209 cde76477 2018-03-11 stsp if (repo_path == NULL) {
210 86c3caaf 2018-03-09 stsp err = got_error(GOT_ERR_NO_MEM);
213 cde76477 2018-03-11 stsp err = create_meta_file(path_got, GOT_WORKTREE_REPOSITORY, repo_path);
217 577ec78f 2018-03-11 stsp /* Store in-repository path prefix. */
218 7ac97322 2018-03-11 stsp err = create_meta_file(path_got, GOT_WORKTREE_PATH_PREFIX, prefix);
222 9dce68ed 2018-03-10 stsp /* Stamp work tree with format file. */
223 1451e70d 2018-03-10 stsp if (asprintf(&formatstr, "%d", GOT_WORKTREE_FORMAT_VERSION) == -1) {
224 1451e70d 2018-03-10 stsp err = got_error(GOT_ERR_NO_MEM);
227 7ac97322 2018-03-11 stsp err = create_meta_file(path_got, GOT_WORKTREE_FORMAT, formatstr);
232 7ac97322 2018-03-11 stsp free(path_got);
233 1451e70d 2018-03-10 stsp free(formatstr);
234 86c3caaf 2018-03-09 stsp free(refstr);
235 cde76477 2018-03-11 stsp free(repo_path);
236 86c3caaf 2018-03-09 stsp return err;
239 86c3caaf 2018-03-09 stsp const struct got_error *
240 86c3caaf 2018-03-09 stsp got_worktree_open(struct got_worktree **worktree, const char *path)
242 6d9d28c3 2018-03-11 stsp const struct got_error *err = NULL;
243 7ac97322 2018-03-11 stsp char *path_got;
244 6d9d28c3 2018-03-11 stsp char *refstr = NULL;
245 6d9d28c3 2018-03-11 stsp char *formatstr = NULL;
246 056e7441 2018-03-11 stsp char *path_lock = NULL;
247 6d9d28c3 2018-03-11 stsp int version, fd = -1;
248 6d9d28c3 2018-03-11 stsp const char *errstr;
250 6d9d28c3 2018-03-11 stsp *worktree = NULL;
252 7ac97322 2018-03-11 stsp if (asprintf(&path_got, "%s/%s", path, GOT_WORKTREE_GOT_DIR) == -1) {
253 6d9d28c3 2018-03-11 stsp err = got_error(GOT_ERR_NO_MEM);
254 7ac97322 2018-03-11 stsp path_got = NULL;
258 7ac97322 2018-03-11 stsp if (asprintf(&path_lock, "%s/%s", path_got, GOT_WORKTREE_LOCK) == -1) {
259 6d9d28c3 2018-03-11 stsp err = got_error(GOT_ERR_NO_MEM);
260 056e7441 2018-03-11 stsp path_lock = NULL;
264 056e7441 2018-03-11 stsp fd = open(path_lock, O_RDWR | O_EXLOCK | O_NONBLOCK);
265 6d9d28c3 2018-03-11 stsp if (fd == -1) {
266 73a5ef67 2018-03-11 stsp err = (errno == EWOULDBLOCK ? got_error(GOT_ERR_WORKTREE_BUSY)
267 73a5ef67 2018-03-11 stsp : got_error_from_errno());
271 7ac97322 2018-03-11 stsp err = read_meta_file(&formatstr, path_got, GOT_WORKTREE_FORMAT);
275 6d9d28c3 2018-03-11 stsp version = strtonum(formatstr, 1, INT_MAX, &errstr);
276 6d9d28c3 2018-03-11 stsp if (errstr) {
277 6d9d28c3 2018-03-11 stsp err = got_error(GOT_ERR_WORKTREE_META);
280 6d9d28c3 2018-03-11 stsp if (version != GOT_WORKTREE_FORMAT_VERSION) {
281 6d9d28c3 2018-03-11 stsp err = got_error(GOT_ERR_WORKTREE_VERS);
285 6d9d28c3 2018-03-11 stsp *worktree = calloc(1, sizeof(**worktree));
286 6d9d28c3 2018-03-11 stsp if (*worktree == NULL) {
287 6d9d28c3 2018-03-11 stsp err = got_error(GOT_ERR_NO_MEM);
290 056e7441 2018-03-11 stsp (*worktree)->lockfd = -1;
292 c88eb298 2018-03-11 stsp (*worktree)->root_path = strdup(path);
293 c88eb298 2018-03-11 stsp if ((*worktree)->root_path == NULL) {
294 6d9d28c3 2018-03-11 stsp err = got_error(GOT_ERR_NO_MEM);
297 cde76477 2018-03-11 stsp err = read_meta_file(&(*worktree)->repo_path, path_got,
298 6d9d28c3 2018-03-11 stsp GOT_WORKTREE_REPOSITORY);
301 7ac97322 2018-03-11 stsp err = read_meta_file(&(*worktree)->path_prefix, path_got,
302 6d9d28c3 2018-03-11 stsp GOT_WORKTREE_PATH_PREFIX);
306 f5baf295 2018-03-11 stsp err = read_meta_file(&(*worktree)->base_commit, path_got,
307 f5baf295 2018-03-11 stsp GOT_WORKTREE_BASE_COMMIT);
311 e8f36958 2018-03-11 stsp err = read_meta_file(&(*worktree)->head_ref, path_got,
312 e8f36958 2018-03-11 stsp GOT_WORKTREE_HEAD);
317 7ac97322 2018-03-11 stsp free(path_got);
318 056e7441 2018-03-11 stsp free(path_lock);
320 6d9d28c3 2018-03-11 stsp if (fd != -1)
322 6d9d28c3 2018-03-11 stsp if (*worktree != NULL)
323 6d9d28c3 2018-03-11 stsp got_worktree_close(*worktree);
324 6d9d28c3 2018-03-11 stsp *worktree = NULL;
326 056e7441 2018-03-11 stsp (*worktree)->lockfd = fd;
328 6d9d28c3 2018-03-11 stsp return err;
332 86c3caaf 2018-03-09 stsp got_worktree_close(struct got_worktree *worktree)
334 c88eb298 2018-03-11 stsp free(worktree->root_path);
335 cde76477 2018-03-11 stsp free(worktree->repo_path);
336 6d9d28c3 2018-03-11 stsp free(worktree->path_prefix);
337 d6c38e0d 2018-03-11 stsp free(worktree->base_commit);
338 e8f36958 2018-03-11 stsp free(worktree->head_ref);
339 056e7441 2018-03-11 stsp if (worktree->lockfd != -1)
340 056e7441 2018-03-11 stsp close(worktree->lockfd);
341 6d9d28c3 2018-03-11 stsp free(worktree);
345 86c3caaf 2018-03-09 stsp got_worktree_get_repo_path(struct got_worktree *worktree)
347 cde76477 2018-03-11 stsp return strdup(worktree->repo_path);
351 35be1456 2018-03-11 stsp got_worktree_get_head_ref_name(struct got_worktree *worktree)
353 35be1456 2018-03-11 stsp return strdup(worktree->head_ref);
356 9d31a1d8 2018-03-11 stsp static const struct got_error *
357 9d31a1d8 2018-03-11 stsp lock_worktree(struct got_worktree *worktree, int operation)
359 9d31a1d8 2018-03-11 stsp if (flock(worktree->lockfd, operation | LOCK_NB) == -1)
360 9d31a1d8 2018-03-11 stsp return (errno == EWOULDBLOCK ? got_error(GOT_ERR_WORKTREE_BUSY)
361 9d31a1d8 2018-03-11 stsp : got_error_from_errno());
362 86c3caaf 2018-03-09 stsp return NULL;
365 9d31a1d8 2018-03-11 stsp static const char *
366 9d31a1d8 2018-03-11 stsp apply_path_prefix(struct got_worktree *worktree, const char *path)
368 9d31a1d8 2018-03-11 stsp const char *p = path;
369 9d31a1d8 2018-03-11 stsp p += strlen(worktree->path_prefix);
370 9d31a1d8 2018-03-11 stsp if (*p == '/')
375 9d31a1d8 2018-03-11 stsp static const struct got_error *
376 9d31a1d8 2018-03-11 stsp add_file_on_disk(struct got_worktree *worktree, struct got_fileindex *fileindex,
377 9d31a1d8 2018-03-11 stsp const char *path, struct got_blob_object *blob, struct got_repository *repo)
379 9d31a1d8 2018-03-11 stsp const struct got_error *err = NULL;
380 c34b20a2 2018-03-12 stsp char *ondisk_path;
382 9d31a1d8 2018-03-11 stsp size_t len, hdrlen;
383 9d31a1d8 2018-03-11 stsp struct got_fileindex_entry *entry;
385 c34b20a2 2018-03-12 stsp if (asprintf(&ondisk_path, "%s/%s", worktree->root_path,
386 9d31a1d8 2018-03-11 stsp apply_path_prefix(worktree, path)) == -1)
387 9d31a1d8 2018-03-11 stsp return got_error(GOT_ERR_NO_MEM);
389 c34b20a2 2018-03-12 stsp fd = open(ondisk_path, O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW,
390 9d31a1d8 2018-03-11 stsp GOT_DEFAULT_FILE_MODE);
391 9d31a1d8 2018-03-11 stsp if (fd == -1) {
392 9d31a1d8 2018-03-11 stsp err = got_error_from_errno();
393 9d31a1d8 2018-03-11 stsp if (errno == EEXIST) {
394 9d31a1d8 2018-03-11 stsp struct stat sb;
395 c34b20a2 2018-03-12 stsp if (lstat(ondisk_path, &sb) == -1) {
396 9d31a1d8 2018-03-11 stsp err = got_error_from_errno();
397 9d31a1d8 2018-03-11 stsp } else if (!S_ISREG(sb.st_mode)) {
398 9d31a1d8 2018-03-11 stsp /* TODO file is obstructed; do something */
399 9d31a1d8 2018-03-11 stsp err = got_error(GOT_ERR_FILE_OBSTRUCTED);
402 9d31a1d8 2018-03-11 stsp return err;
405 9d31a1d8 2018-03-11 stsp hdrlen = got_object_blob_get_hdrlen(blob);
407 9d31a1d8 2018-03-11 stsp const uint8_t *buf = got_object_blob_get_read_buf(blob);
408 9d31a1d8 2018-03-11 stsp err = got_object_blob_read_block(&len, blob);
411 9d31a1d8 2018-03-11 stsp if (len > 0) {
412 9d31a1d8 2018-03-11 stsp /* Skip blob object header first time around. */
413 9d31a1d8 2018-03-11 stsp ssize_t outlen = write(fd, buf + hdrlen, len - hdrlen);
414 9d31a1d8 2018-03-11 stsp hdrlen = 0;
415 9d31a1d8 2018-03-11 stsp if (outlen == -1) {
416 9d31a1d8 2018-03-11 stsp err = got_error_from_errno();
418 9d31a1d8 2018-03-11 stsp } else if (outlen != len) {
419 9d31a1d8 2018-03-11 stsp err = got_error(GOT_ERR_IO);
423 9d31a1d8 2018-03-11 stsp } while (len != 0);
427 c34b20a2 2018-03-12 stsp err = got_fileindex_entry_open(&entry, ondisk_path,
428 c34b20a2 2018-03-12 stsp apply_path_prefix(worktree, path), blob->id.sha1);
432 9d31a1d8 2018-03-11 stsp err = got_fileindex_entry_add(fileindex, entry);
437 c34b20a2 2018-03-12 stsp free(ondisk_path);
438 9d31a1d8 2018-03-11 stsp return err;
441 9d31a1d8 2018-03-11 stsp static const struct got_error *
442 9d31a1d8 2018-03-11 stsp add_dir_on_disk(struct got_worktree *worktree, const char *path)
444 9d31a1d8 2018-03-11 stsp const struct got_error *err = NULL;
445 9d31a1d8 2018-03-11 stsp char *abspath;
446 9d31a1d8 2018-03-11 stsp size_t len;
448 9d31a1d8 2018-03-11 stsp if (asprintf(&abspath, "%s/%s", worktree->root_path,
449 9d31a1d8 2018-03-11 stsp apply_path_prefix(worktree, path)) == -1)
450 9d31a1d8 2018-03-11 stsp return got_error(GOT_ERR_NO_MEM);
452 9d31a1d8 2018-03-11 stsp /* XXX queue work rather than editing disk directly? */
453 9d31a1d8 2018-03-11 stsp if (mkdir(abspath, GOT_DEFAULT_DIR_MODE) == -1) {
454 9d31a1d8 2018-03-11 stsp struct stat sb;
456 9d31a1d8 2018-03-11 stsp if (errno != EEXIST) {
457 9d31a1d8 2018-03-11 stsp err = got_error_from_errno();
461 9d31a1d8 2018-03-11 stsp if (lstat(abspath, &sb) == -1) {
462 9d31a1d8 2018-03-11 stsp err = got_error_from_errno();
466 9d31a1d8 2018-03-11 stsp if (!S_ISDIR(sb.st_mode)) {
467 9d31a1d8 2018-03-11 stsp /* TODO directory is obstructed; do something */
468 9d31a1d8 2018-03-11 stsp return got_error(GOT_ERR_FILE_OBSTRUCTED);
473 9d31a1d8 2018-03-11 stsp free(abspath);
474 9d31a1d8 2018-03-11 stsp return err;
477 9d31a1d8 2018-03-11 stsp static const struct got_error *
478 9d31a1d8 2018-03-11 stsp tree_checkout(struct got_worktree *, struct got_fileindex *,
479 9d31a1d8 2018-03-11 stsp struct got_tree_object *, const char *, struct got_repository *);
481 9d31a1d8 2018-03-11 stsp static const struct got_error *
482 9d31a1d8 2018-03-11 stsp tree_checkout_entry(struct got_worktree *worktree,
483 9d31a1d8 2018-03-11 stsp struct got_fileindex *fileindex, struct got_tree_entry *te,
484 9d31a1d8 2018-03-11 stsp const char *parent, struct got_repository *repo)
486 9d31a1d8 2018-03-11 stsp const struct got_error *err = NULL;
487 9d31a1d8 2018-03-11 stsp struct got_object *obj = NULL;
488 9d31a1d8 2018-03-11 stsp struct got_blob_object *blob = NULL;
489 9d31a1d8 2018-03-11 stsp struct got_tree_object *tree = NULL;
490 9d31a1d8 2018-03-11 stsp char *path = NULL;
491 9d31a1d8 2018-03-11 stsp size_t len;
493 9d31a1d8 2018-03-11 stsp if (parent[0] == '/' && parent[1] == '\0')
494 9d31a1d8 2018-03-11 stsp parent = "";
495 9d31a1d8 2018-03-11 stsp if (asprintf(&path, "%s/%s", parent, te->name) == -1)
496 9d31a1d8 2018-03-11 stsp return got_error(GOT_ERR_NO_MEM);
498 9d31a1d8 2018-03-11 stsp /* Skip this entry if it is outside of our path prefix. */
499 9d31a1d8 2018-03-11 stsp len = MIN(strlen(worktree->path_prefix), strlen(path));
500 9d31a1d8 2018-03-11 stsp if (strncmp(path, worktree->path_prefix, len) != 0) {
501 9d31a1d8 2018-03-11 stsp free(path);
502 9d31a1d8 2018-03-11 stsp return NULL;
505 9d31a1d8 2018-03-11 stsp err = got_object_open(&obj, repo, te->id);
509 9d31a1d8 2018-03-11 stsp switch (got_object_get_type(obj)) {
510 9d31a1d8 2018-03-11 stsp case GOT_OBJ_TYPE_BLOB:
511 9d31a1d8 2018-03-11 stsp if (strlen(worktree->path_prefix) >= strlen(path))
513 9d31a1d8 2018-03-11 stsp err = got_object_blob_open(&blob, repo, obj, 8192);
516 9d31a1d8 2018-03-11 stsp err = add_file_on_disk(worktree, fileindex, path, blob, repo);
518 9d31a1d8 2018-03-11 stsp case GOT_OBJ_TYPE_TREE:
519 9d31a1d8 2018-03-11 stsp err = got_object_tree_open(&tree, repo, obj);
522 9d31a1d8 2018-03-11 stsp if (strlen(worktree->path_prefix) < strlen(path)) {
523 9d31a1d8 2018-03-11 stsp err = add_dir_on_disk(worktree, path);
527 9d31a1d8 2018-03-11 stsp err = tree_checkout(worktree, fileindex, tree, path, repo);
535 9d31a1d8 2018-03-11 stsp got_object_blob_close(blob);
537 9d31a1d8 2018-03-11 stsp got_object_tree_close(tree);
539 9d31a1d8 2018-03-11 stsp got_object_close(obj);
540 9d31a1d8 2018-03-11 stsp free(path);
541 9d31a1d8 2018-03-11 stsp return err;
544 9d31a1d8 2018-03-11 stsp static const struct got_error *
545 9d31a1d8 2018-03-11 stsp tree_checkout(struct got_worktree *worktree,
546 9d31a1d8 2018-03-11 stsp struct got_fileindex *fileindex, struct got_tree_object *tree,
547 9d31a1d8 2018-03-11 stsp const char *path, struct got_repository *repo)
549 9d31a1d8 2018-03-11 stsp const struct got_error *err = NULL;
550 9d31a1d8 2018-03-11 stsp struct got_tree_entry *te;
551 9d31a1d8 2018-03-11 stsp size_t len;
553 9d31a1d8 2018-03-11 stsp /* Skip this tree if it is outside of our path prefix. */
554 9d31a1d8 2018-03-11 stsp len = MIN(strlen(worktree->path_prefix), strlen(path));
555 9d31a1d8 2018-03-11 stsp if (strncmp(path, worktree->path_prefix, len) != 0)
556 9d31a1d8 2018-03-11 stsp return NULL;
558 9d31a1d8 2018-03-11 stsp SIMPLEQ_FOREACH(te, &tree->entries, entry) {
559 9d31a1d8 2018-03-11 stsp err = tree_checkout_entry(worktree, fileindex, te, path, repo);
564 9d31a1d8 2018-03-11 stsp return err;
567 9d31a1d8 2018-03-11 stsp const struct got_error *
568 9d31a1d8 2018-03-11 stsp got_worktree_checkout_files(struct got_worktree *worktree,
569 9d31a1d8 2018-03-11 stsp struct got_reference *head_ref, struct got_repository *repo)
571 9d31a1d8 2018-03-11 stsp const struct got_error *err = NULL, *unlockerr;
572 9d31a1d8 2018-03-11 stsp struct got_object_id *commit_id = NULL;
573 9d31a1d8 2018-03-11 stsp struct got_object *obj = NULL;
574 9d31a1d8 2018-03-11 stsp struct got_commit_object *commit = NULL;
575 9d31a1d8 2018-03-11 stsp struct got_tree_object *tree = NULL;
576 9d31a1d8 2018-03-11 stsp char *fileindex_path = NULL, *new_fileindex_path = NULL;
577 9d31a1d8 2018-03-11 stsp struct got_fileindex *fileindex = NULL;
578 9d31a1d8 2018-03-11 stsp FILE *findex = NULL;
580 9d31a1d8 2018-03-11 stsp err = lock_worktree(worktree, LOCK_EX);
582 9d31a1d8 2018-03-11 stsp return err;
584 9d31a1d8 2018-03-11 stsp fileindex = got_fileindex_open();
585 9d31a1d8 2018-03-11 stsp if (fileindex == NULL) {
586 9d31a1d8 2018-03-11 stsp err = got_error(GOT_ERR_NO_MEM);
590 9d31a1d8 2018-03-11 stsp err = got_opentemp_named(&new_fileindex_path, &findex, fileindex_path);
595 9d31a1d8 2018-03-11 stsp if (asprintf(&fileindex_path, "%s/%s/%s", worktree->root_path,
596 9d31a1d8 2018-03-11 stsp GOT_WORKTREE_GOT_DIR, GOT_WORKTREE_FILE_INDEX) == -1) {
597 9d31a1d8 2018-03-11 stsp err = got_error(GOT_ERR_NO_MEM);
598 9d31a1d8 2018-03-11 stsp fileindex_path = NULL;
602 9d31a1d8 2018-03-11 stsp err = got_ref_resolve(&commit_id, repo, head_ref);
606 9d31a1d8 2018-03-11 stsp err = got_object_open(&obj, repo, commit_id);
610 9d31a1d8 2018-03-11 stsp if (got_object_get_type(obj) != GOT_OBJ_TYPE_COMMIT) {
611 9d31a1d8 2018-03-11 stsp err = got_error(GOT_ERR_OBJ_TYPE);
615 9d31a1d8 2018-03-11 stsp err = got_object_commit_open(&commit, repo, obj);
619 9d31a1d8 2018-03-11 stsp got_object_close(obj);
620 9d31a1d8 2018-03-11 stsp err = got_object_open(&obj, repo, commit->tree_id);
624 9d31a1d8 2018-03-11 stsp if (got_object_get_type(obj) != GOT_OBJ_TYPE_TREE) {
625 9d31a1d8 2018-03-11 stsp err = got_error(GOT_ERR_OBJ_TYPE);
629 9d31a1d8 2018-03-11 stsp err = got_object_tree_open(&tree, repo, obj);
633 9d31a1d8 2018-03-11 stsp err = tree_checkout(worktree, fileindex, tree, "/", repo);
637 9d31a1d8 2018-03-11 stsp err = got_fileindex_write(fileindex, findex);
641 9d31a1d8 2018-03-11 stsp if (rename(new_fileindex_path, fileindex_path) != 0) {
642 9d31a1d8 2018-03-11 stsp err = got_error_from_errno();
646 9d31a1d8 2018-03-11 stsp free(new_fileindex_path);
647 9d31a1d8 2018-03-11 stsp new_fileindex_path = NULL;
650 9d31a1d8 2018-03-11 stsp if (commit)
651 9d31a1d8 2018-03-11 stsp got_object_commit_close(commit);
653 9d31a1d8 2018-03-11 stsp got_object_close(obj);
654 9d31a1d8 2018-03-11 stsp free(commit_id);
655 9d31a1d8 2018-03-11 stsp if (new_fileindex_path)
656 9d31a1d8 2018-03-11 stsp unlink(new_fileindex_path);
657 9d31a1d8 2018-03-11 stsp if (findex)
658 9d31a1d8 2018-03-11 stsp fclose(findex);
659 9d31a1d8 2018-03-11 stsp free(new_fileindex_path);
660 9d31a1d8 2018-03-11 stsp free(fileindex_path);
661 9d31a1d8 2018-03-11 stsp got_fileindex_close(fileindex);
662 9d31a1d8 2018-03-11 stsp unlockerr = lock_worktree(worktree, LOCK_SH);
663 9d31a1d8 2018-03-11 stsp if (unlockerr && err == NULL)
664 9d31a1d8 2018-03-11 stsp err = unlockerr;
665 9d31a1d8 2018-03-11 stsp return err;