2 * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include <sys/limits.h>
19 #include <sys/queue.h>
37 #include "got_error.h"
38 #include "got_repository.h"
39 #include "got_reference.h"
40 #include "got_object.h"
42 #include "got_worktree.h"
43 #include "got_opentemp.h"
46 #include "got_lib_worktree.h"
47 #include "got_lib_sha1.h"
48 #include "got_lib_fileindex.h"
49 #include "got_lib_inflate.h"
50 #include "got_lib_delta.h"
51 #include "got_lib_object.h"
52 #include "got_lib_object_parse.h"
53 #include "got_lib_object_create.h"
54 #include "got_lib_object_idset.h"
55 #include "got_lib_diff.h"
58 #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
61 static const struct got_error *
62 create_meta_file(const char *path_got, const char *name, const char *content)
64 const struct got_error *err = NULL;
67 if (asprintf(&path, "%s/%s", path_got, name) == -1)
68 return got_error_from_errno("asprintf");
70 err = got_path_create_file(path, content);
75 static const struct got_error *
76 update_meta_file(const char *path_got, const char *name, const char *content)
78 const struct got_error *err = NULL;
83 if (asprintf(&path, "%s/%s", path_got, name) == -1) {
84 err = got_error_from_errno("asprintf");
89 err = got_opentemp_named(&tmppath, &tmpfile, path);
94 int len = fprintf(tmpfile, "%s\n", content);
95 if (len != strlen(content) + 1) {
96 err = got_error_from_errno2("fprintf", tmppath);
101 if (rename(tmppath, path) != 0) {
102 err = got_error_from_errno3("rename", tmppath, path);
108 if (fclose(tmpfile) != 0 && err == NULL)
109 err = got_error_from_errno2("fclose", tmppath);
114 static const struct got_error *
115 read_meta_file(char **content, const char *path_got, const char *name)
117 const struct got_error *err = NULL;
125 if (asprintf(&path, "%s/%s", path_got, name) == -1) {
126 err = got_error_from_errno("asprintf");
131 fd = open(path, O_RDONLY | O_NOFOLLOW);
134 err = got_error_path(path, GOT_ERR_WORKTREE_META);
136 err = got_error_from_errno2("open", path);
139 if (flock(fd, LOCK_SH | LOCK_NB) == -1) {
140 err = (errno == EWOULDBLOCK ? got_error(GOT_ERR_WORKTREE_BUSY)
141 : got_error_from_errno2("flock", path));
145 if (fstat(fd, &sb) != 0) {
146 err = got_error_from_errno2("fstat", path);
149 *content = calloc(1, sb.st_size);
150 if (*content == NULL) {
151 err = got_error_from_errno("calloc");
155 n = read(fd, *content, sb.st_size);
156 if (n != sb.st_size) {
157 err = (n == -1 ? got_error_from_errno2("read", path) :
158 got_error_path(path, GOT_ERR_WORKTREE_META));
161 if ((*content)[sb.st_size - 1] != '\n') {
162 err = got_error_path(path, GOT_ERR_WORKTREE_META);
165 (*content)[sb.st_size - 1] = '\0';
168 if (fd != -1 && close(fd) == -1 && err == NULL)
169 err = got_error_from_errno2("close", path_got);
178 static const struct got_error *
179 write_head_ref(const char *path_got, struct got_reference *head_ref)
181 const struct got_error *err = NULL;
184 if (got_ref_is_symbolic(head_ref)) {
185 refstr = got_ref_to_str(head_ref);
187 return got_error_from_errno("got_ref_to_str");
189 refstr = strdup(got_ref_get_name(head_ref));
191 return got_error_from_errno("strdup");
193 err = update_meta_file(path_got, GOT_WORKTREE_HEAD_REF, refstr);
198 const struct got_error *
199 got_worktree_init(const char *path, struct got_reference *head_ref,
200 const char *prefix, struct got_repository *repo)
202 const struct got_error *err = NULL;
203 struct got_object_id *commit_id = NULL;
205 uint32_t uuid_status;
207 char *path_got = NULL;
208 char *formatstr = NULL;
209 char *absprefix = NULL;
210 char *basestr = NULL;
211 char *uuidstr = NULL;
213 if (strcmp(path, got_repo_get_path(repo)) == 0) {
214 err = got_error(GOT_ERR_WORKTREE_REPO);
218 err = got_ref_resolve(&commit_id, repo, head_ref);
221 err = got_object_get_type(&obj_type, repo, commit_id);
224 if (obj_type != GOT_OBJ_TYPE_COMMIT)
225 return got_error(GOT_ERR_OBJ_TYPE);
227 if (!got_path_is_absolute(prefix)) {
228 if (asprintf(&absprefix, "/%s", prefix) == -1)
229 return got_error_from_errno("asprintf");
232 /* Create top-level directory (may already exist). */
233 if (mkdir(path, GOT_DEFAULT_DIR_MODE) == -1 && errno != EEXIST) {
234 err = got_error_from_errno2("mkdir", path);
238 /* Create .got directory (may already exist). */
239 if (asprintf(&path_got, "%s/%s", path, GOT_WORKTREE_GOT_DIR) == -1) {
240 err = got_error_from_errno("asprintf");
243 if (mkdir(path_got, GOT_DEFAULT_DIR_MODE) == -1 && errno != EEXIST) {
244 err = got_error_from_errno2("mkdir", path_got);
248 /* Create an empty lock file. */
249 err = create_meta_file(path_got, GOT_WORKTREE_LOCK, NULL);
253 /* Create an empty file index. */
254 err = create_meta_file(path_got, GOT_WORKTREE_FILE_INDEX, NULL);
258 /* Write the HEAD reference. */
259 err = write_head_ref(path_got, head_ref);
263 /* Record our base commit. */
264 err = got_object_id_str(&basestr, commit_id);
267 err = create_meta_file(path_got, GOT_WORKTREE_BASE_COMMIT, basestr);
271 /* Store path to repository. */
272 err = create_meta_file(path_got, GOT_WORKTREE_REPOSITORY,
273 got_repo_get_path(repo));
277 /* Store in-repository path prefix. */
278 err = create_meta_file(path_got, GOT_WORKTREE_PATH_PREFIX,
279 absprefix ? absprefix : prefix);
284 uuid_create(&uuid, &uuid_status);
285 if (uuid_status != uuid_s_ok) {
286 err = got_error_uuid(uuid_status);
289 uuid_to_string(&uuid, &uuidstr, &uuid_status);
290 if (uuid_status != uuid_s_ok) {
291 err = got_error_uuid(uuid_status);
294 err = create_meta_file(path_got, GOT_WORKTREE_UUID, uuidstr);
298 /* Stamp work tree with format file. */
299 if (asprintf(&formatstr, "%d", GOT_WORKTREE_FORMAT_VERSION) == -1) {
300 err = got_error_from_errno("asprintf");
303 err = create_meta_file(path_got, GOT_WORKTREE_FORMAT, formatstr);
317 static const struct got_error *
318 open_worktree(struct got_worktree **worktree, const char *path)
320 const struct got_error *err = NULL;
322 char *formatstr = NULL;
323 char *uuidstr = NULL;
324 char *path_lock = NULL;
325 char *base_commit_id_str = NULL;
326 int version, fd = -1;
328 struct got_repository *repo = NULL;
329 uint32_t uuid_status;
333 if (asprintf(&path_got, "%s/%s", path, GOT_WORKTREE_GOT_DIR) == -1) {
334 err = got_error_from_errno("asprintf");
339 if (asprintf(&path_lock, "%s/%s", path_got, GOT_WORKTREE_LOCK) == -1) {
340 err = got_error_from_errno("asprintf");
345 fd = open(path_lock, O_RDWR | O_EXLOCK | O_NONBLOCK);
347 err = (errno == EWOULDBLOCK ? got_error(GOT_ERR_WORKTREE_BUSY)
348 : got_error_from_errno2("open", path_lock));
352 err = read_meta_file(&formatstr, path_got, GOT_WORKTREE_FORMAT);
356 version = strtonum(formatstr, 1, INT_MAX, &errstr);
358 err = got_error_msg(GOT_ERR_WORKTREE_META,
359 "could not parse work tree format version number");
362 if (version != GOT_WORKTREE_FORMAT_VERSION) {
363 err = got_error(GOT_ERR_WORKTREE_VERS);
367 *worktree = calloc(1, sizeof(**worktree));
368 if (*worktree == NULL) {
369 err = got_error_from_errno("calloc");
372 (*worktree)->lockfd = -1;
374 (*worktree)->root_path = strdup(path);
375 if ((*worktree)->root_path == NULL) {
376 err = got_error_from_errno("strdup");
379 err = read_meta_file(&(*worktree)->repo_path, path_got,
380 GOT_WORKTREE_REPOSITORY);
384 err = read_meta_file(&(*worktree)->path_prefix, path_got,
385 GOT_WORKTREE_PATH_PREFIX);
389 err = read_meta_file(&base_commit_id_str, path_got,
390 GOT_WORKTREE_BASE_COMMIT);
394 err = read_meta_file(&uuidstr, path_got, GOT_WORKTREE_UUID);
397 uuid_from_string(uuidstr, &(*worktree)->uuid, &uuid_status);
398 if (uuid_status != uuid_s_ok) {
399 err = got_error_uuid(uuid_status);
403 err = got_repo_open(&repo, (*worktree)->repo_path);
407 err = got_object_resolve_id_str(&(*worktree)->base_commit_id, repo,
412 err = read_meta_file(&(*worktree)->head_ref_name, path_got,
413 GOT_WORKTREE_HEAD_REF);
416 got_repo_close(repo);
419 free(base_commit_id_str);
425 if (*worktree != NULL)
426 got_worktree_close(*worktree);
429 (*worktree)->lockfd = fd;
434 const struct got_error *
435 got_worktree_open(struct got_worktree **worktree, const char *path)
437 const struct got_error *err = NULL;
440 err = open_worktree(worktree, path);
441 if (err && !(err->code == GOT_ERR_ERRNO && errno == ENOENT))
445 path = dirname(path);
447 return got_error_from_errno2("dirname", path);
448 } while (!((path[0] == '.' || path[0] == '/') && path[1] == '\0'));
450 return got_error(GOT_ERR_NOT_WORKTREE);
453 const struct got_error *
454 got_worktree_close(struct got_worktree *worktree)
456 const struct got_error *err = NULL;
457 free(worktree->root_path);
458 free(worktree->repo_path);
459 free(worktree->path_prefix);
460 free(worktree->base_commit_id);
461 free(worktree->head_ref_name);
462 if (worktree->lockfd != -1)
463 if (close(worktree->lockfd) != 0)
464 err = got_error_from_errno2("close",
465 got_worktree_get_root_path(worktree));
471 got_worktree_get_root_path(struct got_worktree *worktree)
473 return worktree->root_path;
477 got_worktree_get_repo_path(struct got_worktree *worktree)
479 return worktree->repo_path;
483 got_worktree_get_path_prefix(struct got_worktree *worktree)
485 return worktree->path_prefix;
488 const struct got_error *
489 got_worktree_match_path_prefix(int *match, struct got_worktree *worktree,
490 const char *path_prefix)
492 char *absprefix = NULL;
494 if (!got_path_is_absolute(path_prefix)) {
495 if (asprintf(&absprefix, "/%s", path_prefix) == -1)
496 return got_error_from_errno("asprintf");
498 *match = (strcmp(absprefix ? absprefix : path_prefix,
499 worktree->path_prefix) == 0);
505 got_worktree_get_head_ref_name(struct got_worktree *worktree)
507 return worktree->head_ref_name;
510 const struct got_error *
511 got_worktree_set_head_ref(struct got_worktree *worktree,
512 struct got_reference *head_ref)
514 const struct got_error *err = NULL;
515 char *path_got = NULL, *head_ref_name = NULL;
517 if (asprintf(&path_got, "%s/%s", worktree->root_path,
518 GOT_WORKTREE_GOT_DIR) == -1) {
519 err = got_error_from_errno("asprintf");
524 head_ref_name = strdup(got_ref_get_name(head_ref));
525 if (head_ref_name == NULL) {
526 err = got_error_from_errno("strdup");
530 err = write_head_ref(path_got, head_ref);
534 free(worktree->head_ref_name);
535 worktree->head_ref_name = head_ref_name;
543 struct got_object_id *
544 got_worktree_get_base_commit_id(struct got_worktree *worktree)
546 return worktree->base_commit_id;
549 const struct got_error *
550 got_worktree_set_base_commit_id(struct got_worktree *worktree,
551 struct got_repository *repo, struct got_object_id *commit_id)
553 const struct got_error *err;
554 struct got_object *obj = NULL;
556 char *path_got = NULL;
558 if (asprintf(&path_got, "%s/%s", worktree->root_path,
559 GOT_WORKTREE_GOT_DIR) == -1) {
560 err = got_error_from_errno("asprintf");
565 err = got_object_open(&obj, repo, commit_id);
569 if (obj->type != GOT_OBJ_TYPE_COMMIT) {
570 err = got_error(GOT_ERR_OBJ_TYPE);
574 /* Record our base commit. */
575 err = got_object_id_str(&id_str, commit_id);
578 err = update_meta_file(path_got, GOT_WORKTREE_BASE_COMMIT, id_str);
582 free(worktree->base_commit_id);
583 worktree->base_commit_id = got_object_id_dup(commit_id);
584 if (worktree->base_commit_id == NULL) {
585 err = got_error_from_errno("got_object_id_dup");
590 got_object_close(obj);
596 static const struct got_error *
597 lock_worktree(struct got_worktree *worktree, int operation)
599 if (flock(worktree->lockfd, operation | LOCK_NB) == -1)
600 return (errno == EWOULDBLOCK ? got_error(GOT_ERR_WORKTREE_BUSY)
601 : got_error_from_errno2("flock",
602 got_worktree_get_root_path(worktree)));
606 static const struct got_error *
607 add_dir_on_disk(struct got_worktree *worktree, const char *path)
609 const struct got_error *err = NULL;
612 if (asprintf(&abspath, "%s/%s", worktree->root_path, path) == -1)
613 return got_error_from_errno("asprintf");
615 err = got_path_mkdir(abspath);
616 if (err && err->code == GOT_ERR_ERRNO && errno == EEXIST) {
619 if (lstat(abspath, &sb) == -1) {
620 err = got_error_from_errno2("lstat", abspath);
621 } else if (!S_ISDIR(sb.st_mode)) {
622 /* TODO directory is obstructed; do something */
623 err = got_error(GOT_ERR_FILE_OBSTRUCTED);
630 static const struct got_error *
631 check_file_contents_equal(int *same, FILE *f1, FILE *f2)
633 const struct got_error *err = NULL;
636 size_t flen1 = 0, flen2 = 0;
641 flen1 = fread(fbuf1, 1, sizeof(fbuf1), f1);
642 if (flen1 == 0 && ferror(f1)) {
643 err = got_error_from_errno("fread");
646 flen2 = fread(fbuf2, 1, sizeof(fbuf2), f2);
647 if (flen2 == 0 && ferror(f2)) {
648 err = got_error_from_errno("fread");
655 } else if (flen2 == 0) {
659 } else if (flen1 == flen2) {
660 if (memcmp(fbuf1, fbuf2, flen2) != 0) {
673 static const struct got_error *
674 check_files_equal(int *same, const char *f1_path, const char *f2_path)
676 const struct got_error *err = NULL;
679 FILE *f1 = NULL, *f2 = NULL;
683 if (lstat(f1_path, &sb) != 0) {
684 err = got_error_from_errno2("lstat", f1_path);
689 if (lstat(f2_path, &sb) != 0) {
690 err = got_error_from_errno2("lstat", f2_path);
695 if (size1 != size2) {
700 f1 = fopen(f1_path, "r");
702 return got_error_from_errno2("open", f1_path);
704 f2 = fopen(f2_path, "r");
706 err = got_error_from_errno2("open", f2_path);
710 err = check_file_contents_equal(same, f1, f2);
712 if (f1 && fclose(f1) != 0 && err == NULL)
713 err = got_error_from_errno("fclose");
714 if (f2 && fclose(f2) != 0 && err == NULL)
715 err = got_error_from_errno("fclose");
721 * Perform a 3-way merge where blob_orig acts as the common ancestor,
722 * blob_deriv acts as the first derived version, and the file on disk
723 * acts as the second derived version.
725 static const struct got_error *
726 merge_blob(int *local_changes_subsumed, struct got_worktree *worktree,
727 struct got_blob_object *blob_orig, const char *ondisk_path,
728 const char *path, uint16_t st_mode, struct got_blob_object *blob_deriv,
729 struct got_object_id *deriv_base_commit_id,
730 struct got_repository *repo, got_worktree_checkout_cb progress_cb,
733 const struct got_error *err = NULL;
735 FILE *f_deriv = NULL, *f_orig = NULL;
736 char *blob_deriv_path = NULL, *blob_orig_path = NULL;
737 char *merged_path = NULL, *base_path = NULL;
739 char *label_deriv = NULL;
743 *local_changes_subsumed = 0;
745 parent = dirname(ondisk_path);
747 return got_error_from_errno2("dirname", ondisk_path);
749 if (asprintf(&base_path, "%s/got-merged", parent) == -1)
750 return got_error_from_errno("asprintf");
752 err = got_opentemp_named_fd(&merged_path, &merged_fd, base_path);
757 if (asprintf(&base_path, "%s/got-merge-blob-deriv", parent) == -1) {
758 err = got_error_from_errno("asprintf");
763 err = got_opentemp_named(&blob_deriv_path, &f_deriv, base_path);
766 err = got_object_blob_dump_to_file(NULL, NULL, NULL, f_deriv,
772 if (asprintf(&base_path, "%s/got-merge-blob-orig", parent) == -1) {
773 err = got_error_from_errno("asprintf");
778 err = got_opentemp_named(&blob_orig_path, &f_orig, base_path);
782 err = got_object_blob_dump_to_file(NULL, NULL, NULL, f_orig,
788 * If the file has no blob, this is an "add vs add" conflict,
789 * and we simply use an empty ancestor file to make both files
790 * appear in the merged result in their entirety.
794 err = got_object_id_str(&id_str, deriv_base_commit_id);
797 if (asprintf(&label_deriv, "commit %s", id_str) == -1) {
798 err = got_error_from_errno("asprintf");
802 err = got_merge_diff3(&overlapcnt, merged_fd, blob_deriv_path,
803 blob_orig_path, ondisk_path, label_deriv, path);
807 err = (*progress_cb)(progress_arg,
808 overlapcnt > 0 ? GOT_STATUS_CONFLICT : GOT_STATUS_MERGE, path);
812 if (fsync(merged_fd) != 0) {
813 err = got_error_from_errno("fsync");
817 /* Check if a clean merge has subsumed all local changes. */
818 if (overlapcnt == 0) {
819 err = check_files_equal(local_changes_subsumed, blob_deriv_path,
825 if (chmod(merged_path, st_mode) != 0) {
826 err = got_error_from_errno2("chmod", merged_path);
830 if (rename(merged_path, ondisk_path) != 0) {
831 err = got_error_from_errno3("rename", merged_path,
838 if (merged_fd != -1 && close(merged_fd) != 0 && err == NULL)
839 err = got_error_from_errno("close");
840 if (f_deriv && fclose(f_deriv) != 0 && err == NULL)
841 err = got_error_from_errno("fclose");
842 if (f_orig && fclose(f_orig) != 0 && err == NULL)
843 err = got_error_from_errno("fclose");
846 if (blob_deriv_path) {
847 unlink(blob_deriv_path);
848 free(blob_deriv_path);
850 if (blob_orig_path) {
851 unlink(blob_orig_path);
852 free(blob_orig_path);
859 static const struct got_error *
860 update_blob_fileindex_entry(struct got_worktree *worktree,
861 struct got_fileindex *fileindex, struct got_fileindex_entry *ie,
862 const char *ondisk_path, const char *path, struct got_blob_object *blob,
863 int update_timestamps)
865 const struct got_error *err = NULL;
868 ie = got_fileindex_entry_get(fileindex, path);
870 err = got_fileindex_entry_update(ie, ondisk_path,
871 blob->id.sha1, worktree->base_commit_id->sha1,
874 struct got_fileindex_entry *new_ie;
875 err = got_fileindex_entry_alloc(&new_ie, ondisk_path,
876 path, blob->id.sha1, worktree->base_commit_id->sha1);
878 err = got_fileindex_entry_add(fileindex, new_ie);
883 static const struct got_error *
884 install_blob(struct got_worktree *worktree, const char *ondisk_path,
885 const char *path, uint16_t te_mode, uint16_t st_mode,
886 struct got_blob_object *blob, int restoring_missing_file,
887 int reverting_versioned_file, struct got_repository *repo,
888 got_worktree_checkout_cb progress_cb, void *progress_arg)
890 const struct got_error *err = NULL;
894 char *tmppath = NULL;
896 fd = open(ondisk_path, O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW,
897 GOT_DEFAULT_FILE_MODE);
899 if (errno == ENOENT) {
900 char *parent = dirname(path);
902 return got_error_from_errno2("dirname", path);
903 err = add_dir_on_disk(worktree, parent);
906 fd = open(ondisk_path,
907 O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW,
908 GOT_DEFAULT_FILE_MODE);
910 return got_error_from_errno2("open",
912 } else if (errno == EEXIST) {
913 if (!S_ISREG(st_mode)) {
914 /* TODO file is obstructed; do something */
915 err = got_error(GOT_ERR_FILE_OBSTRUCTED);
918 err = got_opentemp_named_fd(&tmppath, &fd,
925 return got_error_from_errno2("open", ondisk_path);
928 if (restoring_missing_file)
929 err = (*progress_cb)(progress_arg, GOT_STATUS_MISSING, path);
930 else if (reverting_versioned_file)
931 err = (*progress_cb)(progress_arg, GOT_STATUS_REVERT, path);
933 err = (*progress_cb)(progress_arg,
934 update ? GOT_STATUS_UPDATE : GOT_STATUS_ADD, path);
938 hdrlen = got_object_blob_get_hdrlen(blob);
940 const uint8_t *buf = got_object_blob_get_read_buf(blob);
941 err = got_object_blob_read_block(&len, blob);
945 /* Skip blob object header first time around. */
946 ssize_t outlen = write(fd, buf + hdrlen, len - hdrlen);
948 err = got_error_from_errno("write");
950 } else if (outlen != len - hdrlen) {
951 err = got_error(GOT_ERR_IO);
958 if (fsync(fd) != 0) {
959 err = got_error_from_errno("fsync");
964 if (rename(tmppath, ondisk_path) != 0) {
965 err = got_error_from_errno3("rename", tmppath,
972 if (te_mode & S_IXUSR) {
973 if (chmod(ondisk_path, st_mode | S_IXUSR) == -1) {
974 err = got_error_from_errno2("chmod", ondisk_path);
978 if (chmod(ondisk_path, st_mode & ~S_IXUSR) == -1) {
979 err = got_error_from_errno2("chmod", ondisk_path);
985 if (fd != -1 && close(fd) != 0 && err == NULL)
986 err = got_error_from_errno("close");
991 /* Upgrade STATUS_MODIFY to STATUS_CONFLICT if a conflict marker is found. */
992 static const struct got_error *
993 get_modified_file_content_status(unsigned char *status, FILE *f)
995 const struct got_error *err = NULL;
996 const char *markers[3] = {
997 GOT_DIFF_CONFLICT_MARKER_BEGIN,
998 GOT_DIFF_CONFLICT_MARKER_SEP,
999 GOT_DIFF_CONFLICT_MARKER_END
1004 const char delim[3] = {'\0', '\0', '\0'};
1006 while (*status == GOT_STATUS_MODIFY) {
1007 line = fparseln(f, &len, NULL, delim, 0);
1011 err = got_ferror(f, GOT_ERR_IO);
1015 if (strncmp(line, markers[i], strlen(markers[i])) == 0) {
1016 if (strcmp(markers[i], GOT_DIFF_CONFLICT_MARKER_END)
1018 *status = GOT_STATUS_CONFLICT;
1028 stat_info_differs(struct got_fileindex_entry *ie, struct stat *sb)
1030 return !(ie->ctime_sec == sb->st_ctime &&
1031 ie->ctime_nsec == sb->st_ctimensec &&
1032 ie->mtime_sec == sb->st_mtime &&
1033 ie->mtime_nsec == sb->st_mtimensec &&
1034 ie->size == (sb->st_size & 0xffffffff));
1037 static const struct got_error *
1038 get_file_status(unsigned char *status, struct stat *sb,
1039 struct got_fileindex_entry *ie, const char *abspath,
1040 struct got_repository *repo)
1042 const struct got_error *err = NULL;
1043 struct got_object_id id;
1047 struct got_blob_object *blob = NULL;
1050 *status = GOT_STATUS_NO_CHANGE;
1052 if (lstat(abspath, sb) == -1) {
1053 if (errno == ENOENT) {
1054 if (got_fileindex_entry_has_file_on_disk(ie))
1055 *status = GOT_STATUS_MISSING;
1057 *status = GOT_STATUS_DELETE;
1060 return got_error_from_errno2("lstat", abspath);
1063 if (!S_ISREG(sb->st_mode)) {
1064 *status = GOT_STATUS_OBSTRUCTED;
1068 if (!got_fileindex_entry_has_file_on_disk(ie)) {
1069 *status = GOT_STATUS_DELETE;
1071 } else if (!got_fileindex_entry_has_blob(ie)) {
1072 *status = GOT_STATUS_ADD;
1076 if (!stat_info_differs(ie, sb))
1079 memcpy(id.sha1, ie->blob_sha1, sizeof(id.sha1));
1080 err = got_object_open_as_blob(&blob, repo, &id, sizeof(fbuf));
1084 f = fopen(abspath, "r");
1086 err = got_error_from_errno2("fopen", abspath);
1089 hdrlen = got_object_blob_get_hdrlen(blob);
1091 const uint8_t *bbuf = got_object_blob_get_read_buf(blob);
1092 err = got_object_blob_read_block(&blen, blob);
1095 /* Skip length of blob object header first time around. */
1096 flen = fread(fbuf, 1, sizeof(fbuf) - hdrlen, f);
1097 if (flen == 0 && ferror(f)) {
1098 err = got_error_from_errno("fread");
1103 *status = GOT_STATUS_MODIFY;
1105 } else if (flen == 0) {
1107 *status = GOT_STATUS_MODIFY;
1109 } else if (blen - hdrlen == flen) {
1110 /* Skip blob object header first time around. */
1111 if (memcmp(bbuf + hdrlen, fbuf, flen) != 0) {
1112 *status = GOT_STATUS_MODIFY;
1116 *status = GOT_STATUS_MODIFY;
1122 if (*status == GOT_STATUS_MODIFY) {
1124 err = get_modified_file_content_status(status, f);
1128 got_object_blob_close(blob);
1135 * Update timestamps in the file index if a file is unmodified and
1136 * we had to run a full content comparison to find out.
1138 static const struct got_error *
1139 sync_timestamps(char *ondisk_path, unsigned char status,
1140 struct got_fileindex_entry *ie, struct stat *sb)
1142 if (status == GOT_STATUS_NO_CHANGE && stat_info_differs(ie, sb))
1143 return got_fileindex_entry_update(ie, ondisk_path,
1144 ie->blob_sha1, ie->commit_sha1, 1);
1149 static const struct got_error *
1150 update_blob(struct got_worktree *worktree,
1151 struct got_fileindex *fileindex, struct got_fileindex_entry *ie,
1152 struct got_tree_entry *te, const char *path,
1153 struct got_repository *repo, got_worktree_checkout_cb progress_cb,
1156 const struct got_error *err = NULL;
1157 struct got_blob_object *blob = NULL;
1159 unsigned char status = GOT_STATUS_NO_CHANGE;
1162 if (asprintf(&ondisk_path, "%s/%s", worktree->root_path, path) == -1)
1163 return got_error_from_errno("asprintf");
1166 err = get_file_status(&status, &sb, ie, ondisk_path, repo);
1169 if (status == GOT_STATUS_MISSING || status == GOT_STATUS_DELETE)
1170 sb.st_mode = got_fileindex_perms_to_st(ie);
1172 sb.st_mode = GOT_DEFAULT_FILE_MODE;
1174 if (status == GOT_STATUS_OBSTRUCTED) {
1175 err = (*progress_cb)(progress_arg, status, path);
1179 if (ie && status != GOT_STATUS_MISSING) {
1180 if (got_fileindex_entry_has_commit(ie) &&
1181 memcmp(ie->commit_sha1, worktree->base_commit_id->sha1,
1182 SHA1_DIGEST_LENGTH) == 0) {
1183 err = sync_timestamps(ondisk_path, status, ie, &sb);
1186 err = (*progress_cb)(progress_arg, GOT_STATUS_EXISTS,
1190 if (got_fileindex_entry_has_blob(ie) &&
1191 memcmp(ie->blob_sha1, te->id->sha1,
1192 SHA1_DIGEST_LENGTH) == 0) {
1193 err = sync_timestamps(ondisk_path, status, ie, &sb);
1198 err = got_object_open_as_blob(&blob, repo, te->id, 8192);
1202 if (status == GOT_STATUS_MODIFY || status == GOT_STATUS_ADD) {
1203 int update_timestamps;
1204 struct got_blob_object *blob2 = NULL;
1205 if (got_fileindex_entry_has_blob(ie)) {
1206 struct got_object_id id2;
1207 memcpy(id2.sha1, ie->blob_sha1, SHA1_DIGEST_LENGTH);
1208 err = got_object_open_as_blob(&blob2, repo, &id2, 8192);
1212 err = merge_blob(&update_timestamps, worktree, blob2,
1213 ondisk_path, path, sb.st_mode, blob,
1214 worktree->base_commit_id, repo,
1215 progress_cb, progress_arg);
1217 got_object_blob_close(blob2);
1219 * Do not update timestamps of files with local changes.
1220 * Otherwise, a future status walk would treat them as
1221 * unmodified files again.
1223 err = got_fileindex_entry_update(ie, ondisk_path,
1224 blob->id.sha1, worktree->base_commit_id->sha1,
1226 } else if (status == GOT_STATUS_DELETE) {
1227 err = (*progress_cb)(progress_arg, GOT_STATUS_MERGE, path);
1230 err = update_blob_fileindex_entry(worktree, fileindex, ie,
1231 ondisk_path, path, blob, 0);
1235 err = install_blob(worktree, ondisk_path, path, te->mode,
1236 sb.st_mode, blob, status == GOT_STATUS_MISSING, 0,
1237 repo, progress_cb, progress_arg);
1240 err = update_blob_fileindex_entry(worktree, fileindex, ie,
1241 ondisk_path, path, blob, 1);
1245 got_object_blob_close(blob);
1251 static const struct got_error *
1252 remove_ondisk_file(const char *root_path, const char *path)
1254 const struct got_error *err = NULL;
1255 char *ondisk_path = NULL;
1257 if (asprintf(&ondisk_path, "%s/%s", root_path, path) == -1)
1258 return got_error_from_errno("asprintf");
1260 if (unlink(ondisk_path) == -1) {
1261 if (errno != ENOENT)
1262 err = got_error_from_errno2("unlink", ondisk_path);
1264 char *parent = dirname(ondisk_path);
1265 while (parent && strcmp(parent, root_path) != 0) {
1266 if (rmdir(parent) == -1) {
1267 if (errno != ENOTEMPTY)
1268 err = got_error_from_errno2("rmdir",
1272 parent = dirname(parent);
1279 static const struct got_error *
1280 delete_blob(struct got_worktree *worktree, struct got_fileindex *fileindex,
1281 struct got_fileindex_entry *ie, struct got_repository *repo,
1282 got_worktree_checkout_cb progress_cb, void *progress_arg)
1284 const struct got_error *err = NULL;
1285 unsigned char status;
1289 if (asprintf(&ondisk_path, "%s/%s", worktree->root_path, ie->path)
1291 return got_error_from_errno("asprintf");
1293 err = get_file_status(&status, &sb, ie, ondisk_path, repo);
1297 if (status == GOT_STATUS_MODIFY || status == GOT_STATUS_CONFLICT ||
1298 status == GOT_STATUS_ADD) {
1299 err = (*progress_cb)(progress_arg, GOT_STATUS_MERGE, ie->path);
1303 * Preserve the working file and change the deleted blob's
1304 * entry into a schedule-add entry.
1306 err = got_fileindex_entry_update(ie, ondisk_path, NULL, NULL,
1311 err = (*progress_cb)(progress_arg, GOT_STATUS_DELETE, ie->path);
1314 if (status == GOT_STATUS_NO_CHANGE) {
1315 err = remove_ondisk_file(worktree->root_path, ie->path);
1319 got_fileindex_entry_remove(fileindex, ie);
1325 struct diff_cb_arg {
1326 struct got_fileindex *fileindex;
1327 struct got_worktree *worktree;
1328 struct got_repository *repo;
1329 got_worktree_checkout_cb progress_cb;
1331 got_worktree_cancel_cb cancel_cb;
1335 static const struct got_error *
1336 diff_old_new(void *arg, struct got_fileindex_entry *ie,
1337 struct got_tree_entry *te, const char *parent_path)
1339 struct diff_cb_arg *a = arg;
1341 if (a->cancel_cb && a->cancel_cb(a->cancel_arg))
1342 return got_error(GOT_ERR_CANCELLED);
1344 return update_blob(a->worktree, a->fileindex, ie, te,
1345 ie->path, a->repo, a->progress_cb, a->progress_arg);
1348 static const struct got_error *
1349 diff_old(void *arg, struct got_fileindex_entry *ie, const char *parent_path)
1351 struct diff_cb_arg *a = arg;
1353 if (a->cancel_cb && a->cancel_cb(a->cancel_arg))
1354 return got_error(GOT_ERR_CANCELLED);
1356 return delete_blob(a->worktree, a->fileindex, ie,
1357 a->repo, a->progress_cb, a->progress_arg);
1360 static const struct got_error *
1361 diff_new(void *arg, struct got_tree_entry *te, const char *parent_path)
1363 struct diff_cb_arg *a = arg;
1364 const struct got_error *err;
1367 if (a->cancel_cb && a->cancel_cb(a->cancel_arg))
1368 return got_error(GOT_ERR_CANCELLED);
1370 if (asprintf(&path, "%s%s%s", parent_path,
1371 parent_path[0] ? "/" : "", te->name)
1373 return got_error_from_errno("asprintf");
1375 if (S_ISDIR(te->mode))
1376 err = add_dir_on_disk(a->worktree, path);
1378 err = update_blob(a->worktree, a->fileindex, NULL, te, path,
1379 a->repo, a->progress_cb, a->progress_arg);
1385 static const struct got_error *
1386 get_ref_name(char **refname, struct got_worktree *worktree, const char *prefix)
1388 const struct got_error *err = NULL;
1389 char *uuidstr = NULL;
1390 uint32_t uuid_status;
1394 uuid_to_string(&worktree->uuid, &uuidstr, &uuid_status);
1395 if (uuid_status != uuid_s_ok)
1396 return got_error_uuid(uuid_status);
1398 if (asprintf(refname, "%s-%s", prefix, uuidstr)
1400 err = got_error_from_errno("asprintf");
1407 const struct got_error *
1408 got_worktree_get_base_ref_name(char **refname, struct got_worktree *worktree)
1410 return get_ref_name(refname, worktree, GOT_WORKTREE_BASE_REF_PREFIX);
1413 static const struct got_error *
1414 get_rebase_tmp_ref_name(char **refname, struct got_worktree *worktree)
1416 return get_ref_name(refname, worktree,
1417 GOT_WORKTREE_REBASE_TMP_REF_PREFIX);
1420 static const struct got_error *
1421 get_newbase_symref_name(char **refname, struct got_worktree *worktree)
1423 return get_ref_name(refname, worktree, GOT_WORKTREE_NEWBASE_REF_PREFIX);
1426 static const struct got_error *
1427 get_rebase_branch_symref_name(char **refname, struct got_worktree *worktree)
1429 return get_ref_name(refname, worktree,
1430 GOT_WORKTREE_REBASE_BRANCH_REF_PREFIX);
1433 static const struct got_error *
1434 get_rebase_commit_ref_name(char **refname, struct got_worktree *worktree)
1436 return get_ref_name(refname, worktree,
1437 GOT_WORKTREE_REBASE_COMMIT_REF_PREFIX);
1440 static const struct got_error *
1441 get_histedit_tmp_ref_name(char **refname, struct got_worktree *worktree)
1443 return get_ref_name(refname, worktree,
1444 GOT_WORKTREE_HISTEDIT_TMP_REF_PREFIX);
1447 static const struct got_error *
1448 get_histedit_branch_symref_name(char **refname, struct got_worktree *worktree)
1450 return get_ref_name(refname, worktree,
1451 GOT_WORKTREE_HISTEDIT_BRANCH_REF_PREFIX);
1454 static const struct got_error *
1455 get_histedit_base_commit_ref_name(char **refname, struct got_worktree *worktree)
1457 return get_ref_name(refname, worktree,
1458 GOT_WORKTREE_HISTEDIT_BASE_COMMIT_REF_PREFIX);
1461 static const struct got_error *
1462 get_histedit_commit_ref_name(char **refname, struct got_worktree *worktree)
1464 return get_ref_name(refname, worktree,
1465 GOT_WORKTREE_HISTEDIT_COMMIT_REF_PREFIX);
1468 const struct got_error *
1469 got_worktree_get_histedit_script_path(char **path,
1470 struct got_worktree *worktree)
1472 if (asprintf(path, "%s/%s/%s", worktree->root_path,
1473 GOT_WORKTREE_GOT_DIR, GOT_WORKTREE_HISTEDIT_SCRIPT) == -1) {
1475 return got_error_from_errno("asprintf");
1481 * Prevent Git's garbage collector from deleting our base commit by
1482 * setting a reference to our base commit's ID.
1484 static const struct got_error *
1485 ref_base_commit(struct got_worktree *worktree, struct got_repository *repo)
1487 const struct got_error *err = NULL;
1488 struct got_reference *ref = NULL;
1491 err = got_worktree_get_base_ref_name(&refname, worktree);
1495 err = got_ref_alloc(&ref, refname, worktree->base_commit_id);
1499 err = got_ref_write(ref, repo);
1507 static const struct got_error *
1508 get_fileindex_path(char **fileindex_path, struct got_worktree *worktree)
1510 const struct got_error *err = NULL;
1512 if (asprintf(fileindex_path, "%s/%s/%s", worktree->root_path,
1513 GOT_WORKTREE_GOT_DIR, GOT_WORKTREE_FILE_INDEX) == -1) {
1514 err = got_error_from_errno("asprintf");
1515 *fileindex_path = NULL;
1521 static const struct got_error *
1522 open_fileindex(struct got_fileindex **fileindex, char **fileindex_path,
1523 struct got_worktree *worktree)
1525 const struct got_error *err = NULL;
1528 *fileindex_path = NULL;
1529 *fileindex = got_fileindex_alloc();
1530 if (*fileindex == NULL)
1531 return got_error_from_errno("got_fileindex_alloc");
1533 err = get_fileindex_path(fileindex_path, worktree);
1537 index = fopen(*fileindex_path, "rb");
1538 if (index == NULL) {
1539 if (errno != ENOENT)
1540 err = got_error_from_errno2("fopen", *fileindex_path);
1542 err = got_fileindex_read(*fileindex, index);
1543 if (fclose(index) != 0 && err == NULL)
1544 err = got_error_from_errno("fclose");
1548 free(*fileindex_path);
1549 *fileindex_path = NULL;
1550 got_fileindex_free(*fileindex);
1556 struct bump_base_commit_id_arg {
1557 struct got_object_id *base_commit_id;
1560 const char *entry_name;
1561 got_worktree_checkout_cb progress_cb;
1565 /* Bump base commit ID of all files within an updated part of the work tree. */
1566 static const struct got_error *
1567 bump_base_commit_id(void *arg, struct got_fileindex_entry *ie)
1569 const struct got_error *err;
1570 struct bump_base_commit_id_arg *a = arg;
1572 if (a->entry_name) {
1573 if (strcmp(ie->path, a->path) != 0)
1575 } else if (!got_path_is_child(ie->path, a->path, a->path_len))
1578 if (memcmp(ie->commit_sha1, a->base_commit_id->sha1,
1579 SHA1_DIGEST_LENGTH) == 0)
1582 if (a->progress_cb) {
1583 err = (*a->progress_cb)(a->progress_arg, GOT_STATUS_BUMP_BASE,
1588 memcpy(ie->commit_sha1, a->base_commit_id->sha1, SHA1_DIGEST_LENGTH);
1592 static const struct got_error *
1593 sync_fileindex(struct got_fileindex *fileindex, const char *fileindex_path)
1595 const struct got_error *err = NULL;
1596 char *new_fileindex_path = NULL;
1597 FILE *new_index = NULL;
1599 err = got_opentemp_named(&new_fileindex_path, &new_index,
1604 err = got_fileindex_write(fileindex, new_index);
1608 if (rename(new_fileindex_path, fileindex_path) != 0) {
1609 err = got_error_from_errno3("rename", new_fileindex_path,
1611 unlink(new_fileindex_path);
1616 free(new_fileindex_path);
1620 static const struct got_error *
1621 find_tree_entry_for_checkout(int *entry_type, char **tree_relpath,
1622 struct got_object_id **tree_id, const char *wt_relpath,
1623 struct got_worktree *worktree, struct got_repository *repo)
1625 const struct got_error *err = NULL;
1626 struct got_object_id *id = NULL;
1627 char *in_repo_path = NULL;
1628 int is_root_wt = got_path_is_root_dir(worktree->path_prefix);
1630 *entry_type = GOT_OBJ_TYPE_ANY;
1631 *tree_relpath = NULL;
1634 if (wt_relpath[0] == '\0') {
1635 /* Check out all files within the work tree. */
1636 *entry_type = GOT_OBJ_TYPE_TREE;
1637 *tree_relpath = strdup("");
1638 if (*tree_relpath == NULL) {
1639 err = got_error_from_errno("strdup");
1642 err = got_object_id_by_path(tree_id, repo,
1643 worktree->base_commit_id, worktree->path_prefix);
1649 /* Check out a subset of files in the work tree. */
1651 if (asprintf(&in_repo_path, "%s%s%s", worktree->path_prefix,
1652 is_root_wt ? "" : "/", wt_relpath) == -1) {
1653 err = got_error_from_errno("asprintf");
1657 err = got_object_id_by_path(&id, repo, worktree->base_commit_id,
1663 in_repo_path = NULL;
1665 err = got_object_get_type(entry_type, repo, id);
1669 if (*entry_type == GOT_OBJ_TYPE_BLOB) {
1670 /* Check out a single file. */
1671 if (strchr(wt_relpath, '/') == NULL) {
1672 /* Check out a single file in work tree's root dir. */
1673 in_repo_path = strdup(worktree->path_prefix);
1674 if (in_repo_path == NULL) {
1675 err = got_error_from_errno("strdup");
1678 *tree_relpath = strdup("");
1679 if (*tree_relpath == NULL) {
1680 err = got_error_from_errno("strdup");
1684 /* Check out a single file in a subdirectory. */
1685 err = got_path_dirname(tree_relpath, wt_relpath);
1688 if (asprintf(&in_repo_path, "%s%s%s",
1689 worktree->path_prefix, is_root_wt ? "" : "/",
1690 *tree_relpath) == -1) {
1691 err = got_error_from_errno("asprintf");
1695 err = got_object_id_by_path(tree_id, repo,
1696 worktree->base_commit_id, in_repo_path);
1698 /* Check out all files within a subdirectory. */
1699 *tree_id = got_object_id_dup(id);
1700 if (*tree_id == NULL) {
1701 err = got_error_from_errno("got_object_id_dup");
1704 *tree_relpath = strdup(wt_relpath);
1705 if (*tree_relpath == NULL) {
1706 err = got_error_from_errno("strdup");
1714 *entry_type = GOT_OBJ_TYPE_ANY;
1715 free(*tree_relpath);
1716 *tree_relpath = NULL;
1723 static const struct got_error *
1724 checkout_files(struct got_worktree *worktree, struct got_fileindex *fileindex,
1725 const char *relpath, struct got_object_id *tree_id, const char *entry_name,
1726 struct got_repository *repo, got_worktree_checkout_cb progress_cb,
1727 void *progress_arg, got_worktree_cancel_cb cancel_cb, void *cancel_arg)
1729 const struct got_error *err = NULL;
1730 struct got_commit_object *commit = NULL;
1731 struct got_tree_object *tree = NULL;
1732 struct got_fileindex_diff_tree_cb diff_cb;
1733 struct diff_cb_arg arg;
1735 err = ref_base_commit(worktree, repo);
1739 err = got_object_open_as_commit(&commit, repo,
1740 worktree->base_commit_id);
1744 err = got_object_open_as_tree(&tree, repo, tree_id);
1749 got_object_tree_find_entry(tree, entry_name) == NULL) {
1750 err = got_error(GOT_ERR_NO_TREE_ENTRY);
1754 diff_cb.diff_old_new = diff_old_new;
1755 diff_cb.diff_old = diff_old;
1756 diff_cb.diff_new = diff_new;
1757 arg.fileindex = fileindex;
1758 arg.worktree = worktree;
1760 arg.progress_cb = progress_cb;
1761 arg.progress_arg = progress_arg;
1762 arg.cancel_cb = cancel_cb;
1763 arg.cancel_arg = cancel_arg;
1764 err = got_fileindex_diff_tree(fileindex, tree, relpath,
1765 entry_name, repo, &diff_cb, &arg);
1768 got_object_tree_close(tree);
1770 got_object_commit_close(commit);
1774 const struct got_error *
1775 got_worktree_checkout_files(struct got_worktree *worktree,
1776 struct got_pathlist_head *paths, struct got_repository *repo,
1777 got_worktree_checkout_cb progress_cb, void *progress_arg,
1778 got_worktree_cancel_cb cancel_cb, void *cancel_arg)
1780 const struct got_error *err = NULL, *sync_err, *unlockerr;
1781 struct got_commit_object *commit = NULL;
1782 struct got_tree_object *tree = NULL;
1783 struct got_fileindex *fileindex = NULL;
1784 char *fileindex_path = NULL;
1785 struct got_pathlist_entry *pe;
1786 struct tree_path_data {
1787 SIMPLEQ_ENTRY(tree_path_data) entry;
1788 struct got_object_id *tree_id;
1793 SIMPLEQ_HEAD(tree_paths, tree_path_data) tree_paths;
1795 SIMPLEQ_INIT(&tree_paths);
1797 err = lock_worktree(worktree, LOCK_EX);
1801 /* Map all specified paths to in-repository trees. */
1802 TAILQ_FOREACH(pe, paths, entry) {
1803 tpd = malloc(sizeof(*tpd));
1805 err = got_error_from_errno("malloc");
1809 err = find_tree_entry_for_checkout(&tpd->entry_type,
1810 &tpd->relpath, &tpd->tree_id, pe->path, worktree, repo);
1816 if (tpd->entry_type == GOT_OBJ_TYPE_BLOB) {
1817 err = got_path_basename(&tpd->entry_name, pe->path);
1825 tpd->entry_name = NULL;
1827 SIMPLEQ_INSERT_TAIL(&tree_paths, tpd, entry);
1831 * Read the file index.
1832 * Checking out files is supposed to be an idempotent operation.
1833 * If the on-disk file index is incomplete we will try to complete it.
1835 err = open_fileindex(&fileindex, &fileindex_path, worktree);
1839 tpd = SIMPLEQ_FIRST(&tree_paths);
1840 TAILQ_FOREACH(pe, paths, entry) {
1841 struct bump_base_commit_id_arg bbc_arg;
1843 err = checkout_files(worktree, fileindex, tpd->relpath,
1844 tpd->tree_id, tpd->entry_name, repo,
1845 progress_cb, progress_arg, cancel_cb, cancel_arg);
1849 bbc_arg.base_commit_id = worktree->base_commit_id;
1850 bbc_arg.entry_name = tpd->entry_name;
1851 bbc_arg.path = pe->path;
1852 bbc_arg.path_len = strlen(pe->path);
1853 bbc_arg.progress_cb = progress_cb;
1854 bbc_arg.progress_arg = progress_arg;
1855 err = got_fileindex_for_each_entry_safe(fileindex,
1856 bump_base_commit_id, &bbc_arg);
1860 tpd = SIMPLEQ_NEXT(tpd, entry);
1862 sync_err = sync_fileindex(fileindex, fileindex_path);
1863 if (sync_err && err == NULL)
1866 free(fileindex_path);
1868 got_object_tree_close(tree);
1870 got_object_commit_close(commit);
1872 got_fileindex_free(fileindex);
1873 while (!SIMPLEQ_EMPTY(&tree_paths)) {
1874 tpd = SIMPLEQ_FIRST(&tree_paths);
1875 SIMPLEQ_REMOVE_HEAD(&tree_paths, entry);
1880 unlockerr = lock_worktree(worktree, LOCK_SH);
1881 if (unlockerr && err == NULL)
1886 struct merge_file_cb_arg {
1887 struct got_worktree *worktree;
1888 struct got_fileindex *fileindex;
1889 got_worktree_checkout_cb progress_cb;
1891 got_worktree_cancel_cb cancel_cb;
1893 struct got_object_id *commit_id2;
1896 static const struct got_error *
1897 merge_file_cb(void *arg, struct got_blob_object *blob1,
1898 struct got_blob_object *blob2, struct got_object_id *id1,
1899 struct got_object_id *id2, const char *path1, const char *path2,
1900 struct got_repository *repo)
1902 static const struct got_error *err = NULL;
1903 struct merge_file_cb_arg *a = arg;
1904 struct got_fileindex_entry *ie;
1905 char *ondisk_path = NULL;
1907 unsigned char status;
1908 int local_changes_subsumed;
1910 if (blob1 && blob2) {
1911 ie = got_fileindex_entry_get(a->fileindex, path2);
1913 return (*a->progress_cb)(a->progress_arg,
1914 GOT_STATUS_MISSING, path2);
1916 if (asprintf(&ondisk_path, "%s/%s", a->worktree->root_path,
1918 return got_error_from_errno("asprintf");
1920 err = get_file_status(&status, &sb, ie, ondisk_path, repo);
1924 if (status == GOT_STATUS_DELETE) {
1925 err = (*a->progress_cb)(a->progress_arg,
1926 GOT_STATUS_MERGE, path2);
1929 if (status != GOT_STATUS_NO_CHANGE &&
1930 status != GOT_STATUS_MODIFY &&
1931 status != GOT_STATUS_CONFLICT &&
1932 status != GOT_STATUS_ADD) {
1933 err = (*a->progress_cb)(a->progress_arg, status, path2);
1937 err = merge_blob(&local_changes_subsumed, a->worktree, blob1,
1938 ondisk_path, path2, sb.st_mode, blob2, a->commit_id2, repo,
1939 a->progress_cb, a->progress_arg);
1941 ie = got_fileindex_entry_get(a->fileindex, path1);
1943 return (*a->progress_cb)(a->progress_arg,
1944 GOT_STATUS_MISSING, path2);
1946 if (asprintf(&ondisk_path, "%s/%s", a->worktree->root_path,
1948 return got_error_from_errno("asprintf");
1950 err = get_file_status(&status, &sb, ie, ondisk_path, repo);
1955 case GOT_STATUS_NO_CHANGE:
1956 err = (*a->progress_cb)(a->progress_arg,
1957 GOT_STATUS_DELETE, path1);
1960 err = remove_ondisk_file(a->worktree->root_path, path1);
1964 got_fileindex_entry_mark_deleted_from_disk(ie);
1966 case GOT_STATUS_DELETE:
1967 case GOT_STATUS_MISSING:
1968 err = (*a->progress_cb)(a->progress_arg,
1969 GOT_STATUS_DELETE, path1);
1973 got_fileindex_entry_mark_deleted_from_disk(ie);
1975 case GOT_STATUS_ADD:
1976 case GOT_STATUS_MODIFY:
1977 case GOT_STATUS_CONFLICT:
1978 err = (*a->progress_cb)(a->progress_arg,
1979 GOT_STATUS_CANNOT_DELETE, path1);
1983 case GOT_STATUS_OBSTRUCTED:
1984 err = (*a->progress_cb)(a->progress_arg, status, path1);
1992 if (asprintf(&ondisk_path, "%s/%s", a->worktree->root_path,
1994 return got_error_from_errno("asprintf");
1995 ie = got_fileindex_entry_get(a->fileindex, path2);
1997 err = get_file_status(&status, &sb, ie, ondisk_path,
2001 if (status != GOT_STATUS_NO_CHANGE &&
2002 status != GOT_STATUS_MODIFY &&
2003 status != GOT_STATUS_CONFLICT &&
2004 status != GOT_STATUS_ADD) {
2005 err = (*a->progress_cb)(a->progress_arg,
2009 err = merge_blob(&local_changes_subsumed, a->worktree,
2010 NULL, ondisk_path, path2, sb.st_mode, blob2,
2011 a->commit_id2, repo,
2012 a->progress_cb, a->progress_arg);
2013 if (status == GOT_STATUS_DELETE) {
2014 err = update_blob_fileindex_entry(a->worktree,
2015 a->fileindex, ie, ondisk_path, ie->path,
2021 sb.st_mode = GOT_DEFAULT_FILE_MODE;
2022 err = install_blob(a->worktree, ondisk_path, path2,
2023 /* XXX get this from parent tree! */
2024 GOT_DEFAULT_FILE_MODE,
2025 sb.st_mode, blob2, 0, 0, repo,
2026 a->progress_cb, a->progress_arg);
2029 err = got_fileindex_entry_alloc(&ie,
2030 ondisk_path, path2, NULL, NULL);
2033 err = got_fileindex_entry_add(a->fileindex, ie);
2035 got_fileindex_entry_free(ie);
2045 struct check_merge_ok_arg {
2046 struct got_worktree *worktree;
2047 struct got_repository *repo;
2050 static const struct got_error *
2051 check_merge_ok(void *arg, struct got_fileindex_entry *ie)
2053 const struct got_error *err = NULL;
2054 struct check_merge_ok_arg *a = arg;
2055 unsigned char status;
2059 /* Reject merges into a work tree with mixed base commits. */
2060 if (memcmp(ie->commit_sha1, a->worktree->base_commit_id->sha1,
2061 SHA1_DIGEST_LENGTH))
2062 return got_error(GOT_ERR_MIXED_COMMITS);
2064 if (asprintf(&ondisk_path, "%s/%s", a->worktree->root_path, ie->path)
2066 return got_error_from_errno("asprintf");
2068 /* Reject merges into a work tree with conflicted files. */
2069 err = get_file_status(&status, &sb, ie, ondisk_path, a->repo);
2072 if (status == GOT_STATUS_CONFLICT)
2073 return got_error(GOT_ERR_CONFLICTS);
2078 static const struct got_error *
2079 merge_files(struct got_worktree *worktree, struct got_fileindex *fileindex,
2080 const char *fileindex_path, struct got_object_id *commit_id1,
2081 struct got_object_id *commit_id2, struct got_repository *repo,
2082 got_worktree_checkout_cb progress_cb, void *progress_arg,
2083 got_worktree_cancel_cb cancel_cb, void *cancel_arg)
2085 const struct got_error *err = NULL, *sync_err;
2086 struct got_object_id *tree_id1 = NULL, *tree_id2 = NULL;
2087 struct got_tree_object *tree1 = NULL, *tree2 = NULL;
2088 struct merge_file_cb_arg arg;
2091 err = got_object_id_by_path(&tree_id1, repo, commit_id1,
2092 worktree->path_prefix);
2096 err = got_object_open_as_tree(&tree1, repo, tree_id1);
2101 err = got_object_id_by_path(&tree_id2, repo, commit_id2,
2102 worktree->path_prefix);
2106 err = got_object_open_as_tree(&tree2, repo, tree_id2);
2110 arg.worktree = worktree;
2111 arg.fileindex = fileindex;
2112 arg.progress_cb = progress_cb;
2113 arg.progress_arg = progress_arg;
2114 arg.cancel_cb = cancel_cb;
2115 arg.cancel_arg = cancel_arg;
2116 arg.commit_id2 = commit_id2;
2117 err = got_diff_tree(tree1, tree2, "", "", repo, merge_file_cb, &arg, 1);
2118 sync_err = sync_fileindex(fileindex, fileindex_path);
2119 if (sync_err && err == NULL)
2123 got_object_tree_close(tree1);
2125 got_object_tree_close(tree2);
2129 const struct got_error *
2130 got_worktree_merge_files(struct got_worktree *worktree,
2131 struct got_object_id *commit_id1, struct got_object_id *commit_id2,
2132 struct got_repository *repo, got_worktree_checkout_cb progress_cb,
2133 void *progress_arg, got_worktree_cancel_cb cancel_cb, void *cancel_arg)
2135 const struct got_error *err, *unlockerr;
2136 char *fileindex_path = NULL;
2137 struct got_fileindex *fileindex = NULL;
2138 struct check_merge_ok_arg mok_arg;
2140 err = lock_worktree(worktree, LOCK_EX);
2144 err = open_fileindex(&fileindex, &fileindex_path, worktree);
2148 mok_arg.worktree = worktree;
2149 mok_arg.repo = repo;
2150 err = got_fileindex_for_each_entry_safe(fileindex, check_merge_ok,
2155 err = merge_files(worktree, fileindex, fileindex_path, commit_id1,
2156 commit_id2, repo, progress_cb, progress_arg, cancel_cb, cancel_arg);
2159 got_fileindex_free(fileindex);
2160 free(fileindex_path);
2161 unlockerr = lock_worktree(worktree, LOCK_SH);
2162 if (unlockerr && err == NULL)
2167 struct diff_dir_cb_arg {
2168 struct got_fileindex *fileindex;
2169 struct got_worktree *worktree;
2170 const char *status_path;
2171 size_t status_path_len;
2172 struct got_repository *repo;
2173 got_worktree_status_cb status_cb;
2175 got_worktree_cancel_cb cancel_cb;
2179 static const struct got_error *
2180 report_file_status(struct got_fileindex_entry *ie, const char *abspath,
2181 got_worktree_status_cb status_cb, void *status_arg,
2182 struct got_repository *repo)
2184 const struct got_error *err = NULL;
2185 unsigned char status = GOT_STATUS_NO_CHANGE;
2187 struct got_object_id blob_id, commit_id;
2189 err = get_file_status(&status, &sb, ie, abspath, repo);
2190 if (err == NULL && status != GOT_STATUS_NO_CHANGE) {
2191 memcpy(blob_id.sha1, ie->blob_sha1, SHA1_DIGEST_LENGTH);
2192 memcpy(commit_id.sha1, ie->commit_sha1, SHA1_DIGEST_LENGTH);
2193 err = (*status_cb)(status_arg, status, ie->path, &blob_id,
2199 static const struct got_error *
2200 status_old_new(void *arg, struct got_fileindex_entry *ie,
2201 struct dirent *de, const char *parent_path)
2203 const struct got_error *err = NULL;
2204 struct diff_dir_cb_arg *a = arg;
2207 if (a->cancel_cb && a->cancel_cb(a->cancel_arg))
2208 return got_error(GOT_ERR_CANCELLED);
2210 if (got_path_cmp(parent_path, a->status_path) != 0 &&
2211 !got_path_is_child(parent_path, a->status_path, a->status_path_len))
2214 if (parent_path[0]) {
2215 if (asprintf(&abspath, "%s/%s/%s", a->worktree->root_path,
2216 parent_path, de->d_name) == -1)
2217 return got_error_from_errno("asprintf");
2219 if (asprintf(&abspath, "%s/%s", a->worktree->root_path,
2221 return got_error_from_errno("asprintf");
2224 err = report_file_status(ie, abspath, a->status_cb, a->status_arg,
2230 static const struct got_error *
2231 status_old(void *arg, struct got_fileindex_entry *ie, const char *parent_path)
2233 struct diff_dir_cb_arg *a = arg;
2234 struct got_object_id blob_id, commit_id;
2235 unsigned char status;
2237 if (a->cancel_cb && a->cancel_cb(a->cancel_arg))
2238 return got_error(GOT_ERR_CANCELLED);
2240 if (!got_path_is_child(ie->path, a->status_path, a->status_path_len))
2243 memcpy(blob_id.sha1, ie->blob_sha1, SHA1_DIGEST_LENGTH);
2244 memcpy(commit_id.sha1, ie->commit_sha1, SHA1_DIGEST_LENGTH);
2245 if (got_fileindex_entry_has_file_on_disk(ie))
2246 status = GOT_STATUS_MISSING;
2248 status = GOT_STATUS_DELETE;
2249 return (*a->status_cb)(a->status_arg, status, ie->path, &blob_id,
2253 static const struct got_error *
2254 status_new(void *arg, struct dirent *de, const char *parent_path)
2256 const struct got_error *err = NULL;
2257 struct diff_dir_cb_arg *a = arg;
2260 if (a->cancel_cb && a->cancel_cb(a->cancel_arg))
2261 return got_error(GOT_ERR_CANCELLED);
2263 if (de->d_type == DT_DIR)
2266 /* XXX ignore symlinks for now */
2267 if (de->d_type == DT_LNK)
2270 if (parent_path[0]) {
2271 if (asprintf(&path, "%s/%s", parent_path, de->d_name) == -1)
2272 return got_error_from_errno("asprintf");
2277 if (got_path_is_child(path, a->status_path, a->status_path_len))
2278 err = (*a->status_cb)(a->status_arg, GOT_STATUS_UNVERSIONED,
2285 static const struct got_error *
2286 report_single_file_status(const char *path, const char *ondisk_path,
2287 struct got_fileindex *fileindex, got_worktree_status_cb status_cb,
2288 void *status_arg, struct got_repository *repo)
2290 struct got_fileindex_entry *ie;
2293 ie = got_fileindex_entry_get(fileindex, path);
2295 return report_file_status(ie, ondisk_path, status_cb,
2298 if (lstat(ondisk_path, &sb) == -1) {
2299 if (errno != ENOENT)
2300 return got_error_from_errno2("lstat", ondisk_path);
2304 if (S_ISREG(sb.st_mode))
2305 return (*status_cb)(status_arg, GOT_STATUS_UNVERSIONED, path,
2311 static const struct got_error *
2312 worktree_status(struct got_worktree *worktree, const char *path,
2313 struct got_fileindex *fileindex, struct got_repository *repo,
2314 got_worktree_status_cb status_cb, void *status_arg,
2315 got_worktree_cancel_cb cancel_cb, void *cancel_arg)
2317 const struct got_error *err = NULL;
2318 DIR *workdir = NULL;
2319 struct got_fileindex_diff_dir_cb fdiff_cb;
2320 struct diff_dir_cb_arg arg;
2321 char *ondisk_path = NULL;
2323 if (asprintf(&ondisk_path, "%s%s%s",
2324 worktree->root_path, path[0] ? "/" : "", path) == -1)
2325 return got_error_from_errno("asprintf");
2327 workdir = opendir(ondisk_path);
2328 if (workdir == NULL) {
2329 if (errno != ENOTDIR && errno != ENOENT)
2330 err = got_error_from_errno2("opendir", ondisk_path);
2332 err = report_single_file_status(path, ondisk_path,
2333 fileindex, status_cb, status_arg, repo);
2335 fdiff_cb.diff_old_new = status_old_new;
2336 fdiff_cb.diff_old = status_old;
2337 fdiff_cb.diff_new = status_new;
2338 arg.fileindex = fileindex;
2339 arg.worktree = worktree;
2340 arg.status_path = path;
2341 arg.status_path_len = strlen(path);
2343 arg.status_cb = status_cb;
2344 arg.status_arg = status_arg;
2345 arg.cancel_cb = cancel_cb;
2346 arg.cancel_arg = cancel_arg;
2347 err = got_fileindex_diff_dir(fileindex, workdir,
2348 worktree->root_path, path, repo, &fdiff_cb, &arg);
2357 const struct got_error *
2358 got_worktree_status(struct got_worktree *worktree,
2359 struct got_pathlist_head *paths, struct got_repository *repo,
2360 got_worktree_status_cb status_cb, void *status_arg,
2361 got_worktree_cancel_cb cancel_cb, void *cancel_arg)
2363 const struct got_error *err = NULL;
2364 char *fileindex_path = NULL;
2365 struct got_fileindex *fileindex = NULL;
2366 struct got_pathlist_entry *pe;
2368 err = open_fileindex(&fileindex, &fileindex_path, worktree);
2372 TAILQ_FOREACH(pe, paths, entry) {
2373 err = worktree_status(worktree, pe->path, fileindex, repo,
2374 status_cb, status_arg, cancel_cb, cancel_arg);
2378 free(fileindex_path);
2379 got_fileindex_free(fileindex);
2383 const struct got_error *
2384 got_worktree_resolve_path(char **wt_path, struct got_worktree *worktree,
2387 const struct got_error *err = NULL;
2388 char *resolved, *cwd = NULL, *path = NULL;
2393 resolved = realpath(arg, NULL);
2394 if (resolved == NULL) {
2395 if (errno != ENOENT)
2396 return got_error_from_errno2("realpath", arg);
2397 cwd = getcwd(NULL, 0);
2399 return got_error_from_errno("getcwd");
2400 if (asprintf(&resolved, "%s/%s", cwd, arg) == -1) {
2401 err = got_error_from_errno("asprintf");
2406 if (strncmp(got_worktree_get_root_path(worktree), resolved,
2407 strlen(got_worktree_get_root_path(worktree)))) {
2408 err = got_error(GOT_ERR_BAD_PATH);
2412 if (strlen(resolved) > strlen(got_worktree_get_root_path(worktree))) {
2413 err = got_path_skip_common_ancestor(&path,
2414 got_worktree_get_root_path(worktree), resolved);
2420 err = got_error_from_errno("strdup");
2425 /* XXX status walk can't deal with trailing slash! */
2427 while (len > 0 && path[len - 1] == '/') {
2428 path[len - 1] = '\0';
2441 static const struct got_error *
2442 schedule_addition(const char *ondisk_path, struct got_fileindex *fileindex,
2443 const char *relpath, got_worktree_status_cb status_cb, void *status_arg,
2444 struct got_repository *repo)
2446 const struct got_error *err = NULL;
2447 struct got_fileindex_entry *ie;
2449 /* Re-adding an existing entry is a no-op. */
2450 if (got_fileindex_entry_get(fileindex, relpath) != NULL)
2453 err = got_fileindex_entry_alloc(&ie, ondisk_path, relpath, NULL, NULL);
2457 err = got_fileindex_entry_add(fileindex, ie);
2459 got_fileindex_entry_free(ie);
2463 return report_file_status(ie, ondisk_path, status_cb, status_arg, repo);
2466 const struct got_error *
2467 got_worktree_schedule_add(struct got_worktree *worktree,
2468 struct got_pathlist_head *ondisk_paths,
2469 got_worktree_status_cb status_cb, void *status_arg,
2470 struct got_repository *repo)
2472 struct got_fileindex *fileindex = NULL;
2473 char *fileindex_path = NULL;
2474 const struct got_error *err = NULL, *sync_err, *unlockerr;
2475 struct got_pathlist_entry *pe;
2477 err = lock_worktree(worktree, LOCK_EX);
2481 err = open_fileindex(&fileindex, &fileindex_path, worktree);
2485 TAILQ_FOREACH(pe, ondisk_paths, entry) {
2487 err = got_path_skip_common_ancestor(&relpath,
2488 got_worktree_get_root_path(worktree), pe->path);
2491 err = schedule_addition(pe->path, fileindex, relpath,
2492 status_cb, status_arg, repo);
2497 sync_err = sync_fileindex(fileindex, fileindex_path);
2498 if (sync_err && err == NULL)
2501 free(fileindex_path);
2503 got_fileindex_free(fileindex);
2504 unlockerr = lock_worktree(worktree, LOCK_SH);
2505 if (unlockerr && err == NULL)
2510 static const struct got_error *
2511 schedule_for_deletion(const char *ondisk_path, struct got_fileindex *fileindex,
2512 const char *relpath, int delete_local_mods,
2513 got_worktree_status_cb status_cb, void *status_arg,
2514 struct got_repository *repo)
2516 const struct got_error *err = NULL;
2517 struct got_fileindex_entry *ie = NULL;
2518 unsigned char status;
2521 ie = got_fileindex_entry_get(fileindex, relpath);
2523 return got_error(GOT_ERR_BAD_PATH);
2525 err = get_file_status(&status, &sb, ie, ondisk_path, repo);
2529 if (status != GOT_STATUS_NO_CHANGE) {
2530 if (status == GOT_STATUS_DELETE)
2531 return got_error_set_errno(ENOENT, ondisk_path);
2532 if (status != GOT_STATUS_MODIFY)
2533 return got_error(GOT_ERR_FILE_STATUS);
2534 if (!delete_local_mods)
2535 return got_error(GOT_ERR_FILE_MODIFIED);
2538 if (unlink(ondisk_path) != 0)
2539 return got_error_from_errno2("unlink", ondisk_path);
2541 got_fileindex_entry_mark_deleted_from_disk(ie);
2542 return report_file_status(ie, ondisk_path, status_cb, status_arg, repo);
2545 const struct got_error *
2546 got_worktree_schedule_delete(struct got_worktree *worktree,
2547 struct got_pathlist_head *ondisk_paths, int delete_local_mods,
2548 got_worktree_status_cb status_cb, void *status_arg,
2549 struct got_repository *repo)
2551 struct got_fileindex *fileindex = NULL;
2552 char *fileindex_path = NULL;
2553 const struct got_error *err = NULL, *sync_err, *unlockerr;
2554 struct got_pathlist_entry *pe;
2556 err = lock_worktree(worktree, LOCK_EX);
2560 err = open_fileindex(&fileindex, &fileindex_path, worktree);
2564 TAILQ_FOREACH(pe, ondisk_paths, entry) {
2566 err = got_path_skip_common_ancestor(&relpath,
2567 got_worktree_get_root_path(worktree), pe->path);
2570 err = schedule_for_deletion(pe->path, fileindex, relpath,
2571 delete_local_mods, status_cb, status_arg, repo);
2576 sync_err = sync_fileindex(fileindex, fileindex_path);
2577 if (sync_err && err == NULL)
2580 free(fileindex_path);
2582 got_fileindex_free(fileindex);
2583 unlockerr = lock_worktree(worktree, LOCK_SH);
2584 if (unlockerr && err == NULL)
2589 static const struct got_error *
2590 revert_file(struct got_worktree *worktree, struct got_fileindex *fileindex,
2591 const char *ondisk_path,
2592 got_worktree_checkout_cb progress_cb, void *progress_arg,
2593 struct got_repository *repo)
2595 const struct got_error *err = NULL;
2596 char *relpath = NULL, *parent_path = NULL;
2597 struct got_fileindex_entry *ie;
2598 struct got_tree_object *tree = NULL;
2599 struct got_object_id *tree_id = NULL;
2600 const struct got_tree_entry *te;
2601 char *tree_path = NULL, *te_name;
2602 struct got_blob_object *blob = NULL;
2603 unsigned char status;
2606 err = got_path_skip_common_ancestor(&relpath,
2607 got_worktree_get_root_path(worktree), ondisk_path);
2611 ie = got_fileindex_entry_get(fileindex, relpath);
2613 err = got_error(GOT_ERR_BAD_PATH);
2617 /* Construct in-repository path of tree which contains this blob. */
2618 err = got_path_dirname(&parent_path, ie->path);
2620 if (err->code != GOT_ERR_BAD_PATH)
2622 parent_path = strdup("/");
2623 if (parent_path == NULL) {
2624 err = got_error_from_errno("strdup");
2628 if (got_path_is_root_dir(worktree->path_prefix)) {
2629 tree_path = strdup(parent_path);
2630 if (tree_path == NULL) {
2631 err = got_error_from_errno("strdup");
2635 if (got_path_is_root_dir(parent_path)) {
2636 tree_path = strdup(worktree->path_prefix);
2637 if (tree_path == NULL) {
2638 err = got_error_from_errno("strdup");
2642 if (asprintf(&tree_path, "%s/%s",
2643 worktree->path_prefix, parent_path) == -1) {
2644 err = got_error_from_errno("asprintf");
2650 err = get_file_status(&status, &sb, ie, ondisk_path, repo);
2654 err = got_object_id_by_path(&tree_id, repo, worktree->base_commit_id,
2657 if (!(err->code == GOT_ERR_NO_TREE_ENTRY &&
2658 status == GOT_STATUS_ADD))
2661 err = got_object_open_as_tree(&tree, repo, tree_id);
2665 te_name = basename(ie->path);
2666 if (te_name == NULL) {
2667 err = got_error_from_errno2("basename", ie->path);
2671 te = got_object_tree_find_entry(tree, te_name);
2672 if (te == NULL && status != GOT_STATUS_ADD) {
2673 err = got_error(GOT_ERR_NO_TREE_ENTRY);
2679 case GOT_STATUS_ADD:
2680 err = (*progress_cb)(progress_arg, GOT_STATUS_REVERT, ie->path);
2683 got_fileindex_entry_remove(fileindex, ie);
2685 case GOT_STATUS_DELETE:
2686 case GOT_STATUS_MODIFY:
2687 case GOT_STATUS_CONFLICT:
2688 case GOT_STATUS_MISSING: {
2689 struct got_object_id id;
2690 memcpy(id.sha1, ie->blob_sha1, SHA1_DIGEST_LENGTH);
2691 err = got_object_open_as_blob(&blob, repo, &id, 8192);
2694 err = install_blob(worktree, ondisk_path, ie->path,
2695 te->mode, sb.st_mode, blob, 0, 1, repo, progress_cb,
2699 if (status == GOT_STATUS_DELETE) {
2700 err = update_blob_fileindex_entry(worktree,
2701 fileindex, ie, ondisk_path, ie->path, blob, 1);
2715 got_object_blob_close(blob);
2717 got_object_tree_close(tree);
2722 const struct got_error *
2723 got_worktree_revert(struct got_worktree *worktree,
2724 struct got_pathlist_head *ondisk_paths,
2725 got_worktree_checkout_cb progress_cb, void *progress_arg,
2726 struct got_repository *repo)
2728 struct got_fileindex *fileindex = NULL;
2729 char *fileindex_path = NULL;
2730 const struct got_error *err = NULL, *unlockerr = NULL;
2731 const struct got_error *sync_err = NULL;
2732 struct got_pathlist_entry *pe;
2734 err = lock_worktree(worktree, LOCK_EX);
2738 err = open_fileindex(&fileindex, &fileindex_path, worktree);
2742 TAILQ_FOREACH(pe, ondisk_paths, entry) {
2743 err = revert_file(worktree, fileindex, pe->path,
2744 progress_cb, progress_arg, repo);
2748 sync_err = sync_fileindex(fileindex, fileindex_path);
2749 if (sync_err && err == NULL)
2752 free(fileindex_path);
2754 got_fileindex_free(fileindex);
2755 unlockerr = lock_worktree(worktree, LOCK_SH);
2756 if (unlockerr && err == NULL)
2762 free_commitable(struct got_commitable *ct)
2765 free(ct->in_repo_path);
2766 free(ct->ondisk_path);
2768 free(ct->base_blob_id);
2769 free(ct->base_commit_id);
2773 struct collect_commitables_arg {
2774 struct got_pathlist_head *commitable_paths;
2775 struct got_repository *repo;
2776 struct got_worktree *worktree;
2779 static const struct got_error *
2780 collect_commitables(void *arg, unsigned char status, const char *relpath,
2781 struct got_object_id *blob_id, struct got_object_id *commit_id)
2783 struct collect_commitables_arg *a = arg;
2784 const struct got_error *err = NULL;
2785 struct got_commitable *ct = NULL;
2786 struct got_pathlist_entry *new = NULL;
2787 char *parent_path = NULL, *path = NULL;
2790 if (status == GOT_STATUS_CONFLICT)
2791 return got_error(GOT_ERR_COMMIT_CONFLICT);
2793 if (status != GOT_STATUS_MODIFY && status != GOT_STATUS_ADD &&
2794 status != GOT_STATUS_DELETE)
2797 if (asprintf(&path, "/%s", relpath) == -1) {
2798 err = got_error_from_errno("asprintf");
2801 if (strcmp(path, "/") == 0) {
2802 parent_path = strdup("");
2803 if (parent_path == NULL)
2804 return got_error_from_errno("strdup");
2806 err = got_path_dirname(&parent_path, path);
2811 ct = calloc(1, sizeof(*ct));
2813 err = got_error_from_errno("calloc");
2817 if (asprintf(&ct->ondisk_path, "%s/%s", a->worktree->root_path,
2819 err = got_error_from_errno("asprintf");
2822 if (status == GOT_STATUS_DELETE) {
2823 sb.st_mode = GOT_DEFAULT_FILE_MODE;
2825 if (lstat(ct->ondisk_path, &sb) != 0) {
2826 err = got_error_from_errno2("lstat", ct->ondisk_path);
2829 ct->mode = sb.st_mode;
2832 if (asprintf(&ct->in_repo_path, "%s%s%s", a->worktree->path_prefix,
2833 got_path_is_root_dir(a->worktree->path_prefix) ? "" : "/",
2835 err = got_error_from_errno("asprintf");
2839 ct->status = status;
2840 ct->blob_id = NULL; /* will be filled in when blob gets created */
2841 if (ct->status != GOT_STATUS_ADD) {
2842 ct->base_blob_id = got_object_id_dup(blob_id);
2843 if (ct->base_blob_id == NULL) {
2844 err = got_error_from_errno("got_object_id_dup");
2847 ct->base_commit_id = got_object_id_dup(commit_id);
2848 if (ct->base_commit_id == NULL) {
2849 err = got_error_from_errno("got_object_id_dup");
2853 ct->path = strdup(path);
2854 if (ct->path == NULL) {
2855 err = got_error_from_errno("strdup");
2858 err = got_pathlist_insert(&new, a->commitable_paths, ct->path, ct);
2860 if (ct && (err || new == NULL))
2861 free_commitable(ct);
2867 static const struct got_error *write_tree(struct got_object_id **,
2868 struct got_tree_object *, const char *, struct got_pathlist_head *,
2869 got_worktree_status_cb status_cb, void *status_arg,
2870 struct got_repository *);
2872 static const struct got_error *
2873 write_subtree(struct got_object_id **new_subtree_id,
2874 struct got_tree_entry *te, const char *parent_path,
2875 struct got_pathlist_head *commitable_paths,
2876 got_worktree_status_cb status_cb, void *status_arg,
2877 struct got_repository *repo)
2879 const struct got_error *err = NULL;
2880 struct got_tree_object *subtree;
2883 if (asprintf(&subpath, "%s%s%s", parent_path,
2884 got_path_is_root_dir(parent_path) ? "" : "/", te->name) == -1)
2885 return got_error_from_errno("asprintf");
2887 err = got_object_open_as_tree(&subtree, repo, te->id);
2891 err = write_tree(new_subtree_id, subtree, subpath, commitable_paths,
2892 status_cb, status_arg, repo);
2893 got_object_tree_close(subtree);
2898 static const struct got_error *
2899 match_ct_parent_path(int *match, struct got_commitable *ct, const char *path)
2901 const struct got_error *err = NULL;
2902 char *ct_parent_path = NULL;
2906 if (strchr(ct->in_repo_path, '/') == NULL) {
2907 *match = got_path_is_root_dir(path);
2911 err = got_path_dirname(&ct_parent_path, ct->in_repo_path);
2914 *match = (strcmp(path, ct_parent_path) == 0);
2915 free(ct_parent_path);
2920 get_ct_file_mode(struct got_commitable *ct)
2922 return S_IFREG | (ct->mode & ((S_IRWXU | S_IRWXG | S_IRWXO)));
2925 static const struct got_error *
2926 alloc_modified_blob_tree_entry(struct got_tree_entry **new_te,
2927 struct got_tree_entry *te, struct got_commitable *ct)
2929 const struct got_error *err = NULL;
2933 err = got_object_tree_entry_dup(new_te, te);
2937 (*new_te)->mode = get_ct_file_mode(ct);
2939 free((*new_te)->id);
2940 (*new_te)->id = got_object_id_dup(ct->blob_id);
2941 if ((*new_te)->id == NULL) {
2942 err = got_error_from_errno("got_object_id_dup");
2946 if (err && *new_te) {
2947 got_object_tree_entry_close(*new_te);
2953 static const struct got_error *
2954 alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
2955 struct got_commitable *ct)
2957 const struct got_error *err = NULL;
2962 *new_te = calloc(1, sizeof(**new_te));
2963 if (*new_te == NULL)
2964 return got_error_from_errno("calloc");
2966 ct_name = basename(ct->path);
2967 if (ct_name == NULL) {
2968 err = got_error_from_errno2("basename", ct->path);
2971 (*new_te)->name = strdup(ct_name);
2972 if ((*new_te)->name == NULL) {
2973 err = got_error_from_errno("strdup");
2977 (*new_te)->mode = get_ct_file_mode(ct);
2979 (*new_te)->id = got_object_id_dup(ct->blob_id);
2980 if ((*new_te)->id == NULL) {
2981 err = got_error_from_errno("got_object_id_dup");
2985 if (err && *new_te) {
2986 got_object_tree_entry_close(*new_te);
2992 static const struct got_error *
2993 insert_tree_entry(struct got_tree_entry *new_te,
2994 struct got_pathlist_head *paths)
2996 const struct got_error *err = NULL;
2997 struct got_pathlist_entry *new_pe;
2999 err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
3003 return got_error(GOT_ERR_TREE_DUP_ENTRY);
3007 static const struct got_error *
3008 report_ct_status(struct got_commitable *ct,
3009 got_worktree_status_cb status_cb, void *status_arg)
3011 const char *ct_path = ct->path;
3012 while (ct_path[0] == '/')
3014 return (*status_cb)(status_arg, ct->status, ct_path, ct->blob_id, NULL);
3017 static const struct got_error *
3018 match_modified_subtree(int *modified, struct got_tree_entry *te,
3019 const char *base_tree_path, struct got_pathlist_head *commitable_paths)
3021 const struct got_error *err = NULL;
3022 struct got_pathlist_entry *pe;
3027 if (asprintf(&te_path, "%s%s%s", base_tree_path,
3028 got_path_is_root_dir(base_tree_path) ? "" : "/",
3030 return got_error_from_errno("asprintf");
3032 TAILQ_FOREACH(pe, commitable_paths, entry) {
3033 struct got_commitable *ct = pe->data;
3034 *modified = got_path_is_child(ct->in_repo_path, te_path,
3044 static const struct got_error *
3045 match_deleted_or_modified_ct(struct got_commitable **ctp,
3046 struct got_tree_entry *te, const char *base_tree_path,
3047 struct got_pathlist_head *commitable_paths)
3049 const struct got_error *err = NULL;
3050 struct got_pathlist_entry *pe;
3054 TAILQ_FOREACH(pe, commitable_paths, entry) {
3055 struct got_commitable *ct = pe->data;
3056 char *ct_name = NULL;
3059 if (ct->status != GOT_STATUS_MODIFY &&
3060 ct->status != GOT_STATUS_DELETE)
3063 if (got_object_id_cmp(ct->base_blob_id, te->id) != 0)
3066 err = match_ct_parent_path(&path_matches, ct, base_tree_path);
3072 ct_name = basename(pe->path);
3073 if (ct_name == NULL)
3074 return got_error_from_errno2("basename", pe->path);
3076 if (strcmp(te->name, ct_name) != 0)
3086 static const struct got_error *
3087 make_subtree_for_added_blob(struct got_tree_entry **new_tep,
3088 const char *child_path, const char *path_base_tree,
3089 struct got_pathlist_head *commitable_paths,
3090 got_worktree_status_cb status_cb, void *status_arg,
3091 struct got_repository *repo)
3093 const struct got_error *err = NULL;
3094 struct got_tree_entry *new_te;
3099 if (asprintf(&subtree_path, "%s%s%s", path_base_tree,
3100 got_path_is_root_dir(path_base_tree) ? "" : "/",
3102 return got_error_from_errno("asprintf");
3104 new_te = calloc(1, sizeof(*new_te));
3105 new_te->mode = S_IFDIR;
3106 new_te->name = strdup(child_path);
3107 if (new_te->name == NULL) {
3108 err = got_error_from_errno("strdup");
3109 got_object_tree_entry_close(new_te);
3112 err = write_tree(&new_te->id, NULL, subtree_path,
3113 commitable_paths, status_cb, status_arg, repo);
3115 got_object_tree_entry_close(new_te);
3125 static const struct got_error *
3126 write_tree(struct got_object_id **new_tree_id,
3127 struct got_tree_object *base_tree, const char *path_base_tree,
3128 struct got_pathlist_head *commitable_paths,
3129 got_worktree_status_cb status_cb, void *status_arg,
3130 struct got_repository *repo)
3132 const struct got_error *err = NULL;
3133 const struct got_tree_entries *base_entries = NULL;
3134 struct got_pathlist_head paths;
3135 struct got_tree_entries new_tree_entries;
3136 struct got_tree_entry *te, *new_te = NULL;
3137 struct got_pathlist_entry *pe;
3140 new_tree_entries.nentries = 0;
3141 SIMPLEQ_INIT(&new_tree_entries.head);
3143 /* Insert, and recurse into, newly added entries first. */
3144 TAILQ_FOREACH(pe, commitable_paths, entry) {
3145 struct got_commitable *ct = pe->data;
3146 char *child_path = NULL, *slash;
3148 if (ct->status != GOT_STATUS_ADD ||
3149 (ct->flags & GOT_COMMITABLE_ADDED))
3152 if (!got_path_is_child(pe->path, path_base_tree,
3153 strlen(path_base_tree)))
3156 err = got_path_skip_common_ancestor(&child_path, path_base_tree,
3161 slash = strchr(child_path, '/');
3162 if (slash == NULL) {
3163 err = alloc_added_blob_tree_entry(&new_te, ct);
3166 err = report_ct_status(ct, status_cb, status_arg);
3169 ct->flags |= GOT_COMMITABLE_ADDED;
3170 err = insert_tree_entry(new_te, &paths);
3174 *slash = '\0'; /* trim trailing path components */
3175 if (base_tree == NULL ||
3176 got_object_tree_find_entry(base_tree, child_path)
3178 err = make_subtree_for_added_blob(&new_te,
3179 child_path, path_base_tree,
3180 commitable_paths, status_cb, status_arg,
3184 err = insert_tree_entry(new_te, &paths);
3192 /* Handle modified and deleted entries. */
3193 base_entries = got_object_tree_get_entries(base_tree);
3194 SIMPLEQ_FOREACH(te, &base_entries->head, entry) {
3195 struct got_commitable *ct = NULL;
3197 if (S_ISDIR(te->mode)) {
3199 err = got_object_tree_entry_dup(&new_te, te);
3202 err = match_modified_subtree(&modified, te,
3203 path_base_tree, commitable_paths);
3206 /* Avoid recursion into unmodified subtrees. */
3209 err = write_subtree(&new_te->id, te,
3210 path_base_tree, commitable_paths,
3211 status_cb, status_arg, repo);
3215 err = insert_tree_entry(new_te, &paths);
3221 err = match_deleted_or_modified_ct(&ct, te,
3222 path_base_tree, commitable_paths);
3224 /* NB: Deleted entries get dropped here. */
3225 if (ct->status == GOT_STATUS_MODIFY) {
3226 err = alloc_modified_blob_tree_entry(
3230 err = insert_tree_entry(new_te, &paths);
3234 err = report_ct_status(ct, status_cb,
3239 /* Entry is unchanged; just copy it. */
3240 err = got_object_tree_entry_dup(&new_te, te);
3243 err = insert_tree_entry(new_te, &paths);
3250 /* Write new list of entries; deleted entries have been dropped. */
3251 TAILQ_FOREACH(pe, &paths, entry) {
3252 struct got_tree_entry *te = pe->data;
3253 new_tree_entries.nentries++;
3254 SIMPLEQ_INSERT_TAIL(&new_tree_entries.head, te, entry);
3256 err = got_object_tree_create(new_tree_id, &new_tree_entries, repo);
3258 got_object_tree_entries_close(&new_tree_entries);
3259 got_pathlist_free(&paths);
3263 static const struct got_error *
3264 update_fileindex_after_commit(struct got_pathlist_head *commitable_paths,
3265 struct got_object_id *new_base_commit_id, struct got_fileindex *fileindex)
3267 const struct got_error *err = NULL;
3268 struct got_pathlist_entry *pe;
3270 TAILQ_FOREACH(pe, commitable_paths, entry) {
3271 struct got_fileindex_entry *ie;
3272 struct got_commitable *ct = pe->data;
3274 ie = got_fileindex_entry_get(fileindex, pe->path);
3276 if (ct->status == GOT_STATUS_DELETE) {
3277 got_fileindex_entry_remove(fileindex, ie);
3278 got_fileindex_entry_free(ie);
3280 err = got_fileindex_entry_update(ie,
3281 ct->ondisk_path, ct->blob_id->sha1,
3282 new_base_commit_id->sha1, 1);
3284 err = got_fileindex_entry_alloc(&ie,
3285 ct->ondisk_path, pe->path, ct->blob_id->sha1,
3286 new_base_commit_id->sha1);
3289 err = got_fileindex_entry_add(fileindex, ie);
3297 static const struct got_error *
3298 check_ct_out_of_date(struct got_commitable *ct, struct got_repository *repo,
3299 struct got_object_id *head_commit_id)
3301 const struct got_error *err = NULL;
3302 struct got_object_id *id = NULL;
3303 struct got_commit_object *commit = NULL;
3304 const char *ct_path = ct->in_repo_path;
3306 while (ct_path[0] == '/')
3309 if (ct->status != GOT_STATUS_ADD) {
3310 /* Trivial case: base commit == head commit */
3311 if (got_object_id_cmp(ct->base_commit_id, head_commit_id) == 0)
3314 * Ensure file content which local changes were based
3315 * on matches file content in the branch head.
3317 err = got_object_id_by_path(&id, repo, head_commit_id, ct_path);
3319 if (err->code != GOT_ERR_NO_TREE_ENTRY)
3321 err = got_error(GOT_ERR_COMMIT_OUT_OF_DATE);
3323 } else if (got_object_id_cmp(id, ct->base_blob_id) != 0)
3324 err = got_error(GOT_ERR_COMMIT_OUT_OF_DATE);
3326 /* Require that added files don't exist in the branch head. */
3327 err = got_object_id_by_path(&id, repo, head_commit_id, ct_path);
3328 if (err && err->code != GOT_ERR_NO_TREE_ENTRY)
3330 err = id ? got_error(GOT_ERR_COMMIT_OUT_OF_DATE) : NULL;
3334 got_object_commit_close(commit);
3339 const struct got_error *
3340 commit_worktree(struct got_object_id **new_commit_id,
3341 struct got_pathlist_head *commitable_paths,
3342 struct got_object_id *head_commit_id, struct got_worktree *worktree,
3343 const char *ondisk_path, const char *author, const char *committer,
3344 got_worktree_commit_msg_cb commit_msg_cb, void *commit_arg,
3345 got_worktree_status_cb status_cb, void *status_arg,
3346 struct got_repository *repo)
3348 const struct got_error *err = NULL, *unlockerr = NULL;
3349 struct got_pathlist_entry *pe;
3350 const char *head_ref_name = NULL;
3351 struct got_commit_object *head_commit = NULL;
3352 struct got_reference *head_ref2 = NULL;
3353 struct got_object_id *head_commit_id2 = NULL;
3354 struct got_tree_object *head_tree = NULL;
3355 struct got_object_id *new_tree_id = NULL;
3356 struct got_object_id_queue parent_ids;
3357 struct got_object_qid *pid = NULL;
3358 char *logmsg = NULL;
3360 *new_commit_id = NULL;
3362 SIMPLEQ_INIT(&parent_ids);
3364 err = got_object_open_as_commit(&head_commit, repo, head_commit_id);
3368 err = got_object_open_as_tree(&head_tree, repo, head_commit->tree_id);
3372 if (commit_msg_cb != NULL) {
3373 err = commit_msg_cb(commitable_paths, &logmsg, commit_arg);
3378 if (logmsg == NULL || strlen(logmsg) == 0) {
3379 err = got_error(GOT_ERR_COMMIT_MSG_EMPTY);
3383 /* Create blobs from added and modified files and record their IDs. */
3384 TAILQ_FOREACH(pe, commitable_paths, entry) {
3385 struct got_commitable *ct = pe->data;
3388 if (ct->status != GOT_STATUS_ADD &&
3389 ct->status != GOT_STATUS_MODIFY)
3392 if (asprintf(&ondisk_path, "%s/%s",
3393 worktree->root_path, pe->path) == -1) {
3394 err = got_error_from_errno("asprintf");
3397 err = got_object_blob_create(&ct->blob_id, ondisk_path, repo);
3403 /* Recursively write new tree objects. */
3404 err = write_tree(&new_tree_id, head_tree, "/", commitable_paths,
3405 status_cb, status_arg, repo);
3409 err = got_object_qid_alloc(&pid, worktree->base_commit_id);
3412 SIMPLEQ_INSERT_TAIL(&parent_ids, pid, entry);
3413 err = got_object_commit_create(new_commit_id, new_tree_id, &parent_ids,
3414 1, author, time(NULL), committer, time(NULL), logmsg, repo);
3415 got_object_qid_free(pid);
3421 /* Check if a concurrent commit to our branch has occurred. */
3422 head_ref_name = got_worktree_get_head_ref_name(worktree);
3423 if (head_ref_name == NULL) {
3424 err = got_error_from_errno("got_worktree_get_head_ref_name");
3427 /* Lock the reference here to prevent concurrent modification. */
3428 err = got_ref_open(&head_ref2, repo, head_ref_name, 1);
3431 err = got_ref_resolve(&head_commit_id2, repo, head_ref2);
3434 if (got_object_id_cmp(head_commit_id, head_commit_id2) != 0) {
3435 err = got_error(GOT_ERR_COMMIT_HEAD_CHANGED);
3438 /* Update branch head in repository. */
3439 err = got_ref_change_ref(head_ref2, *new_commit_id);
3442 err = got_ref_write(head_ref2, repo);
3446 err = got_worktree_set_base_commit_id(worktree, repo, *new_commit_id);
3450 err = ref_base_commit(worktree, repo);
3455 got_object_tree_close(head_tree);
3457 got_object_commit_close(head_commit);
3458 free(head_commit_id2);
3460 unlockerr = got_ref_unlock(head_ref2);
3461 if (unlockerr && err == NULL)
3463 got_ref_close(head_ref2);
3468 const struct got_error *
3469 got_worktree_commit(struct got_object_id **new_commit_id,
3470 struct got_worktree *worktree, const char *ondisk_path,
3471 const char *author, const char *committer,
3472 got_worktree_commit_msg_cb commit_msg_cb, void *commit_arg,
3473 got_worktree_status_cb status_cb, void *status_arg,
3474 struct got_repository *repo)
3476 const struct got_error *err = NULL, *unlockerr = NULL, *sync_err;
3477 struct got_fileindex *fileindex = NULL;
3478 char *fileindex_path = NULL, *relpath = NULL;
3479 struct got_pathlist_head commitable_paths;
3480 struct collect_commitables_arg cc_arg;
3481 struct got_pathlist_entry *pe;
3482 struct got_reference *head_ref = NULL;
3483 struct got_object_id *head_commit_id = NULL;
3485 *new_commit_id = NULL;
3487 TAILQ_INIT(&commitable_paths);
3489 err = lock_worktree(worktree, LOCK_EX);
3493 err = got_ref_open(&head_ref, repo, worktree->head_ref_name, 0);
3497 err = got_ref_resolve(&head_commit_id, repo, head_ref);
3502 if (strcmp(ondisk_path, worktree->root_path) == 0) {
3503 relpath = strdup("");
3504 if (relpath == NULL) {
3505 err = got_error_from_errno("strdup");
3509 err = got_path_skip_common_ancestor(&relpath,
3510 worktree->root_path, ondisk_path);
3516 err = open_fileindex(&fileindex, &fileindex_path, worktree);
3520 cc_arg.commitable_paths = &commitable_paths;
3521 cc_arg.worktree = worktree;
3523 err = worktree_status(worktree, relpath ? relpath : "",
3524 fileindex, repo, collect_commitables, &cc_arg, NULL, NULL);
3528 if (TAILQ_EMPTY(&commitable_paths)) {
3529 err = got_error(GOT_ERR_COMMIT_NO_CHANGES);
3533 TAILQ_FOREACH(pe, &commitable_paths, entry) {
3534 struct got_commitable *ct = pe->data;
3535 err = check_ct_out_of_date(ct, repo, head_commit_id);
3540 err = commit_worktree(new_commit_id, &commitable_paths,
3541 head_commit_id, worktree, ondisk_path, author, committer,
3542 commit_msg_cb, commit_arg, status_cb, status_arg, repo);
3546 err = update_fileindex_after_commit(&commitable_paths, *new_commit_id,
3548 sync_err = sync_fileindex(fileindex, fileindex_path);
3549 if (sync_err && err == NULL)
3553 got_fileindex_free(fileindex);
3554 free(fileindex_path);
3556 unlockerr = lock_worktree(worktree, LOCK_SH);
3557 if (unlockerr && err == NULL)
3559 TAILQ_FOREACH(pe, &commitable_paths, entry) {
3560 struct got_commitable *ct = pe->data;
3561 free_commitable(ct);
3563 got_pathlist_free(&commitable_paths);
3568 got_commitable_get_path(struct got_commitable *ct)
3574 got_commitable_get_status(struct got_commitable *ct)
3579 struct check_rebase_ok_arg {
3580 struct got_worktree *worktree;
3581 struct got_repository *repo;
3584 static const struct got_error *
3585 check_rebase_ok(void *arg, struct got_fileindex_entry *ie)
3587 const struct got_error *err = NULL;
3588 struct check_rebase_ok_arg *a = arg;
3589 unsigned char status;
3593 /* Reject rebase of a work tree with mixed base commits. */
3594 if (memcmp(ie->commit_sha1, a->worktree->base_commit_id->sha1,
3595 SHA1_DIGEST_LENGTH))
3596 return got_error(GOT_ERR_MIXED_COMMITS);
3598 if (asprintf(&ondisk_path, "%s/%s", a->worktree->root_path, ie->path)
3600 return got_error_from_errno("asprintf");
3602 /* Reject rebase of a work tree with modified or conflicted files. */
3603 err = get_file_status(&status, &sb, ie, ondisk_path, a->repo);
3608 if (status != GOT_STATUS_NO_CHANGE)
3609 return got_error(GOT_ERR_MODIFIED);
3614 const struct got_error *
3615 got_worktree_rebase_prepare(struct got_reference **new_base_branch_ref,
3616 struct got_reference **tmp_branch, struct got_fileindex **fileindex,
3617 struct got_worktree *worktree, struct got_reference *branch,
3618 struct got_repository *repo)
3620 const struct got_error *err = NULL;
3621 char *tmp_branch_name = NULL, *new_base_branch_ref_name = NULL;
3622 char *branch_ref_name = NULL;
3623 char *fileindex_path = NULL;
3624 struct check_rebase_ok_arg ok_arg;
3625 struct got_reference *wt_branch = NULL, *branch_ref = NULL;
3627 *new_base_branch_ref = NULL;
3631 err = lock_worktree(worktree, LOCK_EX);
3635 err = open_fileindex(fileindex, &fileindex_path, worktree);
3639 ok_arg.worktree = worktree;
3641 err = got_fileindex_for_each_entry_safe(*fileindex, check_rebase_ok,
3646 err = get_rebase_tmp_ref_name(&tmp_branch_name, worktree);
3650 err = get_newbase_symref_name(&new_base_branch_ref_name, worktree);
3654 err = get_rebase_branch_symref_name(&branch_ref_name, worktree);
3658 err = got_ref_open(&wt_branch, repo, worktree->head_ref_name,
3663 err = got_ref_alloc_symref(new_base_branch_ref,
3664 new_base_branch_ref_name, wt_branch);
3667 err = got_ref_write(*new_base_branch_ref, repo);
3671 /* TODO Lock original branch's ref while rebasing? */
3673 err = got_ref_alloc_symref(&branch_ref, branch_ref_name, branch);
3677 err = got_ref_write(branch_ref, repo);
3681 err = got_ref_alloc(tmp_branch, tmp_branch_name,
3682 worktree->base_commit_id);
3685 err = got_ref_write(*tmp_branch, repo);
3689 err = got_worktree_set_head_ref(worktree, *tmp_branch);
3693 free(fileindex_path);
3694 free(tmp_branch_name);
3695 free(new_base_branch_ref_name);
3696 free(branch_ref_name);
3698 got_ref_close(branch_ref);
3700 got_ref_close(wt_branch);
3702 if (*new_base_branch_ref) {
3703 got_ref_close(*new_base_branch_ref);
3704 *new_base_branch_ref = NULL;
3707 got_ref_close(*tmp_branch);
3711 got_fileindex_free(*fileindex);
3714 lock_worktree(worktree, LOCK_SH);
3719 const struct got_error *
3720 got_worktree_rebase_continue(struct got_object_id **commit_id,
3721 struct got_reference **new_base_branch, struct got_reference **tmp_branch,
3722 struct got_reference **branch, struct got_fileindex **fileindex,
3723 struct got_worktree *worktree, struct got_repository *repo)
3725 const struct got_error *err;
3726 char *commit_ref_name = NULL, *new_base_branch_ref_name = NULL;
3727 char *tmp_branch_name = NULL, *branch_ref_name = NULL;
3728 struct got_reference *commit_ref = NULL, *branch_ref = NULL;
3729 char *fileindex_path = NULL;
3732 *new_base_branch = NULL;
3737 err = lock_worktree(worktree, LOCK_EX);
3741 err = open_fileindex(fileindex, &fileindex_path, worktree);
3745 err = get_rebase_tmp_ref_name(&tmp_branch_name, worktree);
3749 err = get_rebase_branch_symref_name(&branch_ref_name, worktree);
3753 err = get_rebase_commit_ref_name(&commit_ref_name, worktree);
3757 err = get_newbase_symref_name(&new_base_branch_ref_name, worktree);
3761 err = got_ref_open(&branch_ref, repo, branch_ref_name, 0);
3765 err = got_ref_open(branch, repo,
3766 got_ref_get_symref_target(branch_ref), 0);
3770 err = got_ref_open(&commit_ref, repo, commit_ref_name, 0);
3774 err = got_ref_resolve(commit_id, repo, commit_ref);
3778 err = got_ref_open(new_base_branch, repo,
3779 new_base_branch_ref_name, 0);
3783 err = got_ref_open(tmp_branch, repo, tmp_branch_name, 0);
3787 free(commit_ref_name);
3788 free(branch_ref_name);
3789 free(fileindex_path);
3791 got_ref_close(commit_ref);
3793 got_ref_close(branch_ref);
3798 got_ref_close(*tmp_branch);
3801 if (*new_base_branch) {
3802 got_ref_close(*new_base_branch);
3803 *new_base_branch = NULL;
3806 got_ref_close(*branch);
3810 got_fileindex_free(*fileindex);
3813 lock_worktree(worktree, LOCK_SH);
3818 const struct got_error *
3819 got_worktree_rebase_in_progress(int *in_progress, struct got_worktree *worktree)
3821 const struct got_error *err;
3822 char *tmp_branch_name = NULL;
3824 err = get_rebase_tmp_ref_name(&tmp_branch_name, worktree);
3828 *in_progress = (strcmp(tmp_branch_name, worktree->head_ref_name) == 0);
3829 free(tmp_branch_name);
3833 static const struct got_error *
3834 collect_rebase_commit_msg(struct got_pathlist_head *commitable_paths,
3835 char **logmsg, void *arg)
3841 static const struct got_error *
3842 rebase_status(void *arg, unsigned char status, const char *path,
3843 struct got_object_id *blob_id, struct got_object_id *commit_id)
3848 struct collect_merged_paths_arg {
3849 got_worktree_checkout_cb progress_cb;
3851 struct got_pathlist_head *merged_paths;
3854 static const struct got_error *
3855 collect_merged_paths(void *arg, unsigned char status, const char *path)
3857 const struct got_error *err;
3858 struct collect_merged_paths_arg *a = arg;
3860 struct got_pathlist_entry *new;
3862 err = (*a->progress_cb)(a->progress_arg, status, path);
3866 if (status != GOT_STATUS_MERGE &&
3867 status != GOT_STATUS_ADD &&
3868 status != GOT_STATUS_DELETE &&
3869 status != GOT_STATUS_CONFLICT)
3874 return got_error_from_errno("strdup");
3876 err = got_pathlist_insert(&new, a->merged_paths, p, NULL);
3877 if (err || new == NULL)
3883 got_worktree_rebase_pathlist_free(struct got_pathlist_head *merged_paths)
3885 struct got_pathlist_entry *pe;
3887 TAILQ_FOREACH(pe, merged_paths, entry)
3888 free((char *)pe->path);
3890 got_pathlist_free(merged_paths);
3893 static const struct got_error *
3894 store_commit_id(const char *commit_ref_name, struct got_object_id *commit_id,
3895 struct got_repository *repo)
3897 const struct got_error *err;
3898 struct got_reference *commit_ref = NULL;
3900 err = got_ref_open(&commit_ref, repo, commit_ref_name, 0);
3902 if (err->code != GOT_ERR_NOT_REF)
3904 err = got_ref_alloc(&commit_ref, commit_ref_name, commit_id);
3907 err = got_ref_write(commit_ref, repo);
3911 struct got_object_id *stored_id;
3914 err = got_ref_resolve(&stored_id, repo, commit_ref);
3917 cmp = got_object_id_cmp(commit_id, stored_id);
3920 err = got_error(GOT_ERR_REBASE_COMMITID);
3926 got_ref_close(commit_ref);
3930 static const struct got_error *
3931 rebase_merge_files(struct got_pathlist_head *merged_paths,
3932 const char *commit_ref_name, struct got_worktree *worktree,
3933 struct got_fileindex *fileindex, struct got_object_id *parent_commit_id,
3934 struct got_object_id *commit_id, struct got_repository *repo,
3935 got_worktree_checkout_cb progress_cb, void *progress_arg,
3936 got_worktree_cancel_cb cancel_cb, void *cancel_arg)
3938 const struct got_error *err;
3939 struct got_reference *commit_ref = NULL;
3940 struct collect_merged_paths_arg cmp_arg;
3941 char *fileindex_path;
3943 /* Work tree is locked/unlocked during rebase preparation/teardown. */
3945 err = get_fileindex_path(&fileindex_path, worktree);
3949 cmp_arg.progress_cb = progress_cb;
3950 cmp_arg.progress_arg = progress_arg;
3951 cmp_arg.merged_paths = merged_paths;
3952 err = merge_files(worktree, fileindex, fileindex_path,
3953 parent_commit_id, commit_id, repo, collect_merged_paths,
3954 &cmp_arg, cancel_cb, cancel_arg);
3956 got_ref_close(commit_ref);
3960 const struct got_error *
3961 got_worktree_rebase_merge_files(struct got_pathlist_head *merged_paths,
3962 struct got_worktree *worktree, struct got_fileindex *fileindex,
3963 struct got_object_id *parent_commit_id, struct got_object_id *commit_id,
3964 struct got_repository *repo,
3965 got_worktree_checkout_cb progress_cb, void *progress_arg,
3966 got_worktree_cancel_cb cancel_cb, void *cancel_arg)
3968 const struct got_error *err;
3969 char *commit_ref_name;
3971 err = get_rebase_commit_ref_name(&commit_ref_name, worktree);
3975 err = store_commit_id(commit_ref_name, commit_id, repo);
3979 err = rebase_merge_files(merged_paths, commit_ref_name, worktree,
3980 fileindex, parent_commit_id, commit_id, repo, progress_cb,
3981 progress_arg, cancel_cb, cancel_arg);
3983 free(commit_ref_name);
3987 const struct got_error *
3988 got_worktree_histedit_merge_files(struct got_pathlist_head *merged_paths,
3989 struct got_worktree *worktree, struct got_fileindex *fileindex,
3990 struct got_object_id *parent_commit_id, struct got_object_id *commit_id,
3991 struct got_repository *repo,
3992 got_worktree_checkout_cb progress_cb, void *progress_arg,
3993 got_worktree_cancel_cb cancel_cb, void *cancel_arg)
3995 const struct got_error *err;
3996 char *commit_ref_name;
3998 err = get_histedit_commit_ref_name(&commit_ref_name, worktree);
4002 err = store_commit_id(commit_ref_name, commit_id, repo);
4006 err = rebase_merge_files(merged_paths, commit_ref_name, worktree,
4007 fileindex, parent_commit_id, commit_id, repo, progress_cb,
4008 progress_arg, cancel_cb, cancel_arg);
4010 free(commit_ref_name);
4014 static const struct got_error *
4015 rebase_commit(struct got_object_id **new_commit_id,
4016 struct got_pathlist_head *merged_paths, struct got_reference *commit_ref,
4017 struct got_worktree *worktree, struct got_fileindex *fileindex,
4018 struct got_reference *tmp_branch, struct got_commit_object *orig_commit,
4019 const char *new_logmsg, struct got_repository *repo)
4021 const struct got_error *err, *sync_err;
4022 struct got_pathlist_head commitable_paths;
4023 struct collect_commitables_arg cc_arg;
4024 char *fileindex_path = NULL;
4025 struct got_reference *head_ref = NULL;
4026 struct got_object_id *head_commit_id = NULL;
4027 char *logmsg = NULL;
4029 TAILQ_INIT(&commitable_paths);
4030 *new_commit_id = NULL;
4032 /* Work tree is locked/unlocked during rebase preparation/teardown. */
4034 err = get_fileindex_path(&fileindex_path, worktree);
4038 cc_arg.commitable_paths = &commitable_paths;
4039 cc_arg.worktree = worktree;
4042 * If possible get the status of individual files directly to
4043 * avoid crawling the entire work tree once per rebased commit.
4044 * TODO: Ideally, merged_paths would contain a list of commitables
4045 * we could use so we could skip worktree_status() entirely.
4048 struct got_pathlist_entry *pe;
4049 if (TAILQ_EMPTY(merged_paths)) {
4050 err = got_error(GOT_ERR_NO_MERGED_PATHS);
4053 TAILQ_FOREACH(pe, merged_paths, entry) {
4054 err = worktree_status(worktree, pe->path, fileindex,
4055 repo, collect_commitables, &cc_arg, NULL, NULL);
4060 err = worktree_status(worktree, "", fileindex, repo,
4061 collect_commitables, &cc_arg, NULL, NULL);
4066 if (TAILQ_EMPTY(&commitable_paths)) {
4067 /* No-op change; commit will be elided. */
4068 err = got_ref_delete(commit_ref, repo);
4071 err = got_error(GOT_ERR_COMMIT_NO_CHANGES);
4075 err = got_ref_open(&head_ref, repo, worktree->head_ref_name, 0);
4079 err = got_ref_resolve(&head_commit_id, repo, head_ref);
4084 logmsg = strdup(new_logmsg);
4086 logmsg = strdup(got_object_commit_get_logmsg(orig_commit));
4088 return got_error_from_errno("strdup");
4090 err = commit_worktree(new_commit_id, &commitable_paths, head_commit_id,
4091 worktree, NULL, got_object_commit_get_author(orig_commit),
4092 got_object_commit_get_committer(orig_commit),
4093 collect_rebase_commit_msg, logmsg, rebase_status, NULL, repo);
4097 err = got_ref_change_ref(tmp_branch, *new_commit_id);
4101 err = got_ref_delete(commit_ref, repo);
4105 err = update_fileindex_after_commit(&commitable_paths, *new_commit_id,
4107 sync_err = sync_fileindex(fileindex, fileindex_path);
4108 if (sync_err && err == NULL)
4111 free(fileindex_path);
4112 free(head_commit_id);
4114 got_ref_close(head_ref);
4116 free(*new_commit_id);
4117 *new_commit_id = NULL;
4122 const struct got_error *
4123 got_worktree_rebase_commit(struct got_object_id **new_commit_id,
4124 struct got_pathlist_head *merged_paths, struct got_worktree *worktree,
4125 struct got_fileindex *fileindex, struct got_reference *tmp_branch,
4126 struct got_commit_object *orig_commit,
4127 struct got_object_id *orig_commit_id, struct got_repository *repo)
4129 const struct got_error *err;
4130 char *commit_ref_name;
4131 struct got_reference *commit_ref = NULL;
4132 struct got_object_id *commit_id = NULL;
4134 err = get_rebase_commit_ref_name(&commit_ref_name, worktree);
4138 err = got_ref_open(&commit_ref, repo, commit_ref_name, 0);
4141 err = got_ref_resolve(&commit_id, repo, commit_ref);
4144 if (got_object_id_cmp(commit_id, orig_commit_id) != 0) {
4145 err = got_error(GOT_ERR_REBASE_COMMITID);
4149 err = rebase_commit(new_commit_id, merged_paths, commit_ref,
4150 worktree, fileindex, tmp_branch, orig_commit, NULL, repo);
4153 got_ref_close(commit_ref);
4154 free(commit_ref_name);
4159 const struct got_error *
4160 got_worktree_histedit_commit(struct got_object_id **new_commit_id,
4161 struct got_pathlist_head *merged_paths, struct got_worktree *worktree,
4162 struct got_fileindex *fileindex, struct got_reference *tmp_branch,
4163 struct got_commit_object *orig_commit,
4164 struct got_object_id *orig_commit_id, const char *new_logmsg,
4165 struct got_repository *repo)
4167 const struct got_error *err;
4168 char *commit_ref_name;
4169 struct got_reference *commit_ref = NULL;
4170 struct got_object_id *commit_id = NULL;
4172 err = get_histedit_commit_ref_name(&commit_ref_name, worktree);
4176 err = got_ref_open(&commit_ref, repo, commit_ref_name, 0);
4179 err = got_ref_resolve(&commit_id, repo, commit_ref);
4182 if (got_object_id_cmp(commit_id, orig_commit_id) != 0) {
4183 err = got_error(GOT_ERR_HISTEDIT_COMMITID);
4187 err = rebase_commit(new_commit_id, merged_paths, commit_ref,
4188 worktree, fileindex, tmp_branch, orig_commit, new_logmsg, repo);
4191 got_ref_close(commit_ref);
4192 free(commit_ref_name);
4197 const struct got_error *
4198 got_worktree_rebase_postpone(struct got_worktree *worktree,
4199 struct got_fileindex *fileindex)
4202 got_fileindex_free(fileindex);
4203 return lock_worktree(worktree, LOCK_SH);
4206 static const struct got_error *
4207 delete_ref(const char *name, struct got_repository *repo)
4209 const struct got_error *err;
4210 struct got_reference *ref;
4212 err = got_ref_open(&ref, repo, name, 0);
4214 if (err->code == GOT_ERR_NOT_REF)
4219 err = got_ref_delete(ref, repo);
4224 static const struct got_error *
4225 delete_rebase_refs(struct got_worktree *worktree, struct got_repository *repo)
4227 const struct got_error *err;
4228 char *tmp_branch_name = NULL, *new_base_branch_ref_name = NULL;
4229 char *branch_ref_name = NULL, *commit_ref_name = NULL;
4231 err = get_rebase_tmp_ref_name(&tmp_branch_name, worktree);
4234 err = delete_ref(tmp_branch_name, repo);
4238 err = get_newbase_symref_name(&new_base_branch_ref_name, worktree);
4241 err = delete_ref(new_base_branch_ref_name, repo);
4245 err = get_rebase_branch_symref_name(&branch_ref_name, worktree);
4248 err = delete_ref(branch_ref_name, repo);
4252 err = get_rebase_commit_ref_name(&commit_ref_name, worktree);
4255 err = delete_ref(commit_ref_name, repo);
4260 free(tmp_branch_name);
4261 free(new_base_branch_ref_name);
4262 free(branch_ref_name);
4263 free(commit_ref_name);
4267 const struct got_error *
4268 got_worktree_rebase_complete(struct got_worktree *worktree,
4269 struct got_fileindex *fileindex, struct got_reference *new_base_branch,
4270 struct got_reference *tmp_branch, struct got_reference *rebased_branch,
4271 struct got_repository *repo)
4273 const struct got_error *err, *unlockerr;
4274 struct got_object_id *new_head_commit_id = NULL;
4276 err = got_ref_resolve(&new_head_commit_id, repo, tmp_branch);
4280 err = got_ref_change_ref(rebased_branch, new_head_commit_id);
4284 err = got_ref_write(rebased_branch, repo);
4288 err = got_worktree_set_head_ref(worktree, rebased_branch);
4292 err = delete_rebase_refs(worktree, repo);
4295 got_fileindex_free(fileindex);
4296 free(new_head_commit_id);
4297 unlockerr = lock_worktree(worktree, LOCK_SH);
4298 if (unlockerr && err == NULL)
4303 struct collect_revertible_paths_arg {
4304 struct got_pathlist_head *revertible_paths;
4305 struct got_worktree *worktree;
4308 static const struct got_error *
4309 collect_revertible_paths(void *arg, unsigned char status, const char *relpath,
4310 struct got_object_id *blob_id, struct got_object_id *commit_id)
4312 struct collect_revertible_paths_arg *a = arg;
4313 const struct got_error *err = NULL;
4314 struct got_pathlist_entry *new = NULL;
4317 if (status != GOT_STATUS_ADD &&
4318 status != GOT_STATUS_DELETE &&
4319 status != GOT_STATUS_MODIFY &&
4320 status != GOT_STATUS_CONFLICT &&
4321 status != GOT_STATUS_MISSING)
4324 if (asprintf(&path, "%s/%s", a->worktree->root_path, relpath) == -1)
4325 return got_error_from_errno("asprintf");
4327 err = got_pathlist_insert(&new, a->revertible_paths, path, NULL);
4328 if (err || new == NULL)
4333 const struct got_error *
4334 got_worktree_rebase_abort(struct got_worktree *worktree,
4335 struct got_fileindex *fileindex, struct got_repository *repo,
4336 struct got_reference *new_base_branch,
4337 got_worktree_checkout_cb progress_cb, void *progress_arg)
4339 const struct got_error *err, *unlockerr, *sync_err;
4340 struct got_reference *resolved = NULL;
4341 struct got_object_id *commit_id = NULL;
4342 char *fileindex_path = NULL;
4343 struct got_pathlist_head revertible_paths;
4344 struct got_pathlist_entry *pe;
4345 struct collect_revertible_paths_arg crp_arg;
4346 struct got_object_id *tree_id = NULL;
4348 TAILQ_INIT(&revertible_paths);
4350 err = lock_worktree(worktree, LOCK_EX);
4354 err = got_ref_open(&resolved, repo,
4355 got_ref_get_symref_target(new_base_branch), 0);
4359 err = got_worktree_set_head_ref(worktree, resolved);
4364 * XXX commits to the base branch could have happened while
4365 * we were busy rebasing; should we store the original commit ID
4366 * when rebase begins and read it back here?
4368 err = got_ref_resolve(&commit_id, repo, resolved);
4372 err = got_worktree_set_base_commit_id(worktree, repo, commit_id);
4376 err = got_object_id_by_path(&tree_id, repo,
4377 worktree->base_commit_id, worktree->path_prefix);
4381 err = delete_rebase_refs(worktree, repo);
4385 err = get_fileindex_path(&fileindex_path, worktree);
4389 crp_arg.revertible_paths = &revertible_paths;
4390 crp_arg.worktree = worktree;
4391 err = worktree_status(worktree, "", fileindex, repo,
4392 collect_revertible_paths, &crp_arg, NULL, NULL);
4396 TAILQ_FOREACH(pe, &revertible_paths, entry) {
4397 err = revert_file(worktree, fileindex, pe->path,
4398 progress_cb, progress_arg, repo);
4403 err = checkout_files(worktree, fileindex, "", tree_id, NULL,
4404 repo, progress_cb, progress_arg, NULL, NULL);
4406 sync_err = sync_fileindex(fileindex, fileindex_path);
4407 if (sync_err && err == NULL)
4410 got_ref_close(resolved);
4414 got_fileindex_free(fileindex);
4415 free(fileindex_path);
4416 TAILQ_FOREACH(pe, &revertible_paths, entry)
4417 free((char *)pe->path);
4418 got_pathlist_free(&revertible_paths);
4420 unlockerr = lock_worktree(worktree, LOCK_SH);
4421 if (unlockerr && err == NULL)
4426 const struct got_error *
4427 got_worktree_histedit_prepare(struct got_reference **tmp_branch,
4428 struct got_reference **branch_ref, struct got_object_id **base_commit_id,
4429 struct got_fileindex **fileindex, struct got_worktree *worktree,
4430 struct got_repository *repo)
4432 const struct got_error *err = NULL;
4433 char *tmp_branch_name = NULL;
4434 char *branch_ref_name = NULL;
4435 char *base_commit_ref_name = NULL;
4436 char *fileindex_path = NULL;
4437 struct check_rebase_ok_arg ok_arg;
4438 struct got_reference *wt_branch = NULL;
4439 struct got_reference *base_commit_ref = NULL;
4443 *base_commit_id = NULL;
4446 err = lock_worktree(worktree, LOCK_EX);
4450 err = open_fileindex(fileindex, &fileindex_path, worktree);
4454 ok_arg.worktree = worktree;
4456 err = got_fileindex_for_each_entry_safe(*fileindex, check_rebase_ok,
4461 err = get_histedit_tmp_ref_name(&tmp_branch_name, worktree);
4465 err = get_histedit_branch_symref_name(&branch_ref_name, worktree);
4469 err = get_histedit_base_commit_ref_name(&base_commit_ref_name,
4474 err = got_ref_open(&wt_branch, repo, worktree->head_ref_name,
4479 err = got_ref_alloc_symref(branch_ref, branch_ref_name, wt_branch);
4483 err = got_ref_write(*branch_ref, repo);
4487 err = got_ref_alloc(&base_commit_ref, base_commit_ref_name,
4488 worktree->base_commit_id);
4491 err = got_ref_write(base_commit_ref, repo);
4494 *base_commit_id = got_object_id_dup(worktree->base_commit_id);
4495 if (*base_commit_id == NULL) {
4496 err = got_error_from_errno("got_object_id_dup");
4500 err = got_ref_alloc(tmp_branch, tmp_branch_name,
4501 worktree->base_commit_id);
4504 err = got_ref_write(*tmp_branch, repo);
4508 err = got_worktree_set_head_ref(worktree, *tmp_branch);
4512 free(fileindex_path);
4513 free(tmp_branch_name);
4514 free(branch_ref_name);
4515 free(base_commit_ref_name);
4517 got_ref_close(wt_branch);
4520 got_ref_close(*branch_ref);
4524 got_ref_close(*tmp_branch);
4527 free(*base_commit_id);
4529 got_fileindex_free(*fileindex);
4532 lock_worktree(worktree, LOCK_SH);
4537 const struct got_error *
4538 got_worktree_histedit_postpone(struct got_worktree *worktree,
4539 struct got_fileindex *fileindex)
4542 got_fileindex_free(fileindex);
4543 return lock_worktree(worktree, LOCK_SH);
4546 const struct got_error *
4547 got_worktree_histedit_in_progress(int *in_progress,
4548 struct got_worktree *worktree)
4550 const struct got_error *err;
4551 char *tmp_branch_name = NULL;
4553 err = get_histedit_tmp_ref_name(&tmp_branch_name, worktree);
4557 *in_progress = (strcmp(tmp_branch_name, worktree->head_ref_name) == 0);
4558 free(tmp_branch_name);
4562 const struct got_error *
4563 got_worktree_histedit_continue(struct got_object_id **commit_id,
4564 struct got_reference **tmp_branch, struct got_reference **branch_ref,
4565 struct got_object_id **base_commit_id, struct got_fileindex **fileindex,
4566 struct got_worktree *worktree, struct got_repository *repo)
4568 const struct got_error *err;
4569 char *commit_ref_name = NULL, *base_commit_ref_name = NULL;
4570 char *tmp_branch_name = NULL, *branch_ref_name = NULL;
4571 struct got_reference *commit_ref = NULL;
4572 struct got_reference *base_commit_ref = NULL;
4573 char *fileindex_path = NULL;
4577 *base_commit_id = NULL;
4580 err = lock_worktree(worktree, LOCK_EX);
4584 err = open_fileindex(fileindex, &fileindex_path, worktree);
4588 err = get_histedit_tmp_ref_name(&tmp_branch_name, worktree);
4592 err = get_histedit_branch_symref_name(&branch_ref_name, worktree);
4596 err = get_histedit_commit_ref_name(&commit_ref_name, worktree);
4600 err = get_histedit_base_commit_ref_name(&base_commit_ref_name,
4605 err = got_ref_open(branch_ref, repo, branch_ref_name, 0);
4609 err = got_ref_open(&commit_ref, repo, commit_ref_name, 0);
4612 err = got_ref_resolve(commit_id, repo, commit_ref);
4616 err = got_ref_open(&base_commit_ref, repo, base_commit_ref_name, 0);
4619 err = got_ref_resolve(base_commit_id, repo, base_commit_ref);
4623 err = got_ref_open(tmp_branch, repo, tmp_branch_name, 0);
4627 free(commit_ref_name);
4628 free(branch_ref_name);
4629 free(fileindex_path);
4631 got_ref_close(commit_ref);
4632 if (base_commit_ref)
4633 got_ref_close(base_commit_ref);
4637 free(*base_commit_id);
4638 *base_commit_id = NULL;
4640 got_ref_close(*tmp_branch);
4644 got_fileindex_free(*fileindex);
4647 lock_worktree(worktree, LOCK_EX);
4652 static const struct got_error *
4653 delete_histedit_refs(struct got_worktree *worktree, struct got_repository *repo)
4655 const struct got_error *err;
4656 char *tmp_branch_name = NULL, *base_commit_ref_name = NULL;
4657 char *branch_ref_name = NULL, *commit_ref_name = NULL;
4659 err = get_histedit_tmp_ref_name(&tmp_branch_name, worktree);
4662 err = delete_ref(tmp_branch_name, repo);
4666 err = get_histedit_base_commit_ref_name(&base_commit_ref_name,
4670 err = delete_ref(base_commit_ref_name, repo);
4674 err = get_histedit_branch_symref_name(&branch_ref_name, worktree);
4677 err = delete_ref(branch_ref_name, repo);
4681 err = get_histedit_commit_ref_name(&commit_ref_name, worktree);
4684 err = delete_ref(commit_ref_name, repo);
4688 free(tmp_branch_name);
4689 free(base_commit_ref_name);
4690 free(branch_ref_name);
4691 free(commit_ref_name);
4695 const struct got_error *
4696 got_worktree_histedit_abort(struct got_worktree *worktree,
4697 struct got_fileindex *fileindex, struct got_repository *repo,
4698 struct got_reference *branch, struct got_object_id *base_commit_id,
4699 got_worktree_checkout_cb progress_cb, void *progress_arg)
4701 const struct got_error *err, *unlockerr, *sync_err;
4702 struct got_reference *resolved = NULL;
4703 char *fileindex_path = NULL;
4704 struct got_pathlist_head revertible_paths;
4705 struct got_pathlist_entry *pe;
4706 struct collect_revertible_paths_arg crp_arg;
4707 struct got_object_id *tree_id = NULL;
4709 TAILQ_INIT(&revertible_paths);
4711 err = lock_worktree(worktree, LOCK_EX);
4715 err = got_ref_open(&resolved, repo,
4716 got_ref_get_symref_target(branch), 0);
4720 err = got_worktree_set_head_ref(worktree, resolved);
4724 err = got_worktree_set_base_commit_id(worktree, repo, base_commit_id);
4728 err = got_object_id_by_path(&tree_id, repo, base_commit_id,
4729 worktree->path_prefix);
4733 err = delete_histedit_refs(worktree, repo);
4737 err = get_fileindex_path(&fileindex_path, worktree);
4741 crp_arg.revertible_paths = &revertible_paths;
4742 crp_arg.worktree = worktree;
4743 err = worktree_status(worktree, "", fileindex, repo,
4744 collect_revertible_paths, &crp_arg, NULL, NULL);
4748 TAILQ_FOREACH(pe, &revertible_paths, entry) {
4749 err = revert_file(worktree, fileindex, pe->path,
4750 progress_cb, progress_arg, repo);
4755 err = checkout_files(worktree, fileindex, "", tree_id, NULL,
4756 repo, progress_cb, progress_arg, NULL, NULL);
4758 sync_err = sync_fileindex(fileindex, fileindex_path);
4759 if (sync_err && err == NULL)
4762 got_ref_close(resolved);
4764 free(fileindex_path);
4765 TAILQ_FOREACH(pe, &revertible_paths, entry)
4766 free((char *)pe->path);
4767 got_pathlist_free(&revertible_paths);
4769 unlockerr = lock_worktree(worktree, LOCK_SH);
4770 if (unlockerr && err == NULL)
4775 const struct got_error *
4776 got_worktree_histedit_complete(struct got_worktree *worktree,
4777 struct got_fileindex *fileindex, struct got_reference *tmp_branch,
4778 struct got_reference *edited_branch, struct got_repository *repo)
4780 const struct got_error *err, *unlockerr;
4781 struct got_object_id *new_head_commit_id = NULL;
4782 struct got_reference *resolved = NULL;
4784 err = got_ref_resolve(&new_head_commit_id, repo, tmp_branch);
4788 err = got_ref_open(&resolved, repo,
4789 got_ref_get_symref_target(edited_branch), 0);
4793 err = got_ref_change_ref(resolved, new_head_commit_id);
4797 err = got_ref_write(resolved, repo);
4801 err = got_worktree_set_head_ref(worktree, resolved);
4805 err = delete_histedit_refs(worktree, repo);
4808 got_fileindex_free(fileindex);
4809 free(new_head_commit_id);
4810 unlockerr = lock_worktree(worktree, LOCK_SH);
4811 if (unlockerr && err == NULL)
4816 const struct got_error *
4817 got_worktree_histedit_skip_commit(struct got_worktree *worktree,
4818 struct got_object_id *commit_id, struct got_repository *repo)
4820 const struct got_error *err;
4821 char *commit_ref_name;
4823 err = get_histedit_commit_ref_name(&commit_ref_name, worktree);
4827 err = store_commit_id(commit_ref_name, commit_id, repo);
4831 err = delete_ref(commit_ref_name, repo);
4833 free(commit_ref_name);