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-rw-r--r--worktree.c181
1 files changed, 154 insertions, 27 deletions
diff --git a/worktree.c b/worktree.c
index 6b4f5f3..d633761 100644
--- a/worktree.c
+++ b/worktree.c
@@ -13,6 +13,7 @@ void free_worktrees(struct worktree **worktrees)
free(worktrees[i]->path);
free(worktrees[i]->id);
free(worktrees[i]->head_ref);
+ free(worktrees[i]->lock_reason);
free(worktrees[i]);
}
free (worktrees);
@@ -87,19 +88,13 @@ static struct worktree *get_main_worktree(void)
strbuf_addf(&path, "%s/HEAD", get_git_common_dir());
- if (parse_ref(path.buf, &head_ref, &is_detached) < 0)
- goto done;
-
- worktree = xmalloc(sizeof(struct worktree));
+ worktree = xcalloc(1, sizeof(*worktree));
worktree->path = strbuf_detach(&worktree_path, NULL);
- worktree->id = NULL;
worktree->is_bare = is_bare;
- worktree->head_ref = NULL;
worktree->is_detached = is_detached;
- worktree->is_current = 0;
- add_head_info(&head_ref, worktree);
+ if (!parse_ref(path.buf, &head_ref, &is_detached))
+ add_head_info(&head_ref, worktree);
-done:
strbuf_release(&path);
strbuf_release(&worktree_path);
strbuf_release(&head_ref);
@@ -135,13 +130,10 @@ static struct worktree *get_linked_worktree(const char *id)
if (parse_ref(path.buf, &head_ref, &is_detached) < 0)
goto done;
- worktree = xmalloc(sizeof(struct worktree));
+ worktree = xcalloc(1, sizeof(*worktree));
worktree->path = strbuf_detach(&worktree_path, NULL);
worktree->id = xstrdup(id);
- worktree->is_bare = 0;
- worktree->head_ref = NULL;
worktree->is_detached = is_detached;
- worktree->is_current = 0;
add_head_info(&head_ref, worktree);
done:
@@ -153,24 +145,29 @@ done:
static void mark_current_worktree(struct worktree **worktrees)
{
- struct strbuf git_dir = STRBUF_INIT;
- struct strbuf path = STRBUF_INIT;
+ char *git_dir = absolute_pathdup(get_git_dir());
int i;
- strbuf_addstr(&git_dir, absolute_path(get_git_dir()));
for (i = 0; worktrees[i]; i++) {
struct worktree *wt = worktrees[i];
- strbuf_addstr(&path, absolute_path(get_worktree_git_dir(wt)));
- wt->is_current = !fspathcmp(git_dir.buf, path.buf);
- strbuf_reset(&path);
- if (wt->is_current)
+ const char *wt_git_dir = get_worktree_git_dir(wt);
+
+ if (!fspathcmp(git_dir, absolute_path(wt_git_dir))) {
+ wt->is_current = 1;
break;
+ }
}
- strbuf_release(&git_dir);
- strbuf_release(&path);
+ free(git_dir);
+}
+
+static int compare_worktree(const void *a_, const void *b_)
+{
+ const struct worktree *const *a = a_;
+ const struct worktree *const *b = b_;
+ return fspathcmp((*a)->path, (*b)->path);
}
-struct worktree **get_worktrees(void)
+struct worktree **get_worktrees(unsigned flags)
{
struct worktree **list = NULL;
struct strbuf path = STRBUF_INIT;
@@ -180,8 +177,7 @@ struct worktree **get_worktrees(void)
list = xmalloc(alloc * sizeof(struct worktree *));
- if ((list[counter] = get_main_worktree()))
- counter++;
+ list[counter++] = get_main_worktree();
strbuf_addf(&path, "%s/worktrees", get_git_common_dir());
dir = opendir(path.buf);
@@ -189,7 +185,7 @@ struct worktree **get_worktrees(void)
if (dir) {
while ((d = readdir(dir)) != NULL) {
struct worktree *linked = NULL;
- if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
+ if (is_dot_or_dotdot(d->d_name))
continue;
if ((linked = get_linked_worktree(d->d_name))) {
@@ -202,6 +198,13 @@ struct worktree **get_worktrees(void)
ALLOC_GROW(list, counter + 1, alloc);
list[counter] = NULL;
+ if (flags & GWT_SORT_LINKED)
+ /*
+ * don't sort the first item (main worktree), which will
+ * always be the first
+ */
+ QSORT(list + 1, counter - 1, compare_worktree);
+
mark_current_worktree(list);
return list;
}
@@ -216,6 +219,78 @@ const char *get_worktree_git_dir(const struct worktree *wt)
return git_common_path("worktrees/%s", wt->id);
}
+static struct worktree *find_worktree_by_suffix(struct worktree **list,
+ const char *suffix)
+{
+ struct worktree *found = NULL;
+ int nr_found = 0, suffixlen;
+
+ suffixlen = strlen(suffix);
+ if (!suffixlen)
+ return NULL;
+
+ for (; *list && nr_found < 2; list++) {
+ const char *path = (*list)->path;
+ int pathlen = strlen(path);
+ int start = pathlen - suffixlen;
+
+ /* suffix must start at directory boundary */
+ if ((!start || (start > 0 && is_dir_sep(path[start - 1]))) &&
+ !fspathcmp(suffix, path + start)) {
+ found = *list;
+ nr_found++;
+ }
+ }
+ return nr_found == 1 ? found : NULL;
+}
+
+struct worktree *find_worktree(struct worktree **list,
+ const char *prefix,
+ const char *arg)
+{
+ struct worktree *wt;
+ char *path;
+
+ if ((wt = find_worktree_by_suffix(list, arg)))
+ return wt;
+
+ arg = prefix_filename(prefix, strlen(prefix), arg);
+ path = real_pathdup(arg);
+ for (; *list; list++)
+ if (!fspathcmp(path, real_path((*list)->path)))
+ break;
+ free(path);
+ return *list;
+}
+
+int is_main_worktree(const struct worktree *wt)
+{
+ return !wt->id;
+}
+
+const char *is_worktree_locked(struct worktree *wt)
+{
+ assert(!is_main_worktree(wt));
+
+ if (!wt->lock_reason_valid) {
+ struct strbuf path = STRBUF_INIT;
+
+ strbuf_addstr(&path, worktree_git_path(wt, "locked"));
+ if (file_exists(path.buf)) {
+ struct strbuf lock_reason = STRBUF_INIT;
+ if (strbuf_read_file(&lock_reason, path.buf, 0) < 0)
+ die_errno(_("failed to read '%s'"), path.buf);
+ strbuf_trim(&lock_reason);
+ wt->lock_reason = strbuf_detach(&lock_reason, NULL);
+ } else
+ wt->lock_reason = NULL;
+ wt->lock_reason_valid = 1;
+ strbuf_release(&path);
+ }
+
+ return wt->lock_reason;
+}
+
int is_worktree_being_rebased(const struct worktree *wt,
const char *target)
{
@@ -266,10 +341,12 @@ const struct worktree *find_shared_symref(const char *symref,
if (worktrees)
free_worktrees(worktrees);
- worktrees = get_worktrees();
+ worktrees = get_worktrees(0);
for (i = 0; worktrees[i]; i++) {
struct worktree *wt = worktrees[i];
+ if (wt->is_bare)
+ continue;
if (wt->is_detached && !strcmp(symref, "HEAD")) {
if (is_worktree_being_rebased(wt, target)) {
@@ -303,3 +380,53 @@ const struct worktree *find_shared_symref(const char *symref,
return existing;
}
+
+int submodule_uses_worktrees(const char *path)
+{
+ char *submodule_gitdir;
+ struct strbuf sb = STRBUF_INIT;
+ DIR *dir;
+ struct dirent *d;
+ int ret = 0;
+ struct repository_format format;
+
+ submodule_gitdir = git_pathdup_submodule(path, "%s", "");
+ if (!submodule_gitdir)
+ return 0;
+
+ /* The env would be set for the superproject. */
+ get_common_dir_noenv(&sb, submodule_gitdir);
+
+ /*
+ * The check below is only known to be good for repository format
+ * version 0 at the time of writing this code.
+ */
+ strbuf_addstr(&sb, "/config");
+ read_repository_format(&format, sb.buf);
+ if (format.version != 0) {
+ strbuf_release(&sb);
+ return 1;
+ }
+
+ /* Replace config by worktrees. */
+ strbuf_setlen(&sb, sb.len - strlen("config"));
+ strbuf_addstr(&sb, "worktrees");
+
+ /* See if there is any file inside the worktrees directory. */
+ dir = opendir(sb.buf);
+ strbuf_release(&sb);
+ free(submodule_gitdir);
+
+ if (!dir)
+ return 0;
+
+ while ((d = readdir(dir)) != NULL) {
+ if (is_dot_or_dotdot(d->d_name))
+ continue;
+
+ ret = 1;
+ break;
+ }
+ closedir(dir);
+ return ret;
+}
generated by cgit v0.10.2-6-g49f6 at 2024-04-24 06:27:01 (GMT)