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-rw-r--r--worktree.c54
1 files changed, 52 insertions, 2 deletions
diff --git a/worktree.c b/worktree.c
index eb6121263b..0486e31ad4 100644
--- a/worktree.c
+++ b/worktree.c
@@ -145,7 +145,7 @@ done:
static void mark_current_worktree(struct worktree **worktrees)
{
- char *git_dir = xstrdup(absolute_path(get_git_dir()));
+ char *git_dir = absolute_pathdup(get_git_dir());
int i;
for (i = 0; worktrees[i]; i++) {
@@ -255,7 +255,7 @@ struct worktree *find_worktree(struct worktree **list,
return wt;
arg = prefix_filename(prefix, strlen(prefix), arg);
- path = xstrdup(real_path(arg));
+ path = real_pathdup(arg, 1);
for (; *list; list++)
if (!fspathcmp(path, real_path((*list)->path)))
break;
@@ -380,3 +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;
+}