Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
worktree.c | 18 ++++++++++++++++++
worktree.h | 6 ++++++
2 files changed, 24 insertions(+)
diff --git a/worktree.c b/worktree.c
index e526e25..37eec09 100644
--- a/worktree.c
+++ b/worktree.c
@@ -219,6 +219,24 @@ int is_main_worktree(const struct worktree *wt)
return wt && !wt->id;
}
+const char *is_worktree_locked(const struct worktree *wt)
+{
+ static struct strbuf sb = STRBUF_INIT;
+
+ if (!file_exists(git_common_path("worktrees/%s/locked", wt->id)))
+ return NULL;
+
+ strbuf_reset(&sb);
+ if (strbuf_read_file(&sb,
+ git_common_path("worktrees/%s/locked", wt->id),
+ 0) < 0)
+ die_errno(_("failed to read '%s'"),
+ git_common_path("worktrees/%s/locked", wt->id));
+
+ strbuf_rtrim(&sb);
+ return sb.buf;
+}
+
static int report(int quiet, const char *fmt, ...)
{
va_list params;
diff --git a/worktree.h b/worktree.h
index bbe40ef..cbd5389 100644
--- a/worktree.h
+++ b/worktree.h
@@ -39,6 +39,12 @@ extern struct worktree *find_worktree_by_path(struct worktree **list,
extern int is_main_worktree(const struct worktree *wt);
/*
+ * Return the reason string if the given worktree is locked. Return
+ * NULL otherwise.
+ */
+extern const char *is_worktree_locked(const struct worktree *wt);
+
+/*
* Return zero if the worktree is in good condition.
*/
extern int validate_worktree(const struct worktree *wt, int quiet);
--
2.8.0.rc0.210.gd302cd2
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