worktree.c: add is_worktree_locked()

diff --git a/worktree.h b/worktree.h
index e1c4715238488c46599c3f3b940a9bbc2ecbecde..90e1311fa73fa6bdde5249d68818eacb6dc8edd0 100644 (file)
--- a/worktree.h
+++ b/worktree.h
@@ -5,10 +5,12 @@ struct worktree {
        char *path;
        char *id;
        char *head_ref;
+       char *lock_reason;      /* internal use */
        unsigned char head_sha1[20];
        int is_detached;
        int is_bare;
        int is_current;
+       int lock_reason_valid;
 };
 
 /* Functions for acting on the information about worktrees. */
@@ -42,6 +44,12 @@ extern struct worktree *find_worktree(struct worktree **list,
  */
 extern int is_main_worktree(const struct worktree *wt);
 
+/*
+ * Return the reason string if the given worktree is locked or NULL
+ * otherwise.
+ */
+extern const char *is_worktree_locked(struct worktree *wt);
+
 /*
  * Free up the memory for worktree(s)
  */