struct worktree {
char *path;
char *id;
- char *head_ref;
+ char *head_ref; /* NULL if HEAD is broken or detached */
char *lock_reason; /* internal use */
unsigned char head_sha1[20];
int is_detached;
/* Functions for acting on the information about worktrees. */
+#define GWT_SORT_LINKED (1 << 0) /* keeps linked worktrees sorted */
+
/*
* Get the worktrees. The primary worktree will always be the first returned,
* and linked worktrees will be pointed to by 'next' in each subsequent
* The caller is responsible for freeing the memory from the returned
* worktree(s).
*/
-extern struct worktree **get_worktrees(void);
+extern struct worktree **get_worktrees(unsigned flags);
+
+/*
+ * Returns 1 if linked worktrees exist, 0 otherwise.
+ */
+extern int submodule_uses_worktrees(const char *path);
/*
* Return git dir of the worktree. Note that the path may be relative.