revision: add rev_input_given flag

diff --git a/worktree.h b/worktree.h
index 6bfb985203070e3051f82348568840f5577bf0dc..5ea5e503fbe491a76d3c8ce279b7e281a5d07d3e 100644 (file)
--- a/worktree.h
+++ b/worktree.h
@@ -4,7 +4,7 @@
 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;