lock_ref_for_update(): avoid a symref resolution

diff --git a/rerere.h b/rerere.h
index 2956c2edf2f0f88bd9fb15682e31e3478df44a03..c2961feaaa8a8297d59fb13b120c1a57c8a2868a 100644 (file)
--- a/rerere.h
+++ b/rerere.h
@@ -7,6 +7,7 @@ struct pathspec;
 
 #define RERERE_AUTOUPDATE   01
 #define RERERE_NOAUTOUPDATE 02
+#define RERERE_READONLY     04
 
 /*
  * Marks paths that have been hand-resolved and added to the
@@ -15,9 +16,21 @@ struct pathspec;
  */
 extern void *RERERE_RESOLVED;
 
+struct rerere_dir;
+struct rerere_id {
+       struct rerere_dir *collection;
+       int variant;
+};
+
 extern int setup_rerere(struct string_list *, int);
 extern int rerere(int);
-extern const char *rerere_path(const char *hex, const char *file);
+/*
+ * Given the conflict ID and the name of a "file" used for replaying
+ * the recorded resolution (e.g. "preimage", "postimage"), return the
+ * path to that filesystem entity.  With "file" specified with NULL,
+ * return the path to the directory that houses these files.
+ */
+extern const char *rerere_path(const struct rerere_id *, const char *file);
 extern int rerere_forget(struct pathspec *);
 extern int rerere_remaining(struct string_list *);
 extern void rerere_clear(struct string_list *);