1 file changed, 7 insertions, 0 deletions
diff --git a/source/ui-shared.h b/source/ui-shared.h
index 67f39ef..fa8d8dd 100644
--- a/source/ui-shared.h
+++ b/source/ui-shared.h
@@ -135,6 +135,13 @@ extern struct commit *cgit_get_commit(const char *rev, struct object_id *oid);
  */
 extern int cgit_get_old_oid(const char *old_rev, const struct commit *commit, struct object_id *oid);
 
+/*
+ * Start rev's walk, or print the error page and return non-zero when git
+ * cannot. A failed setup leaves the walk holding freed commits, so the caller
+ * must not read from it then.
+ */
+extern int cgit_prepare_walk(struct rev_info *rev);
+
 extern void cgit_print_filemode(unsigned short mode);
 extern void cgit_print_snapshot_links(const struct cgit_repo *repo, const char *ref,
 	const char *separator);