autoconf: Add tests for memmem, strtoumax and mkdtemp functions

[thirdparty/git.git] / builtin-rerere.c

diff --git a/builtin-rerere.c b/builtin-rerere.c
index b8206744c12307b3efbdebc99e5bcdd4a8632212..74493237c9ca129cd7398963ace747a04a6bf6fd 100644 (file)
--- a/builtin-rerere.c
+++ b/builtin-rerere.c
@@ -389,18 +389,39 @@ static int is_rerere_enabled(void)
        return 1;
 }
 
-int cmd_rerere(int argc, const char **argv, const char *prefix)
+static int setup_rerere(struct path_list *merge_rr)
 {
-       struct path_list merge_rr = { NULL, 0, 0, 1 };
-       int i, fd = -1;
+       int fd;
 
        git_config(git_rerere_config);
        if (!is_rerere_enabled())
-               return 0;
+               return -1;
 
        merge_rr_path = xstrdup(git_path("rr-cache/MERGE_RR"));
        fd = hold_lock_file_for_update(&write_lock, merge_rr_path, 1);
-       read_rr(&merge_rr);
+       read_rr(merge_rr);
+       return fd;
+}
+
+int rerere(void)
+{
+       struct path_list merge_rr = { NULL, 0, 0, 1 };
+       int fd;
+
+       fd = setup_rerere(&merge_rr);
+       if (fd < 0)
+               return 0;
+       return do_plain_rerere(&merge_rr, fd);
+}
+
+int cmd_rerere(int argc, const char **argv, const char *prefix)
+{
+       struct path_list merge_rr = { NULL, 0, 0, 1 };
+       int i, fd;
+
+       fd = setup_rerere(&merge_rr);
+       if (fd < 0)
+               return 0;
 
        if (argc < 2)
                return do_plain_rerere(&merge_rr, fd);