refactor duplicated code in builtin-send-pack.c and transport.c

diff --git a/builtin-rerere.c b/builtin-rerere.c
index 343d6cde48266d63c0aa6826b973e55b48820745..34f9acee910406c7ba0bf9eed76267a0cf8f46c2 100644 (file)
--- a/builtin-rerere.c
+++ b/builtin-rerere.c
@@ -48,6 +48,8 @@ static void garbage_collect(struct string_list *rr)
 
        git_config(git_rerere_gc_config, NULL);
        dir = opendir(git_path("rr-cache"));
+       if (!dir)
+               die_errno("unable to open rr-cache directory");
        while ((e = readdir(dir))) {
                if (is_dot_or_dotdot(e->d_name))
                        continue;
@@ -101,15 +103,29 @@ static int diff_two(const char *file1, const char *label1,
 int cmd_rerere(int argc, const char **argv, const char *prefix)
 {
        struct string_list merge_rr = { NULL, 0, 0, 1 };
-       int i, fd;
-
+       int i, fd, flags = 0;
+
+       if (2 < argc) {
+               if (!strcmp(argv[1], "-h"))
+                       usage(git_rerere_usage);
+               if (!strcmp(argv[1], "--rerere-autoupdate"))
+                       flags = RERERE_AUTOUPDATE;
+               else if (!strcmp(argv[1], "--no-rerere-autoupdate"))
+                       flags = RERERE_NOAUTOUPDATE;
+               if (flags) {
+                       argc--;
+                       argv++;
+               }
+       }
        if (argc < 2)
-               return rerere();
+               return rerere(flags);
 
-       if (!strcmp(argv[1], "-h"))
-               usage(git_rerere_usage);
+       if (!strcmp(argv[1], "forget")) {
+               const char **pathspec = get_pathspec(prefix, argv + 2);
+               return rerere_forget(pathspec);
+       }
 
-       fd = setup_rerere(&merge_rr);
+       fd = setup_rerere(&merge_rr, flags);
        if (fd < 0)
                return 0;