Make ce_uptodate() trustworthy again

diff --git a/builtin-remote.c b/builtin-remote.c
index c4945b870882834fdaa75fd3d65f664570f6a5da..277765b864202b2b6f20069e0cb3f95eaef4fcaa 100644 (file)
--- a/builtin-remote.c
+++ b/builtin-remote.c
@@ -16,6 +16,9 @@ static const char * const builtin_remote_usage[] = {
        "git remote [-v | --verbose] show [-n] <name>",
        "git remote prune [-n | --dry-run] <name>",
        "git remote [-v | --verbose] update [-p | --prune] [group | remote]",
+       "git remote set-url <name> <newurl> [<oldurl>]",
+       "git remote set-url --add <name> <newurl>",
+       "git remote set-url --delete <name> <url>",
        NULL
 };
 
@@ -54,6 +57,13 @@ static const char * const builtin_remote_update_usage[] = {
        NULL
 };
 
+static const char * const builtin_remote_seturl_usage[] = {
+       "git remote set-url [--push] <name> <newurl> [<oldurl>]",
+       "git remote set-url --add <name> <newurl>",
+       "git remote set-url --delete <name> <url>",
+       NULL
+};
+
 #define GET_REF_STATES (1<<0)
 #define GET_HEAD_NAMES (1<<1)
 #define GET_PUSH_REF_STATES (1<<2)
@@ -1255,6 +1265,92 @@ static int update(int argc, const char **argv)
        return run_command_v_opt(fetch_argv, RUN_GIT_CMD);
 }
 
+static int set_url(int argc, const char **argv)
+{
+       int i, push_mode = 0, add_mode = 0, delete_mode = 0;
+       int matches = 0, negative_matches = 0;
+       const char *remotename = NULL;
+       const char *newurl = NULL;
+       const char *oldurl = NULL;
+       struct remote *remote;
+       regex_t old_regex;
+       const char **urlset;
+       int urlset_nr;
+       struct strbuf name_buf = STRBUF_INIT;
+       struct option options[] = {
+               OPT_BOOLEAN('\0', "push", &push_mode,
+                           "manipulate push URLs"),
+               OPT_BOOLEAN('\0', "add", &add_mode,
+                           "add URL"),
+               OPT_BOOLEAN('\0', "delete", &delete_mode,
+                           "delete URLs"),
+               OPT_END()
+       };
+       argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
+                            PARSE_OPT_KEEP_ARGV0);
+
+       if (add_mode && delete_mode)
+               die("--add --delete doesn't make sense");
+
+       if (argc < 3 || argc > 4 || ((add_mode || delete_mode) && argc != 3))
+               usage_with_options(builtin_remote_seturl_usage, options);
+
+       remotename = argv[1];
+       newurl = argv[2];
+       if (argc > 3)
+               oldurl = argv[3];
+
+       if (delete_mode)
+               oldurl = newurl;
+
+       if (!remote_is_configured(remotename))
+               die("No such remote '%s'", remotename);
+       remote = remote_get(remotename);
+
+       if (push_mode) {
+               strbuf_addf(&name_buf, "remote.%s.pushurl", remotename);
+               urlset = remote->pushurl;
+               urlset_nr = remote->pushurl_nr;
+       } else {
+               strbuf_addf(&name_buf, "remote.%s.url", remotename);
+               urlset = remote->url;
+               urlset_nr = remote->url_nr;
+       }
+
+       /* Special cases that add new entry. */
+       if ((!oldurl && !delete_mode) || add_mode) {
+               if (add_mode)
+                       git_config_set_multivar(name_buf.buf, newurl,
+                               "^$", 0);
+               else
+                       git_config_set(name_buf.buf, newurl);
+               strbuf_release(&name_buf);
+               return 0;
+       }
+
+       /* Old URL specified. Demand that one matches. */
+       if (regcomp(&old_regex, oldurl, REG_EXTENDED))
+               die("Invalid old URL pattern: %s", oldurl);
+
+       for (i = 0; i < urlset_nr; i++)
+               if (!regexec(&old_regex, urlset[i], 0, NULL, 0))
+                       matches++;
+               else
+                       negative_matches++;
+       if (!delete_mode && !matches)
+               die("No such URL found: %s", oldurl);
+       if (delete_mode && !negative_matches && !push_mode)
+               die("Will not delete all non-push URLs");
+
+       regfree(&old_regex);
+
+       if (!delete_mode)
+               git_config_set_multivar(name_buf.buf, newurl, oldurl, 0);
+       else
+               git_config_set_multivar(name_buf.buf, NULL, oldurl, 1);
+       return 0;
+}
+
 static int get_one_entry(struct remote *remote, void *priv)
 {
        struct string_list *list = priv;
@@ -1334,6 +1430,8 @@ int cmd_remote(int argc, const char **argv, const char *prefix)
                result = rm(argc, argv);
        else if (!strcmp(argv[0], "set-head"))
                result = set_head(argc, argv);
+       else if (!strcmp(argv[0], "set-url"))
+               result = set_url(argc, argv);
        else if (!strcmp(argv[0], "show"))
                result = show(argc, argv);
        else if (!strcmp(argv[0], "prune"))