repack: add delta-islands support

diff --git a/builtin/config.c b/builtin/config.c
index 69e7270356c5a4da8372201ac80ec0d33e8909c2..2c93a289a7255c69260a806cc064f00170453531 100644 (file)
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -67,7 +67,7 @@ static int show_origin;
        { OPTION_CALLBACK, (s), (l), (v), NULL, (h), PARSE_OPT_NOARG | \
        PARSE_OPT_NONEG, option_parse_type, (i) }
 
-static struct option builtin_config_options[];
+static NORETURN void usage_builtin_config(void);
 
 static int option_parse_type(const struct option *opt, const char *arg,
                             int unset)
@@ -111,8 +111,7 @@ static int option_parse_type(const struct option *opt, const char *arg,
                 * --type=int'.
                 */
                error("only one type at a time.");
-               usage_with_options(builtin_config_usage,
-                       builtin_config_options);
+               usage_builtin_config();
        }
        *to_type = new_type;
 
@@ -157,11 +156,16 @@ static struct option builtin_config_options[] = {
        OPT_END(),
 };
 
+static NORETURN void usage_builtin_config(void)
+{
+       usage_with_options(builtin_config_usage, builtin_config_options);
+}
+
 static void check_argc(int argc, int min, int max) {
        if (argc >= min && argc <= max)
                return;
        error("wrong number of arguments");
-       usage_with_options(builtin_config_usage, builtin_config_options);
+       usage_builtin_config();
 }
 
 static void show_config_origin(struct strbuf *buf)
@@ -398,7 +402,7 @@ static char *normalize_value(const char *key, const char *value)
                return xstrdup(value);
        }
 
-       die("BUG: cannot normalize type %d", type);
+       BUG("cannot normalize type %d", type);
 }
 
 static int get_color_found;
@@ -596,12 +600,15 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        if (use_global_config + use_system_config + use_local_config +
            !!given_config_source.file + !!given_config_source.blob > 1) {
                error("only one config file at a time.");
-               usage_with_options(builtin_config_usage, builtin_config_options);
+               usage_builtin_config();
        }
 
        if (use_local_config && nongit)
                die(_("--local can only be used inside a git repository"));
 
+       if (given_config_source.blob && nongit)
+               die(_("--blob can only be used inside a git repository"));
+
        if (given_config_source.file &&
                        !strcmp(given_config_source.file, "-")) {
                given_config_source.file = NULL;
@@ -657,12 +664,12 @@ int cmd_config(int argc, const char **argv, const char *prefix)
 
        if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && type) {
                error("--get-color and variable type are incoherent");
-               usage_with_options(builtin_config_usage, builtin_config_options);
+               usage_builtin_config();
        }
 
        if (HAS_MULTI_BITS(actions)) {
                error("only one action at a time.");
-               usage_with_options(builtin_config_usage, builtin_config_options);
+               usage_builtin_config();
        }
        if (actions == 0)
                switch (argc) {
@@ -670,25 +677,24 @@ int cmd_config(int argc, const char **argv, const char *prefix)
                case 2: actions = ACTION_SET; break;
                case 3: actions = ACTION_SET_ALL; break;
                default:
-                       usage_with_options(builtin_config_usage, builtin_config_options);
+                       usage_builtin_config();
                }
        if (omit_values &&
            !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
                error("--name-only is only applicable to --list or --get-regexp");
-               usage_with_options(builtin_config_usage, builtin_config_options);
+               usage_builtin_config();
        }
 
        if (show_origin && !(actions &
                (ACTION_GET|ACTION_GET_ALL|ACTION_GET_REGEXP|ACTION_LIST))) {
                error("--show-origin is only applicable to --get, --get-all, "
                          "--get-regexp, and --list.");
-               usage_with_options(builtin_config_usage, builtin_config_options);
+               usage_builtin_config();
        }
 
        if (default_value && !(actions & ACTION_GET)) {
                error("--default is only applicable to --get");
-               usage_with_options(builtin_config_usage,
-                       builtin_config_options);
+               usage_builtin_config();
        }
 
        if (actions & PAGING_ACTIONS)