run-command.c: squelch a "use before assignment" warning

diff --git a/builtin-gc.c b/builtin-gc.c
index f8eae4adb41d9c338c07aa161e7305bb16742a1e..7d3e9cc7a04e0aa3eb378cb54b7b71fe17981c95 100644 (file)
--- a/builtin-gc.c
+++ b/builtin-gc.c
@@ -23,7 +23,7 @@ static const char * const builtin_gc_usage[] = {
 };
 
 static int pack_refs = 1;
-static int aggressive_window = -1;
+static int aggressive_window = 250;
 static int gc_auto_threshold = 6700;
 static int gc_auto_pack_limit = 50;
 static const char *prune_expire = "2.weeks.ago";
@@ -144,34 +144,6 @@ static int too_many_packs(void)
        return gc_auto_pack_limit <= cnt;
 }
 
-static int run_hook(void)
-{
-       const char *argv[2];
-       struct child_process hook;
-       int ret;
-
-       argv[0] = git_path("hooks/pre-auto-gc");
-       argv[1] = NULL;
-
-       if (access(argv[0], X_OK) < 0)
-               return 0;
-
-       memset(&hook, 0, sizeof(hook));
-       hook.argv = argv;
-       hook.no_stdin = 1;
-       hook.stdout_to_stderr = 1;
-
-       ret = start_command(&hook);
-       if (ret) {
-               warning("Could not spawn %s", argv[0]);
-               return ret;
-       }
-       ret = finish_command(&hook);
-       if (ret == -ERR_RUN_COMMAND_WAITPID_SIGNAL)
-               warning("%s exited due to uncaught signal", argv[0]);
-       return ret;
-}
-
 static int need_to_gc(void)
 {
        /*
@@ -189,26 +161,28 @@ static int need_to_gc(void)
         */
        if (too_many_packs())
                append_option(argv_repack,
-                             !strcmp(prune_expire, "now") ? "-a" : "-A",
+                             prune_expire && !strcmp(prune_expire, "now") ?
+                             "-a" : "-A",
                              MAX_ADD);
        else if (!too_many_loose_objects())
                return 0;
 
-       if (run_hook())
+       if (run_hook(NULL, "pre-auto-gc", NULL))
                return 0;
        return 1;
 }
 
 int cmd_gc(int argc, const char **argv, const char *prefix)
 {
-       int prune = 0;
        int aggressive = 0;
        int auto_gc = 0;
        int quiet = 0;
        char buf[80];
 
        struct option builtin_gc_options[] = {
-               OPT_BOOLEAN(0, "prune", &prune, "prune unreferenced objects (deprecated)"),
+               { OPTION_STRING, 0, "prune", &prune_expire, "date",
+                       "prune unreferenced objects",
+                       PARSE_OPT_OPTARG, NULL, (intptr_t)prune_expire },
                OPT_BOOLEAN(0, "aggressive", &aggressive, "be more thorough (increased runtime)"),
                OPT_BOOLEAN(0, "auto", &auto_gc, "enable auto-gc mode"),
                OPT_BOOLEAN('q', "quiet", &quiet, "suppress progress reports"),
@@ -220,12 +194,14 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
        if (pack_refs < 0)
                pack_refs = !is_bare_repository();
 
-       argc = parse_options(argc, argv, builtin_gc_options, builtin_gc_usage, 0);
+       argc = parse_options(argc, argv, prefix, builtin_gc_options,
+                            builtin_gc_usage, 0);
        if (argc > 0)
                usage_with_options(builtin_gc_usage, builtin_gc_options);
 
        if (aggressive) {
                append_option(argv_repack, "-f", MAX_ADD);
+               append_option(argv_repack, "--depth=250", MAX_ADD);
                if (aggressive_window > 0) {
                        sprintf(buf, "--window=%d", aggressive_window);
                        append_option(argv_repack, buf, MAX_ADD);
@@ -246,7 +222,8 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
                        "\"git help gc\" for more information.\n");
        } else
                append_option(argv_repack,
-                             !strcmp(prune_expire, "now") ? "-a" : "-A",
+                             prune_expire && !strcmp(prune_expire, "now")
+                             ? "-a" : "-A",
                              MAX_ADD);
 
        if (pack_refs && run_command_v_opt(argv_pack_refs, RUN_GIT_CMD))
@@ -258,9 +235,11 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
        if (run_command_v_opt(argv_repack, RUN_GIT_CMD))
                return error(FAILED_RUN, argv_repack[0]);
 
-       argv_prune[2] = prune_expire;
-       if (run_command_v_opt(argv_prune, RUN_GIT_CMD))
-               return error(FAILED_RUN, argv_prune[0]);
+       if (prune_expire) {
+               argv_prune[2] = prune_expire;
+               if (run_command_v_opt(argv_prune, RUN_GIT_CMD))
+                       return error(FAILED_RUN, argv_prune[0]);
+       }
 
        if (run_command_v_opt(argv_rerere, RUN_GIT_CMD))
                return error(FAILED_RUN, argv_rerere[0]);