make "git pack-redundant" a built-in

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Makefile

@@ -389,7 +389,6 @@ PROGRAMS += $(EXTRA_PROGRAMS)
 PROGRAMS += git-fast-import$X
 PROGRAMS += git-imap-send$X
 PROGRAMS += git-index-pack$X
-PROGRAMS += git-pack-redundant$X
 PROGRAMS += git-shell$X
 PROGRAMS += git-show-index$X
 PROGRAMS += git-upload-pack$X
@@ -673,6 +672,7 @@ BUILTIN_OBJS += builtin-mktree.o
 BUILTIN_OBJS += builtin-mv.o
 BUILTIN_OBJS += builtin-name-rev.o
 BUILTIN_OBJS += builtin-pack-objects.o
+BUILTIN_OBJS += builtin-pack-redundant.o
 BUILTIN_OBJS += builtin-pack-refs.o
 BUILTIN_OBJS += builtin-patch-id.o
 BUILTIN_OBJS += builtin-prune-packed.o

builtin-pack-redundant.c

@@ -568,7 +568,7 @@ static struct pack_list * add_pack(struct packed_git *p)
 		return pack_list_insert(&altodb_packs, &l);
 }
 
-static struct pack_list * add_pack_file(char *filename)
+static struct pack_list * add_pack_file(const char *filename)
 {
 	struct packed_git *p = packed_git;
 
@@ -593,7 +593,7 @@ static void load_all(void)
 	}
 }
 
-int main(int argc, char **argv)
+int cmd_pack_redundant(int argc, const char **argv, const char *prefix)
 {
 	int i;
 	struct pack_list *min, *red, *pl;
@@ -601,13 +601,9 @@ int main(int argc, char **argv)
 	unsigned char *sha1;
 	char buf[42]; /* 40 byte sha1 + \n + \0 */
 
-	git_extract_argv0_path(argv[0]);
-
 	if (argc == 2 && !strcmp(argv[1], "-h"))
 		usage(pack_redundant_usage);
 
-	setup_git_directory();
-
 	for (i = 1; i < argc; i++) {
 		const char *arg = argv[i];
 		if (!strcmp(arg, "--")) {

builtin.h

@@ -78,6 +78,7 @@ extern int cmd_mktree(int argc, const char **argv, const char *prefix);
 extern int cmd_mv(int argc, const char **argv, const char *prefix);
 extern int cmd_name_rev(int argc, const char **argv, const char *prefix);
 extern int cmd_pack_objects(int argc, const char **argv, const char *prefix);
+extern int cmd_pack_redundant(int argc, const char **argv, const char *prefix);
 extern int cmd_patch_id(int argc, const char **argv, const char *prefix);
 extern int cmd_pickaxe(int argc, const char **argv, const char *prefix);
 extern int cmd_prune(int argc, const char **argv, const char *prefix);

git.c

@@ -343,6 +343,7 @@ static void handle_internal_command(int argc, const char **argv)
 		{ "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE },
 		{ "name-rev", cmd_name_rev, RUN_SETUP },
 		{ "pack-objects", cmd_pack_objects, RUN_SETUP },
+		{ "pack-redundant", cmd_pack_redundant, RUN_SETUP },
 		{ "patch-id", cmd_patch_id },
 		{ "peek-remote", cmd_ls_remote },
 		{ "pickaxe", cmd_blame, RUN_SETUP },