Make git-unpack-objects a builtin

Signed-off-by: Matthias Kestenholz <matthias@spinlock.ch>
Signed-off-by: Junio C Hamano <junkio@cox.net>

Makefile

@@ -182,7 +182,7 @@ PROGRAMS = \
 	git-send-pack$X git-shell$X \
 	git-show-index$X git-ssh-fetch$X \
 	git-ssh-upload$X git-unpack-file$X \
-	git-unpack-objects$X git-update-server-info$X \
+	git-update-server-info$X \
 	git-upload-pack$X git-verify-pack$X \
 	git-symbolic-ref$X \
 	git-pack-redundant$X git-var$X \
@@ -198,7 +198,8 @@ BUILT_INS = git-log$X git-whatchanged$X git-show$X git-update-ref$X \
 	git-apply$X git-show-branch$X git-diff-files$X git-update-index$X \
 	git-diff-index$X git-diff-stages$X git-diff-tree$X git-cat-file$X \
 	git-fmt-merge-msg$X git-prune$X git-mv$X git-prune-packed$X \
-	git-repo-config$X git-name-rev$X git-pack-objects$X
+	git-repo-config$X git-name-rev$X git-pack-objects$X \
+	git-unpack-objects$X
 
 # what 'all' will build and 'install' will install, in gitexecdir
 ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS)
@@ -256,7 +257,7 @@ BUILTIN_OBJS = \
 	builtin-cat-file.o builtin-mailsplit.o builtin-stripspace.o \
 	builtin-update-ref.o builtin-fmt-merge-msg.o builtin-prune.o \
 	builtin-mv.o builtin-prune-packed.o builtin-repo-config.o \
-	builtin-name-rev.o builtin-pack-objects.o
+	builtin-name-rev.o builtin-pack-objects.o builtin-unpack-objects.o
 
 GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
 LIBS = $(GITLIBS) -lz

builtin-unpack-objects.c

@@ -1,3 +1,4 @@
+#include "builtin.h"
 #include "cache.h"
 #include "object.h"
 #include "delta.h"
@@ -260,13 +261,11 @@ static void unpack_all(void)
 		die("unresolved deltas left after unpacking");
 }
 
-int main(int argc, char **argv)
+int cmd_unpack_objects(int argc, const char **argv, const char *prefix)
 {
 	int i;
 	unsigned char sha1[20];
 
-	setup_git_directory();
-
 	quiet = !isatty(2);
 
 	for (i = 1 ; i < argc; i++) {

builtin.h

@@ -51,6 +51,7 @@ extern int cmd_mv(int argc, const char **argv, const char *prefix);
 extern int cmd_repo_config(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_unpack_objects(int argc, const char **argv, const char *prefix);
 
 extern int cmd_write_tree(int argc, const char **argv, const char *prefix);
 extern int write_tree(unsigned char *sha1, int missing_ok, const char *prefix);

git.c

@@ -267,6 +267,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
 		{ "repo-config", cmd_repo_config },
 		{ "name-rev", cmd_name_rev, NEEDS_PREFIX },
 		{ "pack-objects", cmd_pack_objects, NEEDS_PREFIX },
+		{ "unpack-objects", cmd_unpack_objects, NEEDS_PREFIX },
 	};
 	int i;