build-in git-mktree

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Makefile

@@ -332,7 +332,6 @@ PROGRAMS += git-index-pack$X
 PROGRAMS += git-merge-index$X
 PROGRAMS += git-merge-tree$X
 PROGRAMS += git-mktag$X
-PROGRAMS += git-mktree$X
 PROGRAMS += git-pack-redundant$X
 PROGRAMS += git-patch-id$X
 PROGRAMS += git-shell$X
@@ -586,6 +585,7 @@ BUILTIN_OBJS += builtin-merge-base.o
 BUILTIN_OBJS += builtin-merge-file.o
 BUILTIN_OBJS += builtin-merge-ours.o
 BUILTIN_OBJS += builtin-merge-recursive.o
+BUILTIN_OBJS += builtin-mktree.o
 BUILTIN_OBJS += builtin-mv.o
 BUILTIN_OBJS += builtin-name-rev.o
 BUILTIN_OBJS += builtin-pack-objects.o

builtin-mktree.c

@@ -1,12 +1,11 @@
 /*
  * GIT - the stupid content tracker
  *
- * Copyright (c) Junio C Hamano, 2006
+ * Copyright (c) Junio C Hamano, 2006, 2009
  */
-#include "cache.h"
+#include "builtin.h"
 #include "quote.h"
 #include "tree.h"
-#include "exec_cmd.h"
 
 static struct treeent {
 	unsigned mode;
@@ -64,19 +63,15 @@ static void write_tree(unsigned char *sha1)
 
 static const char mktree_usage[] = "git mktree [-z]";
 
-int main(int ac, char **av)
+int cmd_mktree(int ac, const char **av, const char *prefix)
 {
 	struct strbuf sb = STRBUF_INIT;
 	struct strbuf p_uq = STRBUF_INIT;
 	unsigned char sha1[20];
 	int line_termination = '\n';
 
-	git_extract_argv0_path(av[0]);
-
-	setup_git_directory();
-
 	while ((1 < ac) && av[1][0] == '-') {
-		char *arg = av[1];
+		const char *arg = av[1];
 		if (!strcmp("-z", arg))
 			line_termination = 0;
 		else
@@ -92,8 +87,9 @@ int main(int ac, char **av)
 		char *path;
 
 		ptr = sb.buf;
-		/* Input is non-recursive ls-tree output format
-		 * mode SP type SP sha1 TAB name
+		/*
+		 * Read non-recursive ls-tree output format:
+		 *     mode SP type SP sha1 TAB name
 		 */
 		mode = strtoul(ptr, &ntr, 8);
 		if (ptr == ntr || !ntr || *ntr != ' ')

builtin.h

@@ -72,6 +72,7 @@ extern int cmd_merge_base(int argc, const char **argv, const char *prefix);
 extern int cmd_merge_ours(int argc, const char **argv, const char *prefix);
 extern int cmd_merge_file(int argc, const char **argv, const char *prefix);
 extern int cmd_merge_recursive(int argc, const char **argv, const char *prefix);
+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);

git.c

@@ -327,6 +327,7 @@ static void handle_internal_command(int argc, const char **argv)
 		{ "merge-ours", cmd_merge_ours, RUN_SETUP },
 		{ "merge-recursive", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
 		{ "merge-subtree", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
+		{ "mktree", cmd_mktree, RUN_SETUP },
 		{ "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE },
 		{ "name-rev", cmd_name_rev, RUN_SETUP },
 		{ "pack-objects", cmd_pack_objects, RUN_SETUP },