mktree: use parse-options

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

diff --git a/builtin-mktree.c b/builtin-mktree.c
index 3d054272d5f34e310fa619f183e46ee3a91ede75..2b3145bc725bc8c7948cc2229441130b8fe4027c 100644 (file)
--- a/builtin-mktree.c
+++ b/builtin-mktree.c
@@ -6,6 +6,7 @@
 #include "builtin.h"
 #include "quote.h"
 #include "tree.h"
+#include "parse-options.h"
 
 static struct treeent {
        unsigned mode;
@@ -61,7 +62,10 @@ static void write_tree(unsigned char *sha1)
        write_sha1_file(buf.buf, buf.len, tree_type, sha1);
 }
 
-static const char mktree_usage[] = "git mktree [-z]";
+static const char *mktree_usage[] = {
+       "git mktree [-z]",
+       NULL
+};
 
 int cmd_mktree(int ac, const char **av, const char *prefix)
 {
@@ -69,16 +73,12 @@ int cmd_mktree(int ac, const char **av, const char *prefix)
        struct strbuf p_uq = STRBUF_INIT;
        unsigned char sha1[20];
        int line_termination = '\n';
+       const struct option option[] = {
+               OPT_SET_INT('z', NULL, &line_termination, "input is NUL terminated", '\0'),
+               OPT_END()
+       };
 
-       while ((1 < ac) && av[1][0] == '-') {
-               const char *arg = av[1];
-               if (!strcmp("-z", arg))
-                       line_termination = 0;
-               else
-                       usage(mktree_usage);
-               ac--;
-               av++;
-       }
+       ac = parse_options(ac, av, option, mktree_usage, 0);
 
        while (strbuf_getline(&sb, stdin, line_termination) != EOF) {
                char *ptr, *ntr;