[PATCH v4 5/6] tag: use pgp_verify_function in tag -v call

[santiago@nyu.edu]

From: Santiago Torres <santiago@nyu.edu>

Instead of running the verify-tag plumbing command, we use the
pgp_verify_tag(). This avoids the usage of an extra fork call. To do
this, we extend the number of parameters that tag.c takes, and
verify-tag passes. Redundant calls done in the pgp_verify_tag function
are removed.

Signed-off-by: Santiago Torres <santiago@nyu.edu>
---
	Note: This follows Peff's suggestion to use an adapter, instead of 
changing the the fn* pointer structure to match gpg_verify_tag.

 builtin/tag.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/builtin/tag.c b/builtin/tag.c
index 1705c94..f4450f8 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -104,13 +104,7 @@ static int delete_tag(const char *name, const char *ref,
 static int verify_tag(const char *name, const char *ref,
 				const unsigned char *sha1)
 {
-	const char *argv_verify_tag[] = {"verify-tag",
-					"-v", "SHA1_HEX", NULL};
-	argv_verify_tag[2] = sha1_to_hex(sha1);
-
-	if (run_command_v_opt(argv_verify_tag, RUN_GIT_CMD))
-		return error(_("could not verify the tag '%s'"), name);
-	return 0;
+	return gpg_verify_tag(name, GPG_VERIFY_VERBOSE);
 }
 
 static int do_sign(struct strbuf *buffer)
-- 
2.8.0