Fixes for option parsing

Make sure "git show" always show the header, regardless of whether there
is a diff or not.

Also, make sure "always_show_header" actually works, since generate_header
only tested it in one out of three return paths.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 14 insertions, 4 deletions

diff --git a/log-tree.c b/log-tree.c
index 7d9f41e..af36f70 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -43,7 +43,7 @@ static int diff_root_tree(struct rev_info *opt,
 	return retval;
 }
 
-static const char *generate_header(struct rev_info *opt,
+static const char *get_header(struct rev_info *opt,
 				   const unsigned char *commit_sha1,
 				   const unsigned char *parent_sha1,
 				   const struct commit *commit)
@@ -75,11 +75,21 @@ static const char *generate_header(struct rev_info *opt,
 	offset += pretty_print_commit(opt->commit_format, commit, len,
 				      this_header + offset,
 				      sizeof(this_header) - offset, abbrev);
+	return this_header;
+}
+
+static const char *generate_header(struct rev_info *opt,
+					const unsigned char *commit_sha1,
+					const unsigned char *parent_sha1,
+					const struct commit *commit)
+{
+	const char *header = get_header(opt, commit_sha1, parent_sha1, commit);
+
 	if (opt->always_show_header) {
-		puts(this_header);
-		return NULL;
+		puts(header);
+		header = NULL;
 	}
-	return this_header;
+	return header;
 }
 
 static int do_diff_combined(struct rev_info *opt, struct commit *commit)