[PATCHv6 2/4] gitweb: change call pattern for git_commitdiff

[Giuseppe Bilotta <giuseppe.bilotta@gmail.com>]

Since we are going to introduce an additional parameter for
git_commitdiff to tune patch view, we switch to named/hash-based
parameter passing for clarity and robustness.
---
 gitweb/gitweb.perl |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 1006dfe..18d43e7 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -5412,7 +5412,8 @@ sub git_blobdiff_plain {
 }
 
 sub git_commitdiff {
-	my $format = shift || 'html';
+	my %params = @_;
+	my $format = $params{-format} || 'html';
 
 	my $patch_max;
 	if ($format eq 'patch') {
@@ -5620,12 +5621,12 @@ sub git_commitdiff {
 }
 
 sub git_commitdiff_plain {
-	git_commitdiff('plain');
+	git_commitdiff(-format => 'plain');
 }
 
 # format-patch-style patches
 sub git_patch {
-	git_commitdiff('patch');
+	git_commitdiff(-format => 'patch');
 }
 
 sub git_history {
-- 
1.5.6.5