[PATCH 2/2] gitweb: Remove git_to_hash function

[Jakub Narebski <jnareb@gmail.com>]

Remove git_to_hash function, which was to translate symbolic reference
to hash, and it's use in git_blobdiff.  We don't try so hard to guess
filename if it was not provided.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
---
 gitweb/gitweb.perl |   27 +++------------------------
 1 files changed, 3 insertions(+), 24 deletions(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 99c74f1..ae18c27 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -635,26 +635,6 @@ sub git_get_hash_by_path {
 	return $3;
 }
 
-# converts symbolic name to hash
-sub git_to_hash {
-	my @params = @_;
-	return undef unless @params;
-
-	open my $fd, "-|", $GIT, "rev-parse", @params
-		or return undef;
-	my @hashes = map { chomp; $_ } <$fd>;
-	close $fd;
-
-	if (wantarray) {
-		return @hashes;
-	} elsif (scalar(@hashes) == 1) {
-		# single hash
-		return $hashes[0];
-	} else {
-		return \@hashes;
-	}
-}
-
 ## ......................................................................
 ## git utility functions, directly accessing git repository
 
@@ -2739,10 +2719,9 @@ sub git_blobdiff {
 			@difftree
 				or die_error('404 Not Found', "Blob diff not found");
 
-		} elsif (defined $hash) { # try to find filename from $hash
-			if ($hash !~ /[0-9a-fA-F]{40}/) {
-				$hash = git_to_hash($hash);
-			}
+		} elsif (defined $hash &&
+		         $hash =~ /[0-9a-fA-F]{40}/) {
+			# try to find filename from $hash
 
 			# read filtered raw output
 			open $fd, "-|", $GIT, "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base
-- 
1.4.1.1