make ' ' and '+' in filenames some kind of working

diff --git a/gitweb.cgi b/gitweb.cgi
index c477bf1..1482fec 100755 (executable)
--- a/gitweb.cgi
+++ b/gitweb.cgi
@@ -144,7 +144,7 @@ sub validate_input {
        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
                return undef;
        }
-       if ($input =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~]/) {
+       if ($input =~ m/[^a-zA-Z0-9_ \.\/\-\+\#\~]/) {
                return undef;
        }
        return $input;
@@ -209,8 +209,8 @@ if (!defined $action || $action eq "summary") {
 
 sub esc {
        my $str = shift;
-       $str =~ s/ /\+/g;
-       $str =~ s/\+/%2b/g;
+       $str =~ s/ /%20/g;
+       $str =~ s/\+/%2B/g;
        return $str;
 }
 
@@ -580,7 +580,7 @@ sub git_diff_print {
                close $fd;
        }
 
-       open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
+       open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
        if ($format eq "plain") {
                undef $/;
                print <$fd>;
@@ -2029,7 +2029,7 @@ sub git_history {
              "</div>\n";
        print "<div class=\"page_path\"><b>/$file_name</b><br/></div>\n";
 
-       open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
+       open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin \'$file_name\'";
        my $commit;
        print "<table cellspacing=\"0\">\n";
        my $alternate = 0;