checkout: notice when the switched branch is behind or forked

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 32c19070216383a4ec20217b040b9f9e77ec5c45..6256641ace0cb2a3b362503437f6126487096fc5 100755 (executable)
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1511,7 +1511,7 @@ sub config_to_int {
 sub config_to_multi {
        my $val = shift;
 
-       return ref($val) ? $val : [ $val ];
+       return ref($val) ? $val : (defined($val) ? [ $val ] : []);
 }
 
 sub git_get_project_config {
@@ -4290,7 +4290,7 @@ sub git_blob {
        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
                or die_error(undef, "Couldn't cat $file_name, $hash");
        my $mimetype = blob_mimetype($fd, $file_name);
-       if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)!) {
+       if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)! && -B $fd) {
                close $fd;
                return git_blob_plain($mimetype);
        }
@@ -4331,16 +4331,7 @@ sub git_blob {
        }
        git_print_page_path($file_name, "blob", $hash_base);
        print "<div class=\"page_body\">\n";
-       if ($mimetype =~ m!^text/!) {
-               my $nr;
-               while (my $line = <$fd>) {
-                       chomp $line;
-                       $nr++;
-                       $line = untabify($line);
-                       printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
-                              $nr, $nr, $nr, esc_html($line, -nbsp=>1);
-               }
-       } elsif ($mimetype =~ m!^image/!) {
+       if ($mimetype =~ m!^image/!) {
                print qq!<img type="$mimetype"!;
                if ($file_name) {
                        print qq! alt="$file_name" title="$file_name"!;
@@ -4349,6 +4340,15 @@ sub git_blob {
                      href(action=>"blob_plain", hash=>$hash,
                           hash_base=>$hash_base, file_name=>$file_name) .
                      qq!" />\n!;
+       } else {
+               my $nr;
+               while (my $line = <$fd>) {
+                       chomp $line;
+                       $nr++;
+                       $line = untabify($line);
+                       printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
+                              $nr, $nr, $nr, esc_html($line, -nbsp=>1);
+               }
        }
        close $fd
                or print "Reading blob failed.\n";