allow sorting of index page by project path, owner and age

diff --git a/gitweb.cgi b/gitweb.cgi
index 973702f..b0b515e 100755 (executable)
--- a/gitweb.cgi
+++ b/gitweb.cgi
@@ -15,7 +15,7 @@ use CGI::Carp qw(fatalsToBrowser);
 use Fcntl ':mode';
 
 my $cgi = new CGI;
-my $version =          "237";
+my $version =          "238";
 my $my_url =           $cgi->url();
 my $my_uri =           $cgi->url(-absolute => 1);
 my $rss_link = "";
@@ -56,6 +56,14 @@ if (defined $action) {
        }
 }
 
+my $order = $cgi->param('o');
+if (defined $order) {
+       if ($order =~ m/[^a-zA-Z0-9_]/) {
+               undef $order;
+               die_error(undef, "Invalid order parameter.");
+       }
+}
+
 my $project = $cgi->param('p');
 if (defined $project) {
        if ($project =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
@@ -314,7 +322,7 @@ sub git_footer_html {
                }
                print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
        } else {
-               print $cgi->a({-href => "$my_uri?a=opml", -class => "rss_logo"}, "RSS") . "\n";
+               print $cgi->a({-href => "$my_uri?a=opml", -class => "rss_logo"}, "OPML") . "\n";
        }
        print "</div>\n" .
              "</body>\n" .
@@ -753,9 +761,30 @@ sub git_read_projects {
 
 sub git_project_list {
        my @list = git_read_projects();
+       my @projects;
        if (!@list) {
                die_error(undef, "No project found.");
        }
+       foreach my $pr (@list) {
+               my $head = git_read_hash("$pr->{'path'}/HEAD");
+               if (!defined $head) {
+                       next;
+               }
+               $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
+               my %co = git_read_commit($head);
+               if (!%co) {
+                       next;
+               }
+               $pr->{'commit'} = \%co;
+               if (!defined $pr->{'descr'}) {
+                       my $descr = git_read_description($pr->{'path'}) || "";
+                       $pr->{'descr'} = chop_str($descr, 25, 5);
+               }
+               if (!defined $pr->{'owner'}) {
+                       $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
+               }
+               push @projects, $pr;
+       }
        git_header_html();
        if (-f $home_text) {
                print "<div class=\"index_include\">\n";
@@ -765,53 +794,52 @@ sub git_project_list {
                print "</div>\n";
        }
        print "<table cellspacing=\"0\">\n" .
-             "<tr>\n" .
-             "<th>Project</th>\n" .
-             "<th>Description</th>\n" .
-             "<th>Owner</th>\n" .
-             "<th>last change</th>\n" .
-             "<th></th>\n" .
+             "<tr>\n";
+       if (defined($order) && ($order eq "project")) {
+               @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
+               print "<th>Project</th>\n";
+       } else {
+               print "<th>" . $cgi->a({-class => "list", -href => "$my_uri?o=project"}, "Project") . "</th>\n";
+       }
+       print "<th>Description</th>\n";
+       if (defined($order) && ($order eq "owner")) {
+               @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
+               print "<th>Owner</th>\n";
+       } else {
+               print "<th>" . $cgi->a({-class => "list", -href => "$my_uri?o=owner"}, "Owner") . "</th>\n";
+       }
+       if (defined($order) && ($order eq "age")) {
+               @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
+               print "<th>last change</th>\n";
+       } else {
+               print "<th>" . $cgi->a({-class => "list", -href => "$my_uri?o=age"}, "last change") . "</th>\n";
+       }
+       print "<th></th>\n" .
              "</tr>\n";
        my $alternate = 0;
-       foreach my $pr (@list) {
-               my %proj = %$pr;
-               my $head = git_read_hash("$proj{'path'}/HEAD");
-               if (!defined $head) {
-                       next;
-               }
-               $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
-               my %co = git_read_commit($head);
-               if (!%co) {
-                       next;
-               }
-               my $descr = git_read_description($proj{'path'}) || "";
-               $descr = chop_str($descr, 25, 5);
-               # get directory owner if not already specified
-               if (!defined $proj{'owner'}) {
-                       $proj{'owner'} = get_file_owner("$projectroot/$proj{'path'}") || "";
-               }
+       foreach my $pr (@projects) {
                if ($alternate) {
                        print "<tr class=\"dark\">\n";
                } else {
                        print "<tr class=\"light\">\n";
                }
                $alternate ^= 1;
-               print "<td>" . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary", -class => "list"}, escapeHTML($proj{'path'})) . "</td>\n" .
-                     "<td>$descr</td>\n" .
-                     "<td><i>" . chop_str($proj{'owner'}, 15) . "</i></td>\n";
+               print "<td>" . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=summary", -class => "list"}, escapeHTML($pr->{'path'})) . "</td>\n" .
+                     "<td>$pr->{'descr'}</td>\n" .
+                     "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
                my $colored_age;
-               if ($co{'age'} < 60*60*2) {
-                       $colored_age = "<span style =\"color: #009900;\"><b><i>$co{'age_string'}</i></b></span>";
-               } elsif ($co{'age'} < 60*60*24*2) {
-                       $colored_age = "<span style =\"color: #009900;\"><i>$co{'age_string'}</i></span>";
+               if ($pr->{'commit'}{'age'} < 60*60*2) {
+                       $colored_age = "<span style =\"color: #009900;\"><b><i>$pr->{'commit'}{'age_string'}</i></b></span>";
+               } elsif ($pr->{'commit'}{'age'} < 60*60*24*2) {
+                       $colored_age = "<span style =\"color: #009900;\"><i>$pr->{'commit'}{'age_string'}</i></span>";
                } else {
-                       $colored_age = "<i>$co{'age_string'}</i>";
+                       $colored_age = "<i>$pr->{'commit'}{'age_string'}</i>";
                }
                print "<td>$colored_age</td>\n" .
                      "<td class=\"link\">" .
-                     $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary"}, "summary") .
-                     " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=shortlog"}, "shortlog") .
-                     " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=log"}, "log") .
+                     $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=summary"}, "summary") .
+                     " | " . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=shortlog"}, "shortlog") .
+                     " | " . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=log"}, "log") .
                      "</td>\n" .
                      "</tr>\n";
        }