gitweb: allow extra breadcrumbs to prefix the trail

There are often parent pages logically above the gitweb projects
list, e.g. home pages of the organization and department that host
the gitweb server. This change allows you to include links to those
pages in gitweb's breadcrumb trail.

Signed-off-by: Tony Finch <redacted>
Reviewed-by: Jonathan Nieder <redacted>
Acked-by: Jakub Narebski <redacted>
Signed-off-by: Junio C Hamano <redacted>

diff --git a/gitweb.perl b/gitweb.perl
index 412ef1208433f5b6af8757940c667d14c7d4b6a0b074ac67d01c1e75ef819c3c..a1138c1f9cd629f3d3d078a4982be608564c9b6fde16ab2b6bf873d98cd67b58 100755 (executable)
--- a/gitweb.perl
+++ b/gitweb.perl
@@ -85,6 +85,9 @@ our $project_maxdepth = "++GITWEB_PROJECT_MAXDEPTH++";
 # string of the home link on top of all pages
 our $home_link_str = "++GITWEB_HOME_LINK_STR++";
 
 # string of the home link on top of all pages
 our $home_link_str = "++GITWEB_HOME_LINK_STR++";
 

+# extra breadcrumbs preceding the home link
+our @extra_breadcrumbs = ();
+

 # name of your site or organization to appear in page titles
 # replace this with something more descriptive for clearer bookmarks
 our $site_name = "++GITWEB_SITENAME++"
 # name of your site or organization to appear in page titles
 # replace this with something more descriptive for clearer bookmarks
 our $site_name = "++GITWEB_SITENAME++"


@@ -3983,7 +3986,9 @@ sub print_nav_breadcrumbs_path {
 sub print_nav_breadcrumbs {
        my %opts = @_;
 
 sub print_nav_breadcrumbs {
        my %opts = @_;
 

-       print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / ";
+       for my $crumb (@extra_breadcrumbs, [ $home_link_str => $home_link ]) {
+               print $cgi->a({-href => esc_url($crumb->[1])}, $crumb->[0]) . " / ";
+       }

        if (defined $project) {
                my @dirname = split '/', $project;
                my $projectbasename = pop @dirname;
        if (defined $project) {
                my @dirname = split '/', $project;
                my $projectbasename = pop @dirname;