http: update base URLs when we see redirects

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 1309196d27e675013825cdac8afd6d7328e44b1f..f429f75897ed10684d017aeaeb93f1c9d9478e0b 100755 (executable)
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -85,6 +85,9 @@ sub evaluate_uri {
 # 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++"
@@ -683,7 +686,7 @@ sub evaluate_gitweb_config {
        our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "++GITWEB_CONFIG_SYSTEM++";
        our $GITWEB_CONFIG_COMMON = $ENV{'GITWEB_CONFIG_COMMON'} || "++GITWEB_CONFIG_COMMON++";
 
-       # Protect agains duplications of file names, to not read config twice.
+       # Protect against duplications of file names, to not read config twice.
        # Only one of $GITWEB_CONFIG and $GITWEB_CONFIG_SYSTEM is used, so
        # there possibility of duplication of filename there doesn't matter.
        $GITWEB_CONFIG = ""        if ($GITWEB_CONFIG eq $GITWEB_CONFIG_COMMON);
@@ -1086,7 +1089,7 @@ sub evaluate_and_validate_params {
        our $search_use_regexp = $input_params{'search_use_regexp'};
 
        our $searchtext = $input_params{'searchtext'};
-       our $search_regexp;
+       our $search_regexp = undef;
        if (defined $searchtext) {
                if (length($searchtext) < 2) {
                        die_error(403, "At least two characters are required for search parameter");
@@ -1136,7 +1139,7 @@ sub handle_errors_html {
 
        # to avoid infinite loop where error occurs in die_error,
        # change handler to default handler, disabling handle_errors_html
-       set_message("Error occured when inside die_error:\n$msg");
+       set_message("Error occurred when inside die_error:\n$msg");
 
        # you cannot jump out of die_error when called as error handler;
        # the subroutine set via CGI::Carp::set_message is called _after_
@@ -3982,7 +3985,9 @@ sub print_nav_breadcrumbs_path {
 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;
@@ -7485,7 +7490,7 @@ sub git_object {
                system(git_cmd(), "cat-file", '-e', $hash_base) == 0
                        or die_error(404, "Base object does not exist");
 
-               # here errors should not hapen
+               # here errors should not happen
                open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name
                        or die_error(500, "Open git-ls-tree failed");
                my $line = <$fd>;