+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use DBI;
+use Data::Dumper;
+
+use vars qw($dbhost $dbname $dbuser $dbpass $dbport
+);
+require "$ENV{BFConfDir}/BuildFarmWeb.pl";
+
+die "no dbname" unless $dbname;
+die "no dbuser" unless $dbuser;
+
+my $dsn="dbi:Pg:dbname=$dbname";
+$dsn .= ";host=$dbhost" if $dbhost;
+$dsn .= ";port=$dbport" if $dbport;
+
+my $db = DBI->connect($dsn,$dbuser,$dbpass);
+
+die $DBI::errstr unless $db;
+
+my ($brhandle,@branches_of_interest);
+if (open($brhandle,"$ENV{BFConfDir}/htdocs/branches_of_interest.txt"))
+{
+ @branches_of_interest = <$brhandle>;
+ close($brhandle);
+ chomp(@branches_of_interest);
+}
+
+my $sth = $db->prepare(q[
+ SELECT DISTINCT ON (sysname,branch)
+ sysname,branch
+ FROM build_status AS s
+ JOIN buildsystems AS b ON (s.sysname = b.name)
+ ORDER BY sysname, branch ASC
+ ]);
+$sth->execute();
+
+my $del_sth = $db->prepare(q[
+ DELETE FROM build_status
+ WHERE sysname = ?
+ AND branch = ?
+ ]);
+my $del_dash_sth = $db->prepare(q[
+ DELETE FROM dashboard_mat
+ WHERE sysname = ?
+ AND branch = ?
+ ]);
+
+while (my $row = $sth->fetchrow_hashref)
+{
+ my $sysname = $row->{sysname};
+ my $branch = $row->{branch};
+ print "Considering $sysname:$branch\n";
+ unless (grep {$_ eq $branch} @branches_of_interest)
+ {
+ print "** Delete branch $branch\n";
+ $del_sth->execute($sysname,$branch);
+ $del_dash_sth->execute($sysname,$branch);
+ }
+}
+$db->disconnect();