Bug 233967 Bonsai showing stale pages

r=kiko

webtools/bonsai/cvsblame.cgi

@@ -180,6 +180,7 @@ if (defined $::FORM{data}) {
 }
 
 print "Last-Modified: ".time2str("%a, %d %b %Y %T %Z", str2time($::revision_ctime{$::opt_rev}), "GMT")."\n";
+print "Expires: ".time2str("%a, %d %b %Y %T %Z", time+1200, "GMT")."\n";
 print "\n"; 
 #ENDHEADERS!!
 

webtools/bonsai/cvslog.cgi

@@ -140,6 +140,7 @@ if ($browse_revtag eq 'HEAD') {
 }
 print "Content-Type:text/html\n";
 print "Last-Modified: ".time2str("%a, %d %b %Y %T %Z", str2time($::revision_ctime{$start_rev}), "GMT")."\n";
+print "Expires: ".time2str("%a, %d %b %Y %T %Z", time+1200, "GMT")."\n";
 print "\n";
 
 # Handle the "mark" argument

webtools/bonsai/cvsview2.cgi

@@ -207,6 +207,7 @@ sub http_lastmod {
     my $lm2=str2time($::revision_ctime{$opt_rev2});
     $lm = $lm2 if $lm2 > $lm;
     print "Last-Modified: ".time2str("%a, %d %b %Y %T %Z", $lm, "GMT")."\n";
+    print "Expires: ".time2str("%a, %d %b %Y %T %Z", time+1200, "GMT")."\n";
     print $request->header();
     print "\n";
 }