winetest: Show the short date in the title of per-build pages.

[Francois Gouget]

This makes it easier to not mix up tabs when multiple build result pages are open.
---

Note that I couldn't test this patch and it's a bit more complex than 
the others. So test carfully before applying it.

 winetest/gather | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/winetest/gather b/winetest/gather
index 97a5a37..b16dcf6 100755
--- a/winetest/gather
+++ b/winetest/gather
@@ -422,6 +422,7 @@ EOF
 
 my $header_footer=build_header_footer(\@groups);
 my $short_build = substr($build,0,12);
+my $timestamp = `git log --max-count=1 --pretty="format:%ct" "$build^0" 2>/dev/null`
 
 my $legend =
 "<div class=\"legend\">
@@ -661,6 +662,9 @@ EOF
 
     if (defined $group)
     {
+        my @date = gmtime($timestamp);
+        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
+
         print OUT "<div class=\"navbar\">\n";
         print OUT "<a href=\"/site?testing=prev&group=$group_name&current=$build\">prev</a>";
         print OUT " | <a href=\"/site?testing=next&group=$group_name&current=$build\">next</a>";
@@ -668,7 +672,7 @@ EOF
         print OUT " | <a href=\"..\">index</a>\n";
         print OUT "<script type=\"text/javascript\" src=\"/summary.js\"></script>\n</div>\n";
         print OUT "<div class=\"group\">\n";
-        print OUT "<h1>$group_name results for build <a href=\".\" title=\"$build\">$short_build</a></h1>\n";
+        printf OUT "<h1>$group_name results for build <a href=\".\" title=\"$build\">$short_build</a> (%02d %s)</h1>\n", $date[3], $months[$date[4]];
         print OUT "<table class=\"report\">\n$header_footer\n  <tbody onDblClick=\"clone();\">\n";
     }
     else
@@ -679,7 +683,7 @@ EOF
         print OUT " | <a href=\"..\">index</a>";
         print OUT "<script type=\"text/javascript\" src=\"/summary.js\"></script>\n</div>\n";
         print OUT "<div class=\"main\">\n";
-        print OUT "<h1>Main summary for build <a href=\"/builds/winetest-$short_build.exe\" title=\"$build\">$short_build</a></h1>\n";
+        printf OUT "<h1>Main summary for build <a href=\"/builds/winetest-$short_build.exe\" title=\"$build\">$short_build</a> (%02d %s)</h1>\n", $date[3], $months[$date[4]];
         print OUT "<table class=\"report\">\n$header_footer\n  <tbody onDblClick=\"clone();\">\n";
     }
 
-- 
1.8.5.2