[tools 2/2] winetest/cron: Optionally purge the really old test results.

[Francois Gouget]

Signed-off-by: Francois Gouget <fgouget at codeweavers.com>
---
Why are we keeping the old results forever?
This results in a pretty high disk usage on winehq:

  data             27GB
  old-data/<dirs>  18GB
  old-data/*.bz2   62GB with the oldest build being from 2007

On my server I intend to use something like this:
  build_compress=60
  build_expire=90

Actually we may as well compress the files directly in build-index while 
moving them to old-data.
---
 winetest/winetest.cron | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/winetest/winetest.cron b/winetest/winetest.cron
index df27116a3..d7f0344e2 100755
--- a/winetest/winetest.cron
+++ b/winetest/winetest.cron
@@ -19,6 +19,7 @@
 
 # Leave empty to disable the corresponding task
 build_compress=120  # days before compressing old-data builds
+build_expire=       # days before deleting old-data builds
 winetest_expire=120 # days before deleting winetest binaries
 queue_expire=30     # days before deleting queued reports
 
@@ -84,6 +85,15 @@ then
         rm -rf "$dir"
     fi )
 
+    # remove old build reports
+    if [ -n "$build_expire" ]
+    then (
+        set -e
+        cd old-data
+        find . -mtime "+$build_expire" -name "*.tar.*" -print0 | \
+            xargs -0 rm -f
+    fi )
+
     # remove old winetest binaries
     if [ -n "$winetest_expire" ]
     then (
-- 
2.20.1