diff tests/test-blackbox.t @ 19066:2cad301a7f06

blackbox: automatically rotate log files

If enabled, log rotation prevents the amount of space used by the
blackbox log from growing without bound. This becomes important in
cases where there are a lot of busy repositories managed by humans
and automation on many machines.

In large deployments, we cannot reasonably track all the repos where
blackbox logs need to be managed, so it is safer to have blackbox
manage its own logs than to move responsibility to an external tool
such as logrotate.

This change adds two configuration keys:

* blackbox.maxsize is the maximum allowable size of the current log

* blackbox.maxfiles is the number of log files to maintain

--- a/tests/test-blackbox.t	Thu Apr 18 12:58:28 2013 -0700
+++ b/tests/test-blackbox.t	Thu Apr 18 16:17:59 2013 -0700
@@ -131,5 +131,20 @@
   1970/01/01 00:00:00 bob> exthook-update: echo hooked finished in * seconds (glob)
   1970/01/01 00:00:00 bob> update exited False after * seconds (glob)
 
+log rotation
+
+  $ echo '[blackbox]' >> .hg/hgrc
+  $ echo 'maxsize = 20 b' >> .hg/hgrc
+  $ echo 'maxfiles = 3' >> .hg/hgrc
+  $ hg status
+  $ hg status
+  $ hg status
+  $ hg tip -q
+  2:d02f48003e62
+  $ ls .hg/blackbox.log*
+  .hg/blackbox.log
+  .hg/blackbox.log.1
+  .hg/blackbox.log.2
+
 cleanup
   $ cd ..