Hi, On Tue, Feb 12, 2013 at 05:18:01PM +0200, Marius Gedminas wrote: > On Sat, Feb 09, 2013 at 11:31:07AM +0100, Andreas Mohr wrote: > > Hi, > > > > On Fri, Feb 08, 2013 at 03:45:29PM +0100, Stefan Sperling wrote: > > > So you should definitely wrap svnsync in a tool like lockfile (part of > > > procmail), or upgrade to 1.7. > > I went with > > #!/bin/sh > lockfile -r500 /stuff/zope-mirror/locks/ADHOC.lock || exit 1 > /usr/bin/sudo -u syncuser /usr/bin/svnsync sync file:///stuff/zope-mirror > rm -f /stuff/zope-mirror/locks/ADHOC.lock > > > Be careful about "solutions" other than lockfile - some of these appear to > > be > > terribly unsafe (some newer Ubuntu-introduced "atomic locking" package > > comes to mind - which then executes anyway after a measly timeout!). > > Do you remember the name of the package?
Possibly it was the lockfile-progs one, but not sure, couldn't nail it down any more, sorry. There seem to be recommendations for flock, since that has clean behaviour on shell trap etc. Andreas Mohr
