Jakob Unterwurzacher wrote:
I guess you will have to use a wrapper script for your rsync job and
your rdiff-backup job that does the locking (and obeys the lock).
If you start both jobs at the same machine, it's easy:
Put this at the start of each script - it will then exit when another
instance is running.
#####
#!/bin/bash
exec 200> /tmp/lockfileXYZ
flock -n 200 || echo 'Could not get lock!' && exit 1
#####
Nice tip! An alternative which doesn't require flock or a temporary lock
file is (again for a bash script):
######
#!/bin/bash
[ -n "`ps h -C rdiff-backup`" ] && echo "`basename $0` aborting -
rdiff-backup is running" && exit 1
######
Dominic
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