preinst is in ampache 3.6~alpha1-0ubuntu6.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | #!/bin/sh
#preinst for Ampache
set -e
AMPCFG="/etc/ampache/ampache.cfg.php"
WWW="/usr/share/ampache/www"
if [ "$1" = "upgrade" ]; then
#make a backup copy of ampache.cfg.php on upgrades
if [ -f $AMPCFG ] && [ -h $WWW/config/ampache.cfg.php ]; then
cp -a $AMPCFG /etc/ampache/ampache_$(date +%Y%m%d).cfg.php
fi
fi
exit 0
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