preinst is in ifupdown-scripts-zg2 0.6-1.
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 | #!/bin/bash
set -e
[ -n "$IUDSZG2DEBUG" ] && set -x
CHECKIFDSYMLINKS="/usr/bin/check-ifupdown-scripts-zg2.d-symlinks"
#if [ "$1" = "configure" ]; then
if [ -x $CHECKIFDSYMLINKS ] && ! $CHECKIFDSYMLINKS; then
echo >&2 "aborting package installation, see /etc/network/ifupdown-scripts-zg2.d/00README.linkdir"
exit 1
fi
#fi
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