preinst is in dotlrn 2.5.0+dfsg2-1.
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 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | #!/bin/sh
set -e
case "$1" in
install|upgrade)
# If we're upgrading from 2.5.0+dfsg-6+wheezy1 or earlier, we have to
# deal with config.tcl which was marked as a conffile and
# modified by postinst script.
#
# If the file was not modified by the user, then we can restore
# it to its initial state (before running postinst and modify it
# with debconf values) by deleting the modified lines.
#
# See Bug #688435
#
if dpkg --compare-versions "$2" le-nl "2.5.0+dfsg-6+wheezy1"
then
# First, make a copy so we can get the old config values
cp /etc/dotlrn/config.tcl /etc/dotlrn/config.tcl.old_version
# Reset config.tcl to its primordial state
sed -i '/set db_host/,/set db_user/d' /etc/dotlrn/config.tcl
fi
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument '$1'" >&2
exit 1
;;
esac
exit 0
|