sintonia/debian/campcaster-station.postrm

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#!/bin/sh
# postrm script for campcaster
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
# * <postrm> `remove'
# * <postrm> `purge'
# * <old-postrm> `upgrade' <new-version>
# * <new-postrm> `failed-upgrade' <old-version>
# * <new-postrm> `abort-install'
# * <new-postrm> `abort-install' <old-version>
# * <new-postrm> `abort-upgrade' <old-version>
# * <disappearer's-postrm> `disappear' <overwriter>
# <overwriter-version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
vardir=/var/lib/campcaster
if [ -d /etc/postgresql/8.1 ]; then
postgresql_init_script=/etc/init.d/postgresql-8.1
elif [ -d /etc/postgresql/8.2 ]; then
postgresql_init_script=/etc/init.d/postgresql-8.2
elif [ -d /etc/postgresql/8.3 ]; then
postgresql_init_script=/etc/init.d/postgresql-8.3
elif [ -d /etc/postgresql/8.4 ]; then
postgresql_init_script=/etc/init.d/postgresql-8.4
else
echo "no postgresql 8.1, 8.2, 8.3 or 8.4 found" >&2
exit 1
fi
postgres_user=postgres
ls_database=Campcaster
ls_dbuser=campcaster
#-------------------------------------------------------------------------------
# Function to check for the existence of an executable on the PATH
#
# @param $1 the name of the exectuable
# @return 0 if the executable exists on the PATH, non-0 otherwise
#-------------------------------------------------------------------------------
check_exe() {
if [ -x "`which $1 2> /dev/null`" ]; then
return 0;
else
return 1;
fi
}
case "$1" in
remove|upgrade|failed-upgrade|abort-install|abort-upgrade)
;;
purge|disappear)
# check for the required tools
check_exe "psql" || psql_found=no
if [ "x$psql_found" != "xno" ] ; then
# kill open connections to the Campcaster database
$postgresql_init_script stop
$postgresql_init_script start
# remove the PostgreSQL database and user
su - $postgres_user -c \
"echo \"DROP DATABASE \\\"$ls_database\\\" \" | psql template1" \
|| echo "Couldn't drop database $ls_database.";
su - $postgres_user -c \
"echo \"DROP USER $ls_dbuser \" | psql template1" \
|| echo "Couldn't drop database user $ls_dbuser.";
fi
# remove generated files
rm -rf $vardir/
;;
*)
echo "postrm called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#
exit 0