#!/bin/sh -e
#
# 2021 Daniel Fancsali (fancsali@gmail.com)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#


name="$__object_id"

os=$(cat "$__global/explorer/os")
state="$(cat "$__object/parameter/state")"

if [ -f "$__object/parameter/package" ]; then
    package="$(cat "$__object/parameter/package")"
else
    package=$name
fi

distribution="$(cat "$__object/parameter/distribution")"
priority="$(cat "$__object/parameter/priority")"


case "$os" in
   debian|ubuntu|devuan)
   ;;
   *)
      printf "This type is specific to Debian and it's derivatives" >&2
      exit 1
   ;;
esac

case $distribution in
    stable|testing|unstable|experimental)
        pin="release a=$distribution"
        ;;
    *)
        pin="release n=$distribution"
        ;;
esac


__file "/etc/apt/preferences.d/$name" \
    --owner root --group root --mode 0644 \
    --state "$state" \
    --source - << EOF
Package: $package
Pin: $pin
Pin-Priority: $priority
EOF