maintscripts-functions

# This file contains common functionality for all postgresql server
# package maintainer scripts.

# arguments: version package master
_link_manpages() {
    MANS=$(dpkg -L $2|egrep '/man/.*\.[1-9](\.gz)?$' | grep -v "$3")
    SLAVES=$(for i in $MANS; do TARGET=$(echo $i | sed "s/postgresql\/$1\///"); echo -n " --slave $TARGET $(basename $i) $i"; done)
    update-alternatives --install /usr/share/man/man1/$3 \
	$3 /usr/share/postgresql/$1/man/man1/$3 \
	$(echo "$1" | tr -cd 0-9) $SLAVES
}

_unlink_manpages() {
    update-alternatives --remove $3 /usr/share/postgresql/$1/man/man1/$3
}

configure_version() {
    VERSION="$1"

    # Create a main cluster for given version ($1) if no cluster already exists
    # for that version.
    [ "$VERSION" ] || { echo "Error: configure_version: need version parameter" >&2; exit 1; }
    if [ ! -d /etc/postgresql/$VERSION ] || [ -z "$(ls /etc/postgresql/$VERSION)" ]; then
        /usr/bin/pg_createcluster -u postgres $VERSION main
    fi

    _link_manpages "$VERSION" "postgresql-$VERSION" postmaster.1.gz
}

remove_version() {
    _unlink_manpages "$1" "postgresql-$1" postmaster.1.gz
}

configure_client_version() {
    _link_manpages "$1" "postgresql-client-$1" psql.1.gz
}

remove_client_version() {
    _unlink_manpages "$1" "postgresql-client-$1" psql.1.gz
}

configure_contrib_version() {
    if [ "$2" ]; then
	cmd="autovac-restart"
    else
	cmd="autovac-start"
    fi

    if [ -x /usr/sbin/invoke-rc.d ]; then
	    invoke-rc.d postgresql-$1 $cmd || exit 0
    else
	    /etc/init.d/postgresql-$1 $cmd || exit 0
    fi
}

remove_contrib_version() {
    if [ -x /usr/sbin/invoke-rc.d ]; then
	    invoke-rc.d postgresql-$1 autovac-stop || exit 0
    else
	    /etc/init.d/postgresql-$1 autovac-stop || exit 0
    fi
}