1 files changed, 74 insertions, 0 deletions
diff --git a/debian/open-infrastructure-container-tools.postinst b/debian/open-infrastructure-container-tools.postinst
new file mode 100644
index 0000000..97037fd
--- /dev/null
+++ b/debian/open-infrastructure-container-tools.postinst
@@ -0,0 +1,74 @@
+#!/bin/sh
+
+set -e
+
+Setup ()
+{
+	DEFAULT="${1}"
+	TARGET="${2}"
+
+	mkdir -p "${DEFAULT}"
+	mkdir -p "${TARGET}"
+
+	if [ "${TARGET}" != "${DEFAULT}" ]
+	then
+		if [ -h "${DEFAULT}" ]
+		then
+			rm -f "${DEFAULT}"
+			ln -s "${TARGET}" "${DEFAULT}"
+		else
+			if [ -e "${DEFAULT}" ] && find "${DEFAULT}" -maxdepth 0 -empty > /dev/null 2>&1
+			then
+				rmdir "${DEFAULT}"
+				ln -s "${TARGET}" "${DEFAULT}"
+			fi
+		fi
+	fi
+}
+
+case "${1}" in
+	configure)
+		update-alternatives --quiet --install /usr/share/container-tools/scripts/default container-tools_script /usr/share/container-tools/scripts/debootstrap 1000
+		update-alternatives --quiet --install /usr/share/container-tools/scripts/default container-tools_script /usr/share/container-tools/scripts/debian 3000
+		update-alternatives --quiet --install /usr/share/container-tools/scripts/default container-tools_script /usr/share/container-tools/scripts/progress-linux 2000
+
+		. /usr/share/debconf/confmodule
+
+		db_get open-infrastructure-container-tools/machines
+		MACHINES="${RET:-/var/lib/machines}" # string (w/o empty)
+
+		db_get open-infrastructure-container-tools/config
+		CONFIG="${RET:-/etc/container-tools/config}" # string (w/o empty)
+
+		db_get open-infrastructure-container-tools/debconf
+		DEBCONF="${RET:-/etc/container-tools/debconf}" # string (w/o empty)
+
+		db_get open-infrastructure-container-tools/cache
+		CACHE="${RET:-/var/cache/container-tools}" # string (w/o empty)
+
+		db_get open-infrastructure-container-tools/script
+		SCRIPT="${RET:-debian}" # string (w/o empty)
+
+		db_stop
+
+		Setup "/var/lib/machines" "${MACHINES}"
+		Setup "/etc/container-tools/config" "${CONFIG}"
+		Setup "/etc/container-tools/debconf" "${DEBCONF}"
+		Setup "/var/cache/container-tools" "${CACHE}"
+
+		update-alternatives --quiet --set container-tools_script "/usr/share/container-tools/scripts/${SCRIPT}"
+		;;
+
+	abort-upgrade|abort-remove|abort-deconfigure)
+
+		;;
+
+	*)
+		echo "postinst called with unknown argument \`${1}'" >&2
+		exit 1
+		;;
+esac
+
+#DEBHELPER#
+
+exit 0