#!/usr/bin/env bash

## For actual repos

# bzr branch bzr://bzr.savannah.gnu.org/grub-extras/lua lua
# bzr branch bzr://bzr.savannah.gnu.org/grub-extras/gpxe gpxe
# bzr branch bzr://bzr.savannah.gnu.org/grub-extras/ntldr-img ntldr-img
# bzr branch bzr://bzr.savannah.gnu.org/grub-extras/915resolution 915resolution

## For launchpad mirror

# bzr branch lp:~the-ridikulus-rat/grub/grub-extras-lua lua
# bzr branch lp:~the-ridikulus-rat/grub/grub-extras-gpxe gpxe
# bzr branch lp:~the-ridikulus-rat/grub/grub-extras-ntldr-img ntldr-img
# bzr branch lp:~the-ridikulus-rat/grub/grub-extras-915resolution 915resolution

## grub-extras zfs is integrated into grub bzr main repo and is no longer needed separately.

_WD="${PWD}/"
_OUTPUT_DIR="${_WD}/"

_ACTUAL_PKGVER="2.00"

_GRUB_BZR_REPO_DIR="${_WD}/grub_mainline_BZR/"
_GRUB_BZR_EXP_REPO_DIR="${_WD}/grub_experimental_BZR/"
_GRUB_EXTRAS_REPOS_DIR="${_WD}/grub_extras_BZR/"

_MAIN_SNAPSHOT() {
	
	cd "${_GRUB_BZR_REPO_DIR}/"
	echo
	
	_REVNUM="$(bzr revno ${_GRUB_BZR_REPO_DIR})"
	bzr export --root="grub-${_ACTUAL_PKGVER}" --format="tar" "${_OUTPUT_DIR}/grub_r${_REVNUM}.tar"
	echo
	
	cd "${_OUTPUT_DIR}/"
	
	xz -9 "${_OUTPUT_DIR}/grub_r${_REVNUM}.tar"
	echo
	
}

_EXP_SNAPSHOT() {
	
	cd "${_GRUB_BZR_EXP_REPO_DIR}/"
	echo
	
	_REVNUM="$(bzr revno ${_GRUB_BZR_EXP_REPO_DIR})"
	bzr export --root="grub-${_ACTUAL_PKGVER}" --format="tar" "${_OUTPUT_DIR}/grub_exp_r${_REVNUM}.tar"
	echo
	
	cd "${_OUTPUT_DIR}/"
	
	xz -9 "${_OUTPUT_DIR}/grub_exp_r${_REVNUM}.tar"
	echo
	
}

_EXTRAS_SNAPSHOT() {
	
	cd "${_GRUB_EXTRAS_REPOS_DIR}/${_GRUB_EXTRAS_NAME}/"
	echo
	
	_REVNUM="$(bzr revno ${_GRUB_EXTRAS_REPOS_DIR}/${_GRUB_EXTRAS_NAME})"
	bzr export --root="${_GRUB_EXTRAS_NAME}" --format="tar" "${_OUTPUT_DIR}/grub_extras_${_GRUB_EXTRAS_NAME}_r${_REVNUM}.tar"
	echo
	
	cd "${_OUTPUT_DIR}/"
	echo
	
	xz -9 "${_OUTPUT_DIR}/grub_extras_${_GRUB_EXTRAS_NAME}_r${_REVNUM}.tar"
	echo
	
}

echo

set -x -e

echo

_MAIN_SNAPSHOT

echo

# _EXP_SNAPSHOT

echo

_GRUB_EXTRAS_NAME="lua"
_EXTRAS_SNAPSHOT

# _GRUB_EXTRAS_NAME="gpxe"
# _EXTRAS_SNAPSHOT

_GRUB_EXTRAS_NAME="ntldr-img"
_EXTRAS_SNAPSHOT

_GRUB_EXTRAS_NAME="915resolution"
_EXTRAS_SNAPSHOT

echo

set +x +e

echo

unset _WD
unset _OUTPUT_DIR
unset _GRUB_BZR_REPO_DIR
unset _GRUB_EXTRAS_REPOS_DIR
unset _GRUB_EXTRAS_NAME