patch.sh

#!/bin/bash -e
#
# Copyright (c) 2009-2021 Robert Nelson <robertcnelson@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

# Split out, so build_kernel.sh and build_deb.sh can share..

shopt -s nullglob

. ${DIR}/version.sh
if [ -f ${DIR}/system.sh ] ; then
	. ${DIR}/system.sh
fi
git_bin=$(which git)
#git hard requirements:
#git: --no-edit

git="${git_bin} am"
#git_patchset=""
#git_opts

if [ "${RUN_BISECT}" ] ; then
	git="${git_bin} apply"
fi

echo "Starting patch.sh"

git_add () {
	${git_bin} add .
	${git_bin} commit -a -m 'testing patchset'
}

start_cleanup () {
	git="${git_bin} am --whitespace=fix"
}

cleanup () {
	if [ "${number}" ] ; then
		if [ "x${wdir}" = "x" ] ; then
			${git_bin} format-patch -${number} -o ${DIR}/patches/
		else
			if [ ! -d ${DIR}/patches/${wdir}/ ] ; then
				mkdir -p ${DIR}/patches/${wdir}/
			fi
			${git_bin} format-patch -${number} -o ${DIR}/patches/${wdir}/
			unset wdir
		fi
	fi
	exit 2
}

dir () {
	wdir="$1"
	if [ -d "${DIR}/patches/$wdir" ]; then
		echo "dir: $wdir"

		if [ "x${regenerate}" = "xenable" ] ; then
			start_cleanup
		fi

		number=
		for p in "${DIR}/patches/$wdir/"*.patch; do
			${git} "$p" || true
			number=$(( $number + 1 ))
		done

		if [ "x${regenerate}" = "xenable" ] ; then
			cleanup
		fi
	fi
	unset wdir
}

dir 'local_patches'

echo "patch.sh ran successfully"