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#!/bin/bash
. /etc/init.d/functions.sh
VER="$1"
PVER="$2"
DIR="$(pwd)"
GIT_URL="${GIT_URL:-"git://xenbits.xen.org/xen.git"}"
GIT_BRANCH="${GIT_BRANCH:-stable-${VER:0:3}}"
PATCHDIR="tmp/patches-upstream"
INFODIR="${PATCHDIR}/info"
GIT="$(which git)"
ARCHIVE="xen-${VER}-upstream-patches-${PVER}.tar.xz"
OMITFILE=${3:-"${DIR}/xen-${VER}.omit"}
TAKEFILE=${4:-"${DIR}/xen-${VER}.take"}
EXTRA_DIR="${DIR}/extra-${VER}"
if [[ $# -lt 2 ]]; then
einfo "Usage: $0 <pkg ver> <patch ver> [omitted file]"
exit 1
fi
if [[ -z ${GIT} ]]; then
eerror "git not found!"
exit 1
fi
if [[ -e ${ARCHIVE} ]]; then
eerror "Archive '${ARCHIVE}' does already exist! Abort."
exit 1
fi
rm -rf tmp
rm -f ${ARCHIVE}
mkdir -p ${INFODIR}
pushd ${PATCHDIR} >/dev/null || exit 1
${GIT} clone -b ${GIT_BRANCH} ${GIT_URL} || exit 1
pushd xen >/dev/null || exit 1
${GIT} format-patch $(git rev-parse RELEASE-$1)..$(git rev-parse origin/${GIT_BRANCH}) -o ../. || exit 1
popd >/dev/null|| exit 1
for PATCH in *.patch; do
SUFFIX=""
if [[ -f ${TAKEFILE} ]] && $(grep -q ${PATCH:5} ${TAKEFILE}); then
continue
fi
if [[ -f ${OMITFILE} ]] && $(grep -q ${PATCH:5} ${OMITFILE}); then
ewarn "patch omitted: ${PATCH}"
SUFFIX=".omitted"
mv ${PATCH} ${PATCH/-xen-[0-9].[0-9].[0-9]-/_all_}${SUFFIX} || exit 1
fi
done
# copy extra patches, also provided by upstream but not belong to xen repo
if [[ -d ${EXTRA_DIR} ]]; then
cp -rf ${EXTRA_DIR}/* . || exit 1
fi
rm -rf xen || exit 1
popd >/dev/null || exit 1
if [[ -e ../README.Gentoo.patches ]]; then
cp ../README.Gentoo.patches ${INFODIR}/ || exit 1
else
if [[ -e README.Gentoo.patches ]]; then
cp README.Gentoo.patches ${INFODIR}/ || exit 1
fi
fi
if [[ -f ${TAKEFILE} ]]; then
cp ${TAKEFILE} ${INFODIR}/ || exit 1
fi
if [[ -f ${OMITFILE} ]]; then
cp ${OMITFILE} ${INFODIR}/ || exit 1
fi
cat >${INFODIR}/README <<-EOF
Patchset generated on $(date).
This patchset was automatically generated using upstream's git tree
located at ${GIT_URL}.
Refer to ${TAKEFILE} if patches are marked to be applied, also Gentoo bug id.
Refer to ${OMITFILE} if patches are marked to be omitted.
EOF
cp $0 ${INFODIR}/ || exit 1
tar -cJf ${ARCHIVE} -C tmp . || exit 1
rm -rf tmp
einfo "Patchset generation run successfully :)"
einfo "File size of ${ARCHIVE}: $(du -bh ${ARCHIVE} | cut -f1)"
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