grub2/do-rebase

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#!/bin/bash
set -e
shopt -qu globstar
export LC_COLLATE=C
export LC_ALL=C
usage()
{
retcode=0
if [ -n "$1" ]; then
exec 1>&2
retcode=$1
fi
echo usage: do-rebase \$releasever
exit $retcode
}
if ! git status | grep -q 'nothing to commit, working directory clean' ; then
echo "Working directory is not clean, cannot rebase." 1>&2
exit 1
fi
releasever=""
declare -a savedargs
while [ $# -gt 0 ]; do
case $1 in
--help|-h|--usage|-?|-u)
usage
;;
--dist=*)
releasever=${1##--dist=}
;;
--dist)
shift
releasever=$1
;;
*)
savedargs[${#savedargs[@]}]="$1"
;;
esac
shift
done
set -- "${savedargs[@]}"
if [ -z "${releasever}" -a $# -gt 0 ]; then
releasever=$1
shift
else
dist=$(git status | grep "On branch" | cut -d\ -f3-)
if [ -z "$dist" ]; then
echo "Could not figure out distro release version" 1>&2
usage 1
fi
case "$(eval echo \${dist})" in
.fc*)
releasever=$(echo ${dist} | \
sed 's/^\.fc\([[:digit:]]\+\)$/fedora-\1/')
;;
.*)
releasever=$(echo $dist | \
sed 's/^\.\([[:alpha:]]\+\)\([[:digit:]]\+\)$/\1-\2/')
;;
esac
if [ -z "${releasever}" -o "${releasever}" = "${dist}" ]; then
echo "Could not figure out distro release version" 1>&2
usage 1
fi
fi
if [ -z "$releasever" ]; then
echo "Could not figure out distro release version" 1>&2
usage 1
fi
if [ $# -ge 1 ]; then
echo "Unknown argument \"$1\"" 1>&2
usage 1
fi
if ! git remote show -n github >/dev/null 2>&1 ; then
git remote add \
github git@github.com:vathpela/grub2-fedora.git >/dev/null 2>&1
echo "Could not add remote: github" 1>&2
exit 1
fi
git fetch github
remote=$(git branch --list -r "github/${releasever}" 2>/dev/null)
if [ "${remote}" != " github/${releasever}" ]; then
echo branch \"${releasever}\" does not appear to exist 1>&2
exit 1
fi
unset LC_ALL
git rm -q 0*.patch
(cat <<EOF
From: Peter Jones <pjones@redhat.com>
Date: Wed Jul 22 10:18:00 2015 -0400
Subject: Stop trying to "git format-patch" across a merge that confuses it
EOF
git diff --full-index --binary refs/tags/grub-2.02-beta3..refs/remotes/github/master
) > grub-2.02-beta3-to-origin-master.patch
patches=$(git format-patch refs/remotes/github/master..refs/remotes/github/${releasever})
echo Patch0000: grub-2.02-beta3-to-origin-master.patch > grub.patches
for x in $patches ; do
echo Patch$(echo ${x} | cut -d- -f1): ${x} >> grub.patches
done
rpmdev-bumpspec -c "- Rebased to newer upstream for ${releasever}" grub2.spec
git add 0*.patch grub2.spec grub-2.02-beta3-to-origin-master.patch grub.patches
fedpkg commit -s -c