Files
scripts/aosp-merger/branches_rebase.sh
Rashed Abdel-Tawab ccde24991f scripts: Add simplified AOSP merger
Usage: ./lineage/scripts/aosp-merger/aosp-merger.sh [merge|rebase] <oldaosptag> <newaosptag>

Change-Id: I6663e51ee22d7ea262ef634ed5e33c189ee1c2d6
2018-11-06 04:27:09 +01:00

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#!/bin/bash
#
# Copyright (C) 2017 The LineageOS Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#####
# Rebase your local working branches onto a new "upstream" branch.
# Local branch list is defined in branches.list
# (and can be created with branches_save.sh)
# If the upstream branch doesn't exist (eg perhaps in lineage-sdk),
# simply switch the working branch instead.
if [ ! -e "build/envsetup.sh" ]; then
echo "Must run from root of repo"
exit 1
fi
if [ "$#" -ne 1 ]; then
echo "Usage ${0} <branch to rebase on top of>"
exit 1
fi
REBASEONTO="${1}"
TOP="${PWD}"
BRANCHLIST="${TOP}/branches.list"
cat "${BRANCHLIST}" | while read l; do
set ${l}
PROJECTPATH="${1}"
BRANCH="${2}"
NEWBRANCH="${2}-rebase"
cd "${TOP}/${PROJECTPATH}"
# Sanity check
[[ -n "$(git status --porcelain)" ]]; then
echo -n "!!!! Project ${PROJECTPATH} has uncommitted files, "
echo "not switching to branch ${BRANCH} (skipping) !!!!"
continue
fi
# Check the $REBASEONTO branch actually exists
git show-ref "refs/heads/${REBASEONTO}" >/dev/null
if [ "$?" -ne 0 ]; then
# Nope
echo -n "#### Project ${PROJECTPATH} branch ${REBASEONTO} does not exist, "
echo "switching to ${BRANCH} instead ####"
git checkout "${BRANCH}"
else
echo "#### Creating ${PROJECTPATH} branch ${NEWBRANCH} from ${BRANCH} ####"
repo abandon "${NEWBRANCH}" .
repo start "${NEWBRANCH}" .
git reset --hard "${BRANCH}"
echo -n "#### Project ${PROJECTPATH} Rebasing branch ${NEWBRANCH} "
echo "on top of ${REBASEONTO} ####"
git rebase --onto "${REBASEONTO}"
fi
done