f5199e1afa
* Useful to find differences and potential missing commits between AOSP tags with different ancestor on repositories that we have not forked. One example is this month, switching from Pixel 6 December 2021 tag to qcom Pixel January 2022 tag. Change-Id: Ib5bafd50c20375368255ad9bbb8ca702c3361652
86 lines
2.2 KiB
Bash
Executable File
86 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# SPDX-FileCopyrightText: 2017, 2020-2022 The LineageOS Project
|
|
# SPDX-FileCopyrightText: 2021-2022 The Calyx Institute
|
|
#
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
#
|
|
|
|
usage() {
|
|
echo "Usage ${0} <projectpath> <merge|rebase> <oldaosptag> <newaosptag>"
|
|
}
|
|
|
|
# Verify argument count
|
|
if [ "$#" -ne 4 ]; then
|
|
usage
|
|
exit 1
|
|
fi
|
|
|
|
PROJECTPATH="${1}"
|
|
OPERATION="${2}"
|
|
OLDTAG="${3}"
|
|
NEWTAG="${4}"
|
|
|
|
if [ "${OPERATION}" != "merge" -a "${OPERATION}" != "rebase" ]; then
|
|
usage
|
|
exit 1
|
|
fi
|
|
|
|
### CONSTANTS ###
|
|
readonly script_path="$(cd "$(dirname "$0")";pwd -P)"
|
|
readonly vars_path="${script_path}/../vars"
|
|
|
|
source "${vars_path}/common"
|
|
|
|
readonly hook="${script_path}/prepare-commit-msg"
|
|
|
|
TOP="${script_path}/../../.."
|
|
BRANCH="${calyxos_branch}"
|
|
|
|
cd "${TOP}/${PROJECTPATH}"
|
|
repo start "${STAGINGBRANCH}" .
|
|
git fetch -q --tags aosp "${NEWTAG}"
|
|
|
|
[[ ! -e .git/hooks/prepare-commit-msg ]] && cp "${hook}" .git/hooks/
|
|
chmod +x .git/hooks/prepare-commit-msg
|
|
|
|
PROJECTOPERATION="${OPERATION}"
|
|
|
|
# Was there any change upstream? Skip if not.
|
|
if [[ -z "$(git diff ${OLDTAG} ${NEWTAG})" ]]; then
|
|
echo -e "nochange\t\t${PROJECTPATH}"
|
|
repo abandon "${STAGINGBRANCH}" .
|
|
exit 0
|
|
fi
|
|
|
|
# Determine whether OLDTAG is an ancestor of NEWTAG
|
|
# ie is history consistent.
|
|
git merge-base --is-ancestor "${OLDTAG}" "${NEWTAG}"
|
|
# If no, print a warning message.
|
|
if [[ "$?" -eq 1 ]]; then
|
|
echo -n "#### Warning: project ${PROJECTPATH} old tag ${OLDTAG} is not an ancestor "
|
|
echo "of new tag ${NEWTAG} ####"
|
|
fi
|
|
|
|
if [[ "${PROJECTOPERATION}" == "merge" ]]; then
|
|
echo "#### Merging ${NEWTAG} into ${PROJECTPATH} ####"
|
|
git merge --no-commit --log "${NEWTAG}" && git commit --no-edit
|
|
|
|
# Check if we've actually changed anything after the merge
|
|
# If we haven't, just abandon the branch
|
|
if [[ -z "$(git diff HEAD HEAD~1)" ]]; then
|
|
echo -e "nochange\t\t${PROJECTPATH}"
|
|
repo abandon "${STAGINGBRANCH}" .
|
|
exit 0
|
|
fi
|
|
elif [[ "${PROJECTOPERATION}" == "rebase" ]]; then
|
|
echo "#### Rebasing ${PROJECTPATH} onto ${NEWTAG} ####"
|
|
git rebase --onto "${NEWTAG}" "${OLDTAG}"
|
|
fi
|
|
|
|
CONFLICT=""
|
|
if [[ -n "$(git status --porcelain)" ]]; then
|
|
CONFLICT="conflict-"
|
|
fi
|
|
echo -e "${CONFLICT}${PROJECTOPERATION}\t\t${PROJECTPATH}"
|