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Add git-replay-merge.sh script to v9_11

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This commit is contained in:
Ondřej Surý 2018-06-26 20:24:03 +02:00
parent f01a2d9dc3
commit 02a698bea7
1 changed files with 14 additions and 25 deletions
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39
util/git-replay-merge.sh Normal file → Executable file
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@ -31,6 +31,13 @@ die_with_usage() {
" ${SELF} --abort"
}
verify_gitlab_cli() {
which gitlab >/dev/null 2>&1 || \
die "You need to have gitlab cli installed and configured: "\
"" \
"$ gem install --user-install gitlab"
}
die_with_continue_instructions() {
die "" \
"Replay interrupted. Conflicts need to be fixed manually." \
@ -147,34 +154,15 @@ resume() {
die_with_continue_instructions
fi
fi
# Announce the plan.
echo "Attempting to merge ${REPLAY_BRANCH} into ${TARGET_BRANCH}..."
# Check if a local branch with the same name as the target branch
# exists. If it does not, switch to a new local branch with the same
# name as the target branch. Otherwise, ensure the local branch is not
# behind the target branch at the target remote, then switch to it.
if ! branch_exists "${TARGET_BRANCH}"; then
git checkout -t -b "${TARGET_BRANCH}" "${TARGET_REF}" >/dev/null
else
die_if_local_behind_target
git checkout "${TARGET_BRANCH}" &>/dev/null
fi
# Use the original commit message with a modified subject line.
COMMIT_MSG="$(
git log --max-count=1 --format="%B" "${SOURCE_COMMIT}" |
sed "1s/.*/Merge branch '${REPLAY_BRANCH}' into '${TARGET_BRANCH}'/;"
)"
# Merge the replay branch into the local target branch.
git merge --no-ff -m "${COMMIT_MSG}" "${REPLAY_BRANCH}"
cat <<-EOF
Replayed ${SOURCE_BRANCH} onto ${TARGET_BRANCH}.
To push the replay, use:
git push ${TARGET_REMOTE} -u ${REPLAY_BRANCH}:${REPLAY_BRANCH}
git push ${TARGET_REMOTE} ${TARGET_BRANCH}:${TARGET_BRANCH}
REPLAY_COMMIT_TITLE="$(git show --format="%b" "${SOURCE_COMMIT}" 2>&1 | head -1)"
EOF
gitlab create_merge_request 1 "${REPLAY_COMMIT_TITLE}" "{source_branch: '${REPLAY_BRANCH}', target_branch: '${TARGET_BRANCH}'}"
cleanup
exit 0
}
cleanup() {
@ -184,7 +172,6 @@ cleanup() {
git merge --abort
git cherry-pick --abort
git checkout "${CHECKED_OUT_BRANCH}"
git branch -D "${REPLAY_BRANCH}"
} &>/dev/null || true
rm -f "${STATE_FILE}"
}
@ -196,6 +183,7 @@ case "$1" in
cleanup
;;
"--continue")
verify_gitlab_cli
die_if_not_in_progress
source "${STATE_FILE}"
resume
@ -204,6 +192,7 @@ case "$1" in
if [[ $# -ne 3 ]]; then
die_with_usage
fi
verify_gitlab_cli
die_if_in_progress
go "$@"
;;