zulip/tools/backport-pull-request

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2024-01-16 01:58:34 +01:00
#!/usr/bin/env bash
set -e
usage() {
cat >&2 <<EOF
usage: $0 PULL_REQUEST_ID COMMIT_COUNT [REMOTE]
Fetch the given GitHub pull request branch and backport it to
the current branch using 'git cherry-pick -x'.
Typical usage is:
git fetch upstream
git checkout -b 8.x upstream/8.x
$0 FIRST_PR_ID FIRST_PR_COMMIT_COUNT
$0 SECOND_PR_ID SECOND_PR_COMMIT_COUNT
git push origin +HEAD:backport-changes
EOF
exit 1
}
remote_default="$(git config zulip.zulipRemote || echo upstream)"
request_id="$1"
commit_count="$2"
if [ -z "$request_id" ] || [ -z "$commit_count" ]; then
usage
fi
remote=${3:-"$remote_default"}
set -x
git fetch "$remote" "pull/$request_id/head"
git cherry-pick -x FETCH_HEAD~"$commit_count"..FETCH_HEAD