forgejo/.forgejo/workflows/backport.yml

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# Copyright 2024 The Forgejo Authors
# SPDX-License-Identifier: MIT
#
# To modify this workflow:
#
# - change pull_request_target: to pull_request:
# so that it runs from a pull request instead of the default branch
#
# - push it to the wip-ci-backport branch on the forgejo repository
# otherwise it will not have access to the secrets required to push
# the PR
#
# - open a pull request targetting wip-ci-backport that includes a change
# that can be backported without conflict in v1.21 and set the
# `backport/v1.21` label.
#
# - once it works, open a pull request for the sake of keeping track
# of the change even if the PR won't run it because it will use
# whatever is in the default branch instead
#
# - after it is merged, double check it works by setting a
# `backport/v1.21` label on a merged pull request that can be backported
# without conflict.
#
on:
pull_request_target:
types:
- closed
- labeled
jobs:
backporting:
if: >
!startsWith(vars.ROLE, 'forgejo-') && (
github.event.pull_request.merged
&&
contains(toJSON(github.event.pull_request.labels), 'backport/v')
)
runs-on: docker
container:
image: 'docker.io/node:20-bookworm'
steps:
- name: Fetch labels
id: fetch-labels
shell: bash
run: |
set -x
echo "Labels retrieved below"
export DEBIAN_FRONTEND=noninteractive
apt-get update -qq
apt-get -q install -qq -y jq
filtered_labels=$(echo "$LABELS" | jq -c 'map(select(.name | startswith("backport/v")))')
echo "FILTERED_LABELS=${filtered_labels}" >> $GITHUB_ENV
env:
LABELS: ${{ toJSON(github.event.pull_request.labels) }}
- name: Extract targets
id: extract-targets
shell: bash
run: |
set -x
targets="$(echo $FILTERED_LABELS | jq -c '[.[] | .name | sub("backport/"; "")]')"
echo "targets=$(echo $targets)" >> $GITHUB_OUTPUT
- name: Printing info
shell: bash
run: |
echo "targets: ${{ steps.extract-targets.outputs.targets }}"
echo "target-branch: ${{ fromJSON(steps.extract-targets.outputs.targets)[0] }}"
echo "pull-request: ${{ github.event.pull_request.url }}"
- uses: https://code.forgejo.org/forgejo/git-backporting@23967a28fa7fed4c139e224e905d99b26fc42e94
with:
target-branch: ${{ fromJSON(steps.extract-targets.outputs.targets)[0] }}/forgejo
strategy: ort
strategy-option: find-renames
no-squash: true
auth: ${{ secrets.BACKPORT_TOKEN }}
pull-request: ${{ github.event.pull_request.url }}