mirror of
https://github.com/lightningnetwork/lnd.git
synced 2026-08-18 13:07:58 +02:00
dbb3a9e953
-Due to a newer version we need to use add_labels instead of just labels -The backport PR will now also copy the milestones in case the milstones were set
124 lines
4.6 KiB
YAML
124 lines
4.6 KiB
YAML
name: Backport
|
|
|
|
on:
|
|
pull_request_target:
|
|
types: [closed, labeled]
|
|
|
|
permissions:
|
|
contents: write
|
|
pull-requests: write
|
|
issues: read
|
|
|
|
jobs:
|
|
backport:
|
|
name: Backport PR
|
|
runs-on: ubuntu-latest
|
|
# Only run on merged PRs with backport labels.
|
|
# Labels must match pattern: backport-v* (e.g., backport-v0.20.x-branch).
|
|
# This excludes labels like "backport candidate" or "backport-candidate".
|
|
if: |
|
|
github.event.pull_request.merged == true &&
|
|
contains(join(github.event.pull_request.labels.*.name, ','), 'backport-v')
|
|
|
|
steps:
|
|
- name: Checkout repository
|
|
uses: actions/checkout@v5
|
|
with:
|
|
fetch-depth: 0
|
|
ref: ${{ github.event.pull_request.base.ref }}
|
|
|
|
- name: Validate target branches exist
|
|
id: validate
|
|
shell: bash
|
|
run: |
|
|
# Extract all backport labels
|
|
labels='${{ toJSON(github.event.pull_request.labels.*.name) }}'
|
|
echo "All labels: $labels"
|
|
|
|
# Parse labels and extract branch names
|
|
# Only match labels starting with "backport-v" to exclude labels like
|
|
# "backport candidate" or "backport-candidate"
|
|
backport_labels=$(echo "$labels" | jq -r '.[] | select(startswith("backport-v"))')
|
|
|
|
if [ -z "$backport_labels" ]; then
|
|
echo "::error::No valid backport labels found (must start with 'backport-v')"
|
|
exit 1
|
|
fi
|
|
|
|
echo "Found backport labels:"
|
|
echo "$backport_labels"
|
|
|
|
# Check each target branch exists
|
|
missing_branches=()
|
|
valid_branches=()
|
|
while IFS= read -r label; do
|
|
# Extract branch name (everything after "backport-")
|
|
branch_name="${label#backport-}"
|
|
echo "Checking if branch exists: $branch_name"
|
|
|
|
# Check if branch exists in remote
|
|
if ! git ls-remote --heads origin "$branch_name" | grep -q "$branch_name"; then
|
|
echo "::warning::Target branch '$branch_name' does not exist (from label '$label')"
|
|
missing_branches+=("$branch_name")
|
|
else
|
|
echo "✓ Branch '$branch_name' exists"
|
|
valid_branches+=("$branch_name")
|
|
fi
|
|
done <<< "$backport_labels"
|
|
|
|
# Report validation results
|
|
if [ ${#missing_branches[@]} -gt 0 ]; then
|
|
echo "::warning::The following target branches do not exist and will be skipped: ${missing_branches[*]}"
|
|
echo "::warning::Please check the branch names or create the branches before retrying"
|
|
fi
|
|
|
|
# Only fail if ALL branches are invalid
|
|
if [ ${#valid_branches[@]} -eq 0 ]; then
|
|
echo "::error::No valid target branches found. All backport labels reference non-existent branches."
|
|
exit 1
|
|
fi
|
|
|
|
echo "✓ Found ${#valid_branches[@]} valid target branch(es): ${valid_branches[*]}"
|
|
if [ ${#missing_branches[@]} -gt 0 ]; then
|
|
echo "⚠ Skipping ${#missing_branches[@]} invalid branch(es): ${missing_branches[*]}"
|
|
fi
|
|
|
|
- name: Create backport PRs
|
|
# Uses version v3.4, we pin to a hash here. For more details to
|
|
# available versions, see:
|
|
# https://github.com/korthout/backport-action/releases.
|
|
uses: korthout/backport-action@d07416681cab29bf2661702f925f020aaa962997
|
|
with:
|
|
# Automatically detect target branches from labels.
|
|
# Labels must be in format: backport-v0.20.x-branch (must start
|
|
# with "backport-v"). This excludes labels like "backport candidate"
|
|
# or "backport-candidate". The pattern extracts everything after
|
|
# "backport-" as the branch name.
|
|
label_pattern: '^backport-(v.+)$'
|
|
|
|
# GitHub token for creating PRs.
|
|
github_token: ${{ secrets.GITHUB_TOKEN }}
|
|
|
|
# PR title format - shows it's a backport with original PR number.
|
|
pull_title: '[${target_branch}] Backport #${pull_number}: ${pull_title}'
|
|
|
|
# PR description template - links back to original PR.
|
|
pull_description: |-
|
|
Backport of #${pull_number}
|
|
|
|
---
|
|
|
|
${pull_description}
|
|
|
|
# Automatically add labels to backport PRs.
|
|
# The 'no-changelog' label skips the release notes check in CI.
|
|
add_labels: no-changelog
|
|
|
|
# Copy milestone from original PR to backport PR.
|
|
copy_milestone: true
|
|
|
|
# Merge strategy - skip merge commits, use cherry-pick only.
|
|
merge_commits: skip
|
|
|
|
# If conflicts occur, create a draft PR with conflict markers.
|
|
experimental: '{"conflict_resolution": "draft_commit_conflicts"}'
|