codeql/.github/workflows/fast-forward.yml

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1.7 KiB
YAML

# Fast-forwards the branch specified in BRANCH_NAME
# to the github.ref/sha that this workflow is run on.
# Used as part of the release process, to ensure
# external query writers can always access a branch of github/codeql
# that is compatible with the latest stable release.
name: Fast-forward tracking branch for selected CodeQL version
on:
workflow_dispatch:
jobs:
fast-forward:
name: Fast-forward tracking branch for selected CodeQL version
runs-on: ubuntu-latest
if: github.repository == 'github/codeql'
permissions:
contents: write
env:
BRANCH_NAME: 'lgtm.com'
steps:
- name: Validate chosen branch
if: ${{ !startsWith(github.ref_name, 'codeql-cli-') }}
shell: bash
run: |
echo "::error ::The $BRANCH_NAME tracking branch should only be fast-forwarded to the tip of a codeql-cli-* branch, got $GITHUB_REF_NAME instead."
exit 1
- name: Checkout
uses: actions/checkout@v4
- name: Git config
shell: bash
run: |
git config user.name "github-actions[bot]"
git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
- name: Fetch
shell: bash
run: |
set -x
echo "Fetching $BRANCH_NAME"
# Explicitly unshallow and fetch to ensure the remote ref is available.
git fetch --unshallow origin "$BRANCH_NAME"
git checkout -b "$BRANCH_NAME" "origin/$BRANCH_NAME"
- name: Fast-forward
shell: bash
run: |
echo "Fast-forwarding $BRANCH_NAME to ${GITHUB_REF}@${GITHUB_SHA}"
git merge --ff-only "$GITHUB_SHA"
git push origin "$BRANCH_NAME"