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53 changes: 48 additions & 5 deletions .github/workflows/dependabot-approve-merge.yml
Original file line number Diff line number Diff line change
Expand Up @@ -26,8 +26,15 @@ jobs:
auto-approve-merge:
if: github.event.pull_request.user.login == 'dependabot[bot]' || github.event.pull_request.user.login == 'renovate[bot]'
runs-on: ubuntu-latest
env:
# env variable for maintainers: 'true' allows to auto-merge 1.0.2 -> 2.0.0
ALLOW_MAJOR: false
# env variable for maintainers: 'true' allows to auto-merge 1.0.2 -> 1.1.0
ALLOW_MINOR: true
# env variable for maintainers: RegExp string to ignore some dependencies from auto-approve and auto-merge
IGNORE_PATTERN: ''
permissions:
# for hmarr/auto-approve-action to approve PRs
# for auto-approve step to work
pull-requests: write
# for alexwilson/enable-github-automerge-action to approve PRs
contents: write
Expand All @@ -44,15 +51,51 @@ jobs:
with:
repo-token: ${{ secrets.GITHUB_TOKEN }}

# GitHub actions bot approve
- uses: hmarr/auto-approve-action@f0939ea97e9205ef24d872e76833fa908a770363 # v4.0.0
- name: Dependabot metadata
id: metadata
if: startsWith(steps.branchname.outputs.branch, 'dependabot/')
uses: dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98 # v3.1.0
with:
github-token: ${{ secrets.GITHUB_TOKEN }}

- name: Check for ignored dependencies in the PR
id: validate
if: startsWith(steps.branchname.outputs.branch, 'dependabot/')
env:
IGNORE_PATTERN: ${{ env.IGNORE_PATTERN }}
DEPENDENCY_NAMES: ${{ steps.metadata.outputs.dependency-names }}
run: |
if [[ -z ${IGNORE_PATTERN} ]]; then
echo "ignore=false" >> "$GITHUB_OUTPUT"
elif [[ -z ${DEPENDENCY_NAMES} ]]; then
echo "ignore=false" >> "$GITHUB_OUTPUT"
elif [[ ${DEPENDENCY_NAMES} =~ ${IGNORE_PATTERN} ]]; then
echo "ignore=true" >> "$GITHUB_OUTPUT"
fi

- name: GitHub actions bot approve
id: auto_approve
if: ${{
startsWith(steps.branchname.outputs.branch, 'dependabot/')
&& steps.validate.outputs.ignore != 'true'
}}
run: gh pr review --approve "$PR_URL"
env:
PR_URL: ${{ github.event.pull_request.html_url }}
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

# Enable GitHub auto merge
- name: Auto merge
uses: alexwilson/enable-github-automerge-action@2c32e18a76e0726ffe7a573bfff2d42a20885126 # v3.0.0
if: startsWith(steps.branchname.outputs.branch, 'dependabot/')
uses: alexwilson/enable-github-automerge-action@2c32e18a76e0726ffe7a573bfff2d42a20885126 # 3.0.0
if: ${{
startsWith(steps.branchname.outputs.branch, 'dependabot/')
&& steps.auto_approve.conclusion == 'success'
&& (github.event.action == 'opened' || github.event.action == 'reopened')
&& (
steps.metadata.outputs.update-type == 'version-update:semver-patch'
|| (fromJSON(env.ALLOW_MINOR) && steps.metadata.outputs.update-type == 'version-update:semver-minor')
|| (fromJSON(env.ALLOW_MAJOR) && steps.metadata.outputs.update-type == 'version-update:semver-major')
)
}}
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
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