Bump actions/checkout from 4.2.1 to 4.2.2 #394
Workflow file for this run
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| name: approve-and-merge | |
| on: | |
| pull_request: | |
| branches: [ main, dotnet-vnext ] | |
| env: | |
| REVIEWER_LOGIN: ${{ vars.REVIEWER_USER_NAME }} | |
| permissions: | |
| contents: read | |
| jobs: | |
| review-pull-request: | |
| runs-on: ubuntu-latest | |
| if: ${{ github.event.pull_request.user.login == vars.UPDATER_COMMIT_USER_NAME }} | |
| steps: | |
| - name: Generate GitHub application token | |
| id: generate-application-token | |
| uses: peter-murray/workflow-application-token-action@8e4e6fbf6fcc8a272781d97597969d21b3812974 # v4.0.0 | |
| with: | |
| application_id: ${{ secrets.REVIEWER_APPLICATION_ID }} | |
| application_private_key: ${{ secrets.REVIEWER_APPLICATION_PRIVATE_KEY }} | |
| permissions: "contents:write, pull_requests:write" | |
| - name: Install powershell-yaml | |
| shell: pwsh | |
| run: Install-Module -Name powershell-yaml -Force -MaximumVersion "0.4.7" | |
| - name: Check which dependencies were updated | |
| id: check-dependencies | |
| env: | |
| # This list of trusted package prefixes needs to stay in sync with include-nuget-packages in the update-dotnet-sdk workflow. | |
| INCLUDE_NUGET_PACKAGES: "Microsoft.AspNetCore.,Microsoft.NET.Test.Sdk" | |
| GH_TOKEN: ${{ steps.generate-application-token.outputs.token }} | |
| shell: pwsh | |
| run: | | |
| # Replicate the logic in the dependabot/fetch-metadata action. | |
| # See https://github.com/dependabot/fetch-metadata/blob/aea2135c95039f05c64436f1d14638c300e10b2b/src/dependabot/update_metadata.ts#L29-L68. | |
| # Query the GitHub API to get the commits in the pull request. | |
| $commits = gh api ` | |
| /repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/commits ` | |
| --jq '.[] | { author: .author.login, message: .commit.message }' | ConvertFrom-Json | |
| # We should only approve pull requests that only contain commits from | |
| # the GitHub user we expected and only commits that contain the metadata | |
| # we need to determine what dependencies were updated by the other workflow. | |
| $expectedUser = "${{ vars.UPDATER_COMMIT_USER_NAME }}" | |
| $onlyDependencyUpdates = $True | |
| $onlyChangesFromUser = $True | |
| $dependencies = @() | |
| foreach ($commit in $commits) { | |
| if ($commit.Author -ne $expectedUser) { | |
| # Some other commit is in the pull request | |
| $onlyChangesFromUser = $False | |
| } | |
| # Extract the YAML metadata block from the commit message. | |
| $match = [Regex]::Match($commit.Message, '(?m)^-{3}\s(?<dependencies>[\S|\s]*?)\s^\.{3}$') | |
| if ($match.Success -eq $True) { | |
| # Extract the names and update type from each dependency. | |
| $metadata = ($match.Value | ConvertFrom-Yaml -Ordered) | |
| $updates = $metadata["updated-dependencies"] | |
| if ($updates) { | |
| foreach ($update in $updates) { | |
| $dependencies += @{ | |
| Name = $update['dependency-name']; | |
| Type = $update['update-type']; | |
| } | |
| } | |
| } | |
| } | |
| else { | |
| # The pull request contains a commit that we didn't expect as the metadata is missing. | |
| $onlyDependencyUpdates = $False | |
| } | |
| } | |
| # Did we find at least one dependency? | |
| $isPatch = $dependencies.Length -gt 0 | |
| $onlyTrusted = $dependencies.Length -gt 0 | |
| $trustedPackages = $env:INCLUDE_NUGET_PACKAGES.Split(',') | |
| foreach ($dependency in $dependencies) { | |
| $isPatch = $isPatch -And $dependency.Type -eq "version-update:semver-patch" | |
| $onlyTrusted = $onlyTrusted -And | |
| ( | |
| ($dependency.Name -eq "Microsoft.NET.Sdk") -Or | |
| (($trustedPackages | Where-Object { $dependency.Name.StartsWith($_) }).Count -gt 0) | |
| ) | |
| } | |
| # We only trust the pull request to approve and auto-merge it | |
| # if it only contains commits which change the .NET SDK and | |
| # Microsoft-published NuGet packages that were made by the GitHub | |
| # login we expect to make those changes in the other workflow. | |
| $isTrusted = (($onlyTrusted -And $isPatch) -And $onlyChangesFromUser) -And $onlyDependencyUpdates | |
| "is-trusted-update=$isTrusted" >> $env:GITHUB_OUTPUT | |
| - name: Checkout code | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| # As long as it's not already approved, approve the pull request and enable auto-merge. | |
| # Our CI tests coupled with required statuses should ensure that the changes compile | |
| # and that the application is still functional after the update; any bug that might be | |
| # introduced by the update should be caught by the tests. If that happens, the build | |
| # workflow will fail and the preconditions for the auto-merge to happen won't be met. | |
| - name: Approve pull request and enable auto-merge | |
| if: ${{ steps.check-dependencies.outputs.is-trusted-update == 'true' }} | |
| env: | |
| GH_TOKEN: ${{ steps.generate-application-token.outputs.token }} | |
| PR_URL: ${{ github.event.pull_request.html_url }} | |
| shell: pwsh | |
| run: | | |
| $approvals = gh api /repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/reviews | ConvertFrom-Json | |
| $approvals = $approvals | Where-Object { $_.user.login -eq $env:REVIEWER_LOGIN } | |
| $approvals = $approvals | Where-Object { $_.state -eq "APPROVED" } | |
| if ($approvals.Length -eq 0) { | |
| gh pr checkout "$env:PR_URL" | |
| gh pr review --approve "$env:PR_URL" | |
| gh pr merge --auto --squash "$env:PR_URL" | |
| } | |
| else { | |
| Write-Host "PR already approved."; | |
| } | |
| # If something was present in the pull request that isn't expected, then disable | |
| # auto-merge so that a human is required to look at the pull request and make a | |
| # decision to merge it or not. This is to prevent the pull request from being merged | |
| # automatically if there's an unexpected change introduced. Any existing review | |
| # approvals that were made by the bot are also dismissed so human approval is required. | |
| - name: Disable auto-merge and dismiss approvals | |
| if: ${{ steps.check-dependencies.outputs.is-trusted-update != 'true' }} | |
| env: | |
| GH_TOKEN: ${{ steps.generate-application-token.outputs.token }} | |
| PR_URL: ${{ github.event.pull_request.html_url }} | |
| shell: pwsh | |
| run: | | |
| $approvals = gh api /repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/reviews | ConvertFrom-Json | |
| $approvals = $approvals | Where-Object { $_.user.login -eq $env:REVIEWER_LOGIN } | |
| $approvals = $approvals | Where-Object { $_.state -eq "APPROVED" } | |
| if ($approvals.Length -gt 0) { | |
| gh pr checkout "$env:PR_URL" | |
| gh pr merge --disable-auto "$env:PR_URL" | |
| foreach ($approval in $approvals) { | |
| gh api ` | |
| --method PUT ` | |
| /repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/reviews/$($approval.id)/dismissals ` | |
| -f message='Cannot approve as other changes have been introduced.' ` | |
| -f event='DISMISS' | |
| } | |
| } | |
| else { | |
| Write-Host "PR not already approved."; | |
| } |