public/Automerge-DockerImageVariantsPR.ps1
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function Automerge-DockerImageVariantsPR { [CmdletBinding(SupportsShouldProcess)] param ( [Parameter(Mandatory,Position=0)] [object]$PR ) try { $callerEA = $ErrorActionPreference $ErrorActionPreference = 'Stop' $env:GITHUB_TOKEN = if ($env:GITHUB_TOKEN) { $env:GITHUB_TOKEN } else { (Get-Content ~/.git-credentials -Encoding utf8 -Force -ErrorAction SilentlyContinue) -split "`n" | % { if ($_ -match '^https://[^:]+:([^:]+)@github.com') { $matches[1] } } | Select-Object -First 1 } if (!$env:GITHUB_TOKEN) { throw "GITHUB_TOKEN env var is empty" } $headers = @{ 'Accept' = 'application/vnd.github+json' 'Authorization' = "Bearer $env:GITHUB_TOKEN" 'X-GitHub-Api-Version' = '2022-11-28' } "Will automerge PR" | Write-Host if (!$WhatIfPreference) { while ($true) { $pr = Invoke-RestMethod -Method GET -Headers $headers -Uri "https://api.github.com/repos/$( $pr.base.repo.full_name )/pulls/$( $pr.number )" $commitsDiff = Invoke-RestMethod -Method GET -Headers $headers -Uri "https://api.github.com/repos/$( $pr.base.repo.full_name )/compare/$( $pr.base.ref )...$( $pr.head.sha )" if ($commitsDiff.behind_by -gt 0) { "PR behind_by: $( $commitsDiff.behind_by ) commits. Rebasing PR" | Write-Host Execute-Command { git checkout $pr.head.ref } Execute-Command { git fetch origin master } Execute-Command { git rebase origin/master } Execute-Command { git push origin $pr.head.ref -f } }else { "PR html_url: $( $pr.html_url )" | Write-Host "PR state: $( $pr.state )" | Write-Host "PR mergeable: $( $pr.mergeable )" | Write-Host "PR merged: $( $pr.merged )" | Write-Host $checkSuites = Invoke-RestMethod -Method GET -Headers $headers -Uri "https://api.github.com/repos/$( $pr.base.repo.full_name )/commits/$( $pr.head.sha )/check-suites" #-Body (@{ "PR total check suites: $( $checkSuites.total_count ) " | Write-Host $checkSuiteMostRecent = $checkSuites.check_suites | Sort-Object -Property created_at -Descending | Select-Object -First 1 "PR latest check suite status: $( $checkSuiteMostRecent.status )" | Write-Host "PR latest check suite conclusion: $( $checkSuiteMostRecent.conclusion )" | Write-Host if ($pr.mergeable -eq $false) { # NOTE: $pr.mergeable may occasionally be empty when the PR is just created or forced push. Only error when value is 'false' throw "Skip merging PR because it is not mergeable" } if ($pr.mergeable -and $checkSuiteMostRecent.status -eq 'completed' -and $checkSuiteMostRecent.conclusion -eq 'success') { # Successful PR HEAD pipeline "Merging PR" | Write-Host -ForegroundColor Green $prMerge = Invoke-RestMethod -Method PUT -Headers $headers -Uri "https://api.github.com/repos/$( $pr.base.repo.full_name )/pulls/$( $pr.number )/merge" -Body (@{ sha = $pr.head.sha merge_method = 'merge' } | ConvertTo-Json -Depth 100) "Merge sha: $( $prMerge.sha )" | Write-Host "Merge merged: $( $prMerge.merged )" | Write-Host "Merge message: $( $prMerge.message )" | Write-Host break }elseif ($pr.mergeable -and $checkSuiteMostRecent.status -eq 'completed' -and !($checkSuiteMostRecent.conclusion -eq 'success')) { throw "Check suite failed. Skip merging" } } "Checking again in 5 seconds" | Write-Host Start-Sleep -Seconds 5 } $pr = Invoke-RestMethod -Method GET -Headers $headers -Uri "https://api.github.com/repos/$( $pr.base.repo.full_name )/pulls/$( $pr.number )" $pr } }catch { if ($callerEA -eq 'Stop') { throw } if ($callerEA -eq 'Continue') { $msg | Write-Error -ErrorAction Continue } } } |