functions/Update-Repo.ps1
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function Update-Repo { param ( [Parameter(Mandatory=$true)] [string] $OrgName, [Parameter(Mandatory=$true)] [string] $RepoName, [Parameter(Mandatory=$true)] [string] $BranchName, [Parameter(Mandatory=$true)] [scriptblock] $RepoChanges, [Parameter(Mandatory=$true)] [string] $CommitMessage, [Parameter(Mandatory=$true)] [string] $PrTitle, [Parameter()] [array] $RepoChangesArguments = @(), [Parameter()] [string] $PrBody = " ", [Parameter()] [string[]] $PrLabels, [Parameter()] [switch] $PassThruPullRequestUri, [Parameter()] [switch] $WhatIf ) $RepoUrl = "https://github.com/$OrgName/$($RepoName).git" # Handle GitHub authentication based on whether running in GitHub Actions workflow or not if ( [string]::IsNullOrEmpty($env:GITHUB_TOKEN) -and (Test-Path env:\GITHUB_WORKFLOW) ) { Write-Error "The environment variable GITHUB_TOKEN is not set" exit } elseif ([string]::IsNullOrEmpty($env:GITHUB_TOKEN)) { Write-Information "GITHUB_TOKEN environment variable not present - triggering interactive login..." gh auth login # handle cross-platform path differences if ($IsWindows) { $configPath = Join-Path $env:APPDATA "GitHub CLI" } else { $configPath = "~/.config/gh" } $ghConfig = Get-Content (Join-Path $configPath "hosts.yml") -Raw | ConvertFrom-Yaml $env:GITHUB_TOKEN = $ghConfig."github.com".oauth_token } if ('no_release' -in $PrLabels) { Write-Information "Checking for 'no_release' label" $resp = Assert-GitHubLabel -OrgName $OrgName ` -RepoName $RepoName ` -Name 'no_release' ` -Description 'Suppresses auto_release functionality' ` -Color '27e8b4' ` -Verbose:$False } $tempDir = New-TemporaryDirectory Push-Location $tempDir.FullName try { Write-Information "Created temporary directory: $($tempDir.FullName)" Write-Information "Cloning: $RepoUrl" git clone $RepoUrl . | Write-Information if ($LASTEXITCODE -ne 0) { throw "git cli returned non-zero exit code cloning the repo - check previous log messages" } # Check whether the branch already exists on the remote if ( $(git ls-remote --heads $RepoUrl $BranchName) ) { Write-Information "Checking-out existing branch: $BranchName" git checkout $BranchName | Write-Information if ($LASTEXITCODE -ne 0) { throw "git cli returned non-zero exit code checking out existing branch - check previous log messages" } $defaultBranch = Get-GitHubRepoDefaultBranch -OrgName $OrgName -RepoName $RepoName Write-Information "Syncing branch with $defaultBranch" git merge $defaultBranch | Write-Information if ($LASTEXITCODE -ne 0) { throw "git cli returned non-zero exit code rebasing against master - check previous log messages" } } else { Write-Information "Creating new branch: $BranchName" git checkout -b $BranchName | Write-Information if ($LASTEXITCODE -ne 0) { throw "git cli returned non-zero exit code checking out new branch - check previous log messages" } } $isUpdated = $RepoChanges.Invoke($RepoChangesArguments) if ($isUpdated) { if (!$WhatIf) { Write-Information "Committing changes" git add . | Write-Information if ($LASTEXITCODE -ne 0) { throw "git cli returned non-zero exit code staging files ('$LASTEXITCODE') - check previous log messages" } $noChanges = $false $output = git commit -m $CommitMessage if ($LASTEXITCODE -ne 0) { if ($output -match 'nothing to commit') { $noChanges = $true Write-Information "git detected no changes - skipping update" # reset $LASTEXITCODE to avoid subsequent mis-interpretation $LASTEXITCODE = 0 } else { throw "git cli returned non-zero exit code committing changes ('$LASTEXITCODE'):`n$output" } } if ( -not $noChanges ) { Write-Information "Pushing branch" git push -u origin $BranchName | Write-Information if ($LASTEXITCODE -ne 0) { Write-Error "git cli returned non-zero exit code when pushing branch ('$LASTEXITCODE') - check logs" } # Check whether this branch already has an open PR (i.e. where pr-autoflow isn't installed or after a previous failure) $existingPr = Test-GitHubPrByBranchName -OrgName $OrgName ` -RepoName $RepoName ` -BranchName $BranchName if (!$existingPr) { Write-Information "Opening new PR" $ghPrArgs = @("pr", "create", "--title", $PrTitle, "--body", $PrBody, "--repo", "$OrgName/$RepoName") if ($PrLabels) { $ghPrArgs += @("--label", $PrLabels) } gh @ghPrArgs | Write-Information if ($LASTEXITCODE -ne 0) { throw "github cli returned non-zero exit code - check previous log messages" } } else { Write-Information "Existing PR will be updated" } # Optional feature to return the URI for the PR used above if ($PassThruPullRequestUri) { $pr = Get-GitHubPrByBranchName -OrgName $OrgName ` -RepoName $RepoName ` -BranchName $BranchName return $pr.url } } } else { Write-Information "What if: Would have committed changes and created new PR" } } else { Write-Information "Repo was unchanged" } } finally { Pop-Location Write-Verbose "Deleting temporary directory: $($tempDir.FullName)" Remove-Item $tempDir -Recurse -Force } } |