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[CmdletBinding(SupportsShouldProcess)]
param(
# The repo owner: e.g. Azure
$RepoOwner,
# The repo name. E.g. azure-sdk-for-java
$RepoName,
# Please use the RepoOwner/RepoName format: e.g. Azure/azure-sdk-for-java
$RepoId="$RepoOwner/$RepoName",
# CentralRepoId the original PR to generate sync PR. E.g Azure/azure-sdk-tools for eng/common
$CentralRepoId,
# We start from the sync PRs, use the branch name to get the PR number of central repo. E.g. sync-eng/common-(<branchName>)-(<PrNumber>). Have group name on PR number.
# For sync-eng/common work, we use regex as "^sync-eng/common.*-(?<PrNumber>\d+).*$".
$BranchRegex,
# Date format: e.g. Tuesday, April 12, 2022 1:36:02 PM. Allow to use other date format.
[AllowNull()]
[DateTime]$LastCommitOlderThan,
[Parameter(Mandatory = $true)]
$AuthToken
)
. (Join-Path $PSScriptRoot common.ps1)
LogDebug "Operating on Repo [ $RepoId ]"
try{
# pull all branches.
$responses = Get-GitHubSourceReferences -RepoId $RepoId -Ref "heads" -AuthToken $AuthToken
}
catch {
LogError "Get-GitHubSourceReferences failed with exception:`n$_"
exit 1
}
foreach ($res in $responses)
{
if (!$res -or !$res.ref) {
LogDebug "No branch returned from the branch prefix $BranchRegex on $Repo. Skipping..."
continue
}
$branch = $res.ref
$branchName = $branch.Replace("refs/heads/","")
if (!($branchName -match $BranchRegex)) {
continue
}
# Get all open sync PRs associate with branch.
try {
$head = "${RepoId}:${branchName}"
LogDebug "Operating on branch [ $branchName ]"
$pullRequests = Get-GitHubPullRequests -RepoId $RepoId -State "all" -Head $head -AuthToken $AuthToken
}
catch
{
LogError "Get-GitHubPullRequests failed with exception:`n$_"
exit 1
}
$openPullRequests = $pullRequests | ? { $_.State -eq "open" }
if (!$CentralRepoId -and $openPullRequests.Count -gt 0) {
LogDebug "CentralRepoId is not configured and found open PRs associate with branch [ $branchName ]. Skipping..."
continue
}
# check central PR
if ($CentralRepoId) {
$pullRequestNumber = $Matches["PrNumber"]
# If central PR number found, then skip
if (!$pullRequestNumber) {
LogError "No PR number found in the branch name. Please check the branch name [ $branchName ]. Skipping..."
continue
}
try {
$centralPR = Get-GitHubPullRequest -RepoId $CentralRepoId -PullRequestNumber $pullRequestNumber -AuthToken $AuthToken
LogDebug "Found central PR pull request: $($centralPR.html_url)"
if ($centralPR.state -ne "closed") {
# Skipping if there open central PR number for the branch.
continue
}
}
catch
{
# If there is no central PR for the PR number, log error and skip.
LogError "Get-GitHubPullRequests failed with exception:`n$_"
LogError "Not found PR number [ $pullRequestNumber ] from [ $CentralRepoId ]. Skipping..."
continue
}
}
foreach ($openPullRequest in $openPullRequests) {
Write-Host "Open pull Request [ $($openPullRequest.html_url) ] will be closed after branch deletion."
}
# If there is date filter, then check if branch last commit older than the date.
if ($LastCommitOlderThan) {
if (!$res.object -or !$res.object.url) {
LogWarning "No commit url returned from response. Skipping... "
continue
}
try {
$commitDate = Get-GithubReferenceCommitDate -commitUrl $res.object.url -AuthToken $AuthToken
if (!$commitDate) {
LogDebug "No last commit date found. Skipping."
continue
}
if ($commitDate -gt $LastCommitOlderThan) {
LogDebug "The branch $branch last commit date [ $commitDate ] is newer than the date $LastCommitOlderThan. Skipping."
continue
}
LogDebug "Branch [ $branchName ] in repo [ $RepoId ] has a last commit date [ $commitDate ] that is older than $LastCommitOlderThan. "
}
catch {
LogError "Get-GithubReferenceCommitDate failed with exception:`n$_"
exit 1
}
}
try {
if ($PSCmdlet.ShouldProcess("[ $branchName ] in [ $RepoId ]", "Deleting branches on cleanup script")) {
Remove-GitHubSourceReferences -RepoId $RepoId -Ref $branch -AuthToken $AuthToken
Write-Host "The branch [ $branchName ] with sha [$($res.object.sha)] in [ $RepoId ] has been deleted."
}
}
catch {
LogError "Remove-GitHubSourceReferences failed with exception:`n$_"
exit 1
}
}
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