Add script to help approve eng-common PRs (#9006)

eng/scripts/Approve-Eng-Common-Sync-PRs.ps1

@@ -0,0 +1,54 @@
+[CmdletBinding(SupportsShouldProcess = $true)]
+param(
+  [Parameter(Mandatory = $true)]
+  [string] $engCommonSyncPRNumber
+
+)
+
+gh auth status
+
+if ($LASTEXITCODE -ne 0) {
+  Write-Error "Please login via gh auth login"
+  exit 1
+}
+
+$ghloggedInUser = (gh api user -q .login)
+$engCommonToolsBranch = gh pr view $engCommonSyncPRNumber -R Azure/azure-sdk-tools --json "headRefName" --jq ".headRefName"
+
+if (!$engCommonToolsBranch) {
+  Write-Error "Didn't find branch for PR $engCommonSyncPRNumber in Azure/azure-sdk-tools"
+  exit 1
+} 
+
+# needs to remain in sync with \eng\pipelines\templates\stages\archetype-sdk-tool-repo-sync.yml
+$engCommonSyncBranch = "sync-eng/common-${engCommonToolsBranch}-${engCommonSyncPRNumber}"
+
+# needs to remain in sync with  \eng\pipelines\eng-common-sync.yml
+$repos = @(
+  "azure-sdk",
+  "azure-sdk-for-android",
+  "azure-sdk-for-c",
+  "azure-sdk-for-cpp",
+  "azure-sdk-for-go",
+  "azure-sdk-for-ios",
+  "azure-sdk-for-java",
+  "azure-sdk-for-js",
+  "azure-sdk-for-net",
+  "azure-sdk-for-python"
+)
+
+foreach ($repo in $repos)
+{
+  $prstate = gh pr view $engCommonSyncBranch -R Azure/$repo --json "url,mergeable,mergeStateStatus,reviews" | ConvertFrom-Json
+
+  Write-Host "PR: $($prstate.url) - " -NoNewline 
+  if ($prstate.reviews.author.login -notcontains $ghloggedInUser) {
+    gh pr review $engCommonSyncBranch -R Azure/$repo --approve
+  }
+  else {
+    Write-Host "Already approved"
+  }
+  if ($prstate.mergeStateStatus -ne "CLEAN") {
+    Write-Host "****PR is not mergeable and may need to be manually merged."
+  }
+}