Update solution changes detected method in PR/pipelines about powerapps-project-template HOT 2 OPEN

steps:
        - task: PowerShell@2
          displayName: 'Add build tag for each updated solution'
          inputs:
            targetType: 'filePath'
            errorActionPreference: 'stop'
            filePath: 'pipelines/scripts/Add-BuildTagForEachUpdatedSolution.ps1'
          env:
           SYSTEM_ACCESSTOKEN: $(System.AccessToken)

$targetbranch =  $env:SYSTEM_PULLREQUEST_TARGETBRANCH.replace('refs/heads/', '')
$resultArray = git diff --name-only  origin/$targetbranch 

[System.Collections.ArrayList]$changedSolutions = @()
$commit = 0

foreach ($_ in $resultArray) {
  if ($_.StartsWith("src/solutions")) {
    $solutionName = $_.Split("/")[2]

    if (!$changedSolutions.Contains($solutionName)) {
      $changedSolutions.Add($solutionName)
      Write-Host "##vso[build.addbuildtag]$solutionName" 
      $solutionxmlPath = 'src/solutions/' + $solutionName + '/Extract/Other/Solution.xml'
      $s = 'origin/' + $targetbranch + ':' + $solutionxmlPath
      [xml]$solutionxmltarget = git show $s
      [xml]$solutionxmlsource = Get-Content -Path  $solutionxmlPath
      $sourceVersion = [version]$solutionxmlsource.ImportExportXml.SolutionManifest.Version
      $tagetVersion = [version]$solutionxmltarget.ImportExportXml.SolutionManifest.Version
      if ($sourceVersion -le $tagetVersion)
      {
       $newVersion  =   [version]::New($tagetVersion.Major,$tagetVersion.Minor,$tagetVersion.Build,$tagetVersion.Revision+1)
       $solutionxmlsource.ImportExportXml.SolutionManifest.Version = [string]$newVersion
       $solutionxmlsource.Save($solutionxmlPath)
        $commit = 1
      }
    }
  }
}
$output = $changedSolutions -Join ','  
Write-Host "##vso[task.setvariable variable=solutionList]$output"
if ( $commit -eq 1 )
{
$un = git show -s --format="<%aN>" 
$ue = git show -s --format="<%aE>" 
git config --global user.email $ue
git config --global user.name $un
git checkout $env:SYSTEM_PULLREQUEST_SOURCEBRANCH.replace('refs/heads/', '')
git add .
git commit  --message "auto-version"
git config --global http.extraheader "AUTHORIZATION: bearer  $env:SYSTEM_ACCESSTOKEN"
git push  
}