Resolve OneDrive conflicts in automatically renamed files

resolveOneDriveConflicts.ps1

$winMergeExe = "$env:LOCALAPPDATA\Programs\WinMerge\WinMergeU.exe"
$oneDrivePaths = Get-Item -Path Env:\OneDrive* | Select-Object -Unique -ExpandProperty Value
# $duplicatePattern = New-Object -TypeName regex -ArgumentList @('(.+)(?:-[^-\s]+$|\.[^\.]+\.bak$)', [System.Text.RegularExpressions.RegexOptions]::Compiled,[timespan]::FromMilliseconds(100))
$duplicatePattern = New-Object -TypeName regex -ArgumentList @("(.+)(?:-${env:COMPUTERNAME}(?:-\d+)*`$)", [System.Text.RegularExpressions.RegexOptions]::Compiled,[timespan]::FromMilliseconds(100))
foreach($onedrive in $oneDrivePaths){
    Get-ChildItem -Path $onedrive -File -Recurse | Where-Object -FilterScript { $_.BaseName -match $duplicatePattern  -and (Test-Path -Path (Join-Path -Path ($_.Directory.FullName) -ChildPath ($Matches[1] + $_.Extension)) -PathType Leaf)} | ForEach-Object {
        $original = Join-Path -Path ($_.Directory.FullName) -ChildPath ($Matches[1] + $_.Extension)
        $duplicate = $_.FullName
        $originalHash = Get-FileHash -Path $original
        $duplicateHash = Get-FileHash -Path $duplicate
        if($originalHash.Hash -eq $duplicateHash.Hash){
            Remove-Item -Path $duplicate
        } else {
            &$winMergeExe $original $duplicate
            Remove-Item -Path $duplicate -Confirm
        }
    }
}