31 lines
1.3 KiB
PowerShell
31 lines
1.3 KiB
PowerShell
if ($args.Length -eq 0) {
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$kopiaSnapshotId = $env:KOPIA_SNAPSHOT_ID
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$kopiaSourcePath = $env:KOPIA_SOURCE_PATH
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} else {
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$kopiaSnapshotId = $args[0]
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$kopiaSourcePath = $args[1]
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}
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$sourceDrive = Split-Path -Qualifier $kopiaSourcePath
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$sourcePath = Split-Path -NoQualifier $kopiaSourcePath
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# use Kopia snapshot ID as mount point name for extra caution for duplication
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$mountPoint = "${PSScriptRoot}\${kopiaSnapshotId}"
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if (([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] 'Administrator')) {
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$shadowId = (Invoke-CimMethod -ClassName Win32_ShadowCopy -MethodName Create -Arguments @{ Volume = "${sourceDrive}\" }).ShadowID
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$shadowDevice = (Get-CimInstance -ClassName Win32_ShadowCopy | Where-Object { $_.ID -eq $shadowId }).DeviceObject
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if (-not $shadowDevice) {
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# fail the Kopia snapshot early if shadow copy was not created
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exit 1
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}
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cmd /c mklink /d $mountPoint "${shadowDevice}\"
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} else {
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$proc = Start-Process 'powershell' '-f', $MyInvocation.MyCommand.Path, $kopiaSnapshotId, $kopiaSourcePath -PassThru -Verb RunAs -WindowStyle Hidden -Wait
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if ($proc.ExitCode) {
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exit $proc.ExitCode
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}
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}
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Write-Output "KOPIA_SNAPSHOT_PATH=${mountPoint}${sourcePath}"
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