Demo for issue: Kopia not running actions when snapshot source is a single file.

Kopia-actions-not-running.ps1

#
# Demo for issue: Kopia not running actions when snapshot source is a single file.
# 
# Tested with
#   Kopia 0.13.0
#   Windows Server 2022
#


# Demo settings
$DEMO_ROOT_FOLDER = 'C:\kopia-test\'                        # Any temp folder on your machine (without spaces!)
$USE_FILE_AS_SOURCE = $false                                # Set this to $true to reproduce the bug

# Kopia settings
$env:KOPIA_CONFIG_PATH = Join-Path $DEMO_ROOT_FOLDER 'repository.config'
$env:KOPIA_PASSWORD='dummy-passw0rd'
$env:KOPIA_CHECK_FOR_UPDATES='false'    # Disables check for Kopia updates on GitHub (--no-check-for-updates)


#
# Main
# 

$MY_REPOSITORY = Join-Path $DEMO_ROOT_FOLDER 'Repository\'
$LOGFILE = Join-Path $DEMO_ROOT_FOLDER 'log.txt'

$MY_SOURCE = if ($USE_FILE_AS_SOURCE) { 
    Join-Path $DEMO_ROOT_FOLDER 'Source\EFI\memtest.efi'
} else { 
    Join-Path $DEMO_ROOT_FOLDER 'Source\' 
}

# Create source folder with some files to backup

if ($USE_FILE_AS_SOURCE) {     
    $sourceFolder = Split-Path -Path $MY_SOURCE -Parent
    mkdir $sourceFolder -Force -ErrorAction SilentlyContinue | Out-Null
    Copy-Item -Path 'C:\Windows\Boot\EFI\memtest.efi' -Destination $sourceFolder
} else {
    mkdir $MY_SOURCE -Force -ErrorAction SilentlyContinue | Out-Null
    ROBOCOPY /S 'C:\Windows\Boot' $MY_SOURCE | Out-Null
}

# Create local filesystem repository (if does not exists).
if (-not (Test-Path $MY_REPOSITORY)) {
    kopia repository create filesystem --path $MY_REPOSITORY --enable-actions
}

# Connect
kopia repository connect filesystem --path $MY_REPOSITORY --enable-actions

# Configure policies (before & after snapshot)
$beforeScriptFile = Join-Path $DEMO_ROOT_FOLDER 'before.ps1'
@"
echo "$(Get-Date -Format 's')  BEFORE script was called." | Add-Content -Path $LOGFILE 
exit 0    # Force exit code = 0
"@ | Out-File $beforeScriptFile
kopia policy set $MY_SOURCE --before-snapshot-root-action "powershell.exe -File $beforeScriptFile"

$afterScriptFile = Join-Path $DEMO_ROOT_FOLDER 'after.ps1'
@"
Start-Sleep -Seconds 5

echo "$(Get-Date -Format 's')  AFTER script was called." | Add-Content -Path $LOGFILE 
exit 0    # Force exit code = 0
"@ | Out-File $afterScriptFile
kopia policy set $MY_SOURCE --after-snapshot-root-action "powershell.exe -File $afterScriptFile"

# Create snapshot -- This should run BEFORE and AFTER scripts.
kopia snapshot create $MY_SOURCE

# List snapshots
# kopia snapshot list

# Disconnect
# kopia repository disconnect