RUN8-backup.ps1

# A simple PowerShell script to backup RUN 8 configs
# Twitter: @Kerbo_
#

# Change to your Run 8 path if not default
$run8Dir = "C:\Run8Studios\Run8 Train Simulator V3"

#
# No changes below here
#

$ErrorActionPreference = 'SilentlyContinue'
$dateString = $(get-date -f yyy-MM-dd_HH-mm)
Push-Location $run8Dir

$configs = @(
    "Content\RailDriverCalibration.r8"
    "Content\Run8KeySettings.r8"
    "Content\Run8Settings.r8"
    "Content\V3RailVehicles\HornBellConfiguration.r8"
    "Content\V3RailVehicles\UnitNumberDatabase.xml"
)

$regionFiles = @(
    "TrainSymbolRoutings.xml"
    "Config.ind"
    "Hump.r8"
    "Traffic.r8"
    "WX_Stations.txt"
)

foreach ($config in $configs) {
    $found = ""
    try {
        if(Test-Path -Path $config -PathType Leaf) {
            $found = "True"
        }
    } catch {
        # do nothing
    }

    if($found) {
        $config_hash = Get-FileHash $config
        $backup = gci $config-* | select -last 1
        $backup_hash = Get-FileHash $backup -EV Err -EA SilentlyContinue
        if ( $backup_hash.Hash -eq $config_hash.Hash ) {
            Write-Host "$config matches latest backup, no backup needed"
        } else {
            cp $config $config-$dateString
            $RET=$?
            if ($RET) {
                Write-Host "Copied $config to $config-$dateString"
            } else {
                Write-Host "Error! cp returned $RET for $config"
            }
        }
    }
}

foreach ($regionFile in $regionFiles) {
    $regionFilesFound = gci -Recurse $regionFile
    if ( $regionFilesFound ) {
        foreach ($config in $regionFilesFound) {
            $config_hash = Get-FileHash $config
            $backup = gci $config-* | select -last 1
            $backup_hash = Get-FileHash $backup -EV Err -EA SilentlyContinue
            if ( $backup_hash.Hash -eq $config_hash.Hash ) {
                Write-Host "$config matches latest backup, no backup needed"
            } else {
                cp $config $config-$dateString
                $RET=$?
                if ($RET) {
                    Write-Host "Copied $config to $config-$dateString"
                } else {
                    Write-Host "Error! cp returned $RET for $config"
                }
            }
        }
    }
}

Pop-Location
# Sleep to show screen output before exiting
Start-Sleep -Seconds 5