Improve deployment script (add file hash as sanity check).

deploy.bat

@@ -1,2 +1,2 @@
 @echo off
-xcopy /s/e/y target\*.jar %~dp0\ripme.jar
+powershell -c ".\deploy.ps1 -source (Join-Path target (Get-Item -Path .\target\* -Filter *.jar)[0].Name) -dest ripme.jar"

deploy.ps1

@@ -0,0 +1,16 @@
+Param (
+    [Parameter(Mandatory=$True)]
+    [string]$source,
+    [Parameter(Mandatory=$True)]
+    [string]$dest
+)
+
+Copy-Item -Path $source -Destination $dest
+
+$sourceHash = (Get-FileHash $source -algorithm MD5).Hash
+$destHash = (Get-FileHash $dest -algorithm MD5).Hash
+if ($sourceHash -eq $destHash) {
+    Write-Output 'Deployed successfully.'
+} else {
+    Write-Output 'Hash Mismatch: did you close ripme before deploying?'
+}