From 946811068fcd3e82bd98ce86dc44c0eca1c87c6d Mon Sep 17 00:00:00 2001
From: "Miso Zmiric (Mike Squinter)" <miso.zmiric@gmail.com>
Date: Sun, 5 Jul 2015 21:08:16 +0100
Subject: [PATCH] add local libversion checks for VS (via powershell)

---
 .gitignore    |  1 +
 pre-build.ps1 | 26 ++++++++++++++++++++++++--
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index a23212bf70..9a83493328 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,7 @@ distribution/windows/*.exe
 
 #lib
 lib
+libversion
 
 #################
 ## Eclipse
diff --git a/pre-build.ps1 b/pre-build.ps1
index a4b2246d58..938f4c7f7b 100644
--- a/pre-build.ps1
+++ b/pre-build.ps1
@@ -1,11 +1,33 @@
+#init
+$libversion = 1
 $path = Split-Path $Script:MyInvocation.MyCommand.Path
 $zip = $path+'\orctlibs.zip'
 $libs = $path+'\lib'
+$libsVFile = $path+'\libversion'
 $libsTest = Test-Path $libs
-if (!$libsTest) {
-	mkdir $libs
+
+#libs version test
+$libsVersionTest = Test-Path $libsVFile
+$currentVersion = 0
+$needsdownload = $true
+if ($libsVersionTest) {
+    $currentVersion = [IO.File]::ReadAllText($libsVFile)
+}
+if ($currentVersion -ge $libversion) {
+    $needsdownload = $false
+}
+
+#download
+if (!$libsTest -or $needsdownload) {
+	if ($libsTest) {
+        rm $libs -Recurse -Force
+    }
+    mkdir $libs
 	Invoke-WebRequest https://download.openrct2.website/dev/lib/vs -OutFile $path\orctlibs.zip
 	[System.Reflection.Assembly]::LoadWithPartialName('System.IO.Compression.FileSystem') > $null
 	[System.IO.Compression.ZipFile]::ExtractToDirectory($zip, $libs)
 	rm $path\orctlibs.zip -Force -ErrorAction SilentlyContinue
+    $libversion | Set-Content $libsVFile
+} else {
+    echo 'All libs up to date'
 }