unified build script

src/scripts/mkwininstaller.ps1

@@ -1,11 +1,9 @@
-if (-not (Test-Path env:APP_VERSION)) { 
-    echo "APP_VERSION is not set. Please set it to the version you want to build"; 
-    echo '$Env:APP_VERSION = "0.3.0"'
-    exit; 
-}
-$target="zec-qt-wallet-v$Env:APP_VERSION"
+param (
+    [Parameter(Mandatory=$true)][string]$version
+)
+
+$target="zec-qt-wallet-v$version"
 
-echo "Building Installer"
 Remove-Item -Path release/wininstaller -Recurse | Out-Null
 New-Item release/wininstaller -itemtype directory | Out-Null
 
@@ -15,10 +13,17 @@ Copy-Item release/$target/README.md release/wininstaller/
 Copy-Item release/$target/zcashd.exe release/wininstaller/
 Copy-Item release/$target/zcash-cli.exe release/wininstaller/
 
-cat src/scripts/zec-qt-wallet.wxs | % { $_ -replace "RELEASE_VERSION", "$Env:APP_VERSION" } > release/wininstaller/zec-qt-wallet.wxs
+cat src/scripts/zec-qt-wallet.wxs | % { $_ -replace "RELEASE_VERSION", "$version" } > release/wininstaller/zec-qt-wallet.wxs
 
 candle.exe release/wininstaller/zec-qt-wallet.wxs -o release/wininstaller/zec-qt-wallet.wixobj 
+if (!$?) {
+    exit 1;
+}
+
 light.exe -ext WixUIExtension -cultures:en-us release/wininstaller/zec-qt-wallet.wixobj -out release/wininstaller/zec-qt-wallet.msi 
+if (!$?) {
+    exit 1;
+}
 
 New-Item artifacts -itemtype directory -Force | Out-Null
 Copy-Item release/wininstaller/zec-qt-wallet.msi ./artifacts/$target.msi