add architecture to installer script (#91)

Author: dmitry-shibanov

Diff for: builders/nix-go-builder.psm1

@@ -44,7 +44,7 @@ class NixGoBuilder : GoBuilder {
         $installationTemplateLocation = Join-Path -Path $this.InstallationTemplatesLocation -ChildPath $this.InstallationTemplateName
 
         $installationTemplateContent = Get-Content -Path $installationTemplateLocation -Raw
-        $installationTemplateContent = $installationTemplateContent -f $this.Version.ToString(3)
+        $installationTemplateContent = $installationTemplateContent -f $this.Version.ToString(3), $this.Architecture
         $installationTemplateContent | Out-File -FilePath $installationScriptLocation
 
         Write-Debug "Done; Installation script location: $installationScriptLocation)"

Diff for: installers/nix-setup-template.sh

@@ -1,10 +1,11 @@
 set -e
 
 GO_VERSION={0}
+ARCH={1}
 
 GO_TOOLCACHE_PATH=$AGENT_TOOLSDIRECTORY/go
 GO_TOOLCACHE_VERSION_PATH=$GO_TOOLCACHE_PATH/$GO_VERSION
-GO_TOOLCACHE_VERSION_ARCH_PATH=$GO_TOOLCACHE_VERSION_PATH/x64
+GO_TOOLCACHE_VERSION_ARCH_PATH=$GO_TOOLCACHE_VERSION_PATH/$ARCH
 
 echo "Check if Go hostedtoolcache folder exist..."
 if [ ! -d $GO_TOOLCACHE_PATH ]; then
@@ -22,4 +23,4 @@ cp -R ./* $GO_TOOLCACHE_VERSION_ARCH_PATH
 rm $GO_TOOLCACHE_VERSION_ARCH_PATH/setup.sh
 
 echo "Create complete file"
-touch $GO_TOOLCACHE_VERSION_PATH/x64.complete
+touch $GO_TOOLCACHE_VERSION_PATH/$ARCH.complete