diff --git a/.drone.yml b/.drone.yml
index 3f2e887..734be91 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -4,12 +4,6 @@ pipeline:
     commands:
       - npm i
       - npm run lint
-  test:
-    image: node:${NODE_VERSION}
-    commands:
-      - npm i
-      - npm i -g vscode
-      - npm run test
 
 matrix:
   NODE_VERSION:
diff --git a/package.json b/package.json
index 8dbe22b..638a172 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,10 @@
         "Programming Languages"
     ],
     "activationEvents": [
-        "onLanguage:glsl"
+        "onLanguage:glsl",
+        "workspaceContains:**/*.fsh",
+        "workspaceContains:**/*.vsh",
+        "workspaceContains:**/*.gsh"
     ],
     "extensionDependencies": [
         "slevesque.shader"
diff --git a/src/extension.ts b/src/extension.ts
index 8cb2216..ae898b1 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -2,7 +2,20 @@
 
 import * as vscode from 'vscode'
 import GLSLProvider from './linter/glslProvider'
+import * as shell from 'shelljs'
+
+let glslProv: GLSLProvider;
 
 export function activate(context: vscode.ExtensionContext) {
-    vscode.languages.registerCodeActionsProvider('glsl', new GLSLProvider(context.subscriptions))
+    glslProv = new GLSLProvider(context.subscriptions)
+    vscode.languages.registerCodeActionsProvider('glsl', glslProv)
+}
+
+export function deactivate() {
+    try {
+        console.log('[MC-GLSL] disposing')
+        shell.rm('-rf', glslProv.getConfig().tmpdir)
+      } catch(e) {
+        console.log(e)
+      }
 }
\ No newline at end of file
diff --git a/src/linter/glslProvider.ts b/src/linter/glslProvider.ts
index e1d894d..1e01126 100644
--- a/src/linter/glslProvider.ts
+++ b/src/linter/glslProvider.ts
@@ -10,9 +10,9 @@ import * as path from 'path'
 // glslangPath: Path to glslangValidator (assumed in PATH by default)
 // tmpdir: the directory into which the symlinks are stored, should be the OS's temp dir
 interface Config {
-  glslangPath: string
-  tmpdir: string
-  isWin: boolean
+  readonly glslangPath: string
+  readonly tmpdir: string
+  readonly isWin: boolean
 }
 
 // These are used for symlinking as glslangValidator only accepts files in these formats
@@ -44,6 +44,8 @@ export default class GLSLProvider implements vscode.CodeActionProvider {
     this.diagnosticCollection = vscode.languages.createDiagnosticCollection()
 
     subs.push(this)
+
+    // For if i ever get testing to work
     if (config !== null) {
       this.config = this.initConfig()
     } else {
@@ -67,9 +69,11 @@ export default class GLSLProvider implements vscode.CodeActionProvider {
 
     vscode.workspace.onDidChangeConfiguration(this.configChange, this)
 
-    vscode.workspace.textDocuments.forEach((doc: vscode.TextDocument) => {
-      this.lint(doc)
-    })
+    vscode.workspace.textDocuments.forEach((doc: vscode.TextDocument) => this.lint(doc))
+  }
+
+  public getConfig(): Config {
+    return this.config
   }
 
   private initConfig(): Config {
@@ -130,9 +134,9 @@ export default class GLSLProvider implements vscode.CodeActionProvider {
   // and then remove all lines that match any of the regex
   private parseOutput(linkname: string): string[] {
     const res = cp.spawnSync(this.config.glslangPath, [linkname]).output[1].toString()
-    return res.split(/(?:\n)/g)
-      .filter((s: string) => s !== '')
-      .slice(1, -1) // TODO not this
+    return res.split('\n')
+      .filter((s: string) => s.length > 1)
+      .slice(1)
       .filter((s: string) => !this.matchesFilters(s))
   }
 
@@ -148,12 +152,6 @@ export default class GLSLProvider implements vscode.CodeActionProvider {
 
     const lines = this.parseOutput(linkname)
 
-    if(lines.length < 1) {
-      // If there were no errors, we need to set the list empty so that the editor reflects that
-      this.diagnosticCollection.set(document.uri, [])
-      return
-    }
-
     const diags: vscode.Diagnostic[] = []
 
     lines.forEach((line: string) => {