Add warning when Clojure extension is detected

Fixes #1427
Fixes #1426

CHANGELOG.md

@@ -3,7 +3,9 @@
 Changes to Calva.
 
 ## [Unreleased]
-- Fix: [ Babashka Jack-In REPL doesn't show eval errors](https://github.com/BetterThanTomorrow/calva/issues/1413)
+- Fix: [Babashka Jack-In REPL doesn't show eval errors](https://github.com/BetterThanTomorrow/calva/issues/1413)
+- [Inform about conflict with the Clojure extension](https://github.com/BetterThanTomorrow/calva/issues/1427)
+
 
 ## [2.0.228] - 2021-12-02
 - Revert: Parinfer Experimental

src/extension.ts

@@ -99,13 +99,14 @@ async function activate(context: vscode.ExtensionContext) {
     const pareEditExtension = vscode.extensions.getExtension('cospaia.paredit-revived');
     const cwExtension = vscode.extensions.getExtension('tonsky.clojure-warrior');
     const vimExtension = vscode.extensions.getExtension('vscodevim.vim');
-    const cwConfig = vscode.workspace.getConfiguration('clojureWarrior');
+    const clojureExtension = vscode.extensions.getExtension('avli.clojure');
     const customCljsRepl = config.getConfig().customCljsRepl;
     const replConnectSequences = config.getConfig().replConnectSequences;
     const BUTTON_GOTO_DOC = "Open the docs";
     const BUTTON_OK = "Got it";
     const VIM_DOC_URL = "https://calva.io/vim/";
     const VIEWED_VIM_DOCS = "viewedVimDocs";
+    const DONT_SHOW_CLOJURE_EXT_NAG = "dontShowClojureExtNag";
     const CONNECT_SEQUENCES_DOC_URL = "https://calva.io/connect-sequences/";
     const CALVA_DOCS_URL = "https://calva.io/";
     const VIEWED_CALVA_DOCS = "viewedCalvaDocs";
@@ -313,6 +314,18 @@ async function activate(context: vscode.ExtensionContext) {
         }
     }
 
+    if (clojureExtension) {
+        chan.appendLine(`The Clojure Extension is installed.\n`);
+        if (!context.globalState.get(DONT_SHOW_CLOJURE_EXT_NAG)) {
+            vscode.window.showWarningMessage("You have the Clojure extension installed. Please note that it will conflict with Calva.", "Don't show again", 'OK')
+                .then(v => {
+                    if (v == "Don't show again") {
+                        context.globalState.update(DONT_SHOW_CLOJURE_EXT_NAG, true);
+                    }
+                })
+        }
+    }
+
     state.analytics().logPath("/activated").logEvent("LifeCycle", "Activated").send();
 
     if (!cwExtension) {