Merge pull request #1127 from salesforcecli/mdonnalley/warn-about-ver…

…sion-diffs

feat: add version diff prerun hook

package.json

@@ -88,7 +88,8 @@
     "hooks": {
       "command_incomplete": "./dist/hooks/incomplete",
       "plugins:preinstall": "./dist/hooks/pluginsPreinstall.js",
-      "update": "./dist/hooks/display-release-notes.js"
+      "update": "./dist/hooks/display-release-notes.js",
+      "prerun": "./dist/hooks/prerun"
     },
     "update": {
       "s3": {

src/hooks/prerun.ts

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2023, salesforce.com, inc.
+ * All rights reserved.
+ * Licensed under the BSD 3-Clause license.
+ * For full license text, see LICENSE.txt file in the repo root or https://opensource.org/licenses/BSD-3-Clause
+ */
+
+import { Hook, ux } from '@oclif/core';
+
+// eslint-disable-next-line @typescript-eslint/require-await
+const hook: Hook.Prerun = async function ({ Command, config }) {
+  if (process.argv.includes('--json')) return;
+  const { plugin } = Command;
+  if (!plugin) return;
+  if (plugin.type === 'link') return;
+
+  const jitPlugins = config.pjson.oclif.jitPlugins ?? {};
+  const deps = config.pjson.dependencies ?? {};
+
+  const specifiedVersion = jitPlugins[plugin.name] ?? deps[plugin.name];
+  if (!specifiedVersion) return;
+
+  if (plugin.version !== specifiedVersion) {
+    ux.warn(
+      `Plugin ${plugin.name} (${plugin.version}) differs from the version specified by ${config.bin} (${specifiedVersion})`
+    );
+  }
+};
+
+export default hook;