fix(exec): resolve workspace-local bin under the linked install strategy

lib/commands/exec.js

@@ -42,16 +42,16 @@ class Exec extends BaseCommand {
     }
   }
 
-  async callExec (args, { name, locationMsg, runPath } = {}) {
+  async callExec (args, { locationMsg, runPath } = {}) {
     let localBin = this.npm.localBin
     let pkgPath = this.npm.localPrefix
 
     // This is where libnpmexec will actually run the scripts from
     if (!runPath) {
       runPath = process.cwd()
     } else {
-      // We have to consider if the workspace has its own separate versions libnpmexec will walk up to localDir after looking here
-      localBin = resolve(this.npm.localDir, name, 'node_modules', '.bin')
+      // Use the workspace's own node_modules/.bin, not localDir/<name>, since the linked strategy does not symlink workspaces into the root node_modules.
+      localBin = resolve(runPath, 'node_modules', '.bin')
       // We also need to look for `bin` entries in the workspace package.json
       // libnpmexec will NOT look in the project root for the bin entry
       pkgPath = runPath

test/lib/commands/exec.js

@@ -220,6 +220,41 @@ t.test('finds workspace dep first', async t => {
   t.ok(exists.isFile(), 'bin ran, creating file')
 })
 
+t.test('finds workspace dep bin under linked install strategy', async t => {
+  const { npm } = await loadMockNpm(t, {
+    config: {
+      'install-strategy': 'linked',
+    },
+    prefixDir: {
+      'package.json': JSON.stringify({
+        name: '@npmcli/npx-workspace-root-test',
+        workspaces: ['workspace-a', 'tool'],
+      }),
+      'workspace-a': {
+        'package.json': JSON.stringify({
+          name: 'workspace-a',
+          dependencies: { tool: '*' },
+        }),
+      },
+      tool: {
+        'package.json': JSON.stringify({
+          name: 'tool',
+          version: '1.0.0',
+          bin: { 'npx-test': 'index.js' },
+        }),
+        'index.js': `#!/usr/bin/env node
+  require('fs').writeFileSync('npm-exec-test-success', '')`,
+      },
+    },
+  })
+
+  await npm.exec('install', [])
+  npm.config.set('workspace', ['workspace-a'])
+  await npm.exec('exec', ['npx-test'])
+  const exists = await fs.stat(path.join(npm.prefix, 'workspace-a', 'npm-exec-test-success'))
+  t.ok(exists.isFile(), 'workspace-local bin ran instead of falling back to the registry')
+})
+
 t.test('npx --no-install @npmcli/npx-test', async t => {
   const registry = new MockRegistry({
     tap: t,