fix(run): Use bin scripts defined in a workspace package before the w…

…orkspace root.

When resolving bin scripts, ones in the workspace root were being added to a Map last,
overwriting those from the workspace package where the script was being run. This change will now
favor workspace-package specific bins instead.

fix yarnpkg#8590

__tests__/__snapshots__/index.js.snap

@@ -62,6 +62,21 @@ Array [
 ]
 `;
 
+exports[`should add package with no-lockfile option 2`] = `
+Array [
+  "info No lockfile found.",
+  "[1/4] Resolving packages...",
+  "[2/4] Fetching packages...",
+  "[3/4] Linking dependencies...",
+  "[4/4] Building fresh packages...",
+  "success Saved 1 new dependency.",
+  "info Direct dependencies",
+  "└─ [email protected]",
+  "info All dependencies",
+  "└─ [email protected]",
+]
+`;
+
 exports[`should add package with no-lockfile option in front 1`] = `
 Array [
   "info No lockfile found.",

__tests__/commands/run.js

@@ -217,6 +217,62 @@ test('adds cwd node_modules/.bin to path when in a workspace usig nohoist', ():
     expect(envPaths).toContain(path.join(config.cwd, 'packages', 'pkg1', 'node_modules', '.bin'));
   }));
 
+// Regression test for https://github.com/yarnpkg/yarn/issues/8590
+test('uses transitive script from workspace root', (): Promise<void> =>
+  runRun(
+    ['eslint'],
+    {},
+    'issue-8590',
+    (config): ?Promise<void> => {
+      expect(execCommand).toBeCalledWith({
+        stage: 'eslint',
+        config,
+        cmd: `${config.cwd}/node_modules/.bin/eslint`,
+        cwd: config.cwd,
+        isInteractive: true,
+        customShell: undefined,
+      });
+    },
+  ));
+
+// Regression test for https://github.com/yarnpkg/yarn/issues/8590
+test('uses transitive script from workspace package A', (): Promise<void> =>
+  runRunInWorkspacePackage(
+    'packages/workspace-a',
+    ['eslint'],
+    {},
+    'issue-8590',
+    (config): ?Promise<void> => {
+      expect(execCommand).toBeCalledWith({
+        stage: 'eslint',
+        config,
+        cmd: `${config.cwd}/packages/workspace-a/node_modules/.bin/eslint`,
+        cwd: `${config.cwd}/packages/workspace-a`,
+        isInteractive: true,
+        customShell: undefined,
+      });
+    },
+  ));
+
+// Regression test for https://github.com/yarnpkg/yarn/issues/8590
+test('uses transitive script from workspace package B', (): Promise<void> =>
+  runRunInWorkspacePackage(
+    'packages/workspace-b',
+    ['eslint'],
+    {},
+    'issue-8590',
+    (config): ?Promise<void> => {
+      expect(execCommand).toBeCalledWith({
+        stage: 'eslint',
+        config,
+        cmd: `${config.cwd}/packages/workspace-b/node_modules/.bin/eslint`,
+        cwd: `${config.cwd}/packages/workspace-b`,
+        isInteractive: true,
+        customShell: undefined,
+      });
+    },
+  ));
+
 test('runs script with custom script-shell', (): Promise<void> =>
   runRunWithCustomShell('/usr/bin/dummy', ['start'], {}, 'script-shell', async (config): ?Promise<void> => {
     const pkg = await fs.readJson(path.join(config.cwd, 'package.json'));

__tests__/fixtures/run/issue-8590/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "yarn-issue-8590",
+  "version": "1.0.0",
+  "main": "index.js",
+  "author": "yarn",
+  "license": "MIT",
+  "private": true,
+  "workspaces": {
+    "packages": [
+      "packages/*"
+    ]
+  }
+}

__tests__/fixtures/run/issue-8590/packages/workspace-a/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "workspace-a",
+  "version": "1.0.0",
+  "dependencies": {
+    "eslint": "8.57.0"
+  }
+}

__tests__/fixtures/run/issue-8590/packages/workspace-b/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "workspace-b",
+  "version": "1.0.0",
+  "dependencies": {
+    "eslint": "1.0.0"
+  }
+}

src/cli/commands/run.js

@@ -55,7 +55,11 @@ export async function getBinEntries(config: Config): Promise<Map<string, string>
   for (const binFolder of binFolders) {
     if (await fs.exists(binFolder)) {
       for (const name of await fs.readdir(binFolder)) {
-        binEntries.set(name, path.join(binFolder, name));
+        const existingDepth = binEntries.get(name) ? binEntries.get(name).split(path.sep).length : 0;
+        const newDepth = binFolder.split(path.sep).length;
+        if (newDepth >= existingDepth) {
+          binEntries.set(name, path.join(binFolder, name));
+        }
       }
     }
   }