fix: check bash path before invocation

.travis.yml

@@ -1,12 +1,12 @@
-sudo: false
 os:
   - linux
-  - osx
+  - windows
 language: node_js
+
+# https://github.com/nodejs/Release#end-of-life-releases
 node_js:
-  - node
+  - '16'
+  - '14'
+  - '12'
+  - '10'
   - '8'
-  - '7'
-  - '6'
-  - '5'
-  - '4'

index.js

@@ -186,7 +186,7 @@ glob.sync = function(pattern, options) {
     return (opts.nullglob || fs.existsSync(fp)) ? [pattern] : [];
   }
 
-  var cp = spawn.sync(bashPath, cmd(pattern, opts), opts);
+  var cp = spawn.sync(getBash(), cmd(pattern, opts), opts);
   var error = cp.stderr ? String(cp.stderr).trim() : null;
   if (error) {
     err = handleError(error, pattern, opts);
@@ -264,7 +264,7 @@ function bash(pattern, options, cb) {
       return;
     }
 
-    var cp = spawn(bashPath, cmd(pattern, options), options);
+    var cp = spawn(getBash(), cmd(pattern, options), options);
     var buf = new Buffer(0);
 
     cp.stdout.on('data', function(data) {
@@ -475,6 +475,22 @@ function emitMatches(str, pattern, options) {
   glob.emit('match', getFiles(str, pattern, options), options.cwd);
 }
 
+/**
+ * Returns bash path if exists.
+ * @ignore
+ * @return {String} Bash bin path.
+ *
+ */
+function getBash() {
+  const bashBinPath = bashPath()
+
+  if (!bashBinPath) {
+    throw new TypeError('`bash` not found')
+  }
+
+  return bashBinPath
+}
+
 /**
  * Expose `glob`
  */

package.json

@@ -14,30 +14,32 @@
   ],
   "main": "index.js",
   "engines": {
-    "node": ">=4.0"
+    "node": ">=8.0"
   },
   "scripts": {
     "test": "mocha"
   },
   "dependencies": {
-    "bash-path": "^1.0.1",
-    "component-emitter": "^1.2.1",
-    "cross-spawn": "^5.1.0",
+    "bash-path": "^2.0.1",
+    "component-emitter": "^1.3.0",
+    "cross-spawn": "^7.0.3",
     "each-parallel-async": "^1.0.0",
-    "extend-shallow": "^2.0.1",
+    "extend-shallow": "^3.0.2",
     "is-extglob": "^2.1.1",
-    "is-glob": "^4.0.0"
+    "is-glob": "^4.0.1"
   },
   "devDependencies": {
     "arr-union": "^3.1.0",
     "array-unique": "^0.3.2",
     "async-array-reduce": "^1.0.0",
     "delete": "^1.1.0",
-    "glob": "^7.1.2",
-    "gulp-format-md": "^1.0.0",
-    "minimist": "^1.2.0",
-    "mkdirp": "^0.5.1",
-    "mocha": "^3.2.0"
+    "glob": "^7.1.7",
+    "gulp-format-md": "^2.0.0",
+    "minimist": "^1.2.5",
+    "mkdirp": "^0.5.5",
+    "mocha": "^7.2.0",
+    "mock-require": "^3.0.3",
+    "sinon": "^9.2.4"
   },
   "keywords": [
     "bash",

test/api.js

@@ -2,6 +2,8 @@
 
 require('mocha');
 var assert = require('assert');
+var sinon = require('sinon');
+var mock = require('mock-require');
 var glob = require('..');
 
 describe('bash-glob', function() {
@@ -48,4 +50,21 @@ describe('bash-glob', function() {
       }
     });
   });
+
+  it('throws exception if `bash` not found', function() {
+    var bashPathSpy = sinon.spy(function () { return null; });
+    mock('bash-path', bashPathSpy);
+
+    var glob = mock.reRequire('..')
+
+    try {
+      glob.sync(['*']);
+
+    } catch (err) {
+      assert(err);
+      assert.equal(err.message, '`bash` not found');
+    }
+
+    mock.stop('bash-path');
+  });
 });