Added "g" flag to project path replacement (#291)

* Added "g"

* Added test

lib/main.js

@@ -65,8 +65,8 @@ const extractRange = ({ code, message, lineNumber, colNumber, textEditor }) => {
 const applySubstitutions = (givenExecPath, projDir) => {
   let execPath = givenExecPath;
   const projectName = path.basename(projDir);
-  execPath = execPath.replace(/\$PROJECT_NAME/i, projectName);
-  execPath = execPath.replace(/\$PROJECT/i, projDir);
+  execPath = execPath.replace(/\$PROJECT_NAME/ig, projectName);
+  execPath = execPath.replace(/\$PROJECT/ig, projDir);
   const paths = execPath.split(';');
   for (let i = 0; i < paths.length; i += 1) {
     if (fs.existsSync(paths[i])) {

spec/linter-flake8-spec.js

@@ -200,6 +200,21 @@ describe('The flake8 provider for Linter', () => {
       );
     });
 
+    it('finds executable relative to projects', () => {
+      const paths = [
+        path.join('$project', 'null'),
+        path.join('$pRoJeCt', 'flake1'),
+        path.join('$PrOjEcT', 'flake2'),
+        path.join('$PROJECT', 'flake8'),
+      ].join(';');
+      atom.config.set('linter-flake8.executablePath', paths);
+      waitsForPromise(() =>
+        lint(editor).then(() =>
+          expect(execParams.pop()[0]).toBe(path.join(fixturePath, 'flake8')),
+        ),
+      );
+    });
+
     it('finds executable using project name', () => {
       atom.config.set('linter-flake8.executablePath',
         path.join('$PROJECT_NAME', 'flake8'),
@@ -211,6 +226,27 @@ describe('The flake8 provider for Linter', () => {
       );
     });
 
+    it('finds executable using project names', () => {
+      const paths = [
+        path.join('$project_name', 'null'),
+        path.join('$pRoJeCt_NaMe', 'flake1'),
+        path.join('$PrOjEcT_nAmE', 'flake2'),
+        path.join('$PROJECT_NAME', 'flake8'),
+      ].join(';');
+      const correct = [
+        path.join('fixtures', 'null'),
+        path.join('fixtures', 'flake1'),
+        path.join('fixtures', 'flake2'),
+        path.join('fixtures', 'flake8'),
+      ].join(';');
+      atom.config.set('linter-flake8.executablePath', paths);
+      waitsForPromise(() =>
+        lint(editor).then(() =>
+          expect(execParams.pop()[0]).toBe(correct),
+        ),
+      );
+    });
+
     it('normalizes executable path', () => {
       atom.config.set('linter-flake8.executablePath',
         path.join(fixturePath, '..', 'fixtures', 'flake8'),