Merge branch 'noelmace-fix-absolute-path'.

Author: DavidAnson

markdownlint.js

@@ -110,6 +110,7 @@ function prepareFileList(files, fileExtensions, previousResults) {
   return flatten(files).map(function (file) {
     return {
       original: file,
+      relative: path.relative(process.cwd(), file),
       absolute: path.resolve(file)
     };
   });
@@ -231,7 +232,7 @@ let ignoreFilter = () => true;
 if (existsSync(ignorePath)) {
   const ignoreText = fs.readFileSync(ignorePath, fsOptions);
   const ignoreInstance = ignore().add(ignoreText);
-  ignoreFilter = fileInfo => !ignoreInstance.ignores(fileInfo.original);
+  ignoreFilter = fileInfo => !ignoreInstance.ignores(fileInfo.relative);
 }
 
 const files = prepareFileList(program.args, ['md', 'markdown'])

test/test.js

@@ -646,6 +646,24 @@ test('.markdownlintignore is applied correctly', async t => {
   }
 });
 
+test('.markdownlintignore works with semi-absolute paths', async t => {
+  try {
+    await execa(
+      path.resolve('..', 'markdownlint.js'), ['./incorrect.md'], {
+        cwd: path.join(__dirname, 'markdownlintignore'),
+        stripFinalNewline: false
+      });
+    t.fail();
+  } catch (error) {
+    const expected = [
+      './incorrect.md:1:8 MD047/single-trailing-newline Files should end with a single newline character',
+      ''
+    ].join('\n');
+    t.deepEqual(error.stdout, '');
+    t.deepEqual(error.stderr, expected);
+  }
+});
+
 test('--ignore-path works with .markdownlintignore', async t => {
   try {
     await execa(