fix: handle absolute config paths correctly #647

Author: marionebl

@commitlint/load/src/index.js

@@ -106,7 +106,7 @@ export default async (seed = {}, options = {cwd: process.cwd()}) => {
 async function loadConfig(cwd, configPath) {
 	const explorer = cosmiconfig('commitlint');
 
-	const explicitPath = configPath ? path.join(cwd, configPath) : undefined;
+	const explicitPath = configPath ? path.resolve(cwd, configPath) : undefined;
 	const explore = explicitPath ? explorer.load : explorer.search;
 	const searchPath = explicitPath ? explicitPath : cwd;
 	const local = await explore(searchPath);

@commitlint/load/src/index.test.js

@@ -21,13 +21,20 @@ test('uses seed as configured', async t => {
 	t.is(actual.rules.foo, 'bar');
 });
 
-test('rules should be loaded from specify config file', async t => {
+test('rules should be loaded from relative config file', async t => {
 	const file = 'config/commitlint.config.js';
 	const cwd = await git.bootstrap('fixtures/specify-config-file');
 	const actual = await load({}, {cwd, file});
 	t.is(actual.rules.foo, 'bar');
 });
 
+test('rules should be loaded from absolute config file', async t => {
+	const cwd = await git.bootstrap('fixtures/specify-config-file');
+	const file = path.join(cwd, 'config/commitlint.config.js');
+	const actual = await load({}, {cwd: process.cwd(), file});
+	t.is(actual.rules.foo, 'bar');
+});
+
 test('plugins should be loaded from seed', async t => {
 	const plugin = {'@global': true};
 	const scopedPlugin = {'@global': true};