Add support for listing merge requests associated with a commit

Author: zluiten

src/Api/Repositories.php

@@ -268,6 +268,19 @@ public function commitRefs($project_id, string $sha, array $parameters = [])
         );
     }
 
+    /**
+     * @param int|string $project_id
+     * @param string     $sha
+     *
+     * @return mixed
+     */
+    public function commitMergeRequests($project_id, string $sha)
+    {
+        return $this->get(
+            $this->getProjectPath($project_id, 'repository/commits/'.self::encodePath($sha).'/merge_requests'),
+        );
+    }
+
     /**
      * @param int|string $project_id
      * @param array      $parameters {

tests/Api/RepositoriesTest.php

@@ -361,6 +361,26 @@ public function shouldGetCommitRefs(): void
         $this->assertEquals($expectedArray, $api->commitRefs(1, 'abcd1234'));
     }
 
+    /**
+     * @test
+     */
+    public function shouldGetCommitMergeRequests(): void
+    {
+        $expectedArray = [
+            ['id' => 1, 'title' => 'A merge request'],
+            ['id' => 2, 'title' => 'Another merge request'],
+        ];
+
+        $api = $this->getApiMock();
+        $api->expects($this->once())
+            ->method('get')
+            ->with('projects/1/repository/commits/abcd1234/merge_requests')
+            ->will($this->returnValue($expectedArray))
+        ;
+
+        $this->assertEquals($expectedArray, $api->commitMergeRequests(1, 'abcd1234'));
+    }
+
     /**
      * @test
      *