Add support for extras_require in Pipfile for vcs urls

pipenv/utils.py

@@ -162,8 +162,11 @@ def convert_deps_from_pip(dep):
                              'dependencies. Please install remote dependency '
                              'in the form {0}#egg=<package-name>.'.format(req.uri))
 
+        # Extras: e.g. #egg=requests[security]
+        if req.extras:
+            dependency[req.name] = {'extras': req.extras}
         # Crop off the git+, etc part.
-        dependency[req.name] = {req.vcs: req.uri[len(req.vcs) + 1:]}
+        dependency.setdefault(req.name, {}).update({req.vcs: req.uri[len(req.vcs) + 1:]})
 
         # Add --editable, if it's there.
         if req.editable:

tests/test_utils.py

@@ -103,6 +103,13 @@ class TestUtils:
         dep = pipenv.utils.convert_deps_from_pip(dep)
         assert dep == {'MyProject': {'hg': 'http://hg.myproject.org/MyProject', 'ref': 'da39a3ee5e6b'}}
 
+        # vcs dependency with extras_require
+        dep = 'git+https://github.com/requests/requests.git@master#egg=requests[security]'
+        dep = pipenv.utils.convert_deps_from_pip(dep)
+        assert dep == {'requests': {'git': 'https://github.com/requests/requests.git',
+                                    'ref': 'master',
+                                    'extras': ['security']}}
+
         # vcs dependency without #egg
         dep = 'git+https://github.com/kennethreitz/requests.git'
         with pytest.raises(ValueError) as e: