Trouble with git link dependency rooted in subfolder #4380

pip install "git+https://github.com/ashnair1/cocoapi.git#egg=pycocotools&subdirectory=PythonAPI"

poetry add -vvv git+https://github.com/ashnair1/cocoapi.git#egg=pycocotools&subdirectory=PythonAPI

✦ ➜ Using virtualenv: /home/ashwin/anaconda3/envs/coco

  Stack trace:

  11  ~/anaconda3/envs/coco/lib/python3.7/site-packages/clikit/console_application.py:131 in run
       129│             parsed_args = resolved_command.args
       130│ 
     → 131│             status_code = command.handle(parsed_args, io)
       132│         except KeyboardInterrupt:
       133│             status_code = 1

  10  ~/anaconda3/envs/coco/lib/python3.7/site-packages/clikit/api/command/command.py:120 in handle
       118│     def handle(self, args, io):  # type: (Args, IO) -> int
       119│         try:
     → 120│             status_code = self._do_handle(args, io)
       121│         except KeyboardInterrupt:
       122│             if io.is_debug():

   9  ~/anaconda3/envs/coco/lib/python3.7/site-packages/clikit/api/command/command.py:171 in _do_handle
       169│         handler_method = self._config.handler_method
       170│ 
     → 171│         return getattr(handler, handler_method)(args, io, self)
       172│ 
       173│     def __repr__(self):  # type: () -> str

   8  ~/anaconda3/envs/coco/lib/python3.7/site-packages/cleo/commands/command.py:92 in wrap_handle
        90│         self._command = command
        91│ 
     →  92│         return self.handle()
        93│ 
        94│     def handle(self):  # type: () -> Optional[int]

   7  ~/anaconda3/envs/coco/lib/python3.7/site-packages/poetry/console/commands/add.py:109 in handle
       107│             packages,
       108│             allow_prereleases=self.option("allow-prereleases"),
     → 109│             source=self.option("source"),
       110│         )
       111│ 

   6  ~/anaconda3/envs/coco/lib/python3.7/site-packages/poetry/console/commands/init.py:320 in _determine_requirements
       318│             return requires
       319│ 
     → 320│         requires = self._parse_requirements(requires)
       321│         result = []
       322│         for requirement in requires:

   5  ~/anaconda3/envs/coco/lib/python3.7/site-packages/poetry/console/commands/init.py:411 in _parse_requirements
       409│ 
       410│                     package = Provider.get_package_from_vcs(
     → 411│                         "git", url.url, rev=pair.get("rev")
       412│                     )
       413│                     pair["name"] = package.name

   4  ~/anaconda3/envs/coco/lib/python3.7/site-packages/poetry/puzzle/provider.py:196 in get_package_from_vcs
       194│             reference = branch or tag or rev
       195│             if reference is not None:
     → 196│                 git.checkout(reference, tmp_dir)
       197│             else:
       198│                 reference = "HEAD"

   3  ~/anaconda3/envs/coco/lib/python3.7/site-packages/poetry/core/vcs/git.py:229 in checkout
       227│         args += ["checkout", rev]
       228│ 
     → 229│         return self.run(*args)
       230│ 
       231│     def rev_parse(self, rev, folder=None):  # type: (str, Optional[Path]) -> str

   2  ~/anaconda3/envs/coco/lib/python3.7/site-packages/poetry/core/vcs/git.py:302 in run
       300│ 
       301│         return decode(
     → 302│             subprocess.check_output(["git"] + list(args), stderr=subprocess.STDOUT)
       303│         ).strip()
       304│ 

   1  ~/anaconda3/envs/coco/lib/python3.7/subprocess.py:411 in check_output
        409│ 
        410│     return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
     →  411│                **kwargs).stdout
        412│ 
        413│ 

  CalledProcessError

  Command '['git', '--git-dir', '/tmp/pypoetry-git-cocoapi3d1g76i/.git', '--work-tree', '/tmp/pypoetry-git-cocoapi3d1g76i', 'checkout', 'egg=pycocotools']' returned non-zero exit status 1.

  at ~/anaconda3/envs/coco/lib/python3.7/site-packages/poetry/utils/_compat.py:218 in run
      214│                 raise
      215│             retcode = process.poll()
      216│             if check and retcode:
      217│                 raise CalledProcessError(
    → 218│                     retcode, process.args, output=stdout, stderr=stderr
      219│                 )
      220│         finally:
      221│             # None because our context manager __exit__ does not use them.
      222│             process.__exit__(None, None, None)
^C^C
[1]+  Exit 1                  poetry add -vvv git+https://github.com/ashnair1/cocoapi.git#egg=pycocotools