[BUG] ConfigDiscovery.analyse_name incorrectly sets the name attribute on Distribution

[jeamland]

setuptools version

setuptools==65.1.0

Python version

Python 3.10.2

OS

macOS 12.5, Oracle Linux Server release 8.6

Additional environment information

No response

Description

Under certain circumstances (see reproduction steps) setuptools.discovery.ConfigDiscovery.analyse_name will overwrite the name attribute of the Distribution object leading to python setup.py --name failing.

Expected behavior

$ python setup.py --name
my_package_name

How to Reproduce

A project demonstrating this issue (along with a detailed description of what's going on) can be found here:

https://github.com/jeamland/setuptools-name-bug

Output

$ python setup.py --name
/Users/benno/.pyenv/versions/setuptools-name-bug/lib/python3.10/site-packages/setuptools/config/pyprojecttoml.py:108: _BetaConfiguration: Support for `[tool.setuptools]` in `pyproject.toml` is still *beta*.
  warnings.warn(msg, _BetaConfiguration)
Traceback (most recent call last):
  File "/Users/benno/work/setuptools-name-bug/setup.py", line 3, in <module>
    setup()
  File "/Users/benno/.pyenv/versions/setuptools-name-bug/lib/python3.10/site-packages/setuptools/__init__.py", line 87, in setup
    return distutils.core.setup(**attrs)
  File "/Users/benno/.pyenv/versions/setuptools-name-bug/lib/python3.10/site-packages/setuptools/_distutils/core.py", line 170, in setup
    ok = dist.parse_command_line()
  File "/Users/benno/.pyenv/versions/setuptools-name-bug/lib/python3.10/site-packages/setuptools/_distutils/dist.py", line 471, in parse_command_line
    args = parser.getopt(args=self.script_args, object=self)
  File "/Users/benno/.pyenv/versions/setuptools-name-bug/lib/python3.10/site-packages/setuptools/_distutils/fancy_getopt.py", line 274, in getopt
    val = getattr(object, attr, 0) + 1
TypeError: can only concatenate str (not "int") to str