brownie bake fails if the mix name capitalization does not match exactly

[cameel]

Environment information

• brownie Version: 1.11.10
• ganache-cli Version: v6.9.1 (ganache-core: 2.10.2)
• solc Version: 0.7.4
• Python Version: 3.8.6
• OS: linux

What was wrong?

Simply running brownie bake fails if the mix name is improperly capitalized.

brownie bake Token

Output:

Brownie v1.11.10 - Python development framework for Ethereum

Downloading from https://github.com/brownie-mix/Token-mix/archive/master.zip...
9.13kiB [00:00, 3.79MiB/s]
  File "brownie/_cli/__main__.py", line 64, in main
    importlib.import_module(f"brownie._cli.{cmd}").main()
  File "brownie/_cli/bake.py", line 26, in main
    path = project.from_brownie_mix(args["<mix>"], args["<path>"], args["--force"])
  File "brownie/project/main.py", line 577, in from_brownie_mix
    project_path.parent.joinpath(project_name + "-mix-master").rename(project_path)
  File "/usr/lib/python3.8/pathlib.py", line 1361, in rename
    self._accessor.rename(self, target)
FileNotFoundError: [Errno 2] No such file or directory: '/tmp/Token-mix-master' -> '/tmp/Token'

How can it be fixed?

brownie should either normalize the name to lower case or (if the case could be significant) report that such a mix does not exist, hinting at the case as a possible cause.