Cannot clone repo on windows

[filipesilva]

When trying to clone this repository on windows I get the following error:

kamik@T460p MINGW64 /d/sandbox
$ git clone https://github.com/webpack-contrib/copy-webpack-plugin
Cloning into 'copy-webpack-plugin'...
remote: Counting objects: 796, done.
remote: Compressing objects: 100% (34/34), done.
remote: Total 796 (delta 18), reused 31 (delta 13), pack-reused 748
Receiving objects: 100% (796/796), 266.90 KiB | 0 bytes/s, done.
Resolving deltas: 100% (440/440), done.
fatal: cannot create directory at 'tests/helpers/[special?directory]': Invalid argument
warning: Clone succeeded, but checkout failed.
You can inspect what was checked out with 'git status'
and retry the checkout with 'git checkout -f HEAD'

I think the real error is:

fatal: cannot create directory at 'tests/helpers/[special?directory]': Invalid argument

The special character ? is not permitted in windows directories.