Win permission denied on clean

[cchantep]

After having downloaded sources from hackage in my user home, and trying cabal configure and cabal build, when I want to clean I get a 'permission denied' error (whereas I obviously own files, and have permissions as I created them).

``
cleaning...
Error while removing dist/: DeleteFile "dist\setup-wrapper\setup.exe": permission denied

Env: Win7, msys2, ghc7.8.2, cabal1.18

[cchantep]

In the shell as the one from which invoking cabal, rm -rf dist perfectly works.

[kvanbere]

Could it be because the file is running somehow? On Windows you cannot delete a file if it belongs to a process which is currently being executed.

[cchantep]

No

[23Skidoo]

Could it be because the file is running somehow?

Actually yes, it looks like this happens only for build-type: Custom. Cabal invokes setup clean, which tries to delete itself and fails.

[23Skidoo]

So we should move setup out of the way before running setup clean and then delete it ourselves.