Replace renameio.WriteFile with version that is compatible to windows

[dhaavi]

Temporary fix until https://github.com/google/renameio fixes WriteFile for windows.

Issue: google/renameio#17

[ghost]

This makes the tests fail even more: Googles renameio.writeFile() heavily relies on renameio.TempFile() and makes build fail even on Linux (and on my system).

additionally the removed chmod maybe add security implications

If you want, I can also look if I can fix that ...

[dhaavi]

This makes the tests fail even more: Googles renameio.writeFile() heavily relies on renameio.TempFile() and makes build fail even on Linux (and on my system).

Seems to have been just a "typo" 🙈

additionally the removed chmod maybe add security implications

That could be true in the future. Right now, the permissions on all preceding folders would prevent security issues. Fixed for Linux.

[ghost]

additionally the removed chmod maybe add security implications

That could be true in the future. Right now, the permissions on all preceding folders would prevent security issues. [..]

At first the tempfile is created in something like C:\Users\travis\AppData\Local\Temp, so here the permissions will be restricted enough, you are right ...