Track local ignored files with Git

Question

In our repository some files and folders are ignored. Of interest here are:

1. Build output folders which contain (among others) some configuration files and exte

Answer 1

First, you can add an ignored file to the index and commit it.
You just need to to git add --force -- /path/to/file.

Second, you can add the setup files themselves: they contain private data.
You may consider the template approach, based on a content filter driver which, on checkout, would generate those files (as private non-versioned files) based on:

• template files (versioned)
• value files (stored elsewhere, with the right value for each developer's environment)

See for instance "How to keep different content of one file in my local and github repository?"