Used to change the case in a directory for a Git repository. Or use this config command `git config core.ignorecase false`

git-change-case.sh

mv foo foo2
git add -A
git commit -m "renaming"
mv foo2 FOO
git add -A
git commit --amend -m "renamed foo to FOO"

# or in git v1.7.7+
git mv improper_Case improve_case2
git mv improper_case2 improve_case
git commit -m "<your message>"