Change case to lowercase for committed files
It’s super-annoying that the Mac’s file OS is case insensitive. Especially if you have a *NIX based server that can’t read your images and things like that. Just renaming it on the file system won’t work, you have to rename it via Git itself:
git mv OldFileName.jpg newfilename.jpg
With this little script you can do lowercase all the files in a directory, ready to commit:
for f in *; do git mv "$f" "`echo $f | tr "[:upper:]" "[:lower:]"`"; done