Git and GPG
Git can show diffs of gpg encrypted files.
Global
git config --global diff.gpg.textconv "gpg --no-tty --decrypt"
or in ~/.gitconfig
[diff "gpg"] textconv = gpg --no-tty --decrypt
.gitattributes in the project directory:
*.gpg filter=gpg diff=gpg *.asc filter=gpg diff=gpg