githubGPG.sh

echo "enter gpg key ID"
echo "(found on line starting with sec, after slash /)"
echo ""
gpg --list-secret-keys --keyid-format LONG
read gpgKeyID
echo "adding key to git --global user.signingkey"
git config --global user.signingkey $gpgKeyID
echo "adding key to profile"
test -r ~/.bash_profile && echo 'export GPG_TTY=$(tty)' >> ~/.bash_profile
echo 'export GPG_TTY=$(tty)' >> ~/.profile
git config --global commit.gpgsign true
echo "copy the public key text into the github add gpg key textbox"
read -p "Press enter to view public key"
gpg --armor --export $gpgKeyID
echo "restart your computer when you finish for changes to take effect"

A small bash script to automate the process of adding an existing gpg key to git so that you can sign your commits