Email validation git pre-commit hook

README.md

Githook pre-commit script to prevent accidental commits using the wrong email address, for example from git global configuration.

pre-commit

#!/bin/sh
EMAIL=$(git config user.email)

if [[ $EMAIL == *"@domain.com" ]]
then
        while true; do
                # Allows us to read user input below, assigns stdin to keyboard
                exec < /dev/tty

                read -p "[pre-commit hook] Committing with @domain.com email, continue? (Y/n) " yn
                if [ "$yn" = "" ]; then
                        yn='Y'
                fi

                # Release stdin
                exec <&-

                case $yn in
                        [Yy])
                                exit 0
                        ;;
                        [Nn])
                                echo "[pre-commit hook] Aborting commit."
                                exit 1
                        ;;
                        *)
                                echo "[pre-commit hook] Please answer y or n for yes or no."
                        ;;
                esac
        done
fi