commit-msg

#!/bin/bash
LINE=$(head -n 1 $1);
LENGTH=${#LINE};
if [[ $LENGTH -gt 50 ]]; then {
	echo "Commit Aborted!";
	echo -e "Message is \e[31m$LENGTH characters long\e[0m, must be <= 50."
	exit 1;
} fi;

setup.sh

$ mkdir ~/.config/git
$ cp -r /usr/share/git-core/templates ~/.config/git/
$ git config --global init.templatedir ~/.config/git/templates/
$ wget https://gist.githubusercontent.com/CodeMan99/1ed7cc187f0e1c0a63bb/raw/9a50d3ae525d05eef1f083e6b87924d1a6ae1ec3/commit-msg
$ chmod 0755 commit-msg
$ mv commit-msg ~/.config/git/templates/hooks/
$ git init # do this in any repo where you want to add the new git hook.