#!/bin/bash

RED=$(tput setaf 1)
NORMAL=$(tput sgr0)

# FIXME: I am using porcelain commands to do plumbing work. Maybe fix it in the
# future.
AUTHOR=$(git --no-pager show -s --format='%aN <%aE>')
COMMIT_MSG=$(git --no-pager show -s --format='%B')
COMMIT_ID=$(git --no-pager show -s --format='%h')

# See if the author signed off
echo "$COMMIT_MSG" | grep "^Signed-off-by: $AUTHOR" > /dev/null

if test $? -eq 0; then
	exit 0
else
	printf "%sAuthor of commit $COMMIT_ID did not sign off%s\n" $RED $NORMAL
	exit 1
fi