#!/bin/sh

# if the commit is first one, then pass

if [ -z "$(git branch)" ]; then
  exit 0
fi

# Otherwise, check if the branch is master, and if it is, fail.

branch="$(git symbolic-ref HEAD 2>/dev/null)" || \
       "$(git describe --contains --all HEAD)"

if [ "${branch##refs/heads/}" = "master" ]; then
  echo "Do not commit on the master branch!"
  exit 1
fi