pre-commit script to prevent stupid commits that break builds

pre-commit

#!/bin/sh

# Based on the script at http://stackoverflow.com/a/10015707/7012

# Allows us to read user input below, assigns stdin to keyboard
exec < /dev/tty

while true; do
  read -p "[pre-commit hook] Have you run the tests? (Y/n) " yn
  if [ "$yn" = "" ]; then
    yn='N'
  fi
  case $yn in
      [Yy] ) exit 0;;
      [Nn] ) exit 1;;
      * ) echo "Please answer y or n for yes or no.";;
  esac
done

# Close STDIN again
exec <&-