#!/bin/bash
# Enable all the git hooks by executing the following from the project root directory
# $ make installhooks
#
# Code from https://gist.github.com/holysugar/1318698 , simpler than
# http://stackoverflow.com/a/6262715/451712

# Work out location of Flow/scripts/ directory
dir=$(dirname $(php -r "echo realpath('$0'), \"\\n\";"))
# Move to the project root
cd $(dirname $dir)
# Source the shared shell functions
. $dir/hooks-shared.sh

if [ "$IGNORE_WHITESPACE" != "1" ]; then
	# FIXME this reads the version of the file on-disk, which may not be the version
	# about to be committed if you made changes to it since `git add`.
	git diff --cached --name-only | (while read f; do
	  ERROR=0
	  if grep -n '[[:space:]]$' "$f" ; then
  		echo "'$f' has trailing whitespace\n" >&2
		ERROR=1
	  fi
	done; exit $ERROR)

	if [ $? -ne 0 ];then
	  echo "if you know what you are doing, use 'IGNORE_WHITESPACE=1 git commit'"
	  exit 1
	fi
fi

COMMANDS=""

if file_changed_in_commit '\.less$'; then
	if [ "$IGNORE_CHECKLESS" != "1" ]; then
		COMMANDS="checkless $COMMANDS"
	fi
fi

if file_changed_in_commit '\.js$'; then
	if [ "$IGNORE_JSHINT" != "1" ]; then
		COMMANDS="grunt jsduck $COMMANDS"
	fi
fi

if file_changed_in_commit '\.php$'; then
	if [ "$IGNORE_PHPLINT" != "1" ]; then
		COMMANDS="phplint $COMMANDS"
	fi
fi

if file_changed_in_commit '^i18n/'; then
    if [ "$IGNORE_I18N" != "1" ]; then
		COMMANDS="messagecheck $COMMANDS"
	fi
fi

if [ "$COMMANDS" != "" ]; then
	make $COMMANDS || exit 1
fi