Deploying Heroku Safe Style

clean.sh

#!/bin/bash
# This tool checks if there are any uncommitted changes in the current git branch.
# If it finds any uncommited changes it exits with an error.
# We use it to prevent pushing dirty changes to production.

clean=$(git status | grep "nothing to commit (working directory clean)")
if [ -z "$clean" ]; then
    echo There are uncommitted changes.
    exit 1
else
    echo Branch is clean.
fi

makefile

production:
	@./clean.sh
	git checkout production
	git merge beta
	@./passing.sh
	git push production production:master
	git push origin production:production

passing.sh

#!/bin/bash
# This tool checks for a full passing test suite. 
# If either RSpec or Spinach fail passing specs, it'll raise an error.

rspec=$(bundle exec rspec | grep "[0-9]* examples, 0 failures")
spinach=$(bundle exec spinach | grep "Steps Summary: ([0-9]*) Successful, (0) Undefined, (0) Failed, (0) Error")
if [ -z "$rspec" ]; then
	echo RSpec tests are not passing, go and fix them before deploying.
	exit 1
else
	if [ -z "$spinach" ]; then
		echo Spinach tests are not passing, go and fix them before deploying.
		exit 1
	fi
	echo All tests are fine.
fi