migrations_integrity.sh

#!/bin/bash

# This scripts re-runs all migrations in test DB
# and reports (along with exist status 1) any
# not commited changes to schema.rb.
#
# It's best to run this script on CI and fail the build
# because it means there's a discrepancy between migrations
# and schema.rb. (e.g. someone changed migration inline
# but forgot to redo the migration and update schema.rb.)

RAILS_ENV=test rake db:migrate:reset

if ! git diff --quiet db/schema.rb; then
  echo "Found not committed changes to schema.rb! See below:"
  git diff db/schema.rb
  exit 1
fi