Consolidate migrates

consolidate_migrates.sh

#!/bin/bash

set -e

schema_migrate="db/migrate/20141107164010_schema.rb"
echo Running current migrations...
rm db/migrate/*
git checkout db/migrate/
rm -f $schema_migrate
dropdb -U postgres bedel_test
createdb -U postgres bedel_test
rake db:migrate RAILS_ENV=test VERSION=20141107164010 > /dev/null
pg_dump -U postgres bedel_test > /tmp/before.sql
echo Finished current migrations

cp db/schema.rb $schema_migrate
sed -i -E "s/ActiveRecord::Schema\.define\(version: .*\) do/class Schema < ActiveRecord::Migration/" $schema_migrate
sed -i -E 's/ActiveRecord::Schema\.define(.*) do/class Schema < ActiveRecord::Migration; def up/' $schema_migrate
sed -i -E 's/^end$/end;end/' $schema_migrate
rm "$schema_migrate-E"
git add $schema_migrate

while true; do
    echo Running new migrations...
    for i in db/migrate/*; do
       if [[ "db/migrate/20141107164011" > "$i" ]]; then
          rm $i
       fi
    done
    git checkout $schema_migrate
    dropdb -U postgres bedel_test
    createdb -U postgres bedel_test
    rake db:migrate RAILS_ENV=test > /dev/null
    pg_dump -U postgres bedel_test > /tmp/after.sql

    diff /tmp/before.sql /tmp/after.sql || true
    git checkout db/migrate/
    printf "Run again? [Y,n]"
    read rodar

    if [ "$rodar" == "n" ]; then
        echo "Canceled."
        exit 1
    fi
done