Using ruby-progressbar for long command line tasks

ruby-progressbar-example.rb

#!/usr/bin/env ruby

require 'ruby-progressbar'

commands = [
  {
    description: 'changing into Centro Direct directory',
    command: 'cd ~/dev/centro-media-manager/'
  },
  {
    description: 'powdering down',
    command: 'powder down'
  },
  {
    description: 'bundle root app',
    command: 'bundle install',
    bundle: true
  },
  {
    description: 'bundle all components',
    command: './scripts/cmm_bundle all',
    bundle: true
  },
  {
    description: 'killing any idle postgres instances',
    command: "[[ -n $(ps aux | grep postgres | grep idle) ]] && \
              kill $(ps aux | grep postgres | grep idle | awk '{print $2}')"
  },
  # command: 'bundle exec rake db:drop db:create db:migrate'
  {
    description: 'dev db drop',
    command: 'dropdb -h localhost -p 5432 cmm_development'
  },
  {
    description: 'dev db create',
    command: 'createdb -h localhost -p 5432 cmm_development'
  },
  {
    description: 'dev db load structure',
    command: 'psql -h localhost -p 5432 cmm_development < db/structure.sql'
  },
  {
    description: 'dev db migrate',
    command: 'bundle exec rake db:migrate'
  },
  {
    description: 'powdering up',
    command: 'powder up'
  },
  {
    description: 'dev db seed',
    command: 'bundle exec rake db:seed'
  },
  {
    description: 'dev db bootstrap',
    command: 'bundle exec rake db:bootstrap'
  },
  # command: 'RAILS_ENV=test bundle exec rake db:drop db:create db:migrate'
  {
    description: 'test db drop',
    command: 'dropdb -h localhost -p 5432 cmm_test'
  },
  {
    description: 'test db create',
    command: 'createdb -h localhost -p 5432 cmm_test'
  },
  {
    description: 'test db load structure',
    command: 'psql -h localhost -p 5432 cmm_test < db/structure.sql'
  },
  {
    description: 'test db migrate',
    command: 'RAILS_ENV=test bundle exec rake db:migrate'
  },
  {
    description: 'test db seed',
    command: 'RAILS_ENV=test bundle exec rake db:seed'
  }
]

def bundle?
  @bundle ||= ARGV.any? { |arg| arg.casecmp('bundle') }
end

# Filters out bundle commands if no bundle arg passed
commands = commands.select { |cmd| cmd[:bundle] ? bundle? : true }

progress = ProgressBar.create(total: commands.size, format: ' %c/%C %P%%|%B|%e')

commands.each do |command|
  progress.total = command[:unknown] == true ? nil : commands.size

  progress.log("#{command[:description]}...") if command[:description]
  system("#{command[:command]} > cdr.log") if command[:command]

  progress.increment
end

progress.finish

system('rm cdr.log')
system('powder status && git status')