readme.md

Get notifications when there are migrations that need to be run in a Rails project:

https://img.skitch.com/20110418-c9y3ttap3tai7frc43f38qtb8e.jpg

Copy pending_migrations_check.rb and install.sh to your project in folder git_hooks/.

Install post-merge and post-checkout git hooks:

chmod +x git-hooks/install.sh && ./git-hooks/install.sh

You can specify colors and auto run migrations by editing your .git/config file, for example:

[rails]
  automigrate = true
  automigrateforegroundcolor = yellow
  automigratebackgroundcolor = black

Supported colors are black, red, green, yellow, blue, magenta, cyan, white

install.sh

chmod +x git-hooks/pending_migrations_check.rb
cd .git/hooks
ln -is ../../git-hooks/pending_migrations_check.rb post-merge
ln -is ../../git-hooks/pending_migrations_check.rb post-checkout

pending_migrations_check.rb

#!/usr/bin/env ruby

# To install run:
#   chmod +x git-hooks/install.sh && ./git-hooks/install.sh
# This script checks if there was new migrations after git pull (by rebase too), git checkout.
# Default behaviour is simple warning, to run migrations automatically specify it in .git/config.
# Example of .git/config
#  [rails]
#    automigrate = true
#    automigrateforegroundcolor = yellow
#    automigratebackgroundcolor = black

COLOR_MAPPINGS = {black: 0,
                  red: 1,
                  green: 2,
                  yellow: 3,
                  blue: 4,
                  magenta: 5,
                  cyan: 6,
                  white: 7}

def console_color(color, default)
  COLOR_MAPPINGS[color.to_s.downcase.gsub("\n", '').to_sym] || COLOR_MAPPINGS[default]
end

def puts_colored(text)
  @fg_color ||= console_color(`git config rails.automigrateforegroundcolor`, :yellow)
  @bg_color ||= console_color(`git config rails.automigratebackgroundcolor`, :black)
  puts "\e[0;1;3#{@fg_color};4#{@bg_color}m#{text}\e[0m"
end

if `git diff --name-only HEAD@{1} HEAD`.index('db/migrate')
  automigrate = `git config rails.automigrate`.index('true')
  if automigrate
    puts_colored('Migrating Database... Please wait.')
    `rake db:migrate db:test:prepare`
    puts_colored('Done migrating database.')
  else
    puts_colored('There are pending migrations.')
  end
end