Sync the production branch with the master branch before deployment

console_output

tristan@tristan-vbox ~/Sites/lightbringer $ cap production deploy
 INFO [8ec98abf] Running /usr/bin/env git checkout master on 
DEBUG [8ec98abf] Command: ( RAILS_ENV=production /usr/bin/env git checkout master )
DEBUG [8ec98abf] 	Already on 'master'
 INFO [8ec98abf] Finished in 0.168 seconds with exit status 0 (successful).
 INFO [61300fdb] Running /usr/bin/env git pull origin master on 
DEBUG [61300fdb] Command: ( RAILS_ENV=production /usr/bin/env git pull origin master )
DEBUG [61300fdb] 	Already up-to-date.
DEBUG [61300fdb] 	From github.com:mindvalley/lightbringer
DEBUG [61300fdb] 	 * branch            master     -> FETCH_HEAD
 INFO [61300fdb] Finished in 4.106 seconds with exit status 0 (successful).
 INFO [94dd119e] Running /usr/bin/env git checkout production on 
DEBUG [94dd119e] Command: ( RAILS_ENV=production /usr/bin/env git checkout production )
DEBUG [94dd119e] 	Switched to branch 'production'
 INFO [94dd119e] Finished in 0.226 seconds with exit status 0 (successful).
 INFO [3f9bf660] Running /usr/bin/env git pull --rebase origin production on 
DEBUG [3f9bf660] Command: ( RAILS_ENV=production /usr/bin/env git pull --rebase origin production )
DEBUG [3f9bf660] 	Current branch production is up to date.
DEBUG [3f9bf660] 	From github.com:mindvalley/lightbringer
DEBUG [3f9bf660] 	 * branch            production -> FETCH_HEAD
 INFO [3f9bf660] Finished in 5.190 seconds with exit status 0 (successful).
 INFO [18449352] Running /usr/bin/env git rebase master on 
DEBUG [18449352] Command: ( RAILS_ENV=production /usr/bin/env git rebase master )
DEBUG [18449352] 	First, rewinding head to replay your work on top of it...
DEBUG [18449352] 	Fast-forwarded production to master.
 INFO [18449352] Finished in 0.577 seconds with exit status 0 (successful).
 INFO [5183878f] Running /usr/bin/env git push origin production on 
DEBUG [5183878f] Command: ( RAILS_ENV=production /usr/bin/env git push origin production )
DEBUG [5183878f] 	To git@github.com:mindvalley/lightbringer.git
DEBUG [5183878f] 	   73de8eb..add744a  production -> production
 INFO [5183878f] Finished in 4.442 seconds with exit status 0 (successful).

deploy.rb

  before :deploy, :sync_production_to_master do
    run_locally do
      execute :git, 'checkout master'
      execute :git, 'pull origin master'
      execute :git, 'checkout production'
      execute :git, 'pull --rebase origin production'
      execute :git, 'rebase master'
      execute :git, 'push origin production'
    end
  end