Class: GitWaybackMachine::Engine

Inherits:
Object
  • Object
show all
Defined in:
lib/git_wayback_machine/engine.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Engine 



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# File 'lib/git_wayback_machine/engine.rb', line 4

def initialize
  @history   = GitWaybackMachine::History.new
  @navigator = GitWaybackMachine::Navigator.new(@history)
end

Instance Method Details

#move_to(entry) ⇒ Object 



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# File 'lib/git_wayback_machine/engine.rb', line 22

def move_to(entry)
  `git reset --hard #{entry.sha}`
end

#rollback! ⇒ Object 



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# File 'lib/git_wayback_machine/engine.rb', line 30

def rollback!
  puts "\rJumping back to the reality!"
  move_to @history[0]
  `git stash pop` unless @stash.include?("No local changes to save")
end

#start! ⇒ Object 



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# File 'lib/git_wayback_machine/engine.rb', line 9

def start!
  stash!

  @navigator.on_change do |commit|
    move_to commit
  end

rescue Interrupt => e
  nil # that's cool
ensure
  rollback!
end

#stash! ⇒ Object 



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# File 'lib/git_wayback_machine/engine.rb', line 26

def stash!
  @stash = `git stash -u`
end