Class: GT::Commands::Down

Inherits:
Object
  • Object
show all
Defined in:
lib/gt/commands/down.rb

Class Method Summary collapse

Class Method Details

.run(_argv) ⇒ Object

Raises:



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# File 'lib/gt/commands/down.rb', line 6

def self.run(_argv)
  branches = GT::Stack.build_all
  raise GT::UserError, "No stack found. Use `gt create` to start one." if branches.length < 2

  current = GT::Git.current_branch
  idx = branches.index(current)
  raise GT::UserError, "Current branch '#{current}' is not in a stack." if idx.nil?
  raise GT::UserError, "Already at the bottom of the stack." if idx == 0

  GT::Git.checkout(branches[idx - 1])
end