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cd.rb
48 lines (38 loc) · 1.27 KB
/
cd.rb
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# frozen_string_literal: true
class Pry
class Command
class Cd < Pry::ClassCommand
match 'cd'
group 'Context'
description 'Move into a new context (object or scope).'
banner <<-'BANNER'
Usage: cd [OPTIONS] [--help]
Move into new context (object or scope). As in UNIX shells use `cd ..` to go
back, `cd /` to return to Pry top-level and `cd -` to toggle between last two
scopes. Complex syntax (e.g `cd ../@x/@y`) also supported.
cd @x
cd ..
cd /
cd -
https://github.com/pry/pry/wiki/State-navigation#wiki-Changing_scope
BANNER
command_options state: %i[old_stack]
def process
state.old_stack ||= []
if arg_string.strip == "-"
unless state.old_stack.empty?
pry_instance.binding_stack, state.old_stack =
state.old_stack, pry_instance.binding_stack
end
else
stack = ObjectPath.new(arg_string, pry_instance.binding_stack).resolve
if stack && stack != pry_instance.binding_stack
state.old_stack = pry_instance.binding_stack
pry_instance.binding_stack = stack
end
end
end
end
Pry::Commands.add_command(Pry::Command::Cd)
end
end