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Re factor the "gem-cd" command.

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- Add a argument check, so the command doesn't blow up.
- Simplify the code.
This commit is contained in:
Rob Gleeson 2011-05-10 06:55:46 +01:00
parent 42eca4fbb7
commit 045f3fa8d5
1 changed files with 7 additions and 5 deletions
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12
lib/pry/default_commands/gems.rb
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@ -28,11 +28,13 @@ class Pry
output.puts "Refreshed gem cache."
end
command "gem-cd", "Change working directory to specified gem's directory." do |gem_name|
require 'rubygems'
gem_spec = Gem.source_index.find_name(gem_name).first
next output.puts("Gem `#{gem_name}` not found.") if !gem_spec
Dir.chdir(File.expand_path(gem_spec.full_gem_path))
command "gem-cd", "Change working directory to specified gem's directory." do |gem|
if gem
spec = Gem.source_index.find_name(gem).first
spec ? Dir.chdir(spec.full_gem_path) : output.puts("Gem `#{gem}` not found.")
else
output.puts 'gem-cd requires the name of a gem as an argument.'
end
end