Class: Pitman

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

Constant Summary collapse

DEFAULT_GEMS = 
%w(bigdecimal io-console json minitest
psych rake rdoc test-unit)

Class Method Summary collapse

Class Method Details

.collect(root) ⇒ Object 



30
31
32
33
34
35
 
# File 'lib/pitman.rb', line 30

def self.collect(root)
  used = used_gems(root)
  all  = gems_list

  all - (used + DEFAULT_GEMS)
end

.gems_list ⇒ Object 



5
6
7
 
# File 'lib/pitman.rb', line 5

def self.gems_list
  `gem list`.split("\n").collect { |str| str.split(" (").first.strip }
end

.parse(file) ⇒ Object 



9
10
11
12
13
14
15
 
# File 'lib/pitman.rb', line 9

def self.parse(file)
  File.read(file)
    .split("\n")
    .select  { |str| str =~ /\(.+\)/ }
    .collect { |str| str.split(" ").first }
    .uniq
end

.used_gems(root) ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'lib/pitman.rb', line 17

def self.used_gems(root)
  dirs = root.children.select { |c| c.directory? }

  gems = dirs.collect do |dir|
    Dir.chdir(dir) do
      next unless File.exist?('Gemfile.lock')
      parse('Gemfile.lock')
    end
  end

  gems.flatten
end