Class: LockCommand

Inherits:
Gem::Command
  • Object
show all
Defined in:
lib/gemlocker.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ LockCommand

Returns a new instance of LockCommand.



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# File 'lib/gemlocker.rb', line 10

def initialize
  super 'lock', 'Generate a lockdown list of gems',
        :strict => false

  add_option '-s', '--[no-]strict',
             'fail if unable to satisfy a dependency' do |strict, options|
    options[:strict] = strict
    
  end
end

Instance Method Details

#arguments ⇒ Object

:nodoc:



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# File 'lib/gemlocker.rb', line 22

def arguments # :nodoc:

  "GEMNAME       name of gem to lock\nVERSION       version of gem to lock"
end

#complain(message) ⇒ Object 



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# File 'lib/gemlocker.rb', line 34

def complain(message)
  if options[:strict] then
    raise Gem::Exception, message
  else
    say "# #{message}"
  end
end

#defaults_str ⇒ Object

:nodoc:



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# File 'lib/gemlocker.rb', line 26

def defaults_str # :nodoc:

  "--no-strict"
end

#execute(out_file_path, x) ⇒ Object 



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# File 'lib/gemlocker.rb', line 42

def execute(out_file_path,x)
  
  fgl = File.open(File.join(out_file_path, "gem_lockdown.rb"), "w");
    if !fgl then
      say " gem_lockdown.rb is not writable";
    else
      fgl.puts"require 'rubygems'"
    end
  pending = [];
  locked = {}
   gemlist_file = File.join(out_file_path,"gemlist.log") 
   if (File.file?(gemlist_file) && File.readable?(gemlist_file)) then
          f = File.open(gemlist_file,"r");
          
          while (gemx=f.gets) do 
          
          pending "          end\n    else\n      puts \"cant open gemlist file\"\n      return\n    end\n    \n        puts \"-----------------------------------------------------------\",\"direct dependencies ... \#{pending.size}\",\"-----------------------------------------------------------\";\n       \n  until pending.empty? do\n    full_name = pending.shift\n    \n    spec = Gem::SourceIndex.load_specification spec_path(full_name)\n    \n    if spec.nil? then\n      complain \"Could not find gem \#{full_name}, try using the full name\"\n      next\n    end\n    fgl.puts \"gem '\#{spec.name}','=\#{spec.version}'\" unless locked[spec.name]\n    say \"gem '\#{spec.name}', '= \#{spec.version}'\" unless locked[spec.name]\n    locked[spec.name] = true\n\n    spec.runtime_dependencies.each do |dep|\n      next if locked[dep.name]\n      candidates = Gem.source_index.search dep\n\n      if candidates.empty? then\n        complain \"Unable to satisfy '\#{dep}' from currently installed gems\"\n      else\n        pending << candidates.last.full_name\n      end\n    end\n  end\n  fgl.close\n   puts \"-----------------------------------------------------------\",\"gem Lockdown file: \#{File.join(out_file_path, \"gem_lockdown.rb\")}\",\"-----------------------------------------------------------\";\n  \nend\n".strip

#spec_path(gem_full_name) ⇒ Object 



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# File 'lib/gemlocker.rb', line 96

def spec_path(gem_full_name)
  gemspecs = Gem.path.map do |path|
    File.join path, "specifications", "#{gem_full_name}.gemspec"
  end

  gemspecs.find { |gemspec| File.exist? gemspec }
end

#usage ⇒ Object

:nodoc:



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# File 'lib/gemlocker.rb', line 30

def usage # :nodoc:

  "#{program_name} GEMNAME-VERSION [GEMNAME-VERSION ...]"
end