Module: CurrentGem

Extended by:
CurrentGem
Included in:
CurrentGem
Defined in:
lib/current_gem.rb,
lib/current_gem/version.rb

Defined Under Namespace

Modules: Version

Constant Summary collapse

SPEC_DIR = 
ENV['CURRENT_GEM_SPEC_DIR'] || 'specifications'
CURR_DIR = 
ENV['CURRENT_GEM_CURR_DIR'] || 'current'
FileUtils = 
ENV['DRY_RUN'] ? ::FileUtils::DryRun : ::FileUtils
VERSION = 
Version.to_s

Instance Method Summary collapse

Instance Method Details

#can_symlink? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/current_gem.rb', line 78

def can_symlink?
  if Gem.win_platform?
    warn 'WARNING:  Unable to use symlinks on Windows, skipping...'
    false
  else
    true
  end
end

#find(arg) ⇒ Object Also known as: [] 



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# File 'lib/current_gem.rb', line 45

def find(arg)
  case arg
    when Gem::Installer, Gem::Uninstaller then find_by_installer(arg)
    when Gem::Specification               then find_by_spec(arg)
    else                                       find_by_name(arg)
  end
end

#path_for(arg) ⇒ Object 



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# File 'lib/current_gem.rb', line 55

def path_for(arg)
  spec = find(arg) if can_symlink?
  current_path_for(spec) if spec
end

#update(installer) ⇒ Object 



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# File 'lib/current_gem.rb', line 65

def update(installer)
  symlink(find(installer)) if can_symlink?
end

#update_all(gem_dir = Gem.dir) ⇒ Object 



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# File 'lib/current_gem.rb', line 69

def update_all(gem_dir = Gem.dir)
  return unless can_symlink?

  path = base_path_for(gem_dir)
  FileUtils.rm_r(path) if File.directory?(path)

  Gem::Specification.latest_specs.each { |spec| symlink(spec, path) }
end

#version_for(arg) ⇒ Object 



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# File 'lib/current_gem.rb', line 60

def version_for(arg)
  spec = find(arg)
  spec.version if spec
end