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

FU =

ENV['DRY_RUN'] ? FileUtils::DryRun : FileUtils

VERSION =

Version.to_s

Instance Method Summary (collapse)

• - (Boolean) can_symlink?
• - (Object) find(arg) (also: #[])
• - (Object) path_for(arg)
• - (Object) update(inst_or_uninst)
• - (Object) update_all(gem_dir = Gem.dir)
• - (Object) version_for(arg)

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# File 'lib/current_gem.rb', line 76

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

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# File 'lib/current_gem.rb', line 40

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

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# File 'lib/current_gem.rb', line 53

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

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# File 'lib/current_gem.rb', line 63

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

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# File 'lib/current_gem.rb', line 67

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

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

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

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# File 'lib/current_gem.rb', line 58

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