Class: LicenseFinder::Go15VendorExperiment

Inherits:
PackageManager show all
Defined in:
lib/license_finder/package_managers/go_15vendorexperiment.rb

Instance Method Summary collapse

Methods inherited from PackageManager

#command_exists?, #current_packages_with_relations, #detected_package_path, id, #installed?, #prepare, #prepare_command, #project_root?, takes_priority_over

Constructor Details

#initialize(options = {}) ⇒ Go15VendorExperiment

Returns a new instance of Go15VendorExperiment.



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# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 7

def initialize(options = {})
  super
  @full_version = options[:go_full_version]
end

Instance Method Details

#active? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 12

def active?
  super && go_files_exist?
end

#current_packages ⇒ Object 



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# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 33

def current_packages
  deps = go_list
  vendored_deps = deps.select { |dep| detected_package_path.join(dep).exist? }
  vendored_deps.map do |dep|
    GoPackage.from_dependency({
                                'ImportPath' => dep,
                                'InstallPath' => detected_package_path.join(dep),
                                'Rev' => 'vendored-' + project_sha(detected_package_path.join(dep)),
                                'Homepage' => repo_name(dep)
                              }, nil, true)
  end
end

#go_files_exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 16

def go_files_exist?
  !Dir[project_path.join('**/*.go')].empty? && !Dir[project_path.join('vendor/**/*.go')].empty?
end

#go_list ⇒ Object 



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# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 54

def go_list
  Dir.chdir(project_path) do
    # avoid checking canonical import path. some projects uses
    # non-canonical import path and rely on the fact that the deps are
    # checked in. Canonical paths are only checked by `go get'. We
    # discovered that `go list' will print a warning and unfortunately exit
    # with status code 1. Setting GOPATH to nil removes those warnings.
    orig_gopath = ENV['GOPATH']
    ENV['GOPATH'] = nil
    val, _stderr, status = Cmd.run('go list -f "{{join .Deps \"\n\"}}" ./...')
    ENV['GOPATH'] = orig_gopath
    return [] unless status.success?

    # Select non-standard packages. `go list std` returns the list of standard
    # dependencies. We then filter those dependencies out of the full list of
    # dependencies.
    deps = val.split("\n")
    Cmd.run('go list std').first.split("\n").each do |std|
      deps.delete_if do |dep|
        dep =~ %r{(\/|^)#{std}(\/|$)}
      end
    end
    deps.map do |d|
      dep_parts = d.split('/')
      if dep_parts.length > 2
        dep_parts[0..2].join('/')
      else
        d
      end
    end
  end
end

#package_management_command ⇒ Object 



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# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 50

def package_management_command
  'go'
end

#possible_package_paths ⇒ Object 



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# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 20

def possible_package_paths
  [project_path.join('vendor')]
end

#project_sha(path) ⇒ Object 



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# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 24

def project_sha(path)
  Dir.chdir(path) do
    stdout, _stderr, status = Cmd.run('git rev-list --max-count 1 HEAD')
    raise 'git rev-list failed' unless status.success?

    stdout.strip
  end
end

#repo_name(name) ⇒ Object 



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# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 46

def repo_name(name)
  name.split('/')[0..2].join('/')
end