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.



7
8
9
10
 
# 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) 


12
13
14
 
# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 12

def active?
  super && go_files_exist?
end

#current_packages ⇒ Object 



33
34
35
36
37
38
39
40
41
42
43
44
 
# 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) 


16
17
18
 
# 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 



54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
 
# 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 



50
51
52
 
# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 50

def package_management_command
  'go'
end

#possible_package_paths ⇒ Object 



20
21
22
 
# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 20

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

#project_sha(path) ⇒ Object 



24
25
26
27
28
29
30
31
 
# 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 



46
47
48
 
# File 'lib/license_finder/package_managers/go_15vendorexperiment.rb', line 46

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