Reproduce failure with go modules scanning

* Install sudo for existing configurations
* Detect dependencies in a gomodules project
* Add CHANGELOG entry and bump version
* Symlink to $GOPATH for non go modules projects
* Remove problematic go get setup

4 files changed, 39 insertions, 2 deletions

diff --git a/lib/license/finder/ext.rb b/lib/license/finder/ext.rb
index fffa1c7..24afd37 100644
--- a/lib/license/finder/ext.rb
+++ b/lib/license/finder/ext.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+require 'license/finder/ext/go_modules'
 require 'license/finder/ext/license'
 require 'license/finder/ext/maven'
 require 'license/finder/ext/nuget'
diff --git a/lib/license/finder/ext/go_modules.rb b/lib/license/finder/ext/go_modules.rb
new file mode 100644
index 0000000..2ef3aa2
--- /dev/null
+++ b/lib/license/finder/ext/go_modules.rb
@@ -0,0 +1,36 @@
+module LicenseFinder
+  class GoModules
+    def prepare
+      shell.execute([:go, :mod, :tidy, '-v', '&&', :go, :mod, :vendor, '-v'])
+    end
+
+    def active?
+      Dir[project_path.join('go.sum')].any?
+    end
+
+    def current_packages
+      stdout, _stderr, status = shell.execute([
+        :go, :list, '-m', '-mod=vendor',
+        '-f', "'{{.Path}},{{.Version}},{{.Dir}}'", :all
+      ])
+      return [] unless status.success?
+
+      stdout.lines.map do |line|
+        name, version, dir = line.chomp.split(',')
+        next if Pathname(dir).cleanpath == absolute_project_path
+
+        Package.new(name, version, install_path: dir)
+      end.compact
+    end
+
+    private
+
+    def shell
+      @shell ||= ::License::Management::Shell.new
+    end
+
+    def absolute_project_path
+      @absolute_project_path ||= Pathname(project_path).cleanpath
+    end
+  end
+end
diff --git a/lib/license/finder/ext/pip.rb b/lib/license/finder/ext/pip.rb
index b57d7c8..a55dba7 100644
--- a/lib/license/finder/ext/pip.rb
+++ b/lib/license/finder/ext/pip.rb
@@ -66,7 +66,7 @@ module LicenseFinder
     end
 
     def legacy_results
-      pip_output.map do |name, version, children, location|
+      pip_output.map do |name, version, _children, _location|
         spec = pypi.definition_for(name, version)
         Package.new(
           name,
diff --git a/lib/license/management/version.rb b/lib/license/management/version.rb
index cee6d57..8440136 100644
--- a/lib/license/management/version.rb
+++ b/lib/license/management/version.rb
@@ -2,6 +2,6 @@
 
 module License
   module Management
-    VERSION = '3.4.0'
+    VERSION = '3.5.0'
   end
 end