1 files changed, 61 insertions, 0 deletions
diff --git a/lib/license/finder/ext/bundler.rb b/lib/license/finder/ext/bundler.rb
new file mode 100644
index 0000000..08ab3ac
--- /dev/null
+++ b/lib/license/finder/ext/bundler.rb
@@ -0,0 +1,61 @@
+# frozen_string_literal: true
+
+module LicenseFinder
+  class Bundler < PackageManager
+    def prepare
+      vendor_path = Pathname.pwd.join('.gitlab', 'cache', 'vendor')
+      shell.execute([:mkdir, '-p', vendor_path.to_s])
+
+      Dir.chdir(project_path) do
+        with_clean_bundler do
+          shell.execute([:bundle, :config, '--local', :path, vendor_path.to_s])
+          shell.execute([:bundle, :install, '--verbose'], env: default_env)
+        end
+      end
+    end
+
+    def current_packages
+      Dir.chdir(project_path) do
+        gem_details.map do |gem|
+          Dependency.new(
+            'Bundler',
+            gem.name,
+            gem.version.to_s,
+            description: gem.description,
+            detection_path: lockfile_path,
+            homepage: gem.homepage,
+            install_path: gem.full_gem_path || '/dev/null',
+            spec_licenses: gem.licenses,
+            summary: gem.summary
+          )
+        end
+      end
+    end
+
+    private
+
+    def default_env
+      @default_env ||= {
+        'BUNDLE_ALLOW_OFFLINE_INSTALL' => 'true',
+        'BUNDLE_SUPPRESS_INSTALL_USING_MESSAGES' => 'true',
+        'BUNDLE_DISABLE_VERSION_CHECK' => 'true',
+        'BUNDLE_ERROR_ON_STDERR' => 'true',
+        'BUNDLE_IGNORE_MESSAGES' => 'true',
+        'BUNDLE_JOBS' => ENV.fetch('BUNDLE_JOBS', `nproc`.chomp),
+        'BUNDLE_SILENCE_ROOT_WARNING' => 'true',
+        'BUNDLE_WITH' => ENV.fetch('BUNDLE_WITH', included_groups.to_a.join(':'))
+      }.tap do |env|
+        env['BUNDLE_FROZEN'] = 'true' if lockfile_path.exist?
+        env['BUNDLE_SSL_CA_CERT'] = shell.custom_certificate_path.to_s if shell.custom_certificate_installed?
+      end
+    end
+
+    def with_clean_bundler
+      if ::Bundler.respond_to?(:with_unbundled_env)
+        ::Bundler.with_unbundled_env { yield }
+      else
+        ::Bundler.with_clean_env { yield }
+      end
+    end
+  end
+end