1 files changed, 41 insertions, 0 deletions
diff --git a/app/services/packages/debian/extract_deb_metadata_service.rb b/app/services/packages/debian/extract_deb_metadata_service.rb
new file mode 100644
index 00000000000..eb106f4cd30
--- /dev/null
+++ b/app/services/packages/debian/extract_deb_metadata_service.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+module Packages
+  module Debian
+    # Returns .deb file metadata
+    class ExtractDebMetadataService
+      CommandFailedError = Class.new(StandardError)
+
+      def initialize(file_path)
+        @file_path = file_path
+      end
+
+      def execute
+        unless success?
+          raise CommandFailedError, "The `#{cmd}` command failed (status: #{result.status}) with the following error:\n#{result.stderr}"
+        end
+
+        sections = ParseDebian822Service.new(result.stdout).execute
+
+        sections.each_value.first
+      end
+
+      private
+
+      def cmd
+        @cmd ||= begin
+          dpkg_deb_path = Gitlab.config.packages.dpkg_deb_path
+          [dpkg_deb_path, '--field', @file_path]
+        end
+      end
+
+      def result
+        @result ||= Gitlab::Popen.popen_with_detail(cmd)
+      end
+
+      def success?
+        result.status&.exitstatus == 0
+      end
+    end
+  end
+end