Use metadata stored in artifacats metadata file

2 files changed, 19 insertions, 4 deletions

diff --git a/app/controllers/projects/artifacts_controller.rb b/app/controllers/projects/artifacts_controller.rb
index 8a1ff383134..3a112587f72 100644
--- a/app/controllers/projects/artifacts_controller.rb
+++ b/app/controllers/projects/artifacts_controller.rb
@@ -18,8 +18,8 @@ class Projects::ArtifactsController < Projects::ApplicationController
     return render_404 unless build.artifacts?
 
     current_path = params[:path] ? "./#{params[:path]}/" : './'
-    artifacts_metadata = build.artifacts_metadata_for(current_path)
-    @path = Gitlab::StringPath.new(current_path, artifacts_metadata)
+    metadata = build.artifacts_metadata_for_path(current_path)
+    @path = Gitlab::StringPath.new(current_path, metadata)
   end
 
   private
diff --git a/app/models/ci/build.rb b/app/models/ci/build.rb
index 98f9e6911f2..2c389bbdf61 100644
--- a/app/models/ci/build.rb
+++ b/app/models/ci/build.rb
@@ -349,8 +349,23 @@ module Ci
       artifacts? && artifacts_file.path.end_with?('zip') && artifacts_metadata.exists?
     end
 
-    def artifacts_metadata_for(path)
-      {}
+    def artifacts_metadata_for_path(path)
+      return {} unless artifacts_metadata.exists?
+      metadata = []
+      meta_path = path.sub(/^\.\//, '')
+
+      File.open(artifacts_metadata.path) do |file|
+        gzip = Zlib::GzipReader.new(file)
+        gzip.each_line do |line|
+          if line =~ %r{^#{meta_path}[^/]+/?\s}
+            path, meta = line.split(' ')
+            metadata << path
+          end
+        end
+        gzip.close
+      end
+
+      metadata
     end
 
     private