Backport of "Use Geo log to remove files when migrated to object storage"

app/uploaders/gitlab_uploader.rb

@@ -63,6 +63,12 @@ class GitlabUploader < CarrierWave::Uploader::Base
     super || file&.filename
   end
 
+  def relative_path
+    return path if pathname.relative?
+
+    pathname.relative_path_from(Pathname.new(root))
+  end
+
   def model_valid?
     !!model
   end
@@ -115,4 +121,8 @@ class GitlabUploader < CarrierWave::Uploader::Base
     # the cache directory.
     File.join(work_dir, cache_id, version_name.to_s, for_file)
   end
+
+  def pathname
+    @pathname ||= Pathname.new(path)
+  end
 end

app/uploaders/job_artifact_uploader.rb

@@ -9,6 +9,8 @@ class JobArtifactUploader < GitlabUploader
 
   storage_options Gitlab.config.artifacts
 
+  alias_method :upload, :model
+
   def cached_size
     return model.size if model.size.present? && !model.file_changed?
 

app/uploaders/legacy_artifact_uploader.rb

@@ -8,6 +8,8 @@ class LegacyArtifactUploader < GitlabUploader
 
   storage_options Gitlab.config.artifacts
 
+  alias_method :upload, :model
+
   def store_dir
     dynamic_segment
   end

app/uploaders/lfs_object_uploader.rb

@@ -6,6 +6,8 @@ class LfsObjectUploader < GitlabUploader
 
   storage_options Gitlab.config.lfs
 
+  alias_method :upload, :model
+
   def filename
     model.oid[4..-1]
   end

spec/support/shared_examples/uploaders/gitlab_uploader_shared_examples.rb

@@ -33,6 +33,14 @@ shared_examples "builds correct paths" do |**patterns|
     it_behaves_like "matches the method pattern", :upload_path
   end
 
+  describe "#relative_path" do
+    it 'is relative' do
+      skip 'Path not set, skipping.' unless subject.path
+
+      expect(Pathname.new(subject.relative_path)).to be_relative
+    end
+  end
+
   describe ".absolute_path" do
     it_behaves_like "matches the method pattern", :absolute_path do
       let(:target) { subject.class }