require 'securerandom' # Compare 2 refs for one repo or between repositories # and return Gitlab::Git::Compare object that responds to commits and diffs class CompareService attr_reader :start_project, :start_ref_name def initialize(new_start_project, new_start_ref_name) @start_project = new_start_project @start_ref_name = new_start_ref_name end def execute(target_project, target_ref, base_sha: nil, straight: false) raw_compare = target_project.repository.compare_source_branch(target_ref, start_project.repository, start_ref_name, straight: straight) return unless raw_compare Compare.new(raw_compare, target_project, base_sha: base_sha, straight: straight) end end