X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/19ae770973482257117fe8ded5619c3018c4b60f..a4959ce78b69f1f4e0e59e2458af8d11bc1d5510:/services/api/app/models/commit_ancestor.rb

diff --git a/services/api/app/models/commit_ancestor.rb b/services/api/app/models/commit_ancestor.rb
index 71ea57fb95..3d5152c3ff 100644
--- a/services/api/app/models/commit_ancestor.rb
+++ b/services/api/app/models/commit_ancestor.rb
@@ -1,3 +1,7 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 # Usage:
 #
 # x = CommitAncestor.find_or_create_by_descendant_and_ancestor(a, b)
@@ -16,13 +20,13 @@ class CommitAncestor < ActiveRecord::Base
     @gitdirbase = Rails.configuration.git_repositories_dir
     self.is = nil
     Dir.foreach @gitdirbase do |repo|
-      next if repo.match /^\./
+      next if repo.match(/^\./)
       git_dir = repo.match(/\.git$/) ? repo : File.join(repo, '.git')
       repo_name = repo.sub(/\.git$/, '')
       ENV['GIT_DIR'] = File.join(@gitdirbase, git_dir)
-      IO.foreach("|git rev-list --format=oneline '#{self.descendant.gsub /[^0-9a-f]/,""}'") do |line|
+      IO.foreach("|git rev-list --format=oneline '#{self.descendant.gsub(/[^0-9a-f]/,"")}'") do |line|
         self.is = false
-        sha1, message = line.strip.split(" ", 2)
+        sha1, _ = line.strip.split(" ", 2)
         if sha1 == self.ancestor
           self.is = true
           break