1 files changed, 13 insertions, 5 deletions
diff --git a/lib/backup/builds.rb b/lib/backup/builds.rb
index 71e9704..285cf65 100644
--- a/lib/backup/builds.rb
+++ b/lib/backup/builds.rb
@@ -1,23 +1,31 @@
 module Backup
   class Builds
-    attr_reader :app_builds_dir, :backup_builds_dir, :backup_dir
+    attr_reader :app_builds_dir, :backup_builds_tarball, :backup_dir
 
     def initialize
       @app_builds_dir = File.realpath(Rails.root.join('builds'))
       @backup_dir = GitlabCi.config.backup.path
-      @backup_builds_dir = File.join(GitlabCi.config.backup.path, 'builds')
+      @backup_builds_tarball = File.join(GitlabCi.config.backup.path, 'builds/builds.tar.gz')
     end
 
     # Copy builds from builds directory to backup/builds
     def dump
-      FileUtils.mkdir_p(backup_builds_dir)
-      FileUtils.cp_r(app_builds_dir, backup_dir)
+      FileUtils.mkdir_p(File.dirname(backup_builds_tarball))
+      FileUtils.rm_f(backup_builds_tarball)
+
+      system(
+        *%W(tar -C #{app_builds_dir} -czf - -- .),
+        out: [backup_builds_tarball, 'w', 0600]
+      )
     end
 
     def restore
       backup_existing_builds_dir
 
-      FileUtils.cp_r(backup_builds_dir, app_builds_dir)
+      system(
+        *%W(tar -C #{app_builds_dir} -xzf - -- .),
+        in: backup_builds_tarball
+      )
     end
 
     def backup_existing_builds_dir