cli.rb in gitlab-exporter-13.0.3

- old
+ new

@@ -1,7 +1,21 @@
 require "yaml"
 
+# TODO: Remove this once we're on Ruby 3
+# https://gitlab.com/gitlab-org/gitlab/-/issues/393651
+unless YAML.respond_to?(:safe_load_file)
+  module YAML # rubocop:disable Style/Documentation
+    # Temporary Ruby 2 back-compat workaround.
+    #
+    # This method only exists as of stdlib 3.0.0:
+    # https://ruby-doc.org/stdlib-3.0.0/libdoc/psych/rdoc/Psych.html
+    def self.safe_load_file(path, **options)
+      YAML.safe_load(File.read(path), **options)
+    end
+  end
+end
+
 module GitLab
   module Exporter
     # Stores runner classes in a single place
     #
     # The entry point is the module method "for" which takes the name of a runner.
@@ -182,10 +196,10 @@
         end
 
         def run
           validate!
 
-          config = Utils.deep_symbolize_hash_keys(YAML.load_file(@config_file))
+          config = Utils.deep_symbolize_hash_keys(YAML.safe_load_file(@config_file, aliases: true))
 
           WebExporter.setup(config)
           WebExporter.run!
         end
 