Add --disable-pending-cops flag to RuboCop pre-commit hook

Author: sds

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Overcommit Changelog
 
+## master (unreleased)
+
+* Add `--disable-pending-cops` as default flag to `RuboCop` pre-commit hook to ignore non-existent cops.
+
 ## 0.58.0
 
 * Add `rexml` dependency explicitly to support Ruby 3.0.

config/default.yml

@@ -703,7 +703,7 @@ PreCommit:
     enabled: false
     description: 'Analyze with RuboCop'
     required_executable: 'rubocop'
-    flags: ['--format=emacs', '--force-exclusion', '--display-cop-names']
+    flags: ['--format=emacs', '--force-exclusion', '--display-cop-names', '--disable-pending-cops']
     install_command: 'gem install rubocop'
     include:
       - '**/*.gemspec'