This tool detects omission of modification of callers when the name of a method, number of arguments, or the name of a keyword argument is modified.

semgrep-changes will run semgrep on changed lines from forked point in your main branch. It will not complain about existing offenses in master branch on your git prioject. This gem is perfect as a Continuous Integration tool

uncov compares your current branch with a target branch, identifies changed files, and reports on test coverage for those changes