Rubocop is a Ruby linter and formatter. It has a series of checks for aspects
such as style, code metrics, and naming. Rubocop also verifies for security
concerns: unsafe evaluation, YAML deserializations, and many more. The
formatter capability can be used to fix many of the issues automatically.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line:
sudo apt update
sudo apt install snapd
After this, install the snapd snap in order to get the latest snapd:
sudo snap install snapd
Install Rubocop
To install Rubocop, simply use the following command: