ShellCheck – shell script analysis tool

• https://www.shellcheck.net/
• https://github.com/koalaman/shellcheck
• https://github.com/ajaxorg/ace
• https://github.com/koalaman/shellcheck/blob/master/LICENSE
• https://github.com/koalaman/shellcheck#user-content-installing
• https://github.com/koalaman/shellcheck#user-content-in-your-editor
• https://codeclimate.com/
• https://www.codacy.com/
• https://www.codefactor.io/