I broke up with neovim....vim is my best friend now

dot_vim/plugged/ale/ale_linters/ruby/rubocop.vim

@@ -0,0 +1,31 @@
+" Author: ynonp - https://github.com/ynonp, Eddie Lebow https://github.com/elebow
+" Description: RuboCop, a code style analyzer for Ruby files
+
+call ale#Set('ruby_rubocop_executable', 'rubocop')
+call ale#Set('ruby_rubocop_options', '')
+
+function! ale_linters#ruby#rubocop#GetCommand(buffer) abort
+    let l:executable = ale#Var(a:buffer, 'ruby_rubocop_executable')
+
+    return ale#ruby#EscapeExecutable(l:executable, 'rubocop')
+    \   . ' --format json --force-exclusion '
+    \   . ale#Var(a:buffer, 'ruby_rubocop_options')
+    \   . ' --stdin %s'
+endfunction
+
+function! ale_linters#ruby#rubocop#GetType(severity) abort
+    if a:severity is? 'convention'
+    \|| a:severity is? 'warning'
+    \|| a:severity is? 'refactor'
+        return 'W'
+    endif
+
+    return 'E'
+endfunction
+
+call ale#linter#Define('ruby', {
+\   'name': 'rubocop',
+\   'executable': {b -> ale#Var(b, 'ruby_rubocop_executable')},
+\   'command': function('ale_linters#ruby#rubocop#GetCommand'),
+\   'callback': 'ale#ruby#HandleRubocopOutput',
+\})