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@gaganawhad
Forked from mpeteuil/rubocop_pre_commit_hook
Last active August 29, 2015 14:26
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Ruby style guide git pre-commit hook using Rubocop as the style guide checker. Only runs on staged ruby files that have been added and/or modified.
#!/usr/bin/env ruby
require 'english'
require 'rubocop'
require 'byebug'
ADDED_OR_MODIFIED = /A|AM|^M/.freeze
changed_files = `git status --porcelain`.split(/\n/).
select { |file_name_with_status|
file_name_with_status =~ ADDED_OR_MODIFIED
}.
map { |file_name_with_status|
file_name_with_status.split(' ')[1]
}.
select { |file_name|
File.extname(file_name) == '.rb'
}.join(' ')
any ? system("git ls-files --modified --others --exclude-standard") #get a list of all modified and new files that aren't staged
if any? system("git stash git stash -k -u") # stash all unstaged files
status = system("rubocop -a #{changed_files}") unless changed_files.empty?
if any? system("git stash pop") # pop the latest stashed files
exit status.to_s[-1].to_i
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