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March 29, 2018 18:02
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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.
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| #!/usr/bin/env ruby | |
| require 'rubocop' | |
| changed_files = `git diff --name-only --cached`.split(/\n/). | |
| select { |file_name| | |
| file_name.end_with?(".rb") || | |
| file_name.match?(/^Gemfile/) | |
| }.join(' ') | |
| `git stash --keep-index` | |
| system("bundle exec rubocop -c .rubocop.yml '#{changed_files}'") unless changed_files.empty? | |
| exit_status = $CHILD_STATUS.exitstatus | |
| `git stash pop` | |
| exit exit_status |
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