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October 18, 2017 15:05
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Run rubocop on `git commit` (add to the `/.git/hooks` folder of your app)
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#!/bin/sh | |
# | |
# Check for ruby style errors | |
red='\033[0;31m' | |
green='\033[0;32m' | |
yellow='\033[0;33m' | |
NC='\033[0m' | |
if git rev-parse --verify HEAD >/dev/null 2>&1 | |
then | |
against=HEAD | |
else | |
# Initial commit: diff against an empty tree object | |
# Change it to match your initial commit sha | |
against=5078b31123qc4a1782b64efcfb5644fb11934f6f | |
fi | |
# Check if rubocop is installed for the current project | |
bin/bundle exec rubocop -v >/dev/null 2>&1 || { echo >&2 "${red}[Ruby Style][Fatal]: Add rubocop to your Gemfile"; exit 1; } | |
# Get only the staged files | |
FILES="$(git diff --cached --name-only --diff-filter=AMC | grep "\.rb$" | tr '\n' ' ')" | |
echo "${green}[Ruby Style][Info]: Checking Ruby Style${NC}" | |
if [ -n "$FILES" ] | |
then | |
echo "${green}[Ruby Style][Info]: ${FILES}${NC}" | |
if [ ! -f '.rubocop.yml' ]; then | |
echo "${yellow}[Ruby Style][Warning]: No .rubocop.yml config file.${NC}" | |
fi | |
# Run rubocop on the staged files | |
bin/bundle exec rubocop --force-exclusion ${FILES} | |
if [ $? -ne 0 ]; then | |
echo "${red}[Ruby Style][Error]: Fix the issues and commit again${NC}" | |
exit 1 | |
fi | |
else | |
echo "${green}[Ruby Style][Info]: No files to check${NC}" | |
fi | |
exit 0 |
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