Diff-based, filetype-specific linting

validate

#!/usr/bin/env bash

# Run filetype-specific linting on a given commit range.
# ------------------------------------------------------
#
# Usage:
#
#   $ travis/validate HEAD~5
#   $ travis/validate $TRAVIS_COMMIT_RAGE

changed_files=`git diff --name-only $1 --diff-filter=ACMRTUXB`

for ext in php js scss; do
  changed_by_type=`echo "$changed_files" | awk -v ext="$ext$" '{ if($1 ~ ext) print $1}'`

  if [[ -z "$changed_by_type" ]]; then
    echo "no $ext files found. Skipping..."
    continue
  fi

  case $ext in
    php)
      echo "Checking PHP..."
      vendor/bin/php-validate $changed_by_type
      ;;

    js|scss)
      echo "Checking JS & SCSS..."
      yarn run prettier:validate $changed_by_type
      ;;
  esac

  response=$?

  if [[ $response > 0 ]]; then
    exit $response
  fi
done