read -p 'WordPress tag (enter): ' tag_name

# Go to tmp folder
[[ -d tmp ]] || mkdir tmp
cd tmp

# Get wordpress
[[ -d WordPress ]] ||git clone git@github.com:WordPress/WordPress.git
cd WordPress

git fetch

if test "$tag_name" != ''; then
  git checkout -b $tag_name tags/$tag_name
else
  git checkout master
  git pull
fi

# Back to root
cd ../..

# Clean up
rm -rf public/vendor/gutenberg/
mkdir public/vendor/gutenberg/

# Generating scripts.json with gutenberg js packages and dependencies
node scripts/g-scripts.js

# Copy gutenberg packages js
cp tmp/WordPress/wp-includes/js/dist/* public/vendor/gutenberg/

# Add packages prefixes (ex: ally.js => wp-a11y.js)
cd public/vendor/gutenberg/
for f in * ; do mv -- "$f" "wp-$f" ; done
cd -

# Copy vendor (lodash, react, etc)
cp -Rf tmp/WordPress/wp-includes/js/dist/vendor/ public/vendor/gutenberg/vendor

# Copy packages css
cp -Rf tmp/WordPress/wp-includes/css/dist/ public/vendor/gutenberg/styles/

# Add packages prefixes (ex: wp-block-editor)
cd public/vendor/gutenberg/styles
for f in * ; do mv -- "$f" "wp-$f" ; done