reformat-markdown

#!/bin/sh
#
# @author René Schwaiger <sanssecours@me.com>
# @brief Reformat Markdown files
# @date 13.02.2019
# @tags reformat

SCRIPTS_DIR=$(dirname "$0")
. "${SCRIPTS_DIR}/include-common"

cd "$SOURCE" || {
	printf 'Unable to change into source directory'
	exit 1
}

NPX="$(which npx)"

if [ -z "${NPX}" ]; then
	printf 2>&1 'Please install `npx` (Included in npm >= 5.2.0)\n'
	exit 1
fi

if [ $# -gt 0 ]; then
	markdown_files=$(printf "%s\n" "$@" | grep -x '.*\.md')
	if [ -z "$markdown_files" ]; then
		exit 0
	fi
else
	markdown_files=$(git ls-files '*.md')
fi
printf "%s\n" "$markdown_files" | sed -nE 's/(.*)/'"'"'\1'"'"'/p' | xargs "${NPX}" --quiet prettier@1.19.1 --write -- > /dev/null