#!/bin/sh
master=$(git ls-tree -r --name-only --full-tree master | grep "\.c")
markdown=$1
id=$(basename "${markdown%.md}")
index=${id#[a-z]}
c=${id%%[0-9]*}
case $c in
    'a') codefile=PATAdvanced/$index.c ;;
    'b') codefile=PATBasic/$index.c ;;
    't') codefile=PATTop/$index.c ;;
    *)   echo "file name wrong: $markdown"; exit ;;
esac
if [ "$master" != "${master%$codefile*}" ]; then
    python "$(dirname "$0")/build.py" -o "$id"
else
    echo "$codefile does not exist"
fi