#!/bin/sh
set -e

umask 022
test -d package || sh -cx '! : Wrong working directory.'
test -d src || sh -cx '! : Wrong working directory.'

here=`env - PATH=$PATH pwd`

mkdir -p compile command
test -r compile/home || echo $here >compile/home
test -h compile/src || ln -s $here/src compile/src

echo 'Linking ./src/* into ./compile...'
for i in `ls src`; do
  test -h compile/$i || ln -s src/$i compile/$i
done

echo 'Compiling everything in ./compile...'
sh -cxe 'cd compile; exec make'

echo 'Copying commands into ./command...'
for i in `cat package/commands`; do
  rm -f command/$i'{new}'
  cp -p compile/$i command/$i'{new}'
  mv -f command/$i'{new}' command/$i
done