lua+luarocks in sandboxed environment

install.sh

#!/usr/bin/env bash

set -e

die() {
    echo "$1";
    exit 1;
}

# Fetch and install Lua/LuaRocks/Kepler into the local directory

ROOT=`pwd`
SANDBOX="${ROOT}/sandbox"
TMP_DIR="${ROOT}/sandbox/src"

if [ ! -d "${TMP_DIR}" ]; then mkdir -p "${TMP_DIR}"; fi
pushd "${TMP_DIR}"

PREFIX="${ROOT}"

rm -fr "lua-5.1.4"
wget http://www.lua.org/ftp/lua-5.1.4.tar.gz;
tar -zxf "lua-5.1.4.tar.gz"
pushd lua-5.1.4

# Patch the LUA install to allow LUA_ROOT to be overridden by variable

patch -p0 << ENDPATCH
diff -Naur src_orig/luaconf.h src/luaconf.h
--- src_orig/luaconf.h  2010-05-17 13:30:51.000000000 +0000
+++ src/luaconf.h   2010-05-17 13:31:34.000000000 +0000
@@ -94,9 +94,18 @@
 	".\\\\?.dll;"  LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll"
 
 #else
+#ifndef LUA_ROOT
 #define LUA_ROOT	"/usr/local/"
+#endif
+
+#ifndef LUA_LDIR
 #define LUA_LDIR	LUA_ROOT "share/lua/5.1/"
+#endif
+
+#ifndef LUA_CDIR
 #define LUA_CDIR	LUA_ROOT "lib/lua/5.1/"
+#endif
+
 #define LUA_PATH_DEFAULT  \\
 		"./?.lua;"  LUA_LDIR"?.lua;"  LUA_LDIR"?/init.lua;" \\
 		            LUA_CDIR"?.lua;"  LUA_CDIR"?/init.lua"
ENDPATCH

patch -p0 << ENDPATCH
diff -Naur src.orig/Makefile src/Makefile
--- src.orig/Makefile   2008-03-23 12:28:40.000000000 +0000
+++ src/Makefile        2008-03-23 12:29:07.000000000 +0000
@@ -8,7 +8,7 @@
 PLAT= none
 
 CC= gcc
-CFLAGS= -O2 -Wall \$(MYCFLAGS)
+CFLAGS= -O2 -DLUA_ROOT=\"${SANDBOX}/\" -Wall \$(MYCFLAGS)
 AR= ar rcu
 RANLIB= ranlib
 RM= rm -f
ENDPATCH

# Compile and install Lua
case `uname` in
'Linux')
    LUA_TARGET="linux"
    ;;
'Darwin')
    LUA_TARGET="macosx"
    ;;
esac

make ${LUA_TARGET} INSTALL_TOP="${SANDBOX}"
make install INSTALL_TOP="${SANDBOX}"
make clean

# Download and install Luarocks
popd
wget http://luarocks.org/releases/luarocks-2.0.2.tar.gz;
if [ -d "luarocks-2.0.2" ]; then rm -fr luarocks-2.0.2; fi
tar -zxf "luarocks-2.0.2.tar.gz"
pushd luarocks-2.0.2
./configure --with-lua="${SANDBOX}" --prefix="${SANDBOX}" --force-config 
make && make install && make clean

popd # Back to tmp
popd # Back to the original directory