install.sh

#!/usr/bin/env bash

set -e

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

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

luarocks_version=2.2.2
lua_version=5.1.4
ROOT=`pwd`
SANDBOX="${1:-${ROOT}/sandbox}"
TMP_DIR="${SANDBOX}/src"

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

PREFIX="${ROOT}"

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

# 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	2008-02-11 11:25:08.000000000 -0500
+++ src/luaconf.h	2011-06-21 11:48:41.000000000 -0400
@@ -88,17 +88,26 @@
 #define LUA_LDIR	"!\\\\lua\\\\"
 #define LUA_CDIR	"!\\\\"
 #define LUA_PATH_DEFAULT  \\
-		".\\\\?.lua;"  LUA_LDIR"?.lua;"  LUA_LDIR"?\\\\init.lua;" \\
+		".\\\\?.lua;"  ".\\\\?\\\\init.lua;"  LUA_LDIR"?.lua;"  LUA_LDIR"?\\\\init.lua;" \\
 		             LUA_CDIR"?.lua;"  LUA_CDIR"?\\\\init.lua"
 #define LUA_CPATH_DEFAULT \\
 	".\\\\?.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;"  "./?/init.lua;"  LUA_LDIR"?.lua;"  LUA_LDIR"?/init.lua;" \\
 		            LUA_CDIR"?.lua;"  LUA_CDIR"?/init.lua"
 #define LUA_CPATH_DEFAULT \\
 	"./?.so;"  LUA_CDIR"?.so;" LUA_CDIR"loadall.so"
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-$luarocks_version.tar.gz;
if [ -d "luarocks-$luarocks_version" ]; then rm -fr luarocks-$luarocks_version; fi
tar -zxf "luarocks-$luarocks_version.tar.gz"
pushd luarocks-$luarocks_version
./configure --with-lua="${SANDBOX}" --prefix="${SANDBOX}" --force-config
make && make install && make clean

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