make: strip *.lua as intended since dcd89700

This saves a few kilobytes in the executable.
Also, the name XXD seemed no longer suitable,
as it does lua-specific cleaning.

config.mk

@@ -23,7 +23,7 @@ ETCDIR ?= $(PREFIX)/etc/kresd
 CC	?= cc
 RM	:= rm -f
 LN      := ln -s
-XXD     := ./scripts/embed.sh
+XXD_LUA := ./scripts/embed-lua.sh
 INSTALL := install
 
 # Flags

daemon/daemon.mk

@@ -12,7 +12,7 @@ kresd_DIST := daemon/lua/kres.lua daemon/lua/trust_anchors.lua
 
 # Embedded resources
 %.inc: %.lua
-	@$(call quiet,XXD,$<) $< > $@
+	@$(call quiet,XXD_LUA,$<) $< > $@
 ifeq ($(AMALG), yes)
 kresd.amalg.c: daemon/lua/sandbox.inc daemon/lua/config.inc
 else

scripts/embed-lua.sh

+#!/bin/sh
+set -e
+# clean unnecessary stuff from the lua file
+alias strip="sed -e 's/^[\t ]*//g; s/  */ /g; /^--/d; /^$/d'"
+if command -v xxd > /dev/null 2>&1; then
+	strip < "$1" | xxd -i -
+else
+	strip < "$1" | hexdump -v -e '/1 "0x%02X, " " "'
+fi
+exit $?

scripts/embed.sh

-#!/bin/sh
-set -e
-alias strip="sed -e 's/^[    ]*//g; s/[ ][ ]*/ /g; /^--/d; /^$/d'"
-if command -v xxd > /dev/null 2>&1; then
-	xxd -i - < $1 | strip
-else
-	hexdump -v -e '/1 "0x%02X, " " "' < $1 | strip
-fi
-exit $?