@echo off
setlocal

iff exist bsource.zip then
	inkey /k"ac[Esc]" BSOURCE.ZIP exists. Add files, or Create new archive (A/C)? %%key
	if "%key"=="c" del bsource.zip > nul
	if "%key"=="" quit
endiff

iff EXIST UPDATE.DAT then
	set lastAge=%@FILEAGE[UPDATE.DAT]
else
	set lastAge=0
endiff

set tempFile=%@UNIQUE[]
set hFile=%@FILEOPEN[%tempFile, WRITE]

for %fname in (makefile src\*.asm src\*.h src\*.c?? *.txt *.btm *.rfs names.h seq\*.seq qav\*.qav) do (
	if %@FILEAGE[%fname] GT %lastAge (
		set r=%@FILEWRITE[%hFile, %fname]
		set changed=TRUE
	)
)
set r=%@FILECLOSE[%hFile]

if "%changed"=="TRUE" (
	pkzip -o -P -selcycer bsource @%tempFile
	wtouch update.dat /f bsource.zip
)

del %tempFile > nul