#!/bin/sh

setglobal T = $1

for h in [\
	*.txt *.html \
	howto/*.txt howto/*.html \
	technical/*.txt technical/*.html \
	RelNotes/*.txt *.css]
{
	if test ! -f $h
	{
		: did not match
	} elif test -f "$T/$h" &&
		$DIFF -u -I'^Last updated ' "$T/$h" $h
	{
		:; # up to date
	} else {
		echo >&2 "# install $h $T/$h> !2 "# install $h $T/$h"
		rm -f "$T/$h"
		mkdir -p $[dirname "$T/$h]
		cp $h "$T/$h"
	}
}
setglobal strip_leading = $[echo "$T/" | sed -e 's|.|.|g]
for th in [\
	"$T"/*.html "$T"/*.txt \
	"$T"/howto/*.txt "$T"/howto/*.html \
	"$T"/technical/*.txt "$T"/technical/*.html]
{
	setglobal h = $[expr $th : "$strip_leading"'\(.*\)]
	match $h {
	with RelNotes-*.txt | index.html continue 
	}
	test -f $h && continue
	echo >&2 "# rm -f $th> !2 "# rm -f $th"
	rm -f $th
}
ln -sf git.html "$T/index.html"