abuild: new style install scripts

install scripts are splitted into separate scripts. The install variable
should contain a list of the scripts. Each script should be the pkgname with
action as suffix. I.E:

install="$pkgname.pre-install $pkgname.post-install"

abuild

@@ -310,15 +310,24 @@ EOF
 	done
 
 	local metafiles=".PKGINFO"
-	if [ -n "$install" ]; then
-		cp "$srcdir/$install" "$dir/.INSTALL" || return 1
-		chmod +x "$dir/.INSTALL"
-		metafiles="$metafiles .INSTALL"
-	fi
-
-#	for i in pre-install post-install pre-deinstall post-deinstall; do
-#		[ -f ../$i ] && cp ../$i "$db"/
-#	done
+	for i in $install; do
+		script=${i#$name}
+		case "$script" in
+			.install)
+				warning "Deprecated .install script found."
+				script=.INSTALL
+				;;
+			.pre-install|.post-install|.pre-upgrade|.post-upgrade|.pre-deinstall|.post-deinstall)
+				msg "Adding $script"
+				;;
+			*) 	error "$script: Invalid install script"
+				return 1
+				;;
+		esac
+		cp "$srcdir/$i" "$dir/$script" || return 1
+		chmod +x "$dir/$script"
+		metafiles="$metafiles $script"
+	done
 	
 	set *
 	[ "$1" = '*' ] && set --
@@ -333,6 +342,7 @@ package() {
 # predefined splitfunc doc
 default_doc() {
 	depends="$depends_doc"
+	install="$install_doc"
 	local i
 	for i in doc man info html sgml licenses; do
 		if [ -d "$pkgdir/usr/share/$i" ]; then
@@ -361,6 +371,7 @@ doc() {
 # predefined splitfunc mod
 default_mod() {
 	depends="$kernel $depends_mod"
+	install="$install_mod"
 	for i in firmware modules; do
 		if [ -d "$pkgdir/lib/$i" ]; then
 			rm -rf "$subpkgdir/lib"
@@ -377,6 +388,7 @@ mod() {
 # predefined splitfunc dev
 default_dev() {
 	depends="$pkgname $depends_dev"
+	install="$install_dev"
 	cd "$pkgdir" || return 0
 	for i in usr/include usr/lib/pkgconfig usr/share/aclocal\
 			usr/share/gettext usr/bin/*-config	\