abuild: pull in makedepends by using virtual packages in abuildrepo

Basicly, let apk-tools deal with the dependencies rather than let abuild do it

abuild.in

@@ -407,7 +407,6 @@ update_abuildrepo_index() {
 		todelete="$todelete ${pkg%-[0-9]*.apk}"
 	done
 	if [ -f "$index" ]; then
-		echo "apk index -q -d \"$index\" $todelete || exit 1" >&2
 		apk index -q -d "$index" $todelete || exit 1
 	fi
 	apk index -q "$@" || exit 1
@@ -640,11 +639,14 @@ builddeps() {
 		fi
 	done
 
-	[ -z "$missing" ] && return 0
+	[ -z "$missing" ] && [ -z "$install_deps" ] && [ -z "$recursive" ] \
+		&& return 0
 
-	if [ -n "$install_deps" ] &&  $SUDO apk add $missing; then
-		uninstall_after="$missing $uninstall_after"
-		return 0
+	uninstall_after=".makedepends-$pkgname $uninstall_after"
+	if [ -n "$install_deps" ]; then
+		$SUDO apk add --repo "$abuildrepo" \
+			--virtual .makedepends-$pkgname $deps \
+			&& return 0
 	fi
 	
 	[ -z "$recursive" ] && return 1
@@ -654,10 +656,10 @@ builddeps() {
 		local dir=${i#*:}
 		local pkg=${i%:*}
 		msg "Entering $dir"
-		cd "$dir" || return 1
-		$0 -k -i $pkg || return 1
-		uninstall_after="$pkg $uninstall_after"
+		cd "$dir" && $0 -k -r abuildrepo || return 1
 	done
+	$SUDO apk add --repo "$abuildrepo" \
+		--virtual .makedepends-$pkgname $deps
 }
 
 # replace the md5sums in the APKBUILD
@@ -791,11 +793,13 @@ newaport() {
 }
 
 installdeps() {
-	sudo apk add $depends $makedepends
+	local deps i
+	sudo apk add --repo "$abuildrepo" --virtual .makedepends-$pkgname \
+		$makedepends
 }
 
 uninstalldeps (){
-	sudo apk del $depends $makedepends
+	sudo apk del .makedepends-$pkgname
 }
 	
 usage() {