abuild: also install 'depends' with 'abuild deps'

fixes #2270

abuild.in

@@ -1732,10 +1732,15 @@ post_add() {
 }
 
 deps() {
-	local deps i
+	local builddeps i
+	builddeps="$makedepends"
+	for i in $depends; do
+		[ "$pkgname" = "${i%%[<>=]*}" ] && continue
+		subpackages_has ${i%%[<>=]*} || builddeps="$builddeps $i"
+	done
 	$SUDO_APK add $apk_opt_wait --repository "$abuildrepo" \
 		--virtual .makedepends-$pkgname \
-		$makedepends
+		$builddeps
 }
 
 undeps (){