From 96822983ed6ce9bad76e1d72e38a7ea21de5f689 Mon Sep 17 00:00:00 2001
From: Ed Morley <501702+edmorley@users.noreply.github.com>
Date: Mon, 19 Oct 2020 20:48:34 +0100
Subject: [PATCH] Add Heroku-20 to deploy-runtimes default stacks list (#1104)

Now `make deploy-runtimes` will build binaries for Heroku-20 by default
too, without the need to pass it in via an explicit `STACKS=...`list.

Closes @W-8233698@.

[skip changelog]
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 4129c85..b1c349e 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 .PHONY: check test builder-image buildenv deploy-runtimes tools
 
 STACK ?= heroku-18
-STACKS ?= cedar-14 heroku-16 heroku-18
+STACKS ?= cedar-14 heroku-16 heroku-18 heroku-20
 TEST_CMD ?= test/run-versions && test/run-features && test/run-deps
 ENV_FILE ?= builds/dockerenv.default
 BUILDER_IMAGE_PREFIX := heroku-python-build