From dd9acf25c892249a8b3210d742fcf942d59f5d05 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Thu, 5 Jul 2018 09:03:35 -0400
Subject: [PATCH] Only run the older if the newer succeeds

Spreads the initial builds across different platforms more effectively
and avoids potential redundant failing builds on different versions of a
single platform.
---
 .circleci/config.yml | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index a41e0a7e9..c8a038407 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -5,16 +5,28 @@ workflows:
   version: 2
   ci:
     jobs:
-      - "lint"
-      - "debian-8"
+      # Platforms
       - "debian-9"
-      - "ubuntu-16.04"
+      - "debian-8":
+          requires:
+            - "debian-9"
+
       - "ubuntu-18.04"
-      - "centos-7"
-      - "fedora-27"
+      - "ubuntu-16.04":
+          requires:
+            - "ubuntu-18.04"
+
       - "fedora-28"
+      - "fedora-27":
+          requires:
+            - "fedora-28"
+
+      - "centos-7"
+
       - "slackware-14.2"
 
+      # Other assorted tasks and configurations
+      - "lint"
       - "deprecations"
       - "c-locale"