From 7b85c8a19f429cb8cd90f969d28b2ee4838123aa Mon Sep 17 00:00:00 2001
From: Francesco Gazzetta <francygazz@gmail.com>
Date: Tue, 2 Oct 2018 16:13:14 +0200
Subject: [PATCH] Test on multiple channels

Closes fgaz/nur-packages-template#1
---
 .travis.yml | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 1aae40f..d04a7c1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,11 +7,22 @@ env:
     - CACHIX_CACHE=
     - NUR_REPO=<YOUR_NUR_REPO_NAME_HERE>
 
+matrix:
+  include:
+    - env: NIX_CHANNEL=https://nixos.org/channels/nixpkgs-unstable
+    - env: NIX_CHANNEL=https://nixos.org/channels/nixos-unstable
+    - env: NIX_CHANNEL=https://nixos.org/channels/nixos-18.03
+  # cachix will be introduced in 18.09, so we just allow a failure for now
+  allow_failures:
+    - env: NIX_CHANNEL=https://nixos.org/channels/nixos-18.03
+
 install:
  - nix --version
- - travis_retry nix-channel --update
+ - if [ -n "${CACHIX_CACHE}" ]; then travis_retry nix-channel --update; fi
  - if [ -n "${CACHIX_CACHE}" ]; then nix-env -i cachix; fi
  - if [ -n "${CACHIX_CACHE}" ]; then cachix use "${CACHIX_CACHE}"; fi
+ - nix-channel --add "${NIX_CHANNEL}" nixpkgs
+ - travis_retry nix-channel --update
 
 script:
  - outs=$(nix-build non-broken.nix) && echo Produced $outs