From df5fbccecea56d40f97f2c23d913bf911c453087 Mon Sep 17 00:00:00 2001
From: Paul Bonaud <paul.bonaud@fretlink.com>
Date: Mon, 25 Nov 2019 15:05:51 +0100
Subject: ci: fix nix version and nix channel version

In order to avoid having bad surprises with automatic updates let's
fix the nix channel version. For now the default travis behavior is to
use `nixpkgs-unstable` (see
https://docs.travis-ci.com/user/languages/nix#overview).
---
 .travis.yml | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 4f5d09c..22e80b3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,12 @@
 ---
-language: nix
-
 sudo: false
+language: nix
+nix: 2.2.1
+env:
+  - NIX_PATH=nixpkgs=channel:nixos-19.09
 
 install:
-  - nix-env -i python2.7-ansible python2.7-ansible-lint ShellCheck-0.7.0
+  - nix-env -iA pkgs.python37Packages.ansible-lint pkgs.python37Packages.ansible pkgs.shellcheck -f '<nixpkgs>'
   - nix-env -if ./dhall-1.26.1.nix
 
   # Check ansible version
-- 
cgit v1.2.3