From ea430a68d0f042ec4483642c159d73574967c181 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Domen=20Ko=C5=BEar?= <domen@dev.si>
Date: Wed, 6 Mar 2019 10:57:10 +0000
Subject: [PATCH] .travis.yaml: change how cachix is installed

Sadly nixpkgs haskell set is not stable and there's little
I can do to improve that, so official way to install cachix is via
known nixpkgs commit as above
---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 91e4b5b..66ece26 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ matrix:
 install:
  - nix --version
  - if [ -n "${CACHIX_CACHE}" ]; then travis_retry nix-channel --update; fi
- - if [ -n "${CACHIX_CACHE}" ]; then nix-env -i cachix; fi
+ - if [ -n "${CACHIX_CACHE}" ]; then nix-env -iA cachix -f https://cachix.org/api/v1/install; fi
  - if [ -n "${CACHIX_CACHE}" ]; then cachix use "${CACHIX_CACHE}"; fi
  - nix-channel --add "${NIX_CHANNEL}" nixpkgs
  - travis_retry nix-channel --update