ci: fix Travis CI builds

* run the ./build after setting the NIX_PATH. Previously the images
  were always generate with the system channel. Oops!
* pin the outer shell version to nixos-19.09. skopeo broke in unstable.
  also we don't need to force the system here, technically this could
  run on macOS.
This commit is contained in:
zimbatm 2020-02-09 16:23:27 +01:00
parent e58ed5052b
commit 6597ff1349
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3 changed files with 15 additions and 10 deletions

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@ -1,4 +1,8 @@
with import ./pkgs.nix;
let
nixpkgs = builtins.fetchTarball "channel:nixos-19.09";
pkgs = import nixpkgs { config = {}; overlays = []; };
in
with pkgs;
mkShell {
buildInputs = [
jq