Use stable nix version to ensure GHC availability in CI.

This commit is contained in:
Kevin Quick 2021-03-25 08:44:19 -07:00
parent 320b966f1d
commit e09e2edffd
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@ -29,7 +29,7 @@ jobs:
submodules: true
- uses: cachix/install-nix-action@v12
with:
nix_path: nixpkgs=channel:nixos-unstable
nix_path: nixpkgs=channel:nixos-20.09
- uses: actions/cache@v2
name: Cache builds
with: