Here's the gitlab-runner configuration I mentioned in the post (can't edit anymore)[1]. With this you benefit of local caching that nix does. What this means is

Here's the gitlab-runner configuration I mentioned in the post (can't edit anymore)[1]. With this you benefit of local caching that nix does. What this means is that if you have a branch and it compiled, and run test. Then as you merge and no source files changed (which happens most of the time), the build on master is instant. [1] https://github.com/NixOS/nixpkgs/blob/ce38fecabe49a76fcd08d03e7562b44b97109aa7/nixos/modules/services/continuous-integration/gitlab-runner.nix#L255-L293 https://github.com/NixOS/nixpkgs/blob/ce38fecabe49a76fcd08d0...