nixos-config/nix/sources.json

{
    "krops": {
        "branch": "master",
        "description": "Mirror of https://cgit.krebsco.de/krops/about/ (PRs / issues accepted, as can be seen by not having them disabled)",
        "homepage": "",
        "owner": "krebs",
        "repo": "krops",
        "rev": "c207e1f71b85d7ed20f6bc8d91704ceec09ea5ef",
        "sha256": "11rk7i7vy788sxhhngj9951z36y5y6l83szidjglw7czhff9rrbc",
        "type": "tarball",
        "url": "https://github.com/krebs/krops/archive/c207e1f71b85d7ed20f6bc8d91704ceec09ea5ef.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    },
    "nixpkgs": {
        "branch": "nixos-20.09",
        "description": "Nix Packages collection",
        "homepage": "",
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "65c9cc79f1d179713c227bf447fb0dac384cdcda",
        "sha256": "0whxlm098vas4ngq6hm3xa4mdd2yblxcl5x5ny216zajp08yp1wf",
        "type": "tarball",
        "url": "https://github.com/NixOS/nixpkgs/archive/65c9cc79f1d179713c227bf447fb0dac384cdcda.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    },
    "pre-commit-hooks.nix": {
        "branch": "master",
        "description": "Seamless integration of https://pre-commit.com git hooks with Nix.",
        "homepage": "",
        "owner": "cachix",
        "repo": "pre-commit-hooks.nix",
        "rev": "1b11ce0f8c65dd3d8e9520e23c100b76d09a858b",
        "sha256": "0l2v8hsxrvj8w335xxxln49rpd9z5ncv6bl2wnk65zzzd4wa5rkm",
        "type": "tarball",
        "url": "https://github.com/cachix/pre-commit-hooks.nix/archive/1b11ce0f8c65dd3d8e9520e23c100b76d09a858b.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    }
}