niv/nix/sources.json

{
    "nixpkgs": {
        "branch": "nixos-19.09",
        "description": "Nixpkgs/NixOS branches that track the Nixpkgs/NixOS channels",
        "homepage": "https://github.com/NixOS/nixpkgs",
        "owner": "NixOS",
        "repo": "nixpkgs-channels",
        "rev": "5b0b58685d68b9c9c12132f7b392c9dcdecc5931",
        "sha256": "1fy1ghl79p3w1vg0hnakvrb1lqic4mjrwmylcgqa5bd4ilfrirzf",
        "type": "tarball",
        "url": "https://github.com/NixOS/nixpkgs-channels/archive/5b0b58685d68b9c9c12132f7b392c9dcdecc5931.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    },
    "termtosvg": {
        "branch": "develop",
        "description": "Record terminal sessions as SVG animations",
        "homepage": "https://nbedos.github.io/termtosvg/",
        "owner": "nbedos",
        "repo": "termtosvg",
        "rev": "b97cc0132073111cec37f64c95539e869202ff99",
        "sha256": "1c86622sda98zm3q3dzwmm37i09yca661kn860svl191nqbh2l68",
        "type": "tarball",
        "url": "https://github.com/nbedos/termtosvg/archive/b97cc0132073111cec37f64c95539e869202ff99.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    }
}