nixos-mailserver/nix/sources.json

{
    "nixpkgs-20.03": {
        "branch": "nixos-20.03",
        "description": "A read-only mirror of NixOS/nixpkgs tracking the released channels. Send issues and PRs to",
        "homepage": "https://github.com/NixOS/nixpkgs",
        "owner": "NixOS",
        "repo": "nixpkgs-channels",
        "rev": "29eddfc36d720dcc4822581175217543b387b1e8",
        "sha256": "1gqv2m7plkladd3va664xyqb962pqs4pizzibvkm1nh0f4rfpxvy",
        "type": "tarball",
        "url": "https://github.com/NixOS/nixpkgs-channels/archive/29eddfc36d720dcc4822581175217543b387b1e8.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    },
    "nixpkgs-unstable": {
        "branch": "nixos-unstable",
        "description": "A read-only mirror of NixOS/nixpkgs tracking the released channels. Send issues and PRs to",
        "homepage": "https://github.com/NixOS/nixpkgs",
        "owner": "NixOS",
        "repo": "nixpkgs-channels",
        "rev": "fce7562cf46727fdaf801b232116bc9ce0512049",
        "sha256": "14rvi69ji61x3z88vbn17rg5vxrnw2wbnanxb7y0qzyqrj7spapx",
        "type": "tarball",
        "url": "https://github.com/NixOS/nixpkgs-channels/archive/fce7562cf46727fdaf801b232116bc9ce0512049.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    }
}