nix-matrix-yggdrasil

⚠️ *NOTE: This repo is not affiliated to Matrix nor Yggdrasil in any way.

I just made this to be able to run dendrite-demo-yggdrasil easily on my computers.

Install

Using the cachix binary cache:

nix-env -if https://github.com/bbigras/nix-matrix-yggdrasil/tarball/master --substituters https://nix-matrix-yggdrasil.cachix.org --trusted-public-keys nix-matrix-yggdrasil.cachix.org-1:zxDWWJFEiOxpvKHP8qoi2HS4CtHxUPPQtoWz9D66m9g=

on Android (with nix-on-droid)

nix-on-droid is a termux fork to use Nix on Android.

Note that quite a bit of stuff will need to be downloaded and built since I can't build for aarch64 with github actions.

It doesn't seem possible to create an account with RiotX so you'll have to use something else like regular Riot or riot-web maybe.

nix-env -if https://github.com/bbigras/nix-matrix-yggdrasil/tarball/master

Run

Normally

Once installed check dendrite-demo-yggdrasil.

As a systemd service with home-manager and niv

• home-manager: it's like Nix (to install stuff) but at the user level instead of system-wide.
• niv: "Painless dependencies for Nix projects". To pin dependencies' revisions.

# use the cachix cache (optional)
cachix use nix-matrix-yggdrasil

# add the repo
niv add bbigras/nix-matrix-yggdrasil 

then in home.nix I use the following. Note that ../../../nix is a relative path to the nix directory generated by niv.

let
  nix-matrix-yggdrasil_src = (import ../../../nix).nix-matrix-yggdrasil;
  nix-matrix-yggdrasil = import nix-matrix-yggdrasil_src {};
in
{
# [...]
  systemd.user.services.matrix-yggdrasil = {
    Unit = {
      Description = "matrix-yggdrasil";
    };

    Install = {
      WantedBy = [ "default.target" ];
    };

    Service = {
      ExecStart = "${nix-matrix-yggdrasil}/bin/dendrite-demo-yggdrasil -peer <insert one peer here>";
      WorkingDirectory = "/home/bbigras/matrix-p2p";
      Restart = "on-failure";
      PrivateTmp = true;
      ProtectSystem = "full";
      Nice = 10;
    };
  };
# [...]
}

Contact

I'm bbigras in #p2p:matrix.org