website/content/posts/2023-02-26-my-experience-managing-a-cloud-hosted-server-with-nixos/assets/modified-gitea-service.nix

{ config, lib, pkgs, ... }:

let
  giteaDatabaseUser = "gitea";
in
{
  systemd.services.gitea = {
    # Gitea service module will have to set up certain things first which is
    # why we have to go first.
    preStart = let
      psqlBin = "${lib.getBin config.services.postgresql.package}/bin/psql";
      giteaBin = "${lib.getBin config.services.gitea.package}/bin/gitea";
      giteaAdminUsername = lib.escapeShellArg "foodogsquared";
      in
    lib.mkMerge [
      (lib.mkBefore ''
        # Setting up the appropriate schema for PostgreSQL secure schema usage.
        ${psqlBin} -tAc "SELECT 1 FROM information_schema.schemata WHERE schema_name='${giteaDatabaseUser}';" \
          grep -q 1 || ${psqlBin} -tAc "CREATE SCHEMA IF NOT EXISTS AUTHORIZATION ${giteaDatabaseUser};"
      '')

      (lib.mkAfter ''
        # Setting up the administrator account automated.
        ${giteaBin} admin user list --admin | grep -q ${giteaAdminUsername} \
          || ${giteaBin} admin user create \
            --username ${giteaAdminUsername} --email foodogsquared@${config.networking.domain} \
            --random-password --random-password-length 76 --admin
      '')
    ];
  };
}