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# HTTP Git hosting
# Copyright (C) 2023-2024  Nguyễn Gia Phong
#
# This file is part of loang configuration.
#
# Loang configuration is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Loang configuration is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with loang configuration.  If not, see <https://www.gnu.org/licenses/>.

{ config, lib, pkgs, ... }:
let
  inherit (config.networking) domain;
  cgit = pkgs.cgit-pink;
  css = builtins.readFile "${cgit}/cgit/cgit.css" + ''

    div#cgit {
        font-size: initial;
    }
  '';
  httpsClone = "https://trong.${domain}/$CGIT_REPO_URL";
  scanPath = "/var/lib/git";
  sshClone = "ssh://${domain}:2211${scanPath}/$CGIT_REPO_URL";
in {
  services = {
    cgit.trong = {
      enable = true;
      nginx.virtualHost = "trong.${domain}";
      package = cgit;
      scanPath = scanPath;
      settings = {
        about-filter = "${cgit}/lib/cgit/filters/about-formatting.sh";
        source-filter = "${cgit}/lib/cgit/filters/syntax-highlighting.py";
        css = "/style.css";

        clone-url = "${httpsClone} ${sshClone}";
        enable-blame = true;
        enable-git-config = true;
        enable-index-links = true;
        enable-index-owner = false;
        readme = ":README.md";
        snapshots = "tar.gz";
      };
    };

    nginx.virtualHosts."${config.services.cgit.trong.nginx.virtualHost}" = {
      enableACME = true;
      forceSSL = true;
      locations."= /style.css".alias = builtins.toFile "style.css" css;
    };
  };
}