_inputs:
{ config, pkgs, ... }:
{
  environment = {
    systemPackages = with pkgs; [
      unstable.git-branchless
      unstable.gitoxide
      watchman
    ];
    shellAliases.git = "git-branchless wrap --";
  };

  programs.zsh.interactiveShellInit = ''
    source ${../../dotfiles/git-branchless.zsh}
  '';

  home-manager.sharedModules = [
    {
      programs.git = {
        enable = true;
        package = pkgs.gitAndTools.gitFull;
        userEmail = "minijackson@riseup.net";
        userName = "Minijackson";

        attributes = [
          "*.cc diff=cpp"
          "*.cpp diff=cpp"
          "*.css diff=css"
          "*.ex diff=elixir"
          "*.exs diff=elixir"
          "*.go diff=golang"
          "*.html diff=html"
          "*.java diff=java"
          "*.md diff=markdown"
          "*.php diff=php"
          "*.pl diff=perl"
          "*.py diff=python"
          "*.rs diff=rust"
          "*.tex diff=latex"
        ];

        iniContent =
          let
            deltaCommand = "${pkgs.gitAndTools.delta}/bin/delta";
          in
          {
            init.defaultBranch = "master";

            core = {
              whitespace = "trailing-space,space-before-tab";
              pager = deltaCommand;
              interactive.diffFilter = "${deltaCommand} --color-only";
              untrackedCache = true;
            };

            diff = {
              algorithm = "histogram";
              colormoved = "default";
              colorMovedWS = "allow-indentation-change";
            };

            pull.ff = "only";

            rerere.enable = true;

            merge = {
              conflictStyle = "zdiff3";
              tool = "nvimdiff";
            };
            "mergetool \"nvimdiff\"" = {
              cmd = "nvim -d \"$LOCAL\" \"$MERGED\" \"$REMOTE\"";
            };

            delta = with config.theme.colors; {
              line-numbers = true;
              navigate = true;

              whitespace-error-style = "reverse green";

              minus-style = "normal red";
              minus-non-emph-style = "normal red";
              minus-emph-style = "normal brightred";
              minus-empty-line-marker-style = "normal red";

              plus-style = "reverse green";
              plus-non-emph-style = "reverse green";
              plus-emph-style = "reverse brightgreen";
              plus-empty-line-marker-style = "reverse green";

              line-numbers-minus-style = "brightred";
              line-numbers-zero-style = "brightblack";
              line-numbers-plus-style = "brightgreen";

              file-style = "bright${dominantName}";
              line-numbers-left-style = dominantName;
              line-numbers-right-style = dominantName;
            };
          };
      };
    }
  ];

  # TODO: move common to NixOS' programs.git.config
  home-manager.users.minijackson.programs.git.signing = {
    signByDefault = true;
    key = "minijackson@riseup.net";
  };
}