{ lib, pkgs, ... }:

let
  mkCfg = lib.generators.toINI { };
in
{
  sane.programs.git.fs.".config/git/config".symlink.text = mkCfg {
    # top-level options documented:
    # - <https://git-scm.com/docs/git-config#_variables>

    user.name = "Colin";
    user.email = "colin@uninsane.org";

    alias.br      = "branch";
    alias.co      = "checkout";
    alias.cp      = "cherry-pick";
    alias.d       = "difftool";
    alias.dif     = "diff";  # common typo
    alias.difsum  = "diff --compact-summary";  #< show only the list of files which changed, not contents
    alias.rb      = "rebase";
    alias.st      = "status";
    alias.stat    = "status";

    # difftastic docs:
    # - <https://difftastic.wilfred.me.uk/git.html>
    diff.tool = "difftastic";
    difftool.prompt = false;
    "difftool \"difftastic\"".cmd = ''${pkgs.difftastic}/bin/difft "$LOCAL" "$REMOTE"'';
    # now run `git difftool` to use difftastic git

    # render dates as YYYY-MM-DD HH:MM:SS +TZ
    log.date = "iso";

    sendemail.annotate = "yes";
    sendemail.confirm = "always";

    stash.showPatch = true;
  };
}