Set Git settings in Home Manager

To enable git:

nix

{
    programs.git.enable = true;
}

To set config options:

nix

{
    programs.git = {
        enable = true;

        extraConfig = {
            init.defaultBranch = "main";
        };
    };
}

There are also options for diff viewers:

nix

{
    programs.git = {
        delta.enable = false;
        difftastic.enable = false;
        diff-so-fancy.enable = false;
    };
}

Set Git settings in Home Manager ​