nixpkgs/nixos/modules/programs/nano.nix
uoleg 8ca0687b97 nixos/nano: refactor nanorc creation
The default syntax highlighting rules are included at the top of the nanorc file to allow overriding.
2023-03-10 15:13:58 +03:00

52 lines
1.2 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.programs.nano;
LF = "\n";
in
{
###### interface
options = {
programs.nano = {
nanorc = lib.mkOption {
type = lib.types.lines;
default = "";
description = lib.mdDoc ''
The system-wide nano configuration.
See {manpage}`nanorc(5)`.
'';
example = ''
set nowrap
set tabstospaces
set tabsize 2
'';
};
syntaxHighlight = lib.mkOption {
type = lib.types.bool;
default = true;
description = lib.mdDoc "Whether to enable syntax highlight for various languages.";
};
};
};
###### implementation
config = lib.mkIf (cfg.nanorc != "" || cfg.syntaxHighlight) {
environment.etc.nanorc.text = lib.concatStringsSep LF (
( lib.optionals cfg.syntaxHighlight [
"# The line below is added because value of programs.nano.syntaxHighlight is set to true"
''include "${pkgs.nano}/share/nano/*.nanorc"''
""
])
++ ( lib.optionals (cfg.nanorc != "") [
"# The lines below have been set from value of programs.nano.nanorc"
cfg.nanorc
])
);
};
}