home-manager/modules/programs/readline.nix
2020-02-02 01:20:05 +01:00

78 lines
1.8 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.readline;
mkSetVariableStr = n: v:
let
mkValueStr = v:
if v == true then
"on"
else if v == false then
"off"
else if isInt v then
toString v
else if isString v then
v
else
abort ("values ${toPretty v} is of unsupported type");
in "set ${n} ${mkValueStr v}";
mkBindingStr = k: v: ''"${k}": ${v}'';
in {
options.programs.readline = {
enable = mkEnableOption "readline";
bindings = mkOption {
default = { };
type = types.attrsOf types.str;
example = literalExample ''
{ "\\C-h" = "backward-kill-word"; }
'';
description = "Readline bindings.";
};
variables = mkOption {
type = with types; attrsOf (either str (either int bool));
default = { };
example = { expand-tilde = true; };
description = ''
Readline customization variable assignments.
'';
};
includeSystemConfig = mkOption {
type = types.bool;
default = true;
description = "Whether to include the system-wide configuration.";
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = ''
Configuration lines appended unchanged to the end of the
<filename>~/.inputrc</filename> file.
'';
};
};
config = mkIf cfg.enable {
home.file.".inputrc".text = let
configStr = concatStringsSep "\n"
(optional cfg.includeSystemConfig "$include /etc/inputrc"
++ mapAttrsToList mkSetVariableStr cfg.variables
++ mapAttrsToList mkBindingStr cfg.bindings);
in ''
# Generated by Home Manager.
${configStr}
${cfg.extraConfig}
'';
};
}