92 lines
2.2 KiB
Nix
92 lines
2.2 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.programs.readline;
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mkSetVariableStr = n: v:
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let
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mkValueStr = v:
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if v == true then
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"on"
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else if v == false then
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"off"
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else if isInt v then
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toString v
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else if isString v then
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v
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else
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abort ("values ${toPretty v} is of unsupported type");
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in "set ${n} ${mkValueStr v}";
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mkBindingStr = k: v:
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let
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isKeynameNotKeyseq = k:
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builtins.elem (builtins.head (lib.splitString "-" (toLower k))) [
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"control"
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"meta"
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];
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in if isKeynameNotKeyseq k then "${k}: ${v}" else ''"${k}": ${v}'';
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in {
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options.programs.readline = {
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enable = mkEnableOption "readline";
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bindings = mkOption {
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default = { };
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type = types.attrsOf types.str;
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example = literalExpression ''
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{ "\\C-h" = "backward-kill-word"; }
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'';
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description = "Readline bindings.";
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};
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variables = mkOption {
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type = with types; attrsOf (either str (either int bool));
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default = { };
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example = { expand-tilde = true; };
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description = ''
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Readline customization variable assignments.
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'';
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};
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includeSystemConfig = mkOption {
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type = types.bool;
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default = true;
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description = "Whether to include the system-wide configuration.";
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Configuration lines appended unchanged to the end of the
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{file}`~/.inputrc` file.
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'';
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};
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};
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config = mkIf cfg.enable (let
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finalConfig = let
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configStr = concatStringsSep "\n"
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(optional cfg.includeSystemConfig "$include /etc/inputrc"
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++ mapAttrsToList mkSetVariableStr cfg.variables
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++ mapAttrsToList mkBindingStr cfg.bindings);
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in ''
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# Generated by Home Manager.
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${configStr}
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${cfg.extraConfig}
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'';
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in mkMerge [
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(mkIf (!config.home.preferXdgDirectories) {
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home.file.".inputrc".text = finalConfig;
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})
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(mkIf config.home.preferXdgDirectories {
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xdg.configFile.inputrc.text = finalConfig;
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home.sessionVariables.INPUTRC = "${config.xdg.configHome}/inputrc";
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})
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]);
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}
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