Greg Hellings
d9153ca794
Make Xonsh aliases nicer Organize the ones in my config Enhance the cleanup alias to include home-manager generations Create aliases as Python raw strings
95 lines
2.0 KiB
Nix
95 lines
2.0 KiB
Nix
{ config, pkgs, lib, ... }:
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let
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cfg = config.programs.xonsh;
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in with lib; {
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options = {
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programs.xonsh = {
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enable = mkEnableOption "Enable the xonsh program";
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sessionVariables = mkOption {
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type = types.attrs;
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default = {};
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example = { XONSH_TRACE_SUBPROC = true; };
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description = ''
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Environment variables that will be set for the Xonsh session.
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'';
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};
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aliases = mkOption {
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type = types.attrsOf types.str;
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default = {};
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example = literalExpression ''
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{
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ll = "ls -l";
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la = "ls -a";
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}
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'';
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description = ''
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An attribute set that maps aliases (the top level attribute names in
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this option) to command strings or directly to build outputs.
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'';
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};
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configHeader = mkOption {
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type = types.lines;
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default = "";
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example = literalExpression ''
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import os
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import sys
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'';
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description = "An arbitrary string to put at the top of the config file";
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};
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configFooter = mkOption {
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type = types.lines;
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default = "";
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example = literalExpression ''
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def _some_method(args):
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do_command()
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some_other_thing()
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aliases['some_method'] = _some_method
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'';
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description = "An arbitrary string to put at the end of the config file";
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};
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};
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};
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config =
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let
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shortAliases = concatStringsSep "\n" (
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mapAttrsToList (k: v: "aliases['${k}']=r'${v}'") cfg.aliases
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);
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listToPythonList = let
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listInternals = args:
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concatStringsSep "\n" (map (v: "'${v}'") args);
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in list: "[${listInternals list}]";
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sessionVars = concatStringsSep "\n" (
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mapAttrsToList (k: v:
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if builtins.typeOf v == "string" then
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"\$${k} = '${v}'"
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else if builtins.typeOf v == "list" then
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"\$${k} = ${listToPythonList}"
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else if builtins.typeOf v == "int" then
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"\$${k} = ${toString v}"
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else ""
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) cfg.sessionVariables
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);
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in mkIf cfg.enable {
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home.file.".xonshrc".text = ''
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${cfg.configHeader}
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${sessionVars}
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${shortAliases}
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${cfg.configFooter}
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'';
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};
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}
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