nixos/modules/programs/kubeswitch.nix

   1 {
   2   config,
   3   pkgs,
   4   lib,
   5   ...
   6 }:
   7 let
   8   cfg = config.programs.kubeswitch;
   9 in
  10 {
  11   options = {
  12     programs.kubeswitch = {
  13       enable = lib.mkEnableOption "kubeswitch";
  14
  15       commandName = lib.mkOption {
  16         type = lib.types.str;
  17         default = "kswitch";
  18         description = "The name of the command to use";
  19       };
  20
  21       package = lib.mkOption {
  22         type = lib.types.package;
  23         default = pkgs.kubeswitch;
  24         defaultText = lib.literalExpression "pkgs.kubeswitch";
  25         description = "The package to install for kubeswitch";
  26       };
  27     };
  28   };
  29
  30   config =
  31     let
  32       shell_files = pkgs.runCommand "kubeswitch-shell-files" {} ''
  33         mkdir -p $out/share
  34         for shell in bash zsh; do
  35           ${cfg.package}/bin/switcher init $shell | sed 's/switch(/${cfg.commandName}(/' > $out/share/${cfg.commandName}_init.$shell
  36           ${cfg.package}/bin/switcher --cmd ${cfg.commandName} completion $shell > $out/share/${cfg.commandName}_completion.$shell
  37         done
  38       '';
  39     in
  40     lib.mkIf cfg.enable {
  41       environment.systemPackages = [ cfg.package ];
  42
  43       programs.bash.interactiveShellInit = ''
  44         source ${shell_files}/share/${cfg.commandName}_init.bash
  45         source ${shell_files}/share/${cfg.commandName}_completion.bash
  46       '';
  47       programs.zsh.interactiveShellInit = ''
  48         source ${shell_files}/share/${cfg.commandName}_init.zsh
  49         source ${shell_files}/share/${cfg.commandName}_completion.zsh
  50       '';
  51     };
  52 }