1  { lib
  2  , config
  3  , ...
  4  }:
  5  
  6  
  7  let
  8    inherit (config) symbols;
  9    inherit (config.lib) mkCmdGroup;
 10  in
 11  {
 12    perSystem = { pkgs, config, ... }:
 13      let
 14        NixCallCmdGroup = mkCmdGroup "NixCall" [
 15          {
 16            name = "up";
 17            help = "Update nix flake";
 18            command = "nix flake update";
 19          }
 20          {
 21            name = "upp";
 22            help = "Update specific input";
 23            command = "nix flake update $1";
 24          }
 25          {
 26            name = "repl";
 27            help = "Start nix repl with nixpkgs";
 28            command = "nix repl -f flake:nixpkgs";
 29          }
 30          {
 31            name = "gc";
 32            help = "Garbage collect all unused nix store entries";
 33            command = ''
 34              if [ "$EUID" -ne 0 ]
 35                then echo -e "\e[33mwarnning: run as root\e[0m" >&2
 36                sudo -H nix store gc --debug
 37                sudo -H nix-collect-garbage --delete-old
 38              fi
 39  
 40              nix store gc --debug
 41              nix-collect-garbage --delete-old
 42            '';
 43          }
 44          {
 45            # name = "nfmt";
 46            # help = "Format the current flake";
 47            # command = "nix fmt";
 48            package = config.treefmt.build.wrapper;
 49          }
 50          {
 51            name = "rebuild";
 52            help = "Rebuild system to contain a specified system configuration output";
 53            command = builtins.readFile ../../scripts/rebuild.zuo;
 54          }
 55        ];
 56        MiscCmdGroup = mkCmdGroup "Misc" [
 57          {
 58            name = "dr";
 59            help = "Direnv reload";
 60            command = "direnv reload";
 61          }
 62          {
 63            name = "gitgc";
 64            help = "Garbage collect git store";
 65            command = ''
 66              git reflog expire --expire-unreachable=now --all
 67              git gc --prune=now
 68            '';
 69          }
 70          {
 71            name = "lspath";
 72            help = "list $PATH line by line";
 73            command = "printenv PATH | tr ':' '\n'";
 74          }
 75          {
 76            name = "batype";
 77            help = "Bat content of command";
 78            command = ''
 79              bat $(type -P $1) "''${@:2}"
 80            '';
 81          }
 82          {
 83            name = "machines";
 84            help = "List all of machines";
 85            command =
 86              let
 87                inherit (symbols) machines people;
 88  
 89                mapper = name: opt: ''
 90                  echo -n "- ${name}  "
 91  
 92                  if (ssh -o ConnectTimeout=5 -o ConnectionAttempts=2 -q -p ${toString opt.port} "${people.myself}@${opt.host}" "exit")
 93                  then
 94                    echo -e "\t\e[0;32m✅ running\e[0m"
 95                  else
 96                    echo -e "\t\e[0;31m❌ down\e[0m"
 97                  fi
 98                '';
 99              in
100              lib.concatLines (lib.mapAttrsToList mapper machines);
101          }
102        ];
103      in
104      {
105        devshells.default = {
106          commands = NixCallCmdGroup ++ MiscCmdGroup;
107          packages = with pkgs; [ sops ];
108        };
109      };
110  }