gistfile1.txt

  mkSafeScript = { name, script, tools }:
    let
      as-written = pkgs.writeScript "${name}-as-written" ''
        #!/usr/bin/env bash
        ${script}
      '';
      shellchecked-as-written = pkgs.runCommand "${name}-as-writtenshellcheck" {} ''
        cp  ${as-written} ./script
        ${pkgs.shellcheck}/bin/shellcheck ./script
        mkdir $out
        cp ./script $out/script
      '';
      resholved = buildResholvedPackage {
        pname = name;
        version = "0.0.0";
        src = shellchecked-as-written;
        scripts = [ "script" ];
        inputs = tools;
        installPhase = ''
          ${pkgs.shellcheck}/bin/shellcheck ./script
          mkdir -p $out/bin
          mv ./script $out/bin/script
        '';
      };
      script-only = pkgs.runCommand name {} ''
        cp ${resholved}/bin/script $out
        chmod +x $out
      '';
      result = script-only;
    in
      result;







    tools = with pkgs; [
      findutils
      gnugrep
      coreutils
      utillinux
    ];
    script = ''
      mount \
        | grep /mnt \
        | cut -d' ' -f3 \
        | tac \
        | xargs -n1 umount
      find /dev/disk/by-path -mindepth 1 -not -name '*-part*' -print0 \
        | xargs -0 -n1 wipefs -af
    '';
 
 
 
 
 
 and if I take one of those tools out of that list
10:30
  mount \
  ^~~~~
/build/erase-disks-as-writtenshellcheck/script:2: Can't resolve command 'mount' to a known function or executable
builder for '/nix/store/iy8i68sxcd7aaiavi62dc8x7zbs9frb0-erase-disks-0.0.0.drv' failed with exit code 3




#!/nix/store/81wybawvkr95c7j8gj5ab3y740mq1fli-bash-4.4-p23/bin/bash
set -x
/nix/store/f5sg1v7n2as78f09lfx20qjbbyk9bmml-util-linux-2.35.1-bin/bin/mount \
  | /nix/store/hi5655s7r4p82blynf5s0xzavjw36mgn-gnugrep-3.4/bin/grep /mnt \
  | /nix/store/3qgzqqamhnwm178amyb46pdrzx2nakl5-coreutils-8.31/bin/cut -d' ' -f3 \
  | /nix/store/3qgzqqamhnwm178amyb46pdrzx2nakl5-coreutils-8.31/bin/tac \
  | /nix/store/hd2bn6gccjdwl1diikqvjjgvkz94rgk7-findutils-4.7.0/bin/xargs -n1 umount
/nix/store/hd2bn6gccjdwl1diikqvjjgvkz94rgk7-findutils-4.7.0/bin/find /dev/disk/by-path -mindepth 1 -not -name '*-part*' -print0 \
  | /nix/store/hd2bn6gccjdwl1diikqvjjgvkz94rgk7-findutils-4.7.0/bin/xargs -0 -n1 wipefs -af