open-watcom-bin: do an unattended instead of a scripted install

{ lib, stdenvNoCC, fetchurl, qemu, expect, writeScript, writeScriptBin, ncurses, bash, coreutils }:

{ lib, stdenvNoCC, fetchurl, qemu, writeScript, writeScriptBin, ncurses, bash, coreutils, unixtools }:

let

    exec ${wrapLegacyBinary} "$TARGET-unwrapped" "$TARGET"

  '';

  # Do a scripted installation of OpenWatcom with its original installer.

  #

  # If maintaining this expect script turns out to be too much of a

  # hassle, we can switch to just using `unzip' on the installer and

  # the correct file permissions manually.

  performInstall = writeScriptBin "performInstall" ''

    #!${expect}/bin/expect -f

    spawn [lindex $argv 0]

    # Wait for button saying "I agree" with escape sequences.

    expect "gree"

    # Navigate to "I Agree!" and hit enter.

    send "\t\t\n"

    expect "Install Open Watcom"

    # Where do we want to install to.

    send "$env(out)\n"

    expect "will be installed"

    # Select Full Installation, Next

    send "fn"

    expect "Setup will now copy"

    # Next

    send "n"

    expect "completed successfully"

    send "\n"

  '';

in

stdenvNoCC.mkDerivation rec {

  pname = "${passthru.prettyName}-unwrapped";

    sha256 = "1wzkvc6ija0cjj5mcyjng5b7hnnc5axidz030c0jh05pgvi4nj7p";

  };

  nativeBuildInputs = [ wrapInPlace performInstall ];

  nativeBuildInputs = [ wrapInPlace unixtools.script ];

  dontUnpack = true;

  dontConfigure = true;

  '';

  installPhase = ''

    performInstall ./install-bin-unwrapped

    # Command line options to do an unattended install are documented in

    # https://github.com/open-watcom/open-watcom-v2/blob/master/bld/setupgui/setup.txt

    script -c "./install-bin-unwrapped -dDstDir=$out -dFullInstall=1 -i"

    for e in $(find $out/binl -type f -executable); do

      echo "Wrapping $e"