diff --git a/pkgs/build-support/skaware/clean-packaging.nix b/pkgs/build-support/skaware/clean-packaging.nix
index 16bae04b21e2..762fe25c0acf 100644
--- a/pkgs/build-support/skaware/clean-packaging.nix
+++ b/pkgs/build-support/skaware/clean-packaging.nix
@@ -26,11 +26,11 @@ let
     writeScript "common-file-actions.sh" ''
       #!${stdenv.shell}
       set -e
-      DOCDIR="$1"
+      DOCDIR="''${1?commonFileActions: DOCDIR as argv[1] required}"
       shopt -s globstar extglob nullglob
-      ${rmNoise noiseFiles}
       mkdir -p "$DOCDIR"
       ${mvDoc docFiles}
+      ${rmNoise noiseFiles}
     '';
 
   # Shell script to check whether the build directory is empty.
diff --git a/pkgs/tools/misc/fdtools/default.nix b/pkgs/tools/misc/fdtools/default.nix
new file mode 100644
index 000000000000..6e0cb66749f4
--- /dev/null
+++ b/pkgs/tools/misc/fdtools/default.nix
@@ -0,0 +1,78 @@
+{ stdenv, lib, fetchurl, skawarePackages }:
+
+let
+  pname = "fdtools";
+  version = "2020.05.04";
+  sha256 = "0lnafcp4yipi0dl8gh33zjs8wlpz0mim8mwmiz9s49id0b0fmlla";
+
+in stdenv.mkDerivation {
+  inherit pname version;
+
+  src = fetchurl {
+    url = "https://code.dogmap.org/${pname}/releases/${pname}-${version}.tar.bz2";
+    inherit sha256;
+  };
+
+  outputs = [ "bin" "lib" "dev" "doc" "out" ];
+
+  buildInputs = [ skawarePackages.skalibs ];
+
+  configurePhase = ''
+    cd ${pname}-${version}
+    sed -e 's|gcc|$CC|' \
+      conf-compile/defaults/host_link.sh \
+      > conf-compile/host_link.sh
+
+    echo "${skawarePackages.skalibs.lib}/lib/skalibs/sysdeps" \
+      > conf-compile/depend_skalibs_sysdeps
+  '';
+
+  buildPhase = ''
+    bash package/build
+  '';
+
+  installPhase = ''
+    mkdir -p $bin/bin
+    tools=( grabconsole multitee pipecycle recvfd seek0 sendfd setblock setstate statfile vc-get vc-lock vc-switch )
+
+    for t in "''${tools[@]}"; do
+      mv "command/$t" "$bin/bin/$t"
+    done
+
+    mkdir -p $lib/lib
+    mkdir -p $dev/include
+    docdir=$doc/share/doc/${pname}
+    mkdir -p $docdir
+
+    mv library/fdtools.a $lib/lib/fdtools.a
+    mv include/fdtools.h $dev/include/fdtools.h
+
+    ${skawarePackages.cleanPackaging.commonFileActions {
+       noiseFiles = [
+         "conf-compile/**/*"
+         "src/**/*"
+         "src/.**/*"
+         "compile/**/*"
+         "package/{build,check,compile,elsewhere,install,install_commands,own,run,sharing,upgrade,upgrade_version,url_src,url_src_latest,versions}"
+       ];
+       docFiles = [
+         "package/INSTALL"
+         "package/LICENSE"
+         "package/README"
+       ];
+    }} $docdir
+
+    ${skawarePackages.cleanPackaging.checkForRemainingFiles}
+
+    # we don’t use this, but nixpkgs requires it
+    touch $out
+  '';
+
+  meta = {
+    homepage = "https://code.dogmap.org./fdtools/";
+    description = "A set of utilities for working with file descriptors";
+    license = lib.licenses.gpl2;
+    platforms = lib.platforms.all;
+    maintainers = [ lib.maintainers.Profpatsch ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 50e3812a4aa3..6ff526349638 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3365,6 +3365,8 @@ in
 
   fdm = callPackage ../tools/networking/fdm {};
 
+  fdtools = callPackage ../tools/misc/fdtools { };
+
   featherpad = callPackage ../applications/editors/featherpad {};
 
   feedreader = callPackage ../applications/networking/feedreaders/feedreader {};