toybox: init at 0.8.0

B"H toybox package, supporting static building via enableStatic, and custom configurations via extraConfig and enableMinimal parameters
parseconfig shell function, and misc other parts, are based on busybox package derivation

pkgs/tools/misc/toybox/default.nix

@@ -0,0 +1,62 @@
+{
+  stdenv, lib, fetchFromGitHub, buildPackages,
+  enableStatic ? false,
+  enableMinimal ? false,
+  extraConfig ? ""
+}:
+
+stdenv.mkDerivation rec {
+  name = "${pname}-${version}";
+  pname = "toybox";
+  version = "0.8.0";
+
+  src = fetchFromGitHub {
+    owner = "landley";
+    repo = pname;
+    rev = version;
+    sha256 = "00q6vlc06xbhcjcyqkyp66d1pv7qgwhs00gk4vyixhjqh80giwzl";
+  };
+
+  buildInputs = lib.optionals enableStatic [ stdenv.cc.libc stdenv.cc.libc.static ];
+
+  postPatch = "patchShebangs scripts";
+
+  inherit extraConfig;
+  passAsFile = [ "extraConfig" ];
+
+  configurePhase = ''
+    make ${if enableMinimal then
+      "allnoconfig"
+    else
+      if stdenv.isFreeBSD then
+        "freebsd_defconfig"
+      else
+        if stdenv.isDarwin then
+          "macos_defconfig"
+        else
+          "defconfig"
+    }
+
+    cat $extraConfigPath .config > .config-
+    mv .config- .config
+
+    make oldconfig
+  '';
+
+  makeFlags = [ "PREFIX=$(out)" ] ++ lib.optional enableStatic "LDFLAGS=--static";
+
+  # tests currently (as of 0.8.0) get stuck in an infinite loop...
+  # ...this is fixed in latest git, so doCheck can likely be enabled for next release
+  # see https://github.com/landley/toybox/commit/b928ec480cd73fd83511c0f5ca786d1b9f3167c3
+  #doCheck = true;
+  checkTarget = "tests";
+
+  meta = with stdenv.lib; {
+    description = "Lightweight implementation of some Unix command line utilities";
+    homepage = https://landley.net/toybox/;
+    license = licenses.bsd0;
+    platforms = with platforms; linux ++ darwin ++ freebsd;
+    maintainers = with maintainers; [ hhm ];
+    priority = 10;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -5862,6 +5862,8 @@ in
 
   toxvpn = callPackage ../tools/networking/toxvpn { };
 
+  toybox = callPackage ../tools/misc/toybox { };
+
   tpmmanager = callPackage ../applications/misc/tpmmanager { };
 
   tpm-quote-tools = callPackage ../tools/security/tpm-quote-tools { };