{

callPackage,

lib,

stdenv,

fetchurl,

nixos,

testers,

versionCheckHook,

hello,

gettext,

gnulib,

}:

stdenv.mkDerivation (finalAttrs: {

pname = "hello";

version = "2.12.3";

__structuredAttrs = true;

src = fetchurl {

url = "mirror://gnu/hello/hello-${finalAttrs.version}.tar.gz";

hash = "sha256-DV9gFUOC/uELEUocNOeF2LH0kgc64tOm97FHaHs2aqA=";

};

patches = lib.optional stdenv.hostPlatform.isCygwin gnulib.patches.memcpy-fix-backport-250512;

# The GNU Hello `configure` script detects how to link libiconv but fails to actually make use of that.

# Unfortunately, this cannot be a patch to `Makefile.am` because `autoreconfHook` causes a gettext

# infrastructure mismatch error when trying to build `hello`.

env = lib.optionalAttrs stdenv.hostPlatform.isDarwin {

NIX_LDFLAGS = "-liconv";

};

buildInputs = lib.optionals stdenv.hostPlatform.isFreeBSD [

gettext

];

doCheck = true;

doInstallCheck = true;

nativeInstallCheckInputs = [

versionCheckHook

];

# Give hello some install checks for testing purpose.

postInstallCheck = ''

stat "''${!outputBin}/bin/${finalAttrs.meta.mainProgram}"

'';

passthru.tests = {

version = testers.testVersion { package = hello; };

};

passthru.tests.run = callPackage ./test.nix { hello = finalAttrs.finalPackage; };

meta = {

description = "Program that produces a familiar, friendly greeting";

longDescription = ''

GNU Hello is a program that prints "Hello, world!" when you run it.

It is fully customizable.

'';

homepage = "https://www.gnu.org/software/hello/manual/";

changelog = "https://git.savannah.gnu.org/cgit/hello.git/plain/NEWS?h=v${finalAttrs.version}";

license = lib.licenses.gpl3Plus;

maintainers = with lib.maintainers; [ stv0g ];

mainProgram = "hello";

platforms = lib.platforms.all;

identifiers.cpeParts.vendor = "gnu";

};

})