{ stdenv
, lib
, fetchurl
, fetchpatch
, gettext
, pkg-config
, meson
, ninja
, gnome
, glib
, gtk3
, gtk4
, gtkVersion ? "3"
, gobject-introspection
, vala
, python3
, gi-docgen
, libxml2
, gnutls
, gperf
, pango
, pcre2
, fribidi
, zlib
, icu
, systemd
, systemdSupport ? stdenv.hostPlatform.isLinux
, nixosTests
}:

stdenv.mkDerivation rec {
  pname = "vte";
  version = "0.70.0";

  outputs = [ "out" "dev" "devdoc" ];

  src = fetchurl {
    url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
    sha256 = "sha256-k+DdShvCp6GmLaZBYKJ0zORWl26hVn2YWR2pbi0mWuY=";
  };

  patches = [
    # VTE needs a small patch to work with musl:
    # https://gitlab.gnome.org/GNOME/vte/issues/72
    # Taken from https://git.alpinelinux.org/aports/tree/community/vte3
    (fetchpatch {
      name = "0001-Add-W_EXITCODE-macro-for-non-glibc-systems.patch";
      url = "https://git.alpinelinux.org/aports/plain/community/vte3/fix-W_EXITCODE.patch?id=4d35c076ce77bfac7655f60c4c3e4c86933ab7dd";
      sha256 = "FkVyhsM0mRUzZmS2Gh172oqwcfXv6PyD6IEgjBhy2uU=";
    })
    # error: implicit declaration of function 'cfmakeraw' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
    (fetchpatch {
      url = "https://gitlab.gnome.org/GNOME/vte/-/commit/1f1f177ff797ac2bb453168951135865cfded900.patch";
      sha256 = "sha256-VRVhq8JAshtcFejJkNUpMilo7tLgcojlEnCTrAtGVa0=";
    })
  ];

  nativeBuildInputs = [
    gettext
    gobject-introspection
    gperf
    libxml2
    meson
    ninja
    pkg-config
    vala
    python3
    gi-docgen
  ];

  buildInputs = [
    fribidi
    gnutls
    pcre2
    zlib
    icu
  ] ++ lib.optionals systemdSupport [
    systemd
  ];

  propagatedBuildInputs = assert (gtkVersion == "3" || gtkVersion == "4"); [
    # Required by vte-2.91.pc.
    (if gtkVersion == "3" then gtk3 else gtk4)
    glib
    pango
  ];

  mesonFlags = [
    "-Ddocs=true"
  ] ++ lib.optionals (!systemdSupport) [
    "-D_systemd=false"
  ] ++ lib.optionals (gtkVersion == "4") [
    "-Dgtk3=false"
    "-Dgtk4=true"
  ] ++ lib.optionals stdenv.isDarwin [
    # -Bsymbolic-functions is not supported on darwin
    "-D_b_symbolic_functions=false"
  ];

  # error: argument unused during compilation: '-pie' [-Werror,-Wunused-command-line-argument]
  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.hostPlatform.isMusl "-Wno-unused-command-line-argument";

  postPatch = ''
    patchShebangs perf/*
    patchShebangs src/box_drawing_generate.sh
    patchShebangs src/parser-seq.py
    patchShebangs src/modes.py
  '';

  postFixup = ''
    # Cannot be in postInstall, otherwise _multioutDocs hook in preFixup will move right back.
    moveToOutput "share/doc" "$devdoc"
  '';

  passthru = {
    updateScript = gnome.updateScript {
      packageName = pname;
      versionPolicy = "odd-unstable";
    };
    tests = {
      inherit (nixosTests.terminal-emulators) gnome-terminal lxterminal mlterm roxterm sakura stupidterm terminator termite xfce4-terminal;
    };
  };

  meta = with lib; {
    homepage = "https://www.gnome.org/";
    description = "A library implementing a terminal emulator widget for GTK";
    longDescription = ''
      VTE is a library (libvte) implementing a terminal emulator widget for
      GTK, and a minimal sample application (vte) using that.  Vte is
      mainly used in gnome-terminal, but can also be used to embed a
      console/terminal in games, editors, IDEs, etc. VTE supports Unicode and
      character set conversion, as well as emulating any terminal known to
      the system's terminfo database.
    '';
    license = licenses.lgpl3Plus;
    maintainers = with maintainers; [ astsmtl antono ] ++ teams.gnome.members;
    platforms = platforms.unix;
  };
}