{ stdenv, lib, callPackage, fetchurl, fetchpatch, nixosTests, firefoxCommon }:

rec {
  firefox = firefoxCommon rec {
    pname = "firefox";
    version = "92.0.1";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
      sha512 = "53361c231a4ac93a1808c9ccb29893d85b5e516fe939a770aac7f178abb4f43cbe3571097e5c5bf91b11fd95fc62b61f2aa215a45048357bfc9dad9eabdee9ef";
    };

    meta = {
      description = "A web browser built from Firefox source tree";
      homepage = "http://www.mozilla.com/en-US/firefox/";
      maintainers = with lib.maintainers; [ eelco lovesegfault hexa ];
      platforms = lib.platforms.unix;
      badPlatforms = lib.platforms.darwin;
      broken = stdenv.buildPlatform.is32bit; # since Firefox 60, build on 32-bit platforms fails with "out of memory".
                                             # not in `badPlatforms` because cross-compilation on 64-bit machine might work.
      maxSilent = 14400; # 4h, double the default of 7200s (c.f. #129212, #129115)
      license = lib.licenses.mpl20;
    };
    tests = [ nixosTests.firefox ];
    updateScript = callPackage ./update.nix {
      attrPath = "firefox-unwrapped";
    };
  };

  firefox-esr-91 = firefoxCommon rec {
    pname = "firefox-esr";
    version = "91.1.0esr";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
      sha512 = "dad0249eb2ce66eb90ff5daf0dfb63105a19790dd45661d977f7cc889644e86b33b9b0c472f46d4032ae2e4fe02c2cf69d552156fb0ad4cf77a15b3542556ed3";
    };

    meta = {
      description = "A web browser built from Firefox Extended Support Release source tree";
      homepage = "http://www.mozilla.com/en-US/firefox/";
      maintainers = with lib.maintainers; [ hexa ];
      platforms = lib.platforms.unix;
      badPlatforms = lib.platforms.darwin;
      broken = stdenv.buildPlatform.is32bit; # since Firefox 60, build on 32-bit platforms fails with "out of memory".
                                             # not in `badPlatforms` because cross-compilation on 64-bit machine might work.
      license = lib.licenses.mpl20;
    };
    tests = [ nixosTests.firefox-esr-91 ];
    updateScript = callPackage ./update.nix {
      attrPath = "firefox-esr-91-unwrapped";
      versionSuffix = "esr";
    };
  };

  firefox-esr-78 = firefoxCommon rec {
    pname = "firefox-esr";
    version = "78.14.0esr";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
      sha512 = "5d5e4b1197f87b458a8ab14a62701fa0f3071e9facbb4fba71a64ef69abf31edbb4c5efa6c20198de573216543b5289270b5929c6e917f01bb165ce8c139c1ac";
    };

    meta = {
      description = "A web browser built from Firefox Extended Support Release source tree";
      homepage = "http://www.mozilla.com/en-US/firefox/";
      maintainers = with lib.maintainers; [ eelco hexa ];
      platforms = lib.platforms.unix;
      badPlatforms = lib.platforms.darwin;
      broken = stdenv.buildPlatform.is32bit; # since Firefox 60, build on 32-bit platforms fails with "out of memory".
                                             # not in `badPlatforms` because cross-compilation on 64-bit machine might work.
      license = lib.licenses.mpl20;
    };
    tests = [ nixosTests.firefox-esr-78 ];
    updateScript = callPackage ./update.nix {
      attrPath = "firefox-esr-78-unwrapped";
      versionSuffix = "esr";
    };
  };

  firefox-beta = (firefoxCommon rec {
    pname = "firefox";
    ffversion = "83.0b10";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${ffversion}/source/firefox-${ffversion}.source.tar.xz";
      sha512 = "1div55x8c9qw8ck7njpf1c9kl1l0hi6fn8gnrj2irbiwhvl5cfxqp84sn7yq9saj46wzicxmczn32w3a1vs5xzjfp454zggg8wllhcx";
    };

    patches = [
      ./no-buildconfig-ffx76.patch
    ];

    meta = firefox.meta // {
      description = "A web browser built from Firefox Beta source tree";
    };
    updateScript = callPackage ./update.nix {
      attrPath = "firefox-beta";
      versionKey = "ffversion";
    };
  }).override { pipewireSupport = false; };

}