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

rec {
  firefox = buildMozillaMach rec {
    pname = "firefox";
    version = "103.0.1";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
      sha512 = "cb487e1d5d602e6b07093b5e722c4e70b9bf39f42c13c25642f263f90f9d3940d02e6fdbab9e8f41b66a50f81d70300acf81c222f08a26eed3ae55777fdc6303";
    };

    meta = {
      description = "A web browser built from Firefox source tree";
      homepage = "http://www.mozilla.com/en-US/firefox/";
      maintainers = with lib.maintainers; [ 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-102 = buildMozillaMach rec {
    pname = "firefox-esr-102";
    version = "102.1.0esr";
    applicationName = "Mozilla Firefox ESR";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
      sha512 = "2505b87ce4115445568eb6b7d8af41678bd787fd07f3f79e9f0a22d90cdf752ae5d4371856cf9c56e2d9da7d5b7c3939dc2aab5753fcc017398e7d65260f6f03";
    };

    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-102 ];
    updateScript = callPackage ./update.nix {
      attrPath = "firefox-esr-102-unwrapped";
      versionPrefix = "102";
      versionSuffix = "esr";
    };
  };

  firefox-esr-91 = buildMozillaMach rec {
    pname = "firefox-esr-91";
    version = "91.12.0esr";
    applicationName = "Mozilla Firefox ESR";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
      sha512 = "323fb752488b45872b40f0b0ee1d8c1dffa16874dbff2afde19a54286c824ef48177233e029faeafa5946184e71c31c6bc5ba7ec17a571e21af64fc5f7334042";
    };

    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";
      versionPrefix = "91";
      versionSuffix = "esr";
    };
  };
}