# Copyright 2017 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Recipe for building QEMU."""

from recipe_engine.post_process import StatusSuccess
from recipe_engine.recipe_api import Property

DEPS = [
    "fuchsia/archive",
    "fuchsia/cipd_platform",
    "fuchsia/git",
    "fuchsia/goma",
    "fuchsia/macos_sdk",
    "fuchsia/status_check",
    "fuchsia/upload",
    "recipe_engine/cipd",
    "recipe_engine/context",
    "recipe_engine/file",
    "recipe_engine/path",
    "recipe_engine/platform",
    "recipe_engine/properties",
    "recipe_engine/raw_io",
    "recipe_engine/step",
]

PLATFORM_TO_TRIPLE = {
    "linux-amd64": "x86_64-linux-gnu",
    "linux-arm64": "aarch64-linux-gnu",
    "mac-amd64": "x86_64-apple-darwin",
}
PLATFORMS = PLATFORM_TO_TRIPLE.keys()

PROPERTIES = {
    "repository": Property(
        kind=str,
        help="Git repository URL",
        default="https://fuchsia.googlesource.com/third_party/qemu",
    ),
    "branch": Property(kind=str, help="Git branch", default="refs/heads/main"),
    "revision": Property(kind=str, help="Revision", default=None),
    "platform": Property(kind=str, help="CIPD platform for the target", default=None),
    "prod": Property(kind=bool, help="Whether to do production build", default=True),
}


def RunSteps(api, repository, branch, revision, platform, prod):
    api.goma.ensure()

    if not revision:
        revision = api.git.get_remote_branch_head(repository, branch)

    host_platform = api.cipd_platform.name
    target_platform = platform or host_platform

    with api.step.nest("ensure_packages"):
        with api.context(infra_steps=True):
            cipd_dir = api.path["start_dir"].join("cipd")
            pkgs = api.cipd.EnsureFile()
            pkgs.add_package("infra/cmake/${platform}", "version:3.9.2")
            pkgs.add_package("infra/ninja/${platform}", "version:1.8.2")
            pkgs.add_package("fuchsia/third_party/clang/${platform}", "integration")
            if target_platform.startswith("linux"):
                pkgs.add_package(
                    "fuchsia/sysroot/linux-amd64",
                    "git_revision:a96053c799a0f1ad0b7e8ab8199edbfa18adcbb6",
                    "linux-amd64",
                )
                pkgs.add_package(
                    "fuchsia/sysroot/linux-arm64",
                    "git_revision:a96053c799a0f1ad0b7e8ab8199edbfa18adcbb6",
                    "linux-arm64",
                )

            pkgs.add_package(
                "fuchsia/third_party/source/m4", "version:1.4.18", "source/m4"
            )
            pkgs.add_package(
                "fuchsia/third_party/source/autoconf", "version:2.69", "source/autoconf"
            )
            pkgs.add_package(
                "fuchsia/third_party/source/automake", "version:1.16", "source/automake"
            )
            pkgs.add_package(
                "fuchsia/third_party/source/libtool", "version:2.4.6", "source/libtool"
            )
            pkgs.add_package(
                "fuchsia/third_party/source/make", "version:4.2.1", "source/make"
            )
            pkgs.add_package(
                "fuchsia/third_party/source/pkg-config",
                "version:0.29",
                "source/pkg-config",
            )

            pkgs.add_package(
                "fuchsia/third_party/source/ncurses", "version:6.1", "source/ncurses"
            )
            pkgs.add_package(
                "fuchsia/third_party/source/gettext",
                "version:0.19.8.1",
                "source/gettext",
            )
            pkgs.add_package(
                "fuchsia/third_party/source/glib", "version:2.58.2", "source/glib"
            )
            pkgs.add_package(
                "fuchsia/third_party/source/libffi", "version:3.3", "source/libffi"
            )
            pkgs.add_package(
                "fuchsia/third_party/source/pixman", "version:0.36.0", "source/pixman"
            )
            pkgs.add_package(
                "fuchsia/third_party/source/sdl", "version:2.0.12", "source/sdl"
            )
            pkgs.add_package(
                "fuchsia/third_party/source/zlib", "version:1.2.11", "source/zlib"
            )

            api.cipd.ensure(cipd_dir, pkgs)

    pkg_dir = api.path["start_dir"].join("pkgconfig")
    api.file.ensure_directory("create pkg dir", pkg_dir)

    variables = {
        "PKG_CONFIG_SYSROOT_DIR": pkg_dir,
        "PKG_CONFIG_ALLOW_SYSTEM_CFLAGS": 1,
        "PKG_CONFIG_ALLOW_SYSTEM_LIBS": 1,
        "PKG_CONFIG_LIBDIR": ":".join(
            [
                str(pkg_dir.join("share", "pkgconfig")),
                str(pkg_dir.join("lib", "pkgconfig")),
            ]
        ),
    }

    with api.macos_sdk(), api.context(
        env=variables, env_prefixes={"PATH": [pkg_dir.join("bin")]}
    ):
        with api.step.nest("make"):
            build_make(api, cipd_dir, pkg_dir, host_platform, host_platform)

        with api.step.nest("m4"):
            build_m4(api, cipd_dir, pkg_dir, host_platform, host_platform)

        with api.step.nest("autoconf"):
            build_autoconf(api, cipd_dir, pkg_dir, host_platform, host_platform)

        with api.step.nest("automake"):
            build_automake(api, cipd_dir, pkg_dir, host_platform, host_platform)

        with api.step.nest("libtool"):
            build_libtool(api, cipd_dir, pkg_dir, host_platform, host_platform)

        with api.step.nest("pkg-config"):
            build_pkg_config(api, cipd_dir, pkg_dir, host_platform, host_platform)

        if target_platform.startswith("linux"):
            with api.step.nest("sdl"):
                build_sdl(api, cipd_dir, pkg_dir, target_platform, host_platform)

        with api.step.nest("zlib"):
            build_zlib(api, cipd_dir, pkg_dir, target_platform, host_platform)

        with api.step.nest("pixman"):
            build_pixman(api, cipd_dir, pkg_dir, target_platform, host_platform)

        with api.step.nest("libffi"):
            build_libffi(api, cipd_dir, pkg_dir, target_platform, host_platform)

        with api.step.nest("ncurses"):
            build_ncurses(api, cipd_dir, pkg_dir, target_platform, host_platform)

        if target_platform.startswith("mac"):
            with api.step.nest("gettext"):
                build_gettext(api, cipd_dir, pkg_dir, target_platform, host_platform)

        with api.step.nest("glib"):
            build_glib(api, cipd_dir, pkg_dir, target_platform, host_platform)

        with api.step.nest("qemu"):
            build_qemu(api, cipd_dir, target_platform, host_platform, revision, prod)


def platform_sysroot(api, cipd_dir, platform):
    if platform.startswith("linux"):
        return cipd_dir.join(platform)
    elif platform.startswith("mac"):  # pragma: no cover
        # TODO(fxbug.dev/3043): Eventually use our own hermetic sysroot as for Linux.
        step_result = api.step(
            "xcrun",
            ["xcrun", "--sdk", "macosx", "--show-sdk-path"],
            stdout=api.raw_io.output(name="sdk-path", add_output_log=True),
            step_test_data=lambda: api.raw_io.test_api.stream_output(
                "/some/xcode/path"
            ),
        )
        return step_result.stdout.strip()
    assert False, "unsupported platform"  # pragma: no cover
    return None  # pragma: no cover


def environment(api, cipd_dir, platform, host, cflags=(), cxxflags=(), ldflags=()):
    sysroot = ["--sysroot=%s" % platform_sysroot(api, cipd_dir, platform)]
    target = ["--target=%s" % PLATFORM_TO_TRIPLE[platform]] if platform != host else []
    opt = ["-O3"]  # TODO(phosek): also enable ["-flto", "-fwhole-program-vtables"]
    variables = {
        "CC": cipd_dir.join("bin", "clang"),
        "CXX": cipd_dir.join("bin", "clang++"),
        "CFLAGS": " ".join(sysroot + target + opt + list(cflags)),
        "CPPFLAGS": " ".join(sysroot + target + opt + list(cflags)),
        "CXXFLAGS": " ".join(sysroot + target + opt + list(cxxflags)),
        "LDFLAGS": " ".join(sysroot + target + opt + list(ldflags)),
    }
    if platform.startswith("linux"):
        variables.update(
            {
                "AR": cipd_dir.join("bin", "llvm-ar"),
                "RANLIB": cipd_dir.join("bin", "llvm-ranlib"),
                "NM": cipd_dir.join("bin", "llvm-nm"),
                "STRIP": cipd_dir.join("bin", "llvm-strip"),
                "OBJCOPY": cipd_dir.join("bin", "llvm-objcopy"),
            }
        )

    return variables


def configure(
    api,
    cipd_dir,
    src_dir,
    platform,
    host,
    flags=(),
    cflags=(),
    cxxflags=(),
    ldflags=(),
    step_name="configure",
):
    target = PLATFORM_TO_TRIPLE[platform]
    variables = environment(api, cipd_dir, platform, host, cflags, cxxflags, ldflags)
    if platform != host:
        flags.extend(["--build=%s" % PLATFORM_TO_TRIPLE[host], "--host=%s" % target])
    return api.step(
        step_name,
        [src_dir.join("configure")]
        + flags
        + ["%s=%s" % (k, v) for k, v in variables.iteritems()],
    )


def cmake(api, cipd_dir, src_dir, platform, options=None, step_name="cmake"):
    options = options or []
    if platform.startswith("linux"):
        options.extend(
            [
                "-DCMAKE_LINKER=%s" % cipd_dir.join("bin", "ld.lld"),
                "-DCMAKE_NM=%s" % cipd_dir.join("bin", "llvm-nm"),
                "-DCMAKE_OBJCOPY=%s" % cipd_dir.join("bin", "llvm-objcopy"),
                "-DCMAKE_OBJDUMP=%s" % cipd_dir.join("bin", "llvm-objdump"),
                "-DCMAKE_RANLIB=%s" % cipd_dir.join("bin", "llvm-ranlib"),
                "-DCMAKE_STRIP=%s" % cipd_dir.join("bin", "llvm-strip"),
            ]
        )

    target = PLATFORM_TO_TRIPLE[platform]
    return api.step(
        step_name,
        [
            cipd_dir.join("bin", "cmake"),
            "-GNinja",
            "-DCMAKE_MAKE_PROGRAM=%s" % cipd_dir.join("ninja"),
            "-DCMAKE_C_COMPILER=%s" % cipd_dir.join("bin", "clang"),
            "-DCMAKE_C_COMPILER_TARGET=%s" % target,
            "-DCMAKE_CXX_COMPILER=%s" % cipd_dir.join("bin", "clang++"),
            "-DCMAKE_CXX_COMPILER_TARGET=%s" % target,
            "-DCMAKE_SYSROOT=%s" % platform_sysroot(api, cipd_dir, platform),
        ]
        + options
        + [src_dir],
    )


def automake(api, name, cipd_dir, pkg_dir, platform, host):
    src_dir = cipd_dir.join("source", name)
    build_dir = api.path["start_dir"].join(name)
    api.file.ensure_directory(name, build_dir)

    with api.context(cwd=build_dir):
        configure(api, cipd_dir, src_dir, platform, host, ["--prefix=%s" % pkg_dir])
        api.step("build", ["make", "-j%d" % api.goma.jobs])
        api.step("install", ["make", "install"])


def build_make(api, cipd_dir, pkg_dir, platform, host):
    automake(api, "make", cipd_dir, pkg_dir, platform, host)


def build_m4(api, cipd_dir, pkg_dir, platform, host):
    automake(api, "m4", cipd_dir, pkg_dir, platform, host)


def build_autoconf(api, cipd_dir, pkg_dir, platform, host):
    automake(api, "autoconf", cipd_dir, pkg_dir, platform, host)


def build_automake(api, cipd_dir, pkg_dir, platform, host):
    automake(api, "automake", cipd_dir, pkg_dir, platform, host)


def build_libtool(api, cipd_dir, pkg_dir, platform, host):
    automake(api, "libtool", cipd_dir, pkg_dir, platform, host)


def build_pkg_config(api, cipd_dir, pkg_dir, platform, host):
    src_dir = cipd_dir.join("source", "pkg-config")
    build_dir = api.path["start_dir"].join("pkg-config")
    api.file.ensure_directory("pkg-config", build_dir)

    ldflags = ()
    if host.startswith("mac"):
        ldflags = ("-framework CoreFoundation", "-framework CoreServices")

    with api.context(cwd=build_dir):
        configure(
            api,
            cipd_dir,
            src_dir,
            platform,
            host,
            [
                "--prefix=%s" % pkg_dir,
                "--with-internal-glib",
                "--disable-host-tool",
                "--disable-debug",
            ],
            ldflags=ldflags,
        )
        api.step("build", ["make", "-j%d" % api.goma.jobs])
        api.step("install", ["make", "install"])


def build_zlib(api, cipd_dir, pkg_dir, platform, host):
    src_dir = cipd_dir.join("source", "zlib")
    build_dir = api.path["start_dir"].join("zlib")
    api.file.ensure_directory("zlib", build_dir)

    variables = environment(api, cipd_dir, platform, host, cflags=("-fPIC",))
    with api.context(cwd=build_dir, env=variables):
        api.step("configure", [src_dir.join("configure"), "--prefix=", "--static"])
        api.step("build", ["make", "-j%d" % api.goma.jobs])
        api.step("install", ["make", "install", "DESTDIR=%s" % pkg_dir])


def build_pixman(api, cipd_dir, pkg_dir, platform, host):
    src_dir = cipd_dir.join("source", "pixman")
    build_dir = api.path["start_dir"].join("pixman")
    api.file.ensure_directory("pixman", build_dir)

    with api.context(cwd=build_dir):
        configure(
            api,
            cipd_dir,
            src_dir,
            platform,
            host,
            [
                "--disable-dependency-tracking",
                "--disable-gtk",
                "--disable-shared",
                "--disable-silent-rules",
                "--enable-static",
                "--prefix=",
                "--with-pic",
            ],
        )
        api.step("build", ["make", "-j%d" % api.goma.jobs])
        api.step("install", ["make", "install", "DESTDIR=%s" % pkg_dir])


def build_sdl(
    api, cipd_dir, pkg_dir, platform, host
):  # pylint: disable=unused-argument
    # host isn't used, but keep it for symmetry with the other build_ functions.
    src_dir = cipd_dir.join("source", "sdl")
    build_dir = api.path["start_dir"].join("sdl")
    api.file.ensure_directory("sdl", build_dir)

    with api.context(cwd=build_dir):
        cmake(
            api,
            cipd_dir,
            src_dir,
            platform,
            [
                "-DCMAKE_INSTALL_PREFIX=",
                "-DVIDEO_WAYLAND=OFF",
                "-DSDL_SHARED=OFF",
                "-DSDL_STATIC_PIC=ON",
                "-DGCC_ATOMICS=ON",
            ],
        )
        api.step("build", [cipd_dir.join("ninja")])
        with api.context(env={"DESTDIR": pkg_dir}):
            api.step("install", [cipd_dir.join("ninja"), "install"])


def build_libffi(api, cipd_dir, pkg_dir, platform, host):
    src_dir = cipd_dir.join("source", "libffi")
    build_dir = api.path["start_dir"].join("libffi")
    api.file.ensure_directory("libffi", build_dir)

    with api.context(cwd=build_dir):
        configure(
            api,
            cipd_dir,
            src_dir,
            platform,
            host,
            [
                "--disable-debug",
                "--disable-dependency-tracking",
                "--disable-shared",
                "--enable-static",
                "--prefix=",
                "--target=%s" % PLATFORM_TO_TRIPLE[platform],
                "--with-pic",
            ],
        )
        api.step("build", ["make", "-j%d" % api.goma.jobs])
        api.step("install", ["make", "install", "DESTDIR=%s" % pkg_dir])


def build_ncurses(api, cipd_dir, pkg_dir, platform, host):
    src_dir = cipd_dir.join("source", "ncurses")
    build_dir = api.path["start_dir"].join("ncurses")
    api.file.ensure_directory("ncurses", build_dir)

    with api.context(cwd=build_dir):
        configure(
            api,
            cipd_dir,
            src_dir,
            platform,
            host,
            [
                "--disable-debug",
                "--disable-dependency-tracking",
                "--disable-shared",
                "--enable-pc-files",
                "--enable-sigwinch",
                "--enable-widec",
                "--without-gpm",
                "--without-progs",
                "--without-cxx-binding",
                "--with-pic",
            ],
        )
        api.step("build", ["make", "-j%d" % api.goma.jobs])
        api.step("install", ["make", "install", "DESTDIR=%s" % pkg_dir])


def build_gettext(api, cipd_dir, pkg_dir, platform, host):
    src_dir = cipd_dir.join("source", "gettext")
    build_dir = api.path["start_dir"].join("gettext")
    api.file.ensure_directory("gettext", build_dir)

    with api.context(cwd=build_dir):
        configure(
            api,
            cipd_dir,
            src_dir,
            platform,
            host,
            [
                "--disable-dependency-tracking",
                "--disable-silent-rules",
                "--disable-debug",
                "--disable-shared",
                "--disable-java",
                "--disable-csharp",
                "--disable-c++",
                "--disable-openmp",
                "--enable-static",
                "--prefix=",
                "--with-pic",
                "--with-included-gettext",
                "--with-included-glib",
                "--with-included-libcroco",
                "--with-included-libunistring",
                "--without-git",
                "--without-cvs",
                "--without-xz",
            ],
        )
        api.step("build", ["make", "-j%d" % api.goma.jobs])
        api.step("install", ["make", "install", "DESTDIR=%s" % pkg_dir])


def build_glib(api, cipd_dir, pkg_dir, platform, host):
    src_dir = cipd_dir.join("source", "glib")
    build_dir = api.path["start_dir"].join("glib")
    api.file.ensure_directory("glib", build_dir)

    extra_args = []
    if platform != host:
        api.file.write_text(
            "cache",
            build_dir.join("%s.cache" % platform),
            """
glib_cv_long_long_format=ll
glib_cv_stack_grows=no
glib_cv_uscore=no
""",
        )
        extra_args.append("--cache-file=%s.cache" % platform)

    with api.context(cwd=src_dir, env={"NOCONFIGURE": "1"}):
        api.step("autogen", [src_dir.join("autogen.sh")])
    with api.context(cwd=build_dir):
        configure(
            api,
            cipd_dir,
            src_dir,
            platform,
            host,
            [
                "--disable-dependency-tracking",
                "--disable-silent-rules",
                "--disable-dtrace",
                "--disable-libelf",
                "--disable-libmount",
                "--disable-shared",
                "--enable-static",
                "--prefix=",
                "--with-pic",
                "--with-pcre=internal",
            ]
            + extra_args,
            cflags=["-I%s" % pkg_dir.join("include")],
            cxxflags=["-I%s" % pkg_dir.join("include")],
            ldflags=["-L%s" % pkg_dir.join("lib")],
        )
        api.step("build", ["make", "-j%d" % api.goma.jobs])
        api.step("install", ["make", "install", "DESTDIR=%s" % pkg_dir])


def build_qemu(api, cipd_dir, platform, host, revision, prod):
    src_dir = api.path["start_dir"].join("qemu", "src")
    api.file.ensure_directory("qemu/src", src_dir)
    repository = "https://fuchsia.googlesource.com/third_party/qemu"
    revision = api.git.checkout(repository, src_dir, ref=revision, submodules=True)
    build_dir = api.path["start_dir"].join("qemu", "build")
    api.file.ensure_directory("qemu/build", build_dir)
    install_dir = api.path["start_dir"].join("qemu", "install")
    api.file.ensure_directory("qemu/install", install_dir)

    target = PLATFORM_TO_TRIPLE[platform]

    sysroot = ["--sysroot=%s" % platform_sysroot(api, cipd_dir, platform)]
    target = ["--target=%s" % PLATFORM_TO_TRIPLE[platform]] if platform != host else []
    opt = ["-O3"]  # TODO(phosek): also enable ["-flto", "-fwhole-program-vtables"]

    extra_options = {
        "linux": [
            "--cc=%s" % cipd_dir.join("bin", "clang"),
            "--cxx=%s" % cipd_dir.join("bin", "clang++"),
            "--build=%s" % PLATFORM_TO_TRIPLE[host],
            "--host=%s" % target,
            "--extra-cflags=%s" % " ".join(sysroot + opt + target),
            "--extra-cxxflags=%s" % " ".join(sysroot + opt + target),
            # Suppress warning about the unused arguments because QEMU ignores
            # --disable-werror at configure time which triggers an error because
            # -static-libstdc++ is unused when linking C code.
            "--extra-ldflags=%s"
            % " ".join(
                sysroot + target + opt + ["-static-libstdc++ -Qunused-arguments"]
            ),
            "--disable-gtk",
            "--disable-x11",
            "--enable-sdl",
            "--enable-kvm",
        ],
        "mac": [
            "--cc=%s" % cipd_dir.join("bin", "clang"),
            "--cxx=%s" % cipd_dir.join("bin", "clang++"),
            "--enable-cocoa",
            "--extra-cflags=%s" % " ".join(sysroot + target),
            "--extra-cxxflags=%s" % " ".join(sysroot + target),
            "--extra-ldflags=%s"
            % " ".join(
                sysroot + target + ["-nostdlib++ %s" % cipd_dir.join("lib", "libc++.a")]
            ),
        ],
    }[platform.split("-")[0]]

    # NOTE: We don't want to pass --static to configure since we still link libc
    # as a shared library, but we want everything else to use static linking.
    variables = {"QEMU_PKG_CONFIG_FLAGS": "--static"}
    if platform.startswith("linux"):
        variables.update(
            {
                "AR": cipd_dir.join("bin", "llvm-ar"),
                "RANLIB": cipd_dir.join("bin", "llvm-ranlib"),
                "NM": cipd_dir.join("bin", "llvm-nm"),
                "STRIP": cipd_dir.join("bin", "llvm-strip"),
                "OBJCOPY": cipd_dir.join("bin", "llvm-objcopy"),
            }
        )

    with api.context(cwd=build_dir, env=variables):
        api.step(
            "configure qemu",
            [
                src_dir.join("configure"),
                "--disable-attr",
                "--disable-auth-pam",
                "--disable-bochs",
                "--disable-brlapi",
                "--disable-bzip2",
                "--disable-cap-ng",
                "--disable-cloop",
                "--disable-curl",
                "--disable-debug-info",
                "--disable-debug-tcg",
                "--disable-dmg",
                "--disable-docs",
                "--disable-gcrypt",
                "--disable-glusterfs",
                "--disable-gnutls",
                "--disable-guest-agent",
                "--disable-iconv",
                "--disable-libiscsi",
                "--disable-libnfs",
                "--disable-libpmem",
                "--disable-libusb",
                "--disable-libxml2",
                "--disable-linux-aio",
                "--disable-lzo",
                "--disable-nettle",
                "--disable-opengl",
                "--disable-parallels",
                "--disable-plugins",
                "--disable-qcow1",
                "--disable-qed",
                "--disable-qom-cast-debug",
                "--disable-rbd",
                "--disable-rdma",
                "--disable-sdl-image",
                "--disable-seccomp",
                "--disable-sheepdog",
                "--disable-smartcard",
                "--disable-snappy",
                "--disable-spice",
                "--disable-tasn1",
                "--disable-tcg-interpreter",
                "--disable-tcmalloc",
                "--disable-tpm",
                "--disable-usb-redir",
                "--disable-vdi",
                "--disable-vhost-scsi",
                "--disable-vhost-vsock",
                "--disable-virtfs",
                "--disable-vnc-jpeg",
                "--disable-vnc-png",
                "--disable-vnc-sasl",
                "--disable-vte",
                "--disable-vvfat",
                "--disable-werror",
                "--disable-xen",
                "--enable-slirp=git",  # Use slirp built from source, not system one
                "--prefix=",
                "--target-list=aarch64-softmmu,arm-softmmu,riscv64-softmmu,x86_64-softmmu",
                "--without-system-fdt",
            ]
            + extra_options,
        )
        api.step("build", ["make", "-j%d" % api.platform.cpu_count])
        api.step("install", ["make", "install", "DESTDIR=%s" % install_dir])

    qemu_version = api.file.read_text(
        "version", src_dir.join("VERSION"), test_data="2.10.1"
    )
    assert qemu_version, "Cannot determine QEMU version"

    # Upload the installation to CAS.
    digest = api.archive.upload(install_dir, output_property="isolated")
    api.step.active_result.presentation.step_text = digest

    if prod:
        # Upload the installation to CIPD for production builds.
        api.upload.cipd_package(
            "fuchsia/third_party/qemu/" + platform,
            install_dir,
            [api.upload.DirectoryPath(install_dir)],
            {"git_revision": revision},
            repository=repository,
        )


def GenTests(api):
    revision = "75b05681239cb309a23fcb4f8864f177e5aa62da"
    version = "QEMU emulator version 2.8.0 (v2.8.0-15-g28cd8b6577-dirty)"
    for platform in ["linux", "mac"]:
        yield (
            api.status_check.test(platform)
            + api.platform.name(platform)
            + api.git.get_remote_branch_head("git ls-remote", revision)
            + api.properties(platform=platform + "-amd64")
            + api.step_data("qemu.version", api.raw_io.stream_output(version))
            + api.post_process(StatusSuccess)
        )
        yield (
            api.status_check.test(platform + "_new")
            + api.platform.name(platform)
            + api.git.get_remote_branch_head("git ls-remote", revision)
            + api.properties(platform=platform + "-amd64")
            + api.step_data("qemu.version", api.raw_io.stream_output(version))
            + api.step_data(
                "qemu.cipd.cipd search fuchsia/third_party/qemu/"
                + platform
                + "-amd64 "
                + "git_revision:deadbeef",
                api.cipd.example_search("fuchsia/qemu/" + platform + "-amd64 ", []),
            )
            + api.post_process(StatusSuccess)
        )
    yield (
        api.status_check.test("linux_arm64")
        + api.platform.name("linux")
        + api.git.get_remote_branch_head("git ls-remote", revision)
        + api.properties(platform="linux-arm64")
        + api.step_data("qemu.version", api.raw_io.stream_output(version))
        + api.post_process(StatusSuccess)
    )