116 lines
4.2 KiB
Python
Executable File
116 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2019 Google LLC.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""
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update_fuchsia_sdk
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Downloads both the Fuchsia SDK and Fuchsia-compatible clang
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zip archives from chrome infra (CIPD) and extracts them to
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the arg-provide |sdk_dir| and |clang_dir| respectively. This
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provides the complete toolchain required to build Fuchsia binaries
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from the Fuchsia SDK.
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"""
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import argparse
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import errno
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import logging
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import os
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import platform
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import shutil
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import subprocess
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import tempfile
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def MessageExit(message):
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logging.error(message)
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sys.exit(1)
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# Verify that "cipd" tool is readily available.
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def CipdLives():
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err_msg = "Cipd not found, please install. See: " + \
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"https://commondatastorage.googleapis.com/chrome-infra-docs/flat" + \
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"/depot_tools/docs/html/depot_tools_tutorial.html#_setting_up"
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try:
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subprocess.call(["cipd", "--version"])
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except OSError as e:
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if e.errno == errno.ENOENT:
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MessageExit(err_msg)
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else:
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MessageExit("cipd command execution failed.")
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# Download and unzip CIPD package archive.
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def DownloadAndUnzip(pkg_name, version, cipd_cache_dir, output_dir):
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pkg_suffix = pkg_name.replace('/', '-') + ".zip"
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zip_file = tempfile.NamedTemporaryFile(suffix=pkg_suffix, delete=False)
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cipd_cmd = "cipd pkg-fetch " + pkg_name + " -version \"" + version + "\" -out " + \
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zip_file.name + " -cache-dir " + cipd_cache_dir
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unzip_cmd = "unzip -q " + zip_file.name + " -d " + output_dir
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os.system(cipd_cmd)
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os.system(unzip_cmd)
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def Main():
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CipdLives()
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parser = argparse.ArgumentParser()
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parser.add_argument("-sdk_dir", type=str,
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help="Destination directory for the fuchsia SDK.")
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parser.add_argument("-clang_dir", type=str,
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help="Destination directory for the fuchsia toolchain.")
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parser.add_argument("-overwrite_dirs", type=bool, default=False,
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help="REMOVES existing sdk and clang dirs and makes new ones. When false " +
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" the unzip command issue will require file overwrite confirmation.")
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parser.add_argument("-cipd_cache_dir", type=str, default="/tmp", required=False,
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help="Cache directory for CIPD downloads to prevent redundant downloads.")
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parser.add_argument("-cipd_sdk_version", type=str, default="latest", required=False,
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help="CIPD sdk version to download, e.g.: git_revision:fce11c6904c888e6d39f71e03806a540852dec41")
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parser.add_argument("-cipd_clang_version", type=str, default="latest", required=False,
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help="CIPD clang version to download, e.g.: git_revision:fce11c6904c888e6d39f71e03806a540852dec41")
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args = parser.parse_args()
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sdk_dir = args.sdk_dir
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clang_dir = args.clang_dir
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cipd_sdk_version = args.cipd_sdk_version
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cipd_clang_version = args.cipd_clang_version
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if args.overwrite_dirs:
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dirs = [sdk_dir, clang_dir]
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for curr_dir in dirs:
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try:
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if os.path.exists(curr_dir):
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shutil.rmtree(curr_dir)
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os.makedirs(curr_dir)
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except OSError:
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MessageExit("Creation of the directory %s failed" % curr_dir)
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else:
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# Make dirs for sdk and clang.
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if not os.path.exists(sdk_dir):
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os.makedirs(sdk_dir)
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if not os.path.exists(clang_dir):
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os.makedirs(clang_dir)
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# Verify that existing dirs are writable.
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if (not os.access(sdk_dir, os.W_OK)) or (not os.path.isdir(sdk_dir)):
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MessageExit("Can't write to sdk dir " + sdk_dir)
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if (not os.access(clang_dir, os.W_OK)) or (not os.path.isdir(clang_dir)):
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MessageExit("Can't write to clang dir " + clang_dir)
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ostype = platform.system()
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if ostype == "Linux":
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os_string = "linux-amd64"
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elif ostype == "Darwin":
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os_string = "mac-amd64"
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else:
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MessageExit("Unknown host " + ostype)
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# |sdk_pkg| and |clang_pkg| below are prescribed paths defined by chrome-infra.
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sdk_pkg = "fuchsia/sdk/core/" + os_string
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DownloadAndUnzip(sdk_pkg, cipd_sdk_version, args.cipd_cache_dir, sdk_dir)
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clang_pkg = "fuchsia/clang/" + os_string
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DownloadAndUnzip(clang_pkg, cipd_clang_version, args.cipd_cache_dir, clang_dir)
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if __name__ == "__main__":
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import sys
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Main()
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