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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this,
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import platform as platform_mod
import sys
# Base url for pulling the rustup installer.
RUSTUP_URL_BASE = "https://static.rust-lang.org/rustup"
# Pull this to get the lastest stable version number.
RUSTUP_MANIFEST = RUSTUP_URL_BASE + "/release-stable.toml"
# We bake in a known version number so we can verify a checksum.
RUSTUP_VERSION = "1.23.1"
# SHA-256 checksums of the installers, per platform.
RUSTUP_HASHES = {
"x86_64-unknown-freebsd": "3fb56018ec6009c5a3e345f07d7ea2fbc67d4c6768e528c6d990c7ebe2388d09",
"aarch64-apple-darwin": "6d56735284181b2eb804ed7f57f76cf5ff924251e8ab69d9b5822c3be1ca1dc7",
"x86_64-apple-darwin": "39101feb178a7e3e4443b09b36338e794a9e00385e5f44a2f7789aefb91354a9",
"x86_64-unknown-linux-gnu": "ed7773edaf1d289656bdec2aacad12413b38ad0193fff54b2231f5140a4b07c5",
"x86_64-pc-windows-msvc": "a586cf9de3e4aa791fd5796b6a5f99ca05591ccef8bb94e53af5b69f0261fb03",
"x86_64-unknown-netbsd": "8b29918e765f2cec3b81a911652b164471c42f8f31241f7401bb89582d6a3ed5",
}
NO_PLATFORM = """
Sorry, we have no installer configured for your platform.
Please try installing rust for your system from https://rustup.rs/
or from https://rust-lang.org/ or from your package manager.
"""
def rustup_url(host, version=RUSTUP_VERSION):
"""Download url for a particular version of the installer."""
return "%(base)s/archive/%(version)s/%(host)s/rustup-init%(ext)s" % {
"base": RUSTUP_URL_BASE,
"version": version,
"host": host,
"ext": exe_suffix(host),
}
def rustup_hash(host):
"""Look up the checksum for the given installer."""
return RUSTUP_HASHES.get(host, None)
def platform():
"""Determine the appropriate rust platform string for the current host"""
if sys.platform.startswith("darwin"):
if platform_mod.machine() == "arm64":
return "aarch64-apple-darwin"
return "x86_64-apple-darwin"
elif sys.platform.startswith(("win32", "msys")):
# Bravely assume we'll be building 64-bit Firefox.
return "x86_64-pc-windows-msvc"
elif sys.platform.startswith("linux"):
return "x86_64-unknown-linux-gnu"
elif sys.platform.startswith("freebsd"):
return "x86_64-unknown-freebsd"
elif sys.platform.startswith("netbsd"):
return "x86_64-unknown-netbsd"
return None
def exe_suffix(host=None):
if not host:
host = platform()
if "windows" in host:
return ".exe"
return ""
USAGE = """
python rust.py [--update]
Pass the --update option print info for the latest release of rustup-init.
When invoked without the --update option, it queries the latest version
and verifies the current stored checksums against the distribution server,
but doesn't update the version installed by `mach bootstrap`.
"""
def unquote(s):
"""Strip outer quotation marks from a string."""
return s.strip("'").strip('"')
def rustup_latest_version():
"""Query the latest version of the rustup installer."""
import requests
r = requests.get(RUSTUP_MANIFEST)
# The manifest is toml, but we might not have the toml4 python module
# available, so use ad-hoc parsing to obtain the current release version.
#
# The manifest looks like:
#
# schema-version = '1'
# version = '0.6.5'
#
for line in r.iter_lines():
line = line.decode("utf-8")
key, value = map(str.strip, line.split("=", 2))
if key == "schema-version":
schema = int(unquote(value))
if schema != 1:
print("ERROR: Unknown manifest schema %s" % value)
sys.exit(1)
elif key == "version":
return unquote(value)
return None
def http_download_and_hash(url):
import hashlib
import requests
h = hashlib.sha256()
r = requests.get(url, stream=True)
for data in r.iter_content(4096):
h.update(data)
return h.hexdigest()
def make_checksums(version, validate=False):
hashes = []
for platform in RUSTUP_HASHES.keys():
if validate:
print("Checking %s... " % platform, end="", flush=True)
else:
print("Fetching %s... " % platform, end="", flush=True)
checksum = http_download_and_hash(rustup_url(platform, version))
if validate and checksum != rustup_hash(platform):
print(
"mismatch:\n script: %s\n server: %s"
% (RUSTUP_HASHES[platform], checksum)
)
else:
print("OK")
hashes.append((platform, checksum))
return hashes
if __name__ == "__main__":
"""Allow invoking the module as a utility to update checksums."""
update = False
if len(sys.argv) > 1:
if sys.argv[1] == "--update":
update = True
else:
print(USAGE)
sys.exit(1)
print("Checking latest installer version... ", end="", flush=True)
version = rustup_latest_version()
if not version:
print("ERROR: Could not query current rustup installer version.")
sys.exit(1)
print(version)
if version == RUSTUP_VERSION:
print("We're up to date. Validating checksums.")
make_checksums(version, validate=True)
exit()
if not update:
print("Out of date. We use %s. Validating checksums." % RUSTUP_VERSION)
make_checksums(RUSTUP_VERSION, validate=True)
exit()
print("Out of date. We use %s. Calculating checksums." % RUSTUP_VERSION)
hashes = make_checksums(version)
print("")
print("RUSTUP_VERSION = '%s'" % version)
print("RUSTUP_HASHES = {")
for item in hashes:
print(" '%s':\n '%s'," % item)
print("}")
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