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#!/usr/bin/python3
# Sometimes this might fail due to upstream changes.
# In that case, you probably just need to override the failing step in our
# DownloadOnlyRustBuild class below.

import shutil
import sys

import bootstrap
from bootstrap import RustBuild

class DownloadOnlyRustBuild(RustBuild):
    triple = None
    def build_bootstrap(self, color, verbose_count):
        pass
    def run(self, *args):
        pass
    def build_triple(self):
        return self.triple
    def update_submodules(self):
        pass
    def bootstrap_binary(self):
        return "true"

def main(argv):
    triple = argv.pop(1)
    DownloadOnlyRustBuild.triple = triple
    bootstrap.RustBuild = DownloadOnlyRustBuild
    args = bootstrap.parse_args()
    # bootstrap.py likes to delete our .cargo directory out from under us
    shutil.move(".cargo", ".cargo-bak")
    try:
        bootstrap.bootstrap(args)
    finally:
        shutil.move(".cargo-bak", ".cargo")

if __name__ == '__main__':
    main(sys.argv)