Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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49 lines
1.3 KiB
49 lines
1.3 KiB
#!/usr/bin/env python |
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# Copyright 2014 The Chromium Authors. All rights reserved. |
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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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# Modified from go/env.py in Chromium infrastructure's repository to patch out |
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# everything but the core toolchain. |
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# |
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# https://chromium.googlesource.com/infra/infra/ |
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"""Can be used to point environment variable to hermetic Go toolset. |
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Usage (on linux and mac): |
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$ eval `./env.py` |
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$ go version |
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Or it can be used to wrap a command: |
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$ ./env.py go version |
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""" |
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assert __name__ == '__main__' |
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import imp |
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import os |
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import subprocess |
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import sys |
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# Do not want to mess with sys.path, load the module directly. |
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bootstrap = imp.load_source( |
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'bootstrap', os.path.join(os.path.dirname(__file__), 'bootstrap.py')) |
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old = os.environ.copy() |
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new = bootstrap.prepare_go_environ() |
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if len(sys.argv) == 1: |
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for key, value in sorted(new.iteritems()): |
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if old.get(key) != value: |
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print 'export %s="%s"' % (key, value) |
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else: |
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exe = sys.argv[1] |
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if exe == 'python': |
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exe = sys.executable |
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else: |
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# Help Windows to find the executable in new PATH, do it only when |
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# executable is referenced by name (and not by path). |
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if os.sep not in exe: |
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exe = bootstrap.find_executable(exe, [bootstrap.WORKSPACE]) |
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sys.exit(subprocess.call([exe] + sys.argv[2:], env=new))
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