Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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61 lines
1.8 KiB
61 lines
1.8 KiB
#!/usr/bin/env python3 |
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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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"""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 os |
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import subprocess |
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import sys |
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# /path/to/util/bot |
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ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) |
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# Platform depended suffix for executable files. |
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EXE_SFX = '.exe' if sys.platform == 'win32' else '' |
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def get_go_environ(goroot): |
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"""Returns a copy of os.environ with added GOROOT and PATH variables.""" |
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env = os.environ.copy() |
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env['GOROOT'] = goroot |
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gobin = os.path.join(goroot, 'bin') |
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path = env['PATH'].split(os.pathsep) |
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if gobin not in path: |
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env['PATH'] = os.pathsep.join([gobin] + path) |
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return env |
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def find_executable(name, goroot): |
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"""Returns full path to an executable in GOROOT.""" |
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basename = name |
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if EXE_SFX and basename.endswith(EXE_SFX): |
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basename = basename[:-len(EXE_SFX)] |
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full_path = os.path.join(goroot, 'bin', basename + EXE_SFX) |
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if os.path.exists(full_path): |
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return full_path |
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return name |
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# TODO(davidben): Now that we use CIPD to fetch Go, this script does not do |
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# much. Switch to setting up GOROOT and PATH in the recipe? |
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goroot = os.path.join(ROOT, 'golang') |
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new = get_go_environ(goroot) |
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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 = find_executable(exe, goroot) |
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sys.exit(subprocess.call([exe] + sys.argv[2:], env=new))
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