85 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import os
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import subprocess
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logger = logging.getLogger(__name__)
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def get_version_string(module):
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    try:
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        null = open(os.devnull, 'w')
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        cwd = os.path.dirname(os.path.abspath(module.__file__))
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        try:
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            git_branch = subprocess.check_output(
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                ['git', 'rev-parse', '--abbrev-ref', 'HEAD'],
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                stderr=null,
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                cwd=cwd,
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            ).strip().decode('ascii')
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            git_branch = "b=" + git_branch
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        except subprocess.CalledProcessError:
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            git_branch = ""
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        try:
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            git_tag = subprocess.check_output(
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                ['git', 'describe', '--exact-match'],
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                stderr=null,
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                cwd=cwd,
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            ).strip().decode('ascii')
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            git_tag = "t=" + git_tag
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        except subprocess.CalledProcessError:
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            git_tag = ""
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        try:
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            git_commit = subprocess.check_output(
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                ['git', 'rev-parse', '--short', 'HEAD'],
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                stderr=null,
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                cwd=cwd,
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            ).strip().decode('ascii')
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        except subprocess.CalledProcessError:
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            git_commit = ""
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        try:
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            dirty_string = "-this_is_a_dirty_checkout"
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            is_dirty = subprocess.check_output(
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                ['git', 'describe', '--dirty=' + dirty_string],
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                stderr=null,
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                cwd=cwd,
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            ).strip().decode('ascii').endswith(dirty_string)
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            git_dirty = "dirty" if is_dirty else ""
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        except subprocess.CalledProcessError:
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            git_dirty = ""
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        if git_branch or git_tag or git_commit or git_dirty:
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            git_version = ",".join(
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                s for s in
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                (git_branch, git_tag, git_commit, git_dirty,)
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                if s
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            )
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            return (
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                "%s (%s)" % (
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                    module.__version__, git_version,
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                )
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            )
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    except Exception as e:
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        logger.info("Failed to check for git repository: %s", e)
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    return module.__version__
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