37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
# Copyright (c) 2021 Wind River Systems, Inc.
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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 fnmatch
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import os
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# repo_root [<dir>]:
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# Return the root directory of a repo.
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# Note: symlinks are fully expanded.
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#
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def repo_root (dir=os.environ['PWD']):
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if dir is None:
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return None
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if not os.path.isdir(dir):
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# Parhaps a file, try the parent directory of the file.
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dir = os.path.dirname(dir)
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if not os.path.isdir(dir):
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return None
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while dir != "/":
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if os.path.isdir(os.path.join(dir, ".repo")):
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return os.path.normpath(dir)
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dir = os.path.dirname(dir)
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return None
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