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43 lines
1.8 KiB
Python
43 lines
1.8 KiB
Python
#
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# All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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# its licensors.
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#
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# For complete copyright and license terms please see the LICENSE at the root of this
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# distribution (the "License"). All use of this software is governed by the License,
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# or, if provided, by the license below or the license accompanying this file. Do not
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# remove or modify any license notices. This file 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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#
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import os
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import subprocess
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import git
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# Returns True if the dst commit descends from the src commit, otherwise False
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def is_descendent(src_commit_hash, dst_commit_hash):
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if src_commit_hash is None or dst_commit_hash is None:
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return False
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result = subprocess.run(["git", "merge-base", "--is-ancestor", src_commit_hash, dst_commit_hash])
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return result.returncode == 0
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# Attempts to create a diff from the src and dst commits and write to the specified output file
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def create_diff_file(src_commit_hash, dst_commit_hash, output_path):
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if os.path.isfile(output_path):
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os.remove(output_path)
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os.makedirs(os.path.dirname(output_path), exist_ok=True)
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# git diff will only write to the output file if both commit hashes are valid
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subprocess.run(["git", "diff", "--name-status", f"--output={output_path}", src_commit_hash, dst_commit_hash])
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if not os.path.isfile(output_path):
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raise FileNotFoundError(f"Source commit '{src_commit_hash}' and/or destination commit '{dst_commit_hash}' are invalid")
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# Basic representation of a repository
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class Repo:
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def __init__(self, repo_path):
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self.__repo = git.Repo(repo_path)
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# Returns the current branch
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@property
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def current_branch(self):
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branch = self.__repo.active_branch
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return branch.name
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