46 lines
1.8 KiB
Python
46 lines
1.8 KiB
Python
import git
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from typing import Dict
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def get_history(commit: git.objects.commit.Commit, priority=0, depth=0) -> Dict:
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commit_history = {commit.hexsha: {
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'priority': priority,
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'depth': depth
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}}
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if len(commit.parents) == 0:
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return commit_history
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else:
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commit_history.update(get_history(commit.parents[0], priority, depth+1))
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for parent in commit.parents[1:]:
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commit_history.update(get_history(parent, priority+1, depth+1))
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return commit_history
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def git_describe(commit: git.objects.commit.Commit):
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commit_history = get_history(commit)
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latest_tag = None
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for tag in commit.repo.tags:
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sha = tag.commit.hexsha
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if sha in commit_history.keys():
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if latest_tag is None:
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latest_tag = tag
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elif commit_history[sha]['priority'] < commit_history[latest_tag.commit.hexsha]['priority']:
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latest_tag = tag
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elif commit_history[sha]['priority'] > commit_history[latest_tag.commit.hexsha]['priority']:
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pass # move on
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elif commit_history[sha]['depth'] < commit_history[latest_tag.commit.hexsha]['depth']:
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latest_tag = tag
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elif commit_history[sha]['depth'] > commit_history[latest_tag.commit.hexsha]['depth']:
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pass # move on
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elif tag.object.tagged_date > latest_tag.object.tagged_date:
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latest_tag = tag
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if latest_tag is None:
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return "No tags found - cannot describe anything."
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else:
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msg = latest_tag.name
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if commit_history[latest_tag.commit.hexsha]['depth'] != 0:
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msg += "-{depth}".format(depth=commit_history[latest_tag.commit.hexsha]['depth'])
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if commit.repo.is_dirty(untracked_files=True):
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msg += '-*'
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return msg
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