gitech

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// Copyright 2017 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git
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import (
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	"fmt"
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)
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// LineBlame returns the latest commit at the given line
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func (repo *Repository) LineBlame(revision, path, file string, line uint) (*Commit, error) {
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	res, _, err := NewCommand(repo.Ctx, "blame").
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		AddOptionFormat("-L %d,%d", line, line).
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		AddOptionValues("-p", revision).
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		AddDashesAndList(file).RunStdString(&RunOpts{Dir: path})
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	if err != nil {
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		return nil, err
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	}
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	if len(res) < 40 {
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		return nil, fmt.Errorf("invalid result of blame: %s", res)
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	}
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	return repo.GetCommit(res[:40])
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}
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