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  • Committer: Jelmer Vernooij
  • Date: 2012-08-26 12:39:14 UTC
  • mto: (0.200.1614 trunk)
  • mto: This revision was merged to the branch mainline in revision 6960.
  • Revision ID: jelmer@samba.org-20120826123914-yvynmlfo3lrrxl6a
Add function for reading pristine tar data from a git repo.

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pristine_tar.py
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    standard_b64decode,
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    )
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from dulwich.objects import Tree
 
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def revision_pristine_tar_data(rev):
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    """Export the pristine tar data from a revision."""
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        raise KeyError
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    return standard_b64decode(uuencoded)
 
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def get_pristine_tar_tree(repo):
 
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    """Retrieve the pristine tar tree for a repository.
 
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    """
 
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    try:
 
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        cid = repo.refs["refs/heads/pristine-tar"]
 
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    except KeyError:
 
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        return Tree()
 
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    tid = repo.object_store[cid].tree
 
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    return repo.object_store[tid]
 
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def read_git_pristine_tar_data(repo, filename):
 
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    """Read pristine data from a Git repository.
 
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    :param repo: Git repository to read from
 
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    :param filename: Name of file to read
 
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    :return: Tuple with delta and id
 
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    """
 
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    tree = get_pristine_tar_tree(repo)
 
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    delta = tree[filename + ".delta"][1]
 
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    gitid = tree[filename + ".id"][1]
 
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    return (repo.object_store[delta].data,
 
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            repo.object_store[gitid].data)