Mercurial > hg
view hgext/git/gitutil.py @ 49680:40e24d82b513
delta-find: make sure we only use newer full snapshot as candidate
The current code does not needs to protect against this, as there are no older
snapshot in the current cache. However as we are getting ready to reuse this
cache from one revision to another, we need the code to protect itself about
what's coming.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Sun, 06 Nov 2022 17:55:55 -0500 |
parents | 227124098e14 |
children | de9ffb82ef4d |
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"""utilities to assist in working with pygit2""" from mercurial.node import bin, sha1nodeconstants pygit2_module = None def get_pygit2(): global pygit2_module if pygit2_module is None: try: import pygit2 as pygit2_module pygit2_module.InvalidSpecError except (ImportError, AttributeError): pass return pygit2_module def pygit2_version(): mod = get_pygit2() v = "N/A" if mod: try: v = mod.__version__ except AttributeError: pass return b"(pygit2 %s)" % v.encode("utf-8") def togitnode(n): """Wrapper to convert a Mercurial binary node to a unicode hexlified node. pygit2 and sqlite both need nodes as strings, not bytes. """ assert len(n) == 20 return n.hex() def fromgitnode(n): """Opposite of togitnode.""" assert len(n) == 40 return bin(n) nullgit = togitnode(sha1nodeconstants.nullid)