upstream/mercurial-mirror Files · mercurial/utils/hashutil.py

emitrevision: if we need to compute a delta on the fly, try p1 or p2 first...

emitrevision: if we need to compute a delta on the fly, try p1 or p2 first Falling back to `prev` does not yield any real value on modern storage and result in pathological changes to be created on the other side. Doing a delta against a parent will likely be smaller (helping the network) and will be safer to apply on the client (helping future pulls by Triggering intermediate snapshop where they will be needed by later deltas).

Gregory Szorc - - Load All Authors

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      import hashlib

      try:

          from ..thirdparty import sha1dc  # pytype: disable=import-error

          sha1 = sha1dc.sha1

      except (ImportError, AttributeError):

          sha1 = hashlib.sha1

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				import hashlib

				try:
				from ..thirdparty import sha1dc # pytype: disable=import-error

				sha1 = sha1dc.sha1
				except (ImportError, AttributeError):
				sha1 = hashlib.sha1