upstream/mercurial-mirror Files · hgext/git/gitutil.py

dirstate-v2: no longer register the data-file during transaction...

dirstate-v2: no longer register the data-file during transaction If the data file change during the transaction, we cannot truncate it. The content of the file itself is fine as it will get backed up at the same time as the docket. Leaving the trailing data at the end of failed transaction is fine. The dirstate-v2 format supports it. The dead data will simply we written over if necessary.

Manuel Jacob - - Load All Authors

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                r50749:b5c85248

6.2.2 stable

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             gitutil.py
        
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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)

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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)