upstream/mercurial-mirror Files · contrib/fuzz/revlog_corpus.py

revlog: make sure we never use sparserevlog without general delta (issue6056)...

revlog: make sure we never use sparserevlog without general delta (issue6056) We are getting user report where the delta code tries to use `sparse-revlog` logic on repository where `generaldelta` is disabled. This can't work so we ensure the two booleans have a consistent value. Creating this kind of repository is not expected to be possible the current bug report point at a clonebundle related bug that is still to be properly isolated (Yuya Nishihara seems to a have done it). Corrupting a repository to reproduce the issue is possible. A test using this method is included in this fix.

Augie Fackler - - Load All Authors

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      from __future__ import absolute_import, print_function

      import argparse

      import os

      import zipfile

      ap = argparse.ArgumentParser()

      ap.add_argument("out", metavar="some.zip", type=str, nargs=1)

      args = ap.parse_args()

      reporoot = os.path.normpath(os.path.join(os.path.dirname(__file__),

                                               '..', '..'))

      # typically a standalone index

      changelog = os.path.join(reporoot, '.hg', 'store', '00changelog.i')

      # an inline revlog with only a few revisions

      contributing = os.path.join(

          reporoot, '.hg', 'store', 'data', 'contrib', 'fuzz', 'mpatch.cc.i')

      print(changelog, os.path.exists(changelog))

      print(contributing, os.path.exists(contributing))

      with zipfile.ZipFile(args.out[0], "w", zipfile.ZIP_STORED) as zf:

          if os.path.exists(changelog):

              with open(changelog) as f:

                  zf.writestr("00changelog.i", f.read())

          if os.path.exists(contributing):

              with open(contributing) as f:

                  zf.writestr("contributing.i", f.read())

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				from __future__ import absolute_import, print_function

				import argparse
				import os
				import zipfile

				ap = argparse.ArgumentParser()
				ap.add_argument("out", metavar="some.zip", type=str, nargs=1)
				args = ap.parse_args()

				reporoot = os.path.normpath(os.path.join(os.path.dirname(__file__),
				'..', '..'))
				# typically a standalone index
				changelog = os.path.join(reporoot, '.hg', 'store', '00changelog.i')
				# an inline revlog with only a few revisions
				contributing = os.path.join(
				reporoot, '.hg', 'store', 'data', 'contrib', 'fuzz', 'mpatch.cc.i')

				print(changelog, os.path.exists(changelog))
				print(contributing, os.path.exists(contributing))

				with zipfile.ZipFile(args.out[0], "w", zipfile.ZIP_STORED) as zf:
				if os.path.exists(changelog):
				with open(changelog) as f:
				zf.writestr("00changelog.i", f.read())
				if os.path.exists(contributing):
				with open(contributing) as f:
				zf.writestr("contributing.i", f.read())