upstream/mercurial-mirror Files · tests/test-symlink-os-yes-fs-no.py

patch: support diff data loss detection and upgrade...

patch: support diff data loss detection and upgrade In worst case, generating diff in upgrade mode can be two times more expensive than generating it in git mode directly: we may have to regenerate the whole diff again whenever a git feature is detected. Also, the first diff attempt is completely buffered instead of being streamed. That said, even without having profiled it yet, I am convinced we can fast-path the upgrade mode if necessary were it to be used in regular diff commands, and not only in mq where avoiding data loss is worth the price.

Dov Feldstern - - Load All Authors

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             test-symlink-os-yes-fs-no.py
        
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      import os, sys

      from mercurial import hg, ui

      TESTDIR = os.environ["TESTDIR"]

      # only makes sense to test on os which supports symlinks

      if not hasattr(os, "symlink"):

          sys.exit(80) # SKIPPED_STATUS defined in run-tests.py

      # this is what symlink would do on a non-symlink file system

      def symlink_failure(src, dst):

          raise OSError, (1, "Operation not permitted")

      os.symlink = symlink_failure

      # now try cloning a repo which contains symlinks

      u = ui.ui()

      hg.clone(u, os.path.join(TESTDIR, 'test-no-symlinks.hg'), 'test1')

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				import os, sys
				from mercurial import hg, ui

				TESTDIR = os.environ["TESTDIR"]

				# only makes sense to test on os which supports symlinks
				if not hasattr(os, "symlink"):
				sys.exit(80) # SKIPPED_STATUS defined in run-tests.py

				# this is what symlink would do on a non-symlink file system
				def symlink_failure(src, dst):
				raise OSError, (1, "Operation not permitted")
				os.symlink = symlink_failure

				# now try cloning a repo which contains symlinks
				u = ui.ui()
				hg.clone(u, os.path.join(TESTDIR, 'test-no-symlinks.hg'), 'test1')