pull: return 255 value on update failure (issue4948) (BC) Before this patch hg pull -u on UpdateAbort error returned 0 value to the system. This patch fixes this by reraising UpdateAbort with updated error msg.

filemerge: remove leading space from " no tool found..." I could not find or see a reason for the unusual formatting. The lines following it in the test cases are not indented.

test-encoding: enable fuzz testing of utf8b roundtrip This test was written by David R. MacIver <david@drmaciver.com> at the London sprint. We can enable it as the bug in utf8b encoder/decoder has been fixed.

import-checker: reset context to verify convention in function scope I got the following error by rewriting hgweb/webcommands.py to use absolute_import. It is false-positive because the import line appears in "help" function: hgweb/webcommands.py:1297: higher-level import should come first: mercurial This patch makes the import checker aware of the function scope and apply rules recursively.

import-checker: allow import of child modules from package root I got the following error by rewriting hgweb/__init__.py to use absolute_import, which is obviously wrong: Import cycle: mercurial.hgweb.__init__ -> mercurial.hgweb.__init__ "from foo import bar" should not make a cycle if "foo" is a package and if "bar" is a module or a package. On the other hand, it should be detected as a cycle if "bar" is a non-module name. Both cases are doc-tested already, so this patch does not add new doctest.

encoding: extend test cases for utf8b This adds a round-trip helper and a few tests of streams that could cause synchronization problems in the encoder.

merge: make 'cd' and 'dc' actions store the same arguments as 'm' We're going to treat these conflicts similarly to merge conflicts, and this change to the way we store things in memory makes future code a lot simpler.