histedit: change state format to allow non-hash lines The existing state serialization format assumed the rule line consisted of an action and a hash. In our external extension that adds 'exec' this is not the case (there is no hash, just the shell command). So let's change the format to be more generic with just an action and a remainder, and the various commands can handle it as they wish. Flagged for stable since we want to get this format tweak in before the new format goes live in the release.

tests: fix portability issue with test-merge-tools Not sure how this ever worked.

test-rename-merge2: fix test failure on Windows Windows and OpenVMS use double quote for shell quoting, posix uses single quote. Since the other test lines added in 5668202cfaaf don't include the quotes, this was presumably an oversight.

test-add.t: fix output difference between Windows and OS X (issue4603)

tags: do not abort if failed to write lock file to save cache LockHeld wasn't enough to suppress error during acquiring lock. If .hg directory is read-only, LockUnavailable will be raised. $ chmod ugo-w .hg $ hg identify abort: could not lock working directory of ...: Permission denied

Added signature for changeset e89f909edffa