scmutil: change canonpath to use util.samefile (issue2167) Fixes (on Windows in cmd.exe): $ hg -R v:\x\a status V:\x\a\bar abort: V:\x\a\bar not under root where v:\x\a is a valid repository with a checked-out file "bar" (Note the difference in casing: "v:\" versus "V:\")

win32.py: let samefile and samedevice work on directories too

rebase: do not add second parent to rebased changeset (drop detach option) (BC) Rebase now behaves as if --detach was always passed. Non-merges are rebased as non-merges, regardless of their parent being an ancestor of the destination. Merges will usually be rebased as merges unless both of their parents are ancestors of the destination, or one of their parents is pruned when rebased. This only alters the behavior of rebase when using the --source/--rev options. --detach option is deprecated. All test changes were carefully validated.

zsh completion: catch up with 2.2 commands and options * add completion for phase and graft core commands * add completion for rebase extension * add new options for already defined commands: * commit --amend * import --bypass * manifest --all * merge --tool * revert -C (short for --no-backup) * qpush --exact [mq] * email --body [patchbomb]