revlog: make sure the files are closed after an exception happens This prevents a corruption when the writes happen after the truncate initiated by the transaction rollback.

merge with crew

make sure not to reuse an existing append-file from a previous failed pull

Fix issue995 (copy --after and symlinks pointing to a directory) I haven't looked at other places that call os.path.isdir to make sure they're OK.

dirstate: ignore mode changes if the fs does not supports the exec bit This can make a difference when e.g. the repo is exported through NFS (which support exec bits) and CIFS (which does not).

merge: require --force when there are deleted files