rebase -i: notice and warn if "exec $cmd" modifies the index or the working tree
rebase -i: notice and warn if "exec $cmd" modifies the index or the working tree

If "exec $cmd" touched the index or the working tree, and exited with
non-zero status, the code did not check and warn that there now are
uncommitted changes.

Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git