[PATCH] git-rebase: Add a -v option to show a diffstat of the changes upstream at the start of a rebase.

Signed-off-by: Robert Shearman <redacted>
---
  Documentation/git-rebase.txt |    5 ++++-
  git-rebase.sh                |   12 +++++++++++-
  2 files changed, 15 insertions(+), 2 deletions(-)