[RFC/PATCH] add diffstat information to rebase

Signed-off-by: Stefan Beller <sbeller@google.com>
---

When working on a large feature consisting of lots of commits, my development workflow is to create a lot of very small commits and then reshuffle these via interactive rebase.

Sometimes the commit message titles for these very small commits are not as good as I thought they would, such that the interactive rebase session needs to be accompanied by extensive use of gitk in my case.

This is a small hack that adds the diffstat to the interactive rebase helping me a bit during the rebase, such that:

    $ git rebase -i HEAD^^

    pick 2eaa3f532c Third batch for 2.12
    # Documentation/RelNotes/2.12.0.txt | 40 +++++++++++++++++++++++++++++++++++++++
    # 1 file changed, 40 insertions(+)
    pick 3170a3a57b add information to rebase
    # git-rebase--interactive.sh | 2 ++
    # 1 file changed, 2 insertions(+)
    
    # Rebase 2eaa3f532c..3170a3a57b onto 2eaa3f532c (1 command)
    #
    # Commands:
    # p, pick = use commit
    # r, reword = use commit, but edit the commit message
    # e, edit = use commit, but stop for amending

I am not completely satisfied with the result, as I initially wished these information would just appear in line after the commit subject, but this comes close. Maybe the last line also needs to be dropped.

This is not a patch meant for inclusion, as for that we'd want to hide this feature behind an option I'd guess.

Stefan

 git-rebase--interactive.sh | 2 ++
 1 file changed, 2 insertions(+)