Re: WANTED: patch splitting tool - waypoints

Bron Gondwana [off-list ref] writes:

Hi,

My toolkit is missing a tool.  I've never seen it
or anything like it, but I can describe it - and
hopefully someone else knows if it exists.

It's basically a combination of git rebase -i and
git add -p.

I guess you named it: git add -p.

So the journey A => B becomes the journey A => W => B.

Just checkout B, then

git reset HEAD^

This will reset your _index_ to the state of A (which happens to be
HEAD^, the ancestor of HEAD). Now, you can

while !happy; do
    git add -p   # select patch hunks
    git commit   # Create an intermediate commit
done
git commit -a    # Re-create commit B

The tool allows you to quickly choose which hunks to
add to patch(A=>W) and which to add to patch(W=>B),
but also lets you make edits to the intermediate state
easily so that W will compile even if some bits of the
patch were intermingled.

Then, "git stash --keep-index" between "git add -p" and "git commit",
and "git stash pop" afterwards.

And a graphical/
ncurses interface

then, replace "git add -p; git commit" with "git gui", which will let
you select hunks and commit from a GUI.


Note that "rebase -i" is not strictly needed here, but you can apply
the above flow within a "edit" command of "rebase -i", so it's a nice
complement.

--
Matthieu Moy
http://www-verimag.imag.fr/~moy/