ref: d4cf8be779e7eab5fd6667ef870b6e620a1d9709
dir: /sys/src/cmd/git/test/rebase.rc/
#!/bin/rc
. ./util.rc
rm -fr scratch
mkdir scratch
echo @@ rebase test @@
@{
cd scratch
q git/init
q echo a >a; git/add a; git/commit -m a a
q git/branch -n front-test
echo c >c;
q git/add c
q git/commit -m c c
q git/branch front
echo b >b;
q git/add b
q git/commit -m b b
git/branch front-test
git/rebase front | rc
}