# now kill off all of the refs and pretend we had
# just the one tip
- rm -rf .git/logs .git/refs/* .git/packed-refs
- git update-ref HEAD $cutoff
+ rm -rf .git/logs .git/refs/* .git/packed-refs &&
+ git update-ref HEAD $cutoff &&
# and then repack, which will leave us with a nice
# big bitmap pack of the "old" history, and all of
# the new history will be loose, as if it had been pushed
# up incrementally and exploded via unpack-objects
- git repack -Ad
+ git repack -Ad &&
# and now restore our original tip, as if the pushes
# had happened