$ git clone -n https://src.fedoraproject.org/rpms/cppad.git /var/lib/mock/f40-build-2587857-62518/root/chroot_tmpdir/scmroot/cppad
Cloning into '/var/lib/mock/f40-build-2587857-62518/root/chroot_tmpdir/scmroot/cppad'...
$ git fetch origin b320dde8bb98a24a512c0b043646bf4ca36af612:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cppad
 * [new ref]         b320dde8bb98a24a512c0b043646bf4ca36af612 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b320dde Use prep to make patch for 20240000.3 -> 20240000.4 bug fix.