$ git clone -n https://src.fedoraproject.org/rpms/python-alembic.git /var/lib/mock/f40-build-2705908-71027/root/chroot_tmpdir/scmroot/python-alembic
Cloning into '/var/lib/mock/f40-build-2705908-71027/root/chroot_tmpdir/scmroot/python-alembic'...
$ git fetch origin 6dea6ae6fbc3b7568172f692944ea0bf417fc88c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-alembic
 * [new ref]         6dea6ae6fbc3b7568172f692944ea0bf417fc88c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6dea6ae Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild