$ git clone -n https://src.fedoraproject.org/rpms/sysutil.git /var/lib/mock/f42-build-889833-189302/root/chroot_tmpdir/scmroot/sysutil
Cloning into '/var/lib/mock/f42-build-889833-189302/root/chroot_tmpdir/scmroot/sysutil'...
$ git fetch origin 28bfd43d5c473a67a76f2d1a18b1030e978d689c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sysutil
 * [new ref]         28bfd43d5c473a67a76f2d1a18b1030e978d689c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28bfd43 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild