$ git clone -n https://src.fedoraproject.org/rpms/ustr.git /var/lib/mock/f41-build-832864-157689/root/chroot_tmpdir/scmroot/ustr
Cloning into '/var/lib/mock/f41-build-832864-157689/root/chroot_tmpdir/scmroot/ustr'...
$ git fetch origin 862d5b93ffb06bd291f7bd9d24dd4e698275d0bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ustr
 * [new ref]         862d5b93ffb06bd291f7bd9d24dd4e698275d0bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 862d5b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild