$ git clone -n https://src.fedoraproject.org/rpms/qperf.git /var/lib/mock/f45-build-33962-675/root/chroot_tmpdir/scmroot/qperf
Cloning into '/var/lib/mock/f45-build-33962-675/root/chroot_tmpdir/scmroot/qperf'...
$ git fetch origin 26ba30dce6d260119b193540d47c1f809e408f39:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qperf
 * [new ref]         26ba30dce6d260119b193540d47c1f809e408f39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26ba30d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild