$ git clone -n https://src.fedoraproject.org/rpms/qwt.git /var/lib/mock/f45-build-34235-682/root/chroot_tmpdir/scmroot/qwt
Cloning into '/var/lib/mock/f45-build-34235-682/root/chroot_tmpdir/scmroot/qwt'...
$ git fetch origin cf696884a60f554505aca75cdb45481a0c46b0c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qwt
 * [new ref]         cf696884a60f554505aca75cdb45481a0c46b0c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf69688 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild