$ git clone -n https://src.fedoraproject.org/rpms/qtsingleapplication.git /var/lib/mock/f45-build-34183-680/root/chroot_tmpdir/scmroot/qtsingleapplication
Cloning into '/var/lib/mock/f45-build-34183-680/root/chroot_tmpdir/scmroot/qtsingleapplication'...
$ git fetch origin fdcb59ba0ae656ceb55bf9463d6a88da15ccbb82:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qtsingleapplication
 * [new ref]         fdcb59ba0ae656ceb55bf9463d6a88da15ccbb82 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fdcb59b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild