$ git clone -n https://src.fedoraproject.org/rpms/qqc2-breeze-style.git /var/lib/mock/f40-build-1183283-21996/root/chroot_tmpdir/scmroot/qqc2-breeze-style
Cloning into '/var/lib/mock/f40-build-1183283-21996/root/chroot_tmpdir/scmroot/qqc2-breeze-style'...
$ git fetch origin 135b917de592c198c1571f17b5e1acece5a7e710:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qqc2-breeze-style
 * [new ref]         135b917de592c198c1571f17b5e1acece5a7e710 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 135b917 6.1.0