$ git clone -n https://src.fedoraproject.org/rpms/gcompris-qt.git /var/lib/mock/f45-build-9644-407/root/chroot_tmpdir/scmroot/gcompris-qt
Cloning into '/var/lib/mock/f45-build-9644-407/root/chroot_tmpdir/scmroot/gcompris-qt'...
$ git fetch origin 4f060fe34817ccdfb23113a9d82aabc328122902:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gcompris-qt
 * [new ref]         4f060fe34817ccdfb23113a9d82aabc328122902 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f060fe Updated to new upstream release