$ git clone -n https://src.fedoraproject.org/rpms/libqrtr-glib.git /var/lib/mock/f45-build-16811-491/root/chroot_tmpdir/scmroot/libqrtr-glib
Cloning into '/var/lib/mock/f45-build-16811-491/root/chroot_tmpdir/scmroot/libqrtr-glib'...
$ git fetch origin 2792b3bbc12d96a96aa19bdafd4eb72d60ff9e58:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libqrtr-glib
 * [new ref]         2792b3bbc12d96a96aa19bdafd4eb72d60ff9e58 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2792b3b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild