$ git clone -n https://src.fedoraproject.org/rpms/libmseed.git /var/lib/mock/f45-build-16614-488/root/chroot_tmpdir/scmroot/libmseed
Cloning into '/var/lib/mock/f45-build-16614-488/root/chroot_tmpdir/scmroot/libmseed'...
$ git fetch origin 8d3444b554d05157be0e372fe4b02ffcda55e499:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmseed
 * [new ref]         8d3444b554d05157be0e372fe4b02ffcda55e499 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d3444b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild