$ git clone -n https://src.fedoraproject.org/rpms/libsbw.git /var/lib/mock/f45-build-16932-493/root/chroot_tmpdir/scmroot/libsbw
Cloning into '/var/lib/mock/f45-build-16932-493/root/chroot_tmpdir/scmroot/libsbw'...
$ git fetch origin 6f787265cf6860afd6936a43cc13dcd84c73aad2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsbw
 * [new ref]         6f787265cf6860afd6936a43cc13dcd84c73aad2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f78726 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild