$ git clone -n https://src.fedoraproject.org/rpms/libvterm.git /var/lib/mock/f45-build-17232-497/root/chroot_tmpdir/scmroot/libvterm
Cloning into '/var/lib/mock/f45-build-17232-497/root/chroot_tmpdir/scmroot/libvterm'...
$ git fetch origin a036b2a2b78de78f640d33c8f9daa5478fe5b8d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libvterm
 * [new ref]         a036b2a2b78de78f640d33c8f9daa5478fe5b8d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a036b2a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild