$ git clone -n https://src.fedoraproject.org/rpms/rust-qemu-display.git /var/lib/mock/f45-build-44172-811/root/chroot_tmpdir/scmroot/rust-qemu-display
Cloning into '/var/lib/mock/f45-build-44172-811/root/chroot_tmpdir/scmroot/rust-qemu-display'...
$ git fetch origin 8a20069de2f8a6a99407ef132dd9a0ec8a373f9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-qemu-display
 * [new ref]         8a20069de2f8a6a99407ef132dd9a0ec8a373f9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a20069 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild