$ git clone -n https://src.fedoraproject.org/rpms/rust-smithay-clipboard.git /var/lib/mock/f39-build-2273854-54993/root/chroot_tmpdir/scmroot/rust-smithay-clipboard
Cloning into '/var/lib/mock/f39-build-2273854-54993/root/chroot_tmpdir/scmroot/rust-smithay-clipboard'...
$ git fetch origin 88ca8ff234a92940dc73807b99eef7d423df8016:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-smithay-clipboard
 * [new ref]         88ca8ff234a92940dc73807b99eef7d423df8016 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88ca8ff Update to 0.7.0 (rhbz#2243112)