$ git clone -n https://src.fedoraproject.org/rpms/rust-wl-clipboard-rs.git /var/lib/mock/f38-build-side-43-rust-devel-1418966-31459/root/chroot_tmpdir/scmroot/rust-wl-clipboard-rs
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1418966-31459/root/chroot_tmpdir/scmroot/rust-wl-clipboard-rs'...
$ git fetch origin b42c714546e5f76edd9568618847cf9536fa5da4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-wl-clipboard-rs
 * [new ref]         b42c714546e5f76edd9568618847cf9536fa5da4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b42c714 Initial import (#2214344)