$ git clone -n https://src.fedoraproject.org/rpms/rust-gettext-rs.git /var/lib/mock/f38-build-side-43-rust-devel-1413317-31444/root/chroot_tmpdir/scmroot/rust-gettext-rs
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1413317-31444/root/chroot_tmpdir/scmroot/rust-gettext-rs'...
$ git fetch origin 6cc7967c544ec08509330d73ad00dcb204571c7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gettext-rs
 * [new ref]         6cc7967c544ec08509330d73ad00dcb204571c7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cc7967 Regenerate with rust2rpm v24