$ git clone -n https://src.fedoraproject.org/rpms/rust-primal-estimate.git /var/lib/mock/f38-build-side-43-rust-devel-1415599-31455/root/chroot_tmpdir/scmroot/rust-primal-estimate
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1415599-31455/root/chroot_tmpdir/scmroot/rust-primal-estimate'...
$ git fetch origin 97554af0390c98a3ed8f7275b1690ee46b5dea53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-primal-estimate
 * [new ref]         97554af0390c98a3ed8f7275b1690ee46b5dea53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 97554af Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild