$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-engine.git /var/lib/mock/f42-build-3270407-41264/root/chroot_tmpdir/scmroot/rust-nu-engine
Cloning into '/var/lib/mock/f42-build-3270407-41264/root/chroot_tmpdir/scmroot/rust-nu-engine'...
$ git fetch origin 86d0955edc30fe9da3e4297705fea2a74d2bcb47:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-engine
 * [new ref]         86d0955edc30fe9da3e4297705fea2a74d2bcb47 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86d0955 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild