$ git clone -n https://src.fedoraproject.org/rpms/rust-humantime-serde.git /var/lib/mock/f38-build-side-43-rust-devel-1411700-31436/root/chroot_tmpdir/scmroot/rust-humantime-serde
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1411700-31436/root/chroot_tmpdir/scmroot/rust-humantime-serde'...
$ git fetch origin 7f179126283278bbf0c7ae2dde0f666984385d7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-humantime-serde
 * [new ref]         7f179126283278bbf0c7ae2dde0f666984385d7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f17912 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild