$ git clone -n https://src.fedoraproject.org/rpms/rust-local-encoding.git /var/lib/mock/f38-build-side-43-rust-devel-1415251-31454/root/chroot_tmpdir/scmroot/rust-local-encoding
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1415251-31454/root/chroot_tmpdir/scmroot/rust-local-encoding'...
$ git fetch origin 54b6c9a87571974efa562dc086293af1c62757d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-local-encoding
 * [new ref]         54b6c9a87571974efa562dc086293af1c62757d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54b6c9a Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild