$ git clone -n https://src.fedoraproject.org/rpms/rust-rustdct.git /var/lib/mock/f38-build-side-43-rust-devel-1416738-31457/root/chroot_tmpdir/scmroot/rust-rustdct
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1416738-31457/root/chroot_tmpdir/scmroot/rust-rustdct'...
$ git fetch origin d9164eb28f7958bd9625e17ec94d12e68dd7739f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rustdct
 * [new ref]         d9164eb28f7958bd9625e17ec94d12e68dd7739f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9164eb Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild