$ git clone -n https://src.fedoraproject.org/rpms/rust-dlib.git /var/lib/mock/f39-build-1488888-34500/root/chroot_tmpdir/scmroot/rust-dlib
Cloning into '/var/lib/mock/f39-build-1488888-34500/root/chroot_tmpdir/scmroot/rust-dlib'...
$ git fetch origin b53460500143ef06e687110f0bd59f3a26f2ab78:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-dlib
 * [new ref]         b53460500143ef06e687110f0bd59f3a26f2ab78 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b534605 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild