$ git clone -n https://src.fedoraproject.org/rpms/rust-fallible-iterator.git /var/lib/mock/f38-build-side-43-rust-devel-1417934-31459/root/chroot_tmpdir/scmroot/rust-fallible-iterator
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1417934-31459/root/chroot_tmpdir/scmroot/rust-fallible-iterator'...
$ git fetch origin 4ab5db35d17c40900ff92eebd2d602076b25a0f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-fallible-iterator
 * [new ref]         4ab5db35d17c40900ff92eebd2d602076b25a0f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ab5db3 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild