$ git clone -n https://src.fedoraproject.org/rpms/rust-maybe-uninit.git /var/lib/mock/f38-build-side-43-rust-devel-1417444-31459/root/chroot_tmpdir/scmroot/rust-maybe-uninit
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1417444-31459/root/chroot_tmpdir/scmroot/rust-maybe-uninit'...
$ git fetch origin 1860968d75dc05f41b12e6d15c993960e7895142:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-maybe-uninit
 * [new ref]         1860968d75dc05f41b12e6d15c993960e7895142 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1860968 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild