$ git clone -n https://src.fedoraproject.org/rpms/rust-capnp-futures.git /var/lib/mock/f41-build-side-1-2769195-32104/root/chroot_tmpdir/scmroot/rust-capnp-futures
Cloning into '/var/lib/mock/f41-build-side-1-2769195-32104/root/chroot_tmpdir/scmroot/rust-capnp-futures'...
$ git fetch origin 3b47667e5315fd90aa36787c53adf8800ff28ec4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-capnp-futures
 * [new ref]         3b47667e5315fd90aa36787c53adf8800ff28ec4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b47667 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild