$ git clone -n https://src.fedoraproject.org/rpms/rust-capnp-futures.git /var/lib/mock/f39-build-1526166-36059/root/chroot_tmpdir/scmroot/rust-capnp-futures
Cloning into '/var/lib/mock/f39-build-1526166-36059/root/chroot_tmpdir/scmroot/rust-capnp-futures'...
$ git fetch origin d55411902c1468ca86879b73ecd56ea268e99b43:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-capnp-futures
 * [new ref]         d55411902c1468ca86879b73ecd56ea268e99b43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d554119 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild