$ git clone -n https://src.fedoraproject.org/rpms/rust-futures-task.git /var/lib/mock/f39-build-1466804-33701/root/chroot_tmpdir/scmroot/rust-futures-task
Cloning into '/var/lib/mock/f39-build-1466804-33701/root/chroot_tmpdir/scmroot/rust-futures-task'...
$ git fetch origin cd6d283fbcfcfa708163191b982b9bd768f05543:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-futures-task
 * [new ref]         cd6d283fbcfcfa708163191b982b9bd768f05543 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd6d283 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild