$ git clone -n https://src.fedoraproject.org/rpms/rust-futures-channel.git /var/lib/mock/f40-build-2712765-72063/root/chroot_tmpdir/scmroot/rust-futures-channel
Cloning into '/var/lib/mock/f40-build-2712765-72063/root/chroot_tmpdir/scmroot/rust-futures-channel'...
$ git fetch origin 7741c189f132e373a6687649a42f52f100b30070:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-futures-channel
 * [new ref]         7741c189f132e373a6687649a42f52f100b30070 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7741c18 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild