$ git clone -n https://src.fedoraproject.org/rpms/rust-hyper.git /var/lib/mock/f40-build-2656924-66915/root/chroot_tmpdir/scmroot/rust-hyper
Cloning into '/var/lib/mock/f40-build-2656924-66915/root/chroot_tmpdir/scmroot/rust-hyper'...
$ git fetch origin e67763e3715ed6d1c3bf75e5e8212dd4d71dc0bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-hyper
 * [new ref]         e67763e3715ed6d1c3bf75e5e8212dd4d71dc0bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e67763e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild