$ git clone -n https://src.fedoraproject.org/rpms/rust-hyper.git /var/lib/mock/f40-build-2072905-49334/root/chroot_tmpdir/scmroot/rust-hyper
Cloning into '/var/lib/mock/f40-build-2072905-49334/root/chroot_tmpdir/scmroot/rust-hyper'...
$ git fetch origin 3250e0092580a35372c6f037249709e51b0eb4c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-hyper
 * [new ref]         3250e0092580a35372c6f037249709e51b0eb4c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3250e00 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild