$ git clone -n https://src.fedoraproject.org/rpms/hyphen-ca.git /var/lib/mock/f40-build-2291242-56027/root/chroot_tmpdir/scmroot/hyphen-ca
Cloning into '/var/lib/mock/f40-build-2291242-56027/root/chroot_tmpdir/scmroot/hyphen-ca'...
$ git fetch origin 644433dd343b19f2444f72a5970bb96a1bbd2a2c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hyphen-ca
 * [new ref]         644433dd343b19f2444f72a5970bb96a1bbd2a2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 644433d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild