$ git clone -n https://src.fedoraproject.org/rpms/jmock.git /var/lib/mock/f40-build-2446920-61326/root/chroot_tmpdir/scmroot/jmock
Cloning into '/var/lib/mock/f40-build-2446920-61326/root/chroot_tmpdir/scmroot/jmock'...
$ git fetch origin fea3da657cf14b64e69ac0eed61c9c18b66c288b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jmock
 * [new ref]         fea3da657cf14b64e69ac0eed61c9c18b66c288b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fea3da6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild