$ git clone -n https://src.fedoraproject.org/rpms/jzlib.git /var/lib/mock/f40-build-2480257-61614/root/chroot_tmpdir/scmroot/jzlib
Cloning into '/var/lib/mock/f40-build-2480257-61614/root/chroot_tmpdir/scmroot/jzlib'...
$ git fetch origin e33cf41be83a1aeab4c28ab31a9db8d1e561bb84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jzlib
 * [new ref]         e33cf41be83a1aeab4c28ab31a9db8d1e561bb84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e33cf41 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild