$ git clone -n https://src.fedoraproject.org/rpms/jmock.git /var/lib/mock/f39-build-1545354-36685/root/chroot_tmpdir/scmroot/jmock
Cloning into '/var/lib/mock/f39-build-1545354-36685/root/chroot_tmpdir/scmroot/jmock'...
$ git fetch origin cd2a0176df0b0672456243914dea9daccbca95d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jmock
 * [new ref]         cd2a0176df0b0672456243914dea9daccbca95d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd2a017 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild