$ git clone -n https://src.fedoraproject.org/rpms/jsonrpc-glib.git /var/lib/mock/f39-build-1625087-39130/root/chroot_tmpdir/scmroot/jsonrpc-glib
Cloning into '/var/lib/mock/f39-build-1625087-39130/root/chroot_tmpdir/scmroot/jsonrpc-glib'...
$ git fetch origin e1104a05b9caada52cc863ec90bc43f3b5fd6250:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jsonrpc-glib
 * [new ref]         e1104a05b9caada52cc863ec90bc43f3b5fd6250 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1104a0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild