Avoiding a loop

bin/generate-genesis-block.sh

 #!/bin/bash
 # Robert Martin-Legene <robert@nic.ar>
 
-if [ -z "${BFAHOME}" ]; then echo "\$BFAHOME not set. Did you source bfa/bin/env ?" >&2; exit 1; fi
-source ${BFAHOME}/bin/libbfa.sh || exit 1
-
-if [ ! -d "${BFANODEDIR}" -o ! -d "${BFANODEDIR}/geth/chaindata" ]
+# Don't let us call ourselves
+if [ -n "$LOOPCONTROL_GENESISCREATE" ]
 then
-    echo "Node is not initialised. Initialising with genesis."
-    geth --cache 0 --datadir "${BFANODEDIR}" --networkid ${BFANETWORKID} init "${BFANETWORKDIR}/genesis.json"
-fi
+    export LOOPCONTROL_GENESISCREATE=1
+    if [ -z "${BFAHOME}" ]; then echo "\$BFAHOME not set. Did you source bfa/bin/env ?" >&2; exit 1; fi
+    source ${BFAHOME}/bin/libbfa.sh || exit 1
 
+    if [ ! -d "${BFANODEDIR}" -o ! -d "${BFANODEDIR}/geth/chaindata" ]
+    then
+        echo "Node is not initialised. Initialising with genesis."
+        geth --cache 0 --datadir "${BFANODEDIR}" --networkid ${BFANETWORKID} init "${BFANETWORKDIR}/genesis.json"
+    fi
+fi
+unset LOOPCONTROL_GENESISCREATE