Fix gm hermes config to preserve the global section (#1008)

* gm hermes config preserves the global section; fixes #1007.

* Moved parameter loading to load_config

* Added defaults for strategy and log_level

scripts/gm/bin/lib-gm

@@ -18,6 +18,8 @@ config_defaults() {
     GLOBAL_ADD_TO_HERMES="false"
     GLOBAL_WALLET_MNEMONIC=""
     GLOBAL_WALLET_HDPATH=""
+    GLOBAL_HERMES_STRATEGY="all"
+    GLOBAL_HERMES_LOG_LEVEL="info"
 }
 
 install() {
@@ -187,6 +189,8 @@ load_config() {
   GLOBAL_ADD_TO_HERMES="$(stoml -q "$CONFIG_FILE" global.add_to_hermes || echo "$GLOBAL_ADD_TO_HERMES")"
   GLOBAL_WALLET_MNEMONIC="$(stoml -q "$CONFIG_FILE" global.wallet_mnemonic || echo "$GLOBAL_WALLET_MNEMONIC")"
   GLOBAL_WALLET_HDPATH="$(stoml -q "$CONFIG_FILE" global.wallet_hdpath || echo "$GLOBAL_WALLET_HDPATH")"
+  GLOBAL_HERMES_STRATEGY="$(stoml -q "$GLOBAL_HERMES_CONFIG" global.strategy || echo "$GLOBAL_HERMES_STRATEGY")"
+  GLOBAL_HERMES_LOG_LEVEL="$(stoml -q "$GLOBAL_HERMES_CONFIG" global.log_level || echo "$GLOBAL_HERMES_LOG_LEVEL")"
   export GLOBAL_GAIAD_BINARY
   export GLOBAL_HERMES_BINARY
   export GLOBAL_HOME_DIR
@@ -694,8 +698,8 @@ list_keys() {
 hermes_config() {
   cat <<EOF > "$GLOBAL_HERMES_CONFIG"
 [global]
-strategy = 'naive'
-log_level = 'info'
+strategy = '${GLOBAL_HERMES_STRATEGY}'
+log_level = '${GLOBAL_HERMES_LOG_LEVEL}'
 
 EOF
   for i in $ALL_NODES