Override omero.db.name (fix #16)

omego assumes that the DBHOSE and DBNAME are set via
bin/omero config. DBNAME was previously *not* set to
prevent an accidental upgrade of a database. Here we
set DBNAME only if the database has not been created
elsewhere.

60-database.sh

@@ -16,8 +16,17 @@ else
     DBHOST=db
     $omero config set omero.db.host "$DBHOST"
 fi
+
+CONFIG_omero_db_name=${CONFIG_omero_db_name:-}
+if [ -n "$CONFIG_omero_db_name" ]; then
+    DBNAME="$CONFIG_omero_db_name"
+else
+    DBNAME=omero
+    # Delay setting in config until *after*
+    # the upgrade is attempted.
+fi
+
 DBUSER="${CONFIG_omero_db_user:-omero}"
-DBNAME="${CONFIG_omero_db_name:-omero}"
 DBPASS="${CONFIG_omero_db_pass:-omero}"
 ROOTPASS="${ROOTPASS:-omero}"
 
@@ -40,6 +49,8 @@ psql -w -h "$DBHOST" -U "$DBUSER" "$DBNAME" -c \
     echo "Upgrading database"
     $omego db upgrade --serverdir=OMERO.server
 } || {
+    $omero config set omero.db.host "$DBHOST"
+    $omero config set omero.db.name "$DBNAME"
     echo "Initialising database"
     $omego db init --rootpass "$ROOTPASS" --serverdir=OMERO.server
 }