fix migration setting version too soon

src/wanijo/infrastructure/repl.clj

@@ -16,15 +16,17 @@
     :pw (hashers/derive pw)
     :uuid (neo4j/uuid)}))
 
-(neo4j/defquery merge-config
+(neo4j/defquery init-config
   "MERGE (c:dbconfig)
       ON CREATE SET
          c.installed_at = {now},
          c.db_version = 0,
-         c.last_migration = ''
-      ON MATCH SET
-         c.last_migration = {now},
-         c.db_version = {version}")
+         c.last_migration = ''")
+
+(neo4j/defquery merge-config
+  "UPDATE (c:dbconfig)
+      SET c.last_migration = {now},
+          c.db_version = {version}")
 
 (neo4j/defquery config
   "MATCH (c:dbconfig) RETURN c")
@@ -74,7 +76,7 @@
   (neo4j/exec-query! ver-1-tag-uuid {}))
 
 (neo4j/defquery migrate-links
-  "MATCH (i1:instance)-[:link_from]-(l:link)-[:link_to]-(i2:instance),
+  "MATCH (i1:instance)-[lf:link_from]-(l:link)-[lt:link_to]-(i2:instance),
          (l)-[cb:created_by]->(:user)
    MERGE (i1)-[newl:link]->(i2)
    ON CREATE SET
@@ -92,8 +94,7 @@
    init-version-2])
 
 (defn run-migrations! []
-  (neo4j/exec-query! merge-config {:now (neo4j/now-str)
-                                   :version (count migrations)})
+  (neo4j/exec-query! init-config {:now (neo4j/now-str)})
   (let [version (-> (neo4j/exec-query! config {})
                    first
                    :c