generate migration by next id number

README.md

@@ -14,4 +14,5 @@ PaaS - creates easily deployable declarative web applications with (moslty) file
 
 ## TODO
 * [ ] [vm_gen] Auto generate dependency graph for `view_models/_process_order`
-* [ ] [auto_dns] Start and test `auto_dns.service`
+* [ ] [auto_dns] Start and test `auto_dns.service`
+* [ ] [migrations] ALTER doesn't work with sqlite3

oshipka.sh

@@ -208,7 +208,8 @@ model() {
 db_migrate() {
    shift
    source venv/bin/activate
-   python manager.py db migrate
+   next_id=$(printf "%03d" $(($(ls -la migrations/versions/*.py | wc -l)+1)))
+   python manager.py db migrate -m "${next_id}"
    _post_migrate
 }