Merge pull request #11 from vulcanize/latest-schema

Check schema is latest version.

.github/workflows/on-pr.yaml

@@ -18,3 +18,7 @@ jobs:
           docker run --rm --network host -e DATABASE_USER=vdbm -e DATABASE_PASSWORD=password \
           -e DATABASE_HOSTNAME=127.0.0.1 -e DATABASE_PORT=5432 -e DATABASE_NAME=vulcanize_public \
           vulcanize/statediff-migrations
+      - name: Verify schema is latest
+        run: |
+          PGPASSWORD="password" pg_dump -h localhost -p 5432 -U vdbm vulcanize_public --no-owner --schema-only > schema.sql
+          ./scripts/check_diff.sh

db/schema.sql

@@ -3,7 +3,7 @@
 --
 
 -- Dumped from database version 10.12
--- Dumped by pg_dump version 13.3
+-- Dumped by pg_dump version 13.4 (Ubuntu 13.4-1.pgdg20.04+1)
 
 SET statement_timeout = 0;
 SET lock_timeout = 0;

scripts/check_diff.sh

@@ -0,0 +1,7 @@
+lines=$( git diff --no-index db/schema.sql schema.sql | wc -l )
+if [ $lines -gt 0 ]; then
+    echo "There are differences in schema"
+    git diff --no-index db/schema.sql schema.sql
+    exit 1
+fi
+echo "Schema is latest"