fixup

Author: erikd

.github/workflows/haskell.yml

@@ -147,14 +147,13 @@ jobs:
 
     - name: Check that Schema Migrations are complete
       run: |
-        ls -l schema/
         PGPASSFILE=config/pgpass-mainnet cabal run cardano-db-tool -- run-migrations --mdir schema/ --ldir /tmp/
         ls -l schema/
         git diff schema/ > schema.diff
         echo "*************************************************************"
         cat schema.diff
         echo "*************************************************************"
-        line_count="$(wc -l schema.diff)"
+        line_count="$(wc -l < schema.diff)"
         if test ${line_count} -ne 0 ; then
           echo "Schema diff"
           cat schema.diff