revert sql format changes

.woodpecker.yml

@@ -51,13 +51,9 @@ steps:
 
   sql_fmt:
     group: format
-    image: perl:stable
+    image: backplane/pgformatter:latest
     commands:
-      - apt update
-      - apt install -y --no-install-recommends --no-install-suggests pgformatter
-      - find migrations -type f -name '*.sql' -exec pg_format -i {} +
-      # ensure that formatting doesn't result in any git changes
-      - git diff --exit-code
+      - ./scripts/sql_format_check.sh
 
   cargo_fmt:
     group: format

scripts/sql_format_check.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+set -e
+
+# This check is only used for CI.
+
+CWD="$(cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
+
+cd $CWD/../
+
+find migrations -type f -name "*.sql" -print0 | while read -d $'\0' FILE
+do
+  TMP_FILE="/tmp/tmp_pg_format.sql"
+  pg_format $FILE > $TMP_FILE
+  diff -u $FILE $TMP_FILE
+done