Move migrations script to typescript (#7075)

* Move migrations script to typescript

* Add release notes

* Setup

* Fix

* PR feedback

* Make imports work as expected

* Rabbit

packages/ci-actions/bin/check-migrations.ts

@@ -0,0 +1,60 @@
+// overview:
+// 1. Identify the migrations in packages/loot-core/migrations/* on `master` and HEAD
+// 2. Make sure that any new migrations on HEAD are dated after the latest migration on `master`.
+
+import { spawnSync } from 'child_process';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const migrationsDir = path.join(
+  path.dirname(fileURLToPath(import.meta.url)),
+  '..',
+  '..',
+  '..',
+  'packages',
+  'loot-core',
+  'migrations',
+);
+
+function readMigrations(ref: string) {
+  const { stdout } = spawnSync('git', [
+    'ls-tree',
+    '--name-only',
+    ref,
+    migrationsDir + '/',
+  ]);
+  const files = stdout.toString().split('\n').filter(Boolean);
+  console.log(`Found ${files.length} migrations on ${ref}.`);
+  return files
+    .map(file => path.basename(file))
+    .filter(file => !file.startsWith('.'))
+    .map(name => ({
+      date: parseInt(name.split('_')[0]),
+      name: name.match(/^\d+_(.+?)(\.sql)?$/)?.[1] ?? '***' + name,
+    }));
+}
+
+spawnSync('git', ['fetch', 'origin', 'master']);
+const masterMigrations = readMigrations('origin/master');
+const headMigrations = readMigrations('HEAD');
+
+const latestMasterMigration =
+  masterMigrations[masterMigrations.length - 1].date;
+const newMigrations = headMigrations.filter(
+  migration => !masterMigrations.find(m => m.name === migration.name),
+);
+const badMigrations = newMigrations.filter(
+  migration => migration.date <= latestMasterMigration,
+);
+
+if (badMigrations.length) {
+  console.error(
+    `The following migrations are dated before the latest migration on master:`,
+  );
+  badMigrations.forEach(migration => {
+    console.error(`  ${migration.name}`);
+  });
+  process.exit(1);
+} else {
+  console.log(`All migrations are dated after the latest migration on master.`);
+}