fix: don’t discard updateTypes rules before they’re applied

lib/workers/repository/updates/flatten.js

+const is = require('@sindresorhus/is');
 const {
   getManagerConfig,
   mergeChildConfig,
@@ -10,6 +11,11 @@ module.exports = {
   flattenUpdates,
 };
 
+// Return only rules that contain an updateType
+function getUpdateTypeRules(packageRules) {
+  return packageRules.filter(rule => !is.empty(rule.updateTypes));
+}
+
 function flattenUpdates(config, packageFiles) {
   const updates = [];
   for (const [manager, files] of Object.entries(packageFiles)) {
@@ -24,8 +30,10 @@ function flattenUpdates(config, packageFiles) {
             let updateConfig = mergeChildConfig(depConfig, update);
             delete updateConfig.updates;
             updateConfig = applyPackageRules(updateConfig);
-            // Now we're finished with these packageRules
-            updateConfig.packageRules = [];
+            // Keep only rules that haven't been applied yet (with updateTypes)
+            updateConfig.packageRules = getUpdateTypeRules(
+              updateConfig.packageRules
+            );
             // apply major/minor/patch/pin/digest
             updateConfig = mergeChildConfig(
               updateConfig,

test/workers/repository/updates/flatten.spec.js

@@ -14,6 +14,12 @@ describe('workers/repository/updates/flatten', () => {
   describe('flattenUpdates()', () => {
     it('flattens', async () => {
       config.lockFileMaintenance.enabled = true;
+      config.packageRules = [
+        {
+          updateTypes: ['minor'],
+          automerge: true,
+        },
+      ];
       const packageFiles = {
         npm: [
           {