feat(pr): pr edited body not comment

lib/config/__snapshots__/migration.spec.ts.snap

@@ -149,6 +149,7 @@ Object {
   "separateMajorReleases": true,
   "separateMinorPatch": true,
   "suppressNotifications": Array [
+    "lockFileErrors",
     "deprecationWarningIssues",
   ],
   "travis": Object {

lib/config/definitions.ts

@@ -1694,7 +1694,6 @@ const options: RenovateOptions[] = [
     default: ['deprecationWarningIssues'],
     allowedValues: [
       'prIgnoreNotification',
-      'prEditNotification',
       'branchAutomergeFailure',
       'lockFileErrors',
       'artifactErrors',

lib/config/migration.spec.ts

@@ -32,6 +32,7 @@ describe('config/migration', () => {
         gitFs: false,
         separateMajorReleases: true,
         separatePatchReleases: true,
+        suppressNotifications: ['lockFileErrors', 'prEditNotification'],
         automerge: 'none' as never,
         automergeMajor: false,
         automergeMinor: true,

lib/config/migration.ts

@@ -76,6 +76,13 @@ export function migrateConfig(
           );
         }
         delete migratedConfig.pathRules;
+      } else if (key === 'suppressNotifications') {
+        if (is.nonEmptyArray(val) && val.includes('prEditNotification')) {
+          isMigrated = true;
+          migratedConfig.suppressNotifications = migratedConfig.suppressNotifications.filter(
+            (item) => item !== 'prEditNotification'
+          );
+        }
       } else if (key === 'gomodTidy') {
         isMigrated = true;
         if (val) {

lib/workers/branch/index.spec.ts

@@ -190,6 +190,7 @@ describe('workers/branch', () => {
       platform.getBranchPr.mockResolvedValueOnce({
         state: PR_STATE_OPEN,
         isModified: true,
+        body: '**Rebasing**: something',
       } as never);
       const res = await branchWorker.processBranch(config);
       expect(res).toEqual('pr-edited');

lib/workers/branch/index.ts

@@ -48,6 +48,8 @@ function rebaseCheck(config: RenovateConfig, branchPr: any): boolean {
   return titleRebase || labelRebase || prRebaseChecked;
 }
 
+const rebasingRegex = /\*\*Rebasing\*\*: .*/;
+
 export async function processBranch(
   branchConfig: BranchConfig,
   prHourlyLimitReached?: boolean
@@ -158,44 +160,24 @@ export async function processBranch(
           );
           throw new Error(REPOSITORY_CHANGED);
         }
-        const topic = 'PR has been edited';
         if (
           branchPr.isModified ||
           (branchPr.targetBranch &&
             branchPr.targetBranch !== branchConfig.baseBranch)
         ) {
           logger.debug({ prNo: branchPr.number }, 'PR has been edited');
           if (masterIssueCheck || config.rebaseRequested) {
-            if (config.dryRun) {
-              logger.info(
-                'DRY-RUN: Would ensure PR edited comment removal in PR #' +
-                  branchPr.number
-              );
-            } else {
-              // Remove any "PR has been edited" comment only when rebasing
-              await platform.ensureCommentRemoval({
-                number: branchPr.number,
-                topic,
-              });
-            }
+            logger.debug('Manual rebase has been requested for PR');
           } else {
-            let content = emojify(
-              `:construction_worker: This PR has received other commits, so Renovate will stop updating it to avoid conflicts or other problems.`
+            const newBody = branchPr.body?.replace(
+              rebasingRegex,
+              '**Rebasing**: Renovate will not automatically rebase this PR, because other commits have been found.'
             );
-            content += ` If you wish to abandon your changes and have Renovate start over you may click the "rebase" checkbox in the PR body/description.`;
-            content += `\n\nIf you think this comment is in error and the branch is *not* modified, try deleting this comment. If it comes back again the next time Renovate runs, please submit an issue or seek config help.`;
-            if (!config.suppressNotifications.includes('prEditNotification')) {
-              if (config.dryRun) {
-                logger.info(
-                  'DRY-RUN: ensure comment in PR #' + branchPr.number
-                );
-              } else {
-                await platform.ensureComment({
-                  number: branchPr.number,
-                  topic,
-                  content,
-                });
-              }
+            if (newBody !== branchPr.body) {
+              logger.debug(
+                'Updating existing PR to indicate that rebasing is not possible'
+              );
+              await platform.updatePr(branchPr.number, branchPr.title, newBody);
             }
             return 'pr-edited';
           }