fix: ignore branchPrefix for onboarding branch

lib/workers/repository/onboarding/branch/check.js

@@ -21,12 +21,8 @@ const packageJsonRenovateExists = async () => {
   return false;
 };
 
-const closedPrExists = config =>
-  platform.findPr(
-    `${config.branchPrefix}configure`,
-    'Configure Renovate',
-    '!open'
-  );
+const closedPrExists = () =>
+  platform.findPr(`renovate/configure`, 'Configure Renovate', '!open');
 
 const isOnboarded = async config => {
   logger.debug('isOnboarded()');
@@ -51,12 +47,8 @@ const isOnboarded = async config => {
   return false;
 };
 
-const onboardingPrExists = config =>
-  platform.findPr(
-    `${config.branchPrefix}configure`,
-    'Configure Renovate',
-    'open'
-  );
+const onboardingPrExists = () =>
+  platform.findPr(`renovate/configure`, 'Configure Renovate', 'open');
 
 module.exports = {
   isOnboarded,

lib/workers/repository/onboarding/branch/create.js

@@ -1,11 +1,11 @@
-async function createOnboardingBranch(config) {
+async function createOnboardingBranch() {
   logger.debug('Creating onboarding branch');
   const renovateJson = {
     extends: ['config:base'],
   };
   logger.info({ renovateJson }, 'Creating onboarding branch');
   await platform.commitFilesToBranch(
-    `${config.branchPrefix}configure`,
+    `renovate/configure`,
     [
       {
         name: 'renovate.json',

lib/workers/repository/onboarding/branch/index.js

@@ -26,8 +26,8 @@ async function checkOnboardingBranch(config) {
     logger.info('Need to create onboarding PR');
     await createOnboardingBranch(config);
   }
-  await platform.setBaseBranch(`${config.branchPrefix}configure`);
-  const branchList = [`${config.branchPrefix}configure`];
+  await platform.setBaseBranch(`renovate/configure`);
+  const branchList = [`renovate/configure`];
   return { ...config, repoIsOnboarded, branchList };
 }
 

lib/workers/repository/onboarding/branch/rebase.js

@@ -1,6 +1,6 @@
-async function rebaseOnboardingBranch(config) {
+async function rebaseOnboardingBranch() {
   logger.debug('Checking if onboarding branch needs rebasing');
-  const prShort = await platform.getBranchPr(`${config.branchPrefix}configure`);
+  const prShort = await platform.getBranchPr(`renovate/configure`);
   const pr = await platform.getPr(prShort.number);
   if (!pr.isStale) {
     logger.info('Onboarding branch is up to date');
@@ -9,7 +9,7 @@ async function rebaseOnboardingBranch(config) {
   const renovateJson = {
     extends: ['config:base'],
   };
-  const onboardingBranch = `${config.branchPrefix}configure`;
+  const onboardingBranch = `renovate/configure`;
   let contents = JSON.stringify(renovateJson, null, 2) + '\n';
   if (!pr.canRebase) {
     const prFiles = await platform.getPrFiles(pr.number);