build: changes for renaming primary branch to main (#24828)

Changes of the `DIRECT` phase for the "renaming master to
main" migration/planning doc.

(cherry picked from commit 090d40f)

.circleci/rebase-pr.js

@@ -157,7 +157,7 @@ function getShaFromRef(ref) {
  * by committerdate.
  *
  * example:
- *   upstream/master
+ *   upstream/main
  *   upstream/9.0.x
  *   upstream/test
  *   upstream/1.1.x

.ng-dev/github.ts

@@ -7,5 +7,5 @@ import {GithubConfig} from '@angular/dev-infra-private/ng-dev';
 export const github: GithubConfig = {
   owner: 'angular',
   name: 'components',
-  mainBranchName: 'master',
+  mainBranchName: 'main',
 };

renovate.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "automerge": false,
-  "baseBranches": ["master"],
+  "baseBranches": ["main"],
   "enabledManagers": ["npm", "bazel", "github-actions"],
   "stopUpdatingLabel": "merge ready",
   "labels": ["target: patch", "merge safe"],

scripts/deploy/publish-build-artifacts.sh

@@ -40,7 +40,7 @@ publishPackage() {
 
   buildDir="$(pwd)/dist/releases/${packageName}"
   buildVersion=$(node -pe "require('./package.json').version")
-  branchName=${CIRCLE_BRANCH:-'master'}
+  branchName=${CIRCLE_BRANCH:-'main'}
 
   commitSha=$(git rev-parse --short HEAD)
   commitAuthorName=$(git --no-pager show -s --format='%an' HEAD)

scripts/deploy/publish-docs-content.sh

@@ -34,7 +34,7 @@ docsContentRepoUrl="https://github.com/angular/material2-docs-content"
 buildVersion=$(node -pe "require('./package.json').version")
 
 # Name of the branch that is currently being deployed.
-branchName=${CIRCLE_BRANCH:-'master'}
+branchName=${CIRCLE_BRANCH:-'main'}
 
 # Additional information about the last commit for docs-content commits.
 commitSha=$(git rev-parse --short HEAD)