chore(python): rename default branch to main (#569)

.github/.OwlBot.lock.yaml

@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/repo-automation-bots/owlbot-python:latest
-  digest: sha256:1456ea2b3b523ccff5e13030acef56d1de28f21249c62aa0f196265880338fa7
+  digest: sha256:0ffe3bdd6c7159692df5f7744da74e5ef19966288a6bf76023e8e04e0c424d7d

docs/conf.py

@@ -76,8 +76,8 @@
 # The encoding of source files.
 # source_encoding = 'utf-8-sig'
 
-# The master toctree document.
-master_doc = "index"
+# The root toctree document.
+root_doc = "index"
 
 # General information about the project.
 project = "google-cloud-storage"
@@ -280,7 +280,7 @@
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
     (
-        master_doc,
+        root_doc,
         "google-cloud-storage.tex",
         "google-cloud-storage Documentation",
         author,
@@ -315,7 +315,7 @@
 # (source start file, name, description, authors, manual section).
 man_pages = [
     (
-        master_doc,
+        root_doc,
         "google-cloud-storage",
         "google-cloud-storage Documentation",
         [author],
@@ -334,7 +334,7 @@
 #  dir menu entry, description, category)
 texinfo_documents = [
     (
-        master_doc,
+        root_doc,
         "google-cloud-storage",
         "google-cloud-storage Documentation",
         author,

owlbot.py

@@ -50,32 +50,3 @@
 python.py_samples(skip_readmes=True)
 
 s.shell.run(["nox", "-s", "blacken"], hide_output=False)
-
-# ----------------------------------------------------------------------------
-# Main Branch migration
-# ----------------------------------------------------------------------------
-
-s.replace(
-  "*.rst",
-  "master",
-  "main"
-)
-
-s.replace(
-  "*.rst",
-  "google-cloud-python/blob/main",
-  "google-cloud-python/blob/master"
-)
-
-s.replace(
-  "CONTRIBUTING.rst",
-  "kubernetes/community/blob/main",
-  "kubernetes/community/blob/master"
-)
-
-s.replace(
-  ".kokoro/*",
-  "master",
-  "main"
-)
-