chore: migrate default branch from master to main

owlbot.py

@@ -34,12 +34,67 @@
 # ----------------------------------------------------------------------------
 
 templated_files = common.py_library(cov_level=98, microgenerator=True)
-python.py_samples(skip_readmes=True)
 
 # the microgenerator has a good coveragerc file
 excludes = [".coveragerc"]
 s.move(
  templated_files, excludes=excludes
 )
 
+python.py_samples(skip_readmes=True)
+
+# Remove the replacements below once https://github.com/googleapis/synthtool/pull/1188 is merged
+
+# Update googleapis/repo-automation-bots repo to main in .kokoro/*.sh files
+s.replace(".kokoro/*.sh", "repo-automation-bots/tree/master", "repo-automation-bots/tree/main")
+
+# Customize CONTRIBUTING.rst to replace master with main
+s.replace(
+ "CONTRIBUTING.rst",
+ "fetch and merge changes from upstream into master",
+ "fetch and merge changes from upstream into main",
+)
+
+s.replace(
+ "CONTRIBUTING.rst",
+ "git merge upstream/master",
+ "git merge upstream/main",
+)
+
+s.replace(
+ "CONTRIBUTING.rst",
+ """export GOOGLE_CLOUD_TESTING_BRANCH=\"master\"""",
+ """export GOOGLE_CLOUD_TESTING_BRANCH=\"main\"""",
+)
+
+s.replace(
+ "CONTRIBUTING.rst",
+ "remote \(``master``\)",
+ "remote (``main``)",
+)
+
+s.replace(
+ "CONTRIBUTING.rst",
+ "blob/master/CONTRIBUTING.rst",
+ "blob/main/CONTRIBUTING.rst",
+)
+
+s.replace(
+ "CONTRIBUTING.rst",
+ "blob/master/noxfile.py",
+ "blob/main/noxfile.py",
+)
+
+s.replace(
+ "docs/conf.py",
+ "master_doc",
+ "root_doc",
+)
+
+s.replace(
+ "docs/conf.py",
+ "# The master toctree document.",
+ "# The root toctree document.",
+)
+
 s.shell.run(["nox", "-s", "blacken"], hide_output=False)