chore: migrate to owl bot (#97)

* chore: migrate to owl bot

* chore: copy files from googleapis-gen 6a5da3f1274b088752f074da5bc9e30bd1beb27e

* chore: run the post processor

packages/google-cloud-build/.github/.OwlBot.lock.yaml

@@ -0,0 +1,4 @@
+docker:
+  digest: sha256:457583330eec64daa02aeb7a72a04d33e7be2428f646671ce4045dcbc0191b1e
+  image: gcr.io/repo-automation-bots/owlbot-python:latest  
+

packages/google-cloud-build/.github/.OwlBot.yaml

@@ -0,0 +1,26 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+docker:
+  image: gcr.io/repo-automation-bots/owlbot-python:latest
+
+deep-remove-regex:
+  - /owl-bot-staging
+
+deep-copy-regex:
+  - source: /google/devtools/cloudbuild/(v.*)/.*-py/(.*)
+    dest: /owl-bot-staging/$1/$2
+
+begin-after-commit-hash: 6a5da3f1274b088752f074da5bc9e30bd1beb27e
+

packages/google-cloud-build/owlbot.py

@@ -0,0 +1,80 @@
+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""This script is used to synthesize generated parts of this library."""
+
+import synthtool as s
+from synthtool import gcp
+
+common = gcp.CommonTemplates()
+
+default_version = "v1"
+
+for library in s.get_staging_dirs(default_version):
+    # Fix namespace
+    s.replace(
+        library / f"google/devtools/**/*.py",
+        f"google.devtools.cloudbuild_{library.name}",
+        f"google.cloud.devtools.cloudbuild_{library.name}",
+    )
+    s.replace(
+        library / f"tests/unit/gapic/**/*.py",
+        f"google.devtools.cloudbuild_{library.name}",
+        f"google.cloud.devtools.cloudbuild_{library.name}",
+    )
+    s.replace(
+        library / f"docs/**/*.rst",
+        f"google.devtools.cloudbuild_{library.name}",
+        f"google.cloud.devtools.cloudbuild_{library.name}",
+    )
+
+    # Rename package to `google-cloud-build`
+    s.replace(
+        [library / "**/*.rst", library / "*/**/*.py", library / "**/*.md"],
+        "google-cloud-devtools-cloudbuild",
+        "google-cloud-build"
+    )
+
+    s.move(library / "google/devtools/cloudbuild", "google/cloud/devtools/cloudbuild")
+    s.move(
+        library / f"google/devtools/cloudbuild_{library.name}",
+        f"google/cloud/devtools/cloudbuild_{library.name}"
+    )
+    s.move(library / "tests")
+    s.move(library / "scripts")
+    s.move(library / "docs", excludes=["index.rst"])
+
+s.remove_staging_dirs()
+
+# ----------------------------------------------------------------------------
+# Add templated files
+# ----------------------------------------------------------------------------
+templated_files = common.py_library(
+    samples=False,  # set to True only if there are samples
+    microgenerator=True,
+    cov_level=99,
+)
+s.move(templated_files, excludes=[".coveragerc"])  # microgenerator has a good .coveragerc file
+
+# TODO(busunkim): Use latest sphinx after microgenerator transition
+s.replace("noxfile.py", """['"]sphinx['"]""", '"sphinx<3.0.0"')
+
+s.replace(
+    "noxfile.py",
+    "google.cloud.cloudbuild",
+    "google.cloud.devtools.cloudbuild",
+)
+
+
+s.shell.run(["nox", "-s", "blacken"], hide_output=False)