From f81f4bc1d508b80b82de49198bbbd51b9e7ee4b4 Mon Sep 17 00:00:00 2001
From: Sophia Yang <171981480+yangyzs@users.noreply.github.com>
Date: Wed, 15 Jul 2026 14:18:38 -0400
Subject: [PATCH] chore: modernize post-processing for common-protos, iam, and
 showcase

Remove legacy owlbot.py scripts for java-common-protos, java-iam, and
java-showcase, and migrate their configurations to librarian.yaml.

For https://github.com/googleapis/librarian/issues/6832
---
 java-common-protos/owlbot.py | 52 ------------------------------------
 java-iam/owlbot.py           | 38 --------------------------
 java-showcase/owlbot.py      | 39 ---------------------------
 librarian.yaml               | 11 ++++++++
 4 files changed, 11 insertions(+), 129 deletions(-)
 delete mode 100644 java-common-protos/owlbot.py
 delete mode 100644 java-iam/owlbot.py
 delete mode 100644 java-showcase/owlbot.py

diff --git a/java-common-protos/owlbot.py b/java-common-protos/owlbot.py
deleted file mode 100644
index fec20b7561cc..000000000000
--- a/java-common-protos/owlbot.py
+++ /dev/null
@@ -1,52 +0,0 @@
-# Copyright 2020 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.
-
-import os
-import os.path
-import synthtool as s
-from synthtool.languages import java
-
-
-for library in s.get_staging_dirs():
-  # put any special-case replacements here
-  # TODO: remove this for the next major version bump
-  if os.path.exists("owl-bot-staging/v1/proto-google-common-protos/src/main/java/com/google/cloud/audit/BigQueryAuditMetadata.java"):
-    os.remove("owl-bot-staging/v1/proto-google-common-protos/src/main/java/com/google/cloud/audit/BigQueryAuditMetadata.java")
-  if os.path.exists("owl-bot-staging/v1/proto-google-common-protos/src/main/java/com/google/cloud/audit/BigQueryAuditMetadataOrBuilder.java"):
-    os.remove("owl-bot-staging/v1/proto-google-common-protos/src/main/java/com/google/cloud/audit/BigQueryAuditMetadataOrBuilder.java")
-  if os.path.exists("owl-bot-staging/v1/proto-google-common-protos/src/main/java/com/google/cloud/audit/BigQueryAuditMetadataProto.java"):
-    os.remove("owl-bot-staging/v1/proto-google-common-protos/src/main/java/com/google/cloud/audit/BigQueryAuditMetadataProto.java")
-  if os.path.exists("owl-bot-staging/v1/proto-google-common-protos/src/main/proto/google/cloud/audit/bigquery_audit_metadata.proto"):
-    os.remove("owl-bot-staging/v1/proto-google-common-protos/src/main/proto/google/cloud/audit/bigquery_audit_metadata.proto")
-  if os.path.exists("owl-bot-staging/v1/proto-google-common-protos/src/main/proto/google/cloud/common_resources.proto"):
-    os.remove("owl-bot-staging/v1/proto-google-common-protos/src/main/proto/google/cloud/common_resources.proto")
-  s.move(library)
-
-s.remove_staging_dirs()
-java.common_templates(
-    monorepo=True,
-    excludes=[
-        ".github/*",
-        ".kokoro/*",
-        "samples/*",
-        "CODE_OF_CONDUCT.md",
-        "CONTRIBUTING.md",
-        "LICENSE",
-        "SECURITY.md",
-        "java.header",
-        "license-checks.xml",
-        "README.md",
-        "renovate.json",
-        ".gitignore"
-])
diff --git a/java-iam/owlbot.py b/java-iam/owlbot.py
deleted file mode 100644
index dc410938cd4c..000000000000
--- a/java-iam/owlbot.py
+++ /dev/null
@@ -1,38 +0,0 @@
-# Copyright 2020 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.languages import java
-
-for library in s.get_staging_dirs():
-  # put any special-case replacements here
-  s.move(library)
-
-s.remove_staging_dirs()
-java.common_templates(monorepo=True,excludes=[
-  ".github/*",
-  ".kokoro/*",
-  "CODE_OF_CONDUCT.md",
-  "CONTRIBUTING.md",
-  "LICENSE",
-  "SECURITY.md",
-  "java.header",
-  "license-checks.xml",
-  "README.md",
-  "samples/*",
-  "renovate.json",
-  ".gitignore"
-])
diff --git a/java-showcase/owlbot.py b/java-showcase/owlbot.py
deleted file mode 100644
index bad5aa284878..000000000000
--- a/java-showcase/owlbot.py
+++ /dev/null
@@ -1,39 +0,0 @@
-# Copyright 2024 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
-#
-#     https://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.
-
-import synthtool as s
-from synthtool.languages import java
-
-
-for library in s.get_staging_dirs():
-    # put any special-case replacements here
-    s.move(library)
-
-s.remove_staging_dirs()
-java.common_templates(
-    monorepo=True,
-    excludes=[
-        ".github/*",
-        ".kokoro/*",
-        "samples/*",
-        "README.md",
-        "CODE_OF_CONDUCT.md",
-        "CONTRIBUTING.md",
-        "LICENSE",
-        "SECURITY.md",
-        "java.header",
-        "license-checks.xml",
-        "renovate.json",
-        ".gitignore"
-])
diff --git a/librarian.yaml b/librarian.yaml
index efa0a8790e49..205447cbf4f9 100644
--- a/librarian.yaml
+++ b/librarian.yaml
@@ -1050,6 +1050,14 @@ libraries:
       transport_override: grpc
       skip_pom_updates: true
       skip_api_id: true
+    keep:
+      - README.md
+    postprocess:
+      remove_file:
+        - proto-google-common-protos/src/main/proto/google/cloud/audit/bigquery_audit_metadata.proto
+        - proto-google-common-protos/src/main/java/com/google/cloud/audit/BigQueryAuditMetadata.java
+        - proto-google-common-protos/src/main/java/com/google/cloud/audit/BigQueryAuditMetadataProto.java
+        - proto-google-common-protos/src/main/java/com/google/cloud/audit/BigQueryAuditMetadataOrBuilder.java
   - name: compute
     version: 1.105.0-SNAPSHOT
     apis:
@@ -1977,6 +1985,8 @@ libraries:
           proto_artifact_id_override: proto-google-iam-v2beta
           generate_gapic: false
           samples: false
+    keep:
+      - README.md
     java:
       api_description_override: Manages access control for Google Cloud Platform resources
       artifact_id: proto-google-iam-v1
@@ -3379,6 +3389,7 @@ libraries:
     keep:
       - gapic-showcase/src/main/java/com/google/showcase/v1beta1/Version.java
       - gapic-showcase/src/test
+      - README.md
     roots:
       - showcase
       - googleapis