1 files changed, 67 insertions, 0 deletions
diff --git a/tools/bump.py b/tools/bump.py
new file mode 100755
index 0000000..3563275
--- /dev/null
+++ b/tools/bump.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2020 The Android Open Source Project
+#
+# 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.
+#
+
+"""
+Creates new kernel configs for the next compatibility matrix.
+"""
+
+import argparse
+import datetime
+import os
+import shutil
+import subprocess
+
+def check_call(*args, **kwargs):
+    print(args[0])
+    subprocess.check_call(*args, **kwargs)
+
+def replace_configs_module_name(current_release, new_release, file_path):
+    check_call("sed -i'' -E 's/\"kernel_config_{}_([0-9.]*)\"/\"kernel_config_{}_\\1\"/g' {}"
+                .format(current_release, new_release, file_path), shell=True)
+
+class Bump(object):
+    def __init__(self, cmdline_args):
+        top = os.environ["ANDROID_BUILD_TOP"]
+        self.current_release = cmdline_args.current
+        self.new_release = cmdline_args.next
+        self.configs_dir = os.path.join(top, "kernel/configs")
+        self.current_release_dir = os.path.join(self.configs_dir, self.current_release)
+        self.new_release_dir = os.path.join(self.configs_dir, self.new_release)
+        self.versions = [e for e in os.listdir(self.current_release_dir) if e.startswith("android-")]
+
+    def run(self):
+        shutil.copytree(self.current_release_dir, self.new_release_dir)
+        for version in self.versions:
+            dst = os.path.join(self.new_release_dir, version)
+            for file_name in os.listdir(dst):
+                abs_path = os.path.join(dst, file_name)
+                if not os.path.isfile(abs_path):
+                    continue
+                year = datetime.datetime.now().year
+                check_call("sed -i'' -E 's/Copyright \\(C\\) [0-9]{{4,}}/Copyright (C) {}/g' {}".format(year, abs_path), shell=True)
+                replace_configs_module_name(self.current_release, self.new_release, abs_path)
+
+def main():
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument('current', type=str, help='name of the current version (e.g. v)')
+    parser.add_argument('next', type=str, help='name of the next version (e.g. w)')
+    cmdline_args = parser.parse_args()
+
+    Bump(cmdline_args).run()
+
+if __name__ == '__main__':
+    main()