build: add scripts to repack the prebuilt ruby version (#1200)

* build: add bash scripts to prebuild

* Update prebuild.sh

---------

Co-authored-by: Viacheslav Rostovtsev <[email protected]>

Author: chingor13

rules_ruby_gapic/prebuilt/prebuild.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+# Copyright 2025 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.
+
+set -eo pipefail
+
+env
+pwd
+bazel --version
+
+mkdir -p output
+OUTPUT_DIR=$(realpath output)
+
+bazel build //rules_ruby_gapic/ruby:ruby_context
+
+RUBY_DIRECTORY=$(ls -d "${HOME}"/.cache/bazel/*/*/external/ruby_runtime)
+RUBY_VERSION=$(echo 'puts RUBY_VERSION' | "${RUBY_DIRECTORY}/bin/ruby")
+echo "Ruby version: $RUBY_VERSION, packing..."
+RUBY_ARCHIVE_DIR="ruby-$RUBY_VERSION"
+RUBY_TARBALL_FILENAME="ruby-${RUBY_VERSION}_glinux_x86_64.tar.gz"
+mkdir -p "$RUBY_ARCHIVE_DIR"
+cp -r "$RUBY_DIRECTORY"/bin "$RUBY_DIRECTORY"/include "$RUBY_DIRECTORY"/lib "$RUBY_ARCHIVE_DIR"
+tar cfz "${OUTPUT_DIR}/${RUBY_TARBALL_FILENAME}" "$RUBY_ARCHIVE_DIR"
+echo "Done: $RUBY_TARBALL_FILENAME"
+ls -alh "${OUTPUT_DIR}/${RUBY_TARBALL_FILENAME}"

rules_ruby_gapic/prebuilt/update_prebuilt_ruby.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+# Copyright 2025 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.
+
+set -eo pipefail
+
+if [[ -z "${GOOGLEAPIS_IMAGE}" ]]
+then
+  echo "GOOGLEAPIS_IMAGE not set, defaulting to gcr.io/gapic-images/googleapis:prod"
+  GOOGLEAPIS_IMAGE="gcr.io/gapic-images/googleapis:prod"
+fi
+
+branch="update-binary-`date +%Y%m%dT%H%M%S`"
+sourceRoot=$(git rev-parse --show-toplevel)
+echo "sourceRoot: ${sourceRoot}"
+
+docker run --rm \
+  --volume "${sourceRoot}":/workspace \
+  --workdir "/workspace" \
+  --entrypoint "/workspace/rules_ruby_gapic/prebuilt/prebuild.sh" \
+  "${GOOGLEAPIS_IMAGE}"
+
+git checkout -b "${branch}"
+rm -rf rules_ruby_gapic/prebuilt/ruby-*.tar.gz
+cp output/ruby-*.tar.gz  rules_ruby_gapic/prebuilt
+git add rules_ruby_gapic/prebuilt/
+git commit -m "fix: update Ruby prebuilt binary"
+echo "Pushing Ruby branch to GitHub..."
+git push --set-upstream origin "${branch}"
+
+echo "Please create pull requests:"
+echo "  https://github.com/googleapis/gapic-generator-ruby/pull/new/${branch}"