Add workflow to automate Gradle wrapper updates in shared

[Copilot]

The Gradle wrapper in shared/ requires frequent manual updates. This adds automation via workflow_dispatch.

Changes

• New workflow .github/workflows/gradle-wrapper-update.yml

  • Manual trigger with inputs: gradle-version and gradle-distribution-sha256-sum
  • Checkouts mtransit-for-android main repo, runs .github/actions/setup composite action
  • Updates wrapper at repo root: ./gradlew wrapper --gradle-version <version> --gradle-distribution-sha256-sum=<checksum>
  • Copies gradle/, gradlew, gradlew.bat to commons/shared/
  • Commits to commons submodule and creates PR
  • Explicit permissions: contents: write, pull-requests: write

• Updated .gitignore to exclude .gradle/ build artifacts

Usage

gh workflow run gradle-wrapper-update.yml --ref <branch> \
  -f gradle-version=8.13 \
  -f gradle-distribution-sha256-sum=<sha256>

SHA256 checksums available at: https://gradle.org/release-checksums/

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• docs.gradle.org
  • Triggering command: /home/REDACTED/work/_temp/ghcca-node/node/bin/node /home/REDACTED/work/_temp/ghcca-node/node/bin/node --enable-source-maps /home/REDACTED/work/_temp/copilot-developer-action-main/dist/index.js (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Create CI workflow to update gradle wrapper</issue_title>
<issue_description>Gradle wrapper in shared needs to be updated often.

Please not that in regular gradle project, the gradl* files and directory are expected to be at the root of the project.
Probably need to checkout main repo https://github.com/mtransitapps/mtransit-for-android and then run ./.github/actions/setup composite action before updating gradle wrapper.
Then will need to copy gradle* files and directory to commons/shared/ (with cp -R ./gradle* commons/shared/) before creating the PR in commons submodule

Create CI workflow with inputs for gradle-version and gradle-distribution-sha256-sum

The Gradle command to update is:
./gradlew wrapper --gradle-version <gradle-version> --gradle-distribution-sha256-sum=<gradle-distribution-sha256-sum>

The sha can be found here: https://gradle.org/release-checksums/ (link should be in CI input description)

Can use this Github action

• https://github.com/marketplace/actions/update-gradle-wrapper-action

Similar to: .github/workflows/gradle-wrapper-validation.yml

</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Create CI workflow to update gradle wrapper #544

---

💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.