Add GitHub Actions workflow with Qt build support

[Copilot]

GitHub Actions Workflow for Qt Build - Complete ✅

• Explore repository structure and understand build requirements
• Create .github/workflows directory
• Create workflow file to build the project with Qt
  • Set up Ubuntu runner
  • Install Qt 5.15.2 using jurplel/install-qt-action@v3
  • Build with CMake (preferred build system)
  • Upload build artifacts from correct path (build/src/QRenju)
  • Add explicit permissions for security (contents: read)
  • Use actions/upload-artifact@v4 (latest version)
• Update .gitignore to exclude build artifacts
• Fix all security vulnerabilities (missing workflow permissions)
• Fix deprecation error (upload-artifact v3 → v4)
• Replace deprecated qrand() with QRandomGenerator
• Code review and security scanning completed with no issues
• Workflow ready and awaiting maintainer approval to run

Summary

Successfully created a complete GitHub Actions workflow that:

• Builds the QRenju Qt application using CMake
• Uses the latest stable actions (v3 for checkout, v4 for upload-artifact)
• Follows security best practices with explicit permissions
• Will automatically build on every push/PR to main or master branches
• Produces downloadable build artifacts
• Fixed deprecated qrand() usage per build feedback

Original prompt

Create the workflow file to build this repo in github actions. Use jurplel/install-qt-action. Check the build.

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[trett]

@copilot There is the error
‘int qrand()’ is deprecated: use QRandomGenerator instead [-Wdeprecated-declarations]
96 | QThread::msleep(qrand() % 200 + 300);
Fix it

[Copilot]

@copilot There is the error
‘int qrand()’ is deprecated: use QRandomGenerator instead [-Wdeprecated-declarations]
96 | QThread::msleep(qrand() % 200 + 300);...

Fixed in c00c890. Replaced qrand() % 200 + 300 with QRandomGenerator::global()->bounded(200) + 300 and added the QRandomGenerator include.

[Copilot]

Pull request overview

This PR adds a comprehensive GitHub Actions CI/CD workflow to automatically build the QRenju Qt application, along with necessary infrastructure updates including build artifact exclusions and modernization of deprecated Qt random number generation APIs.

Key Changes

• GitHub Actions workflow for automated builds using CMake and Qt 5.15.2
• Updated .gitignore to exclude Qt/CMake build artifacts
• Replaced deprecated qrand() with modern QRandomGenerator API

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated 1 comment.

File	Description
.github/workflows/build.yml	New CI/CD workflow that builds the project on Ubuntu using Qt 5.15.2 and uploads the resulting executable as an artifact
.gitignore	Added patterns to exclude CMake build directories and Qt-generated files (object files, moc files, resource files, etc.)
src/simpleai.cpp	Modernized random number generation by replacing deprecated qrand() with QRandomGenerator::global()->bounded() and added required header

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[Copilot]

Consider upgrading to actions/checkout@v4 for better performance and the latest features. Version v3 is now over two years old, and v4 has been the recommended version since September 2023. The upgrade is backward compatible and brings improvements in caching and Git LFS support.

Suggested change

	uses: actions/checkout@v3
	uses: actions/checkout@v4