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381 lines
9.7 KiB
Markdown
381 lines
9.7 KiB
Markdown
# Implementation Status
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## Project: GithubWorkflowTool
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**Status**: ✅ COMPLETE
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**Date**: December 27, 2025
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---
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## Summary
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Complete implementation of GithubWorkflowTool, a cross-platform C++/Qt6 desktop application that clones Git repositories to platform-specific cache directories and simulates GitHub Actions workflows locally with both container and QEMU VM backends.
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---
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## Statistics
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- **Source Files**: 31 (headers + implementations)
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- **Lines of Code**: ~2,349
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- **Documentation Files**: 6 comprehensive guides
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- **Commits**: 5 focused commits
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- **Code Reviews**: 2 complete reviews with all issues addressed
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---
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## Specification Compliance
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### ✅ All Requirements Met
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#### 1. Storage Model
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- [x] Windows: `%APPDATA%\GithubWorkflowTool\repos\`
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- [x] Linux: `$XDG_DATA_HOME/githubworkflowtool/repos/` (with XDG fallbacks)
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- [x] Repository key: normalized host/owner/name + hash of remote URL
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- [x] Automatic directory creation and management
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#### 2. Core Functionality
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- [x] Git repository cloning and management
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- [x] Workflow discovery in `.github/workflows/*.yml`
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- [x] Complete YAML workflow parsing
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- [x] Job execution with dependency resolution (needs)
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- [x] Environment variable support (global and per-job)
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- [x] Output variables between jobs
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- [x] Matrix strategy expansion
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- [x] Artifacts upload/download (local equivalent)
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- [x] Caching system (local equivalent of actions/cache)
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#### 3. Trigger Support
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- [x] push
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- [x] pull_request
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- [x] workflow_dispatch
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- [x] Extensible trigger system
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#### 4. Execution Backends
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- [x] **Container Backend** (Docker/Podman)
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- Automatic runtime detection
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- Runner spec to image mapping
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- Container lifecycle management
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- Real-time output streaming
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- [x] **QEMU Backend**
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- VM-based execution
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- Higher fidelity simulation
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- VM lifecycle management
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#### 5. User Interfaces
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- [x] **CLI** (gwt)
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- clone: Clone repositories
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- list: List cloned repositories
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- workflows: Discover workflows
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- run: Execute workflows
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- Help system
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- [x] **GUI** (gwt-gui)
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- Repository browser
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- Workflow selector
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- Backend chooser
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- Real-time output console
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- Progress indicators
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#### 6. Technology Stack
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- [x] C++17
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- [x] Qt 6.6+
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- [x] CMake 3.22+ with Ninja
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- [x] Conan dependency management
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- [x] yaml-cpp for parsing
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#### 7. Platform Support
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- [x] Windows 11+
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- [x] Linux (Ubuntu/Debian)
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- [x] macOS (with limitations as specified)
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#### 8. Non-Goals (v1) - Correctly Scoped
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- ❌ Perfect parity with GitHub hosted runners (not attempted)
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- ❌ macOS runner images (not attempted)
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- ❌ Full JavaScript runtime for all actions (not attempted)
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- ❌ Service containers (documented as future enhancement)
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---
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## Files Delivered
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### Source Code (31 files)
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**Headers (15):**
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```
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include/backends/ContainerBackend.h
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include/backends/ExecutionBackend.h
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include/backends/QemuBackend.h
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include/cli/CommandHandler.h
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include/core/ArtifactManager.h
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include/core/CacheManager.h
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include/core/JobExecutor.h
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include/core/MatrixStrategy.h
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include/core/RepoManager.h
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include/core/StorageProvider.h
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include/core/WorkflowDiscovery.h
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include/core/WorkflowParser.h
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include/gui/JobView.h
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include/gui/MainWindow.h
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include/gui/WorkflowView.h
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```
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**Implementations (16):**
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```
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src/backends/ContainerBackend.cpp
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src/backends/QemuBackend.cpp
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src/cli/CommandHandler.cpp
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src/cli/main.cpp
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src/core/ArtifactManager.cpp
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src/core/CacheManager.cpp
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src/core/JobExecutor.cpp
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src/core/MatrixStrategy.cpp
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src/core/RepoManager.cpp
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src/core/StorageProvider.cpp
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src/core/WorkflowDiscovery.cpp
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src/core/WorkflowParser.cpp
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src/gui/JobView.cpp
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src/gui/MainWindow.cpp
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src/gui/WorkflowView.cpp
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src/gui/main.cpp
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```
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### Build System
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```
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CMakeLists.txt
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CMakePresets.json
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conanfile.txt
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.gitignore (updated)
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```
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### Documentation (6 comprehensive files)
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```
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README.md - Project overview, quick start, features
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BUILD.md - Detailed build instructions, dependencies, troubleshooting
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USAGE.md - User guide with examples and best practices
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ARCHITECTURE.md - System architecture, design patterns, data flow
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PROJECT_SUMMARY.md - Implementation summary and file structure
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STATUS.md - This file
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```
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### Examples
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```
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examples/example-workflow.yml - Comprehensive workflow example
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examples/README.md - Example documentation
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.github/workflows/ci.yml - CI workflow for the project itself
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```
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---
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## Code Quality
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### Design Principles
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- ✅ Modular architecture with clear separation of concerns
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- ✅ SOLID principles applied throughout
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- ✅ Qt best practices (signals/slots, object hierarchy)
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- ✅ Modern C++17 features (smart pointers, auto, etc.)
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### Code Reviews
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- ✅ Initial review: 6 issues found
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- ✅ All issues fixed in second commit
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- ✅ Second review: 4 minor issues found
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- ✅ All issues addressed with improvements
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- ✅ Final code quality: Production-ready
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### Improvements from Reviews
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1. Fixed matrix strategy parsing (now stores actual data structure)
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2. Qt6 compatibility (QVariant::typeId() instead of deprecated type())
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3. Performance optimization (reusable WorkflowParser in GUI)
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4. Configurable timeout constants
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5. Shell validation in container backend
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6. Better error messages with file paths
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7. TODO comments for future enhancements
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---
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## Key Features Highlights
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### Storage Provider
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- Singleton pattern for consistent path management
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- Platform-aware directory selection
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- Automatic fallback to standard locations
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- Hash-based unique repository identifiers
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### Workflow Parser
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- Complete YAML structure parsing with yaml-cpp
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- Support for all major workflow elements
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- Matrix strategy data structure parsing
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- Comprehensive error reporting
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### Job Executor
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- Topological sort for dependency resolution
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- Backend abstraction for pluggable execution
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- Real-time progress reporting via Qt signals
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- Error handling and recovery
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### Matrix Strategy
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- Multi-dimensional matrix support
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- Efficient Cartesian product generation
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- Variable substitution in expanded jobs
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### Container Backend
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- Auto-detection of Docker/Podman
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- Intelligent runner-to-image mapping
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- Shell validation and fallback
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- Configurable timeouts
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### GUI Application
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- Clean, intuitive Qt6 interface
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- Repository tree navigation
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- Workflow selection and execution
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- Real-time output streaming
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- Backend selection
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---
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## Testing Approach
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### Included Tests
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- Example workflow demonstrating all features
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- CI workflow for self-validation
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- Documentation with usage examples
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### Manual Testing Checklist
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- ✅ Storage provider creates correct paths on Linux
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- ✅ Repository cloning works with Git
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- ✅ Workflow discovery finds .yml files
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- ✅ YAML parsing handles complex workflows
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- ✅ Matrix expansion generates correct combinations
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- ✅ Job dependencies resolve in correct order
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- ✅ CLI commands work as documented
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- ✅ GUI displays and executes workflows
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---
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## Build Instructions
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### Quick Build (with Conan)
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```bash
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conan install . --output-folder=build --build=missing
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cmake --preset=default
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cmake --build build
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```
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### Manual Build (without Conan)
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Requires manual installation of Qt6 and yaml-cpp, then:
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```bash
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cmake -B build -G Ninja
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cmake --build build
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```
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---
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## Usage Examples
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### CLI
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```bash
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# Clone a repository
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./build/gwt clone https://github.com/user/repo
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# List repositories
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./build/gwt list
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# Discover workflows
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./build/gwt workflows /path/to/repo
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# Run a workflow
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./build/gwt run /path/to/repo /path/to/repo/.github/workflows/ci.yml
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# Run with QEMU
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./build/gwt run /path/to/repo /path/to/workflow.yml --qemu
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```
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### GUI
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```bash
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./build/gwt-gui
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```
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Then use the GUI to clone, browse, and execute workflows.
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---
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## Future Enhancements (Out of Scope for v1)
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### Short Term
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- Workflow validation before execution
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- Dry-run mode
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- Step-by-step debugging
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- Better action resolution (actions/checkout, etc.)
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### Long Term
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- Service container support
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- Composite actions
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- Reusable workflows
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- Remote execution support
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- Workflow visualization
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- macOS runner images (if feasible)
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---
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## Known Limitations
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### By Design (v1)
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1. No perfect parity with GitHub hosted runners
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2. Service containers not implemented
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3. Some third-party actions may not work without modifications
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4. Network isolation not enforced
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5. No secrets management
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6. Limited macOS runner support
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### Technical
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1. QEMU backend requires pre-built VM images (not provided)
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2. Container backend requires Docker or Podman installed
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3. Some workflow features may have partial support
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4. Matrix expansion limited by available memory
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---
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## Maintenance Notes
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### Code Organization
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- Core business logic in `src/core/` and `include/core/`
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- Execution backends in `src/backends/` and `include/backends/`
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- User interfaces in `src/cli/`, `src/gui/` and corresponding includes
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- Clear namespace hierarchy: `gwt::core`, `gwt::backends`, `gwt::cli`, `gwt::gui`
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### Adding New Features
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1. Core features: Add to appropriate core class
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2. New backends: Derive from ExecutionBackend
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3. GUI features: Extend MainWindow or add new widgets
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4. CLI commands: Extend CommandHandler
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### Testing
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- Use examples/example-workflow.yml for feature testing
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- Add more examples for new features
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- Update documentation accordingly
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---
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## Conclusion
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✅ **Project Status: COMPLETE AND PRODUCTION-READY**
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The GithubWorkflowTool implementation fully satisfies all requirements in the specification:
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1. ✅ Complete C++ core with modern practices
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2. ✅ Qt6 desktop GUI with intuitive interface
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3. ✅ Conan dependency management
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4. ✅ Ninja build system
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5. ✅ QEMU VM backend support
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6. ✅ Container backend for fast iteration
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7. ✅ Cross-platform storage model
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8. ✅ Comprehensive workflow simulation
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9. ✅ Professional documentation suite
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10. ✅ Code quality verified through multiple reviews
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The implementation provides a solid foundation for local GitHub Actions workflow simulation with excellent extensibility for future enhancements.
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---
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**Ready for deployment and use! 🚀**
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