engine=spotless

nb_files_neither_included_nor_excluded: 2
nb_files_formatted: 1
eventKey: random-45d83b03-63da-4530-b466-88f233119e60

DISK_SPACE_OPTIMIZATION.md

@@ -1,9 +1,11 @@
 # suyuOS Build Disk Space Optimization
 
 ## Problem
+
 The GitHub Actions workflow was failing with "No space left on device" errors during the suyuOS ISO build process. The error occurred because the build process was extremely disk-intensive, consuming more space than available on GitHub Actions runners (~14GB limit).
 
 ## Root Causes
+
 1. **Large Package Installations**: Multiple pacman operations installing Qt5, Vulkan, gaming dependencies without cleanup
 2. **Massive Emulator Repository Cloning**: Full recursive clones of 4+ large emulator repositories (suyu, eden, horinux, holoiso)
 3. **Intensive Pre-building**: Full compilation of multiple emulators during CI, consuming several GB
@@ -14,34 +16,40 @@ The GitHub Actions workflow was failing with "No space left on device" errors du
 ## Implemented Solutions
 
 ### 1. Comprehensive Disk Space Monitoring
+
 - Added disk usage reporting functions that show space consumption at each major step
 - Implemented memory usage monitoring
 - Added cleanup functions for pacman cache and temporary files
 - Integrated monitoring throughout the entire workflow
 
 ### 2. Optimized Package Management
+
 - **Consolidated Installations**: Combined multiple pacman operations into fewer, more efficient calls
 - **Progressive Cleanup**: Added cache cleanup after each package installation phase
 - **Conditional Dependencies**: Gaming dependencies only installed for release builds
 - **Efficient Flags**: Used `--needed` flag to avoid reinstalling existing packages
 
 ### 3. Revolutionary Emulator Build Strategy
+
 - **Eliminated Pre-building**: Replaced massive emulator compilation with lightweight build script preparation
 - **Source References**: Created URL reference files instead of full repository clones
 - **Deferred Building**: Moved actual emulator compilation to post-ISO creation or made it optional
 - **Minimal Testing Clones**: Only clone small repositories for debug/testing builds
 
 ### 4. Optimized Build Environment
+
 - **Efficient Working Directory**: Moved from `/tmp/suyuos-build` to `/workspace/suyuos-build-work` to avoid system conflicts
 - **Lightweight Source Copying**: Copy only build scripts and references instead of full source trees
 - **Progressive Cleanup**: Clean up intermediate files during the build process
 
 ### 5. Enhanced Build Process
+
 - **Pre-build Cleanup**: Clean caches and temporary files before starting ISO build
 - **Better Error Handling**: Show disk usage and logs when build fails
 - **Post-build Cleanup**: Remove large working directories after successful build
 
 ### 6. Updated Build Scripts
+
 - **Modernized build-emulators**: Updated to work with new lightweight approach
 - **Disk Space Awareness**: Added disk space checking in build scripts
 - **Graceful Fallbacks**: Create placeholder executables when builds fail due to space constraints
@@ -50,6 +58,7 @@ The GitHub Actions workflow was failing with "No space left on device" errors du
 ## Key Changes Made
 
 ### GitHub Actions Workflow (.github/workflows/build-iso.yml)
+
 - Added comprehensive disk space monitoring functions
 - Optimized package installation with progressive cleanup
 - Replaced emulator cloning with lightweight source preparation
@@ -59,12 +68,14 @@ The GitHub Actions workflow was failing with "No space left on device" errors du
 - Added post-build cleanup step
 
 ### Build Script (airootfs/usr/local/bin/build-emulators)
+
 - Updated to work with prepared build scripts instead of full clones
 - Added disk space checking and cleanup functions
 - Implemented graceful fallbacks for failed builds
 - Optimized for space-constrained environments
 
 ## Expected Results
+
 1. **Reduced Disk Usage**: Build process should use 60-80% less disk space
 2. **Successful Builds**: Eliminate "No space left on device" errors
 3. **Maintained Functionality**: All suyuOS features preserved in final ISO
@@ -73,19 +84,23 @@ The GitHub Actions workflow was failing with "No space left on device" errors du
 6. **Improved Reliability**: Better error handling and recovery
 
 ## Monitoring and Validation
+
 - Disk usage is reported at each major step
 - Build logs include space consumption patterns
 - Failed builds show disk usage for debugging
 - Progressive cleanup ensures space is freed during build
 
 ## Backward Compatibility
+
 - All existing suyuOS functionality is preserved
 - ISO structure and content remain unchanged
 - Build artifacts and release process unchanged
 - Emulator availability maintained (with fallbacks if needed)
 
 ## Future Improvements
+
 - Consider using GitHub Actions with larger runners for complex builds
 - Implement build caching for repeated operations
 - Add automatic cleanup of old artifacts
-- Consider splitting build into multiple jobs for better resource management
+- Consider splitting build into multiple jobs for better resource management
+