donaldzitzer406-lang commented on PR #2407: URL: https://github.com/apache/maven/pull/2407#issuecomment-6076124538
> ## Core Features > ### Maven Upgrade Tool (mvnup) > * New `mvnup` command-line tool with check/apply workflow > * Automatic POM discovery and multi-module project support > * Model version upgrades from 4.0.0 to 4.1.0 with namespace updates > * Intelligent inference to remove redundant information in Maven 4.1.0+ models > * Comprehensive plugin compatibility upgrades for Maven 4 > > ### Plugin Compatibility & Upgrades > * Automatic plugin version upgrades for Maven 4 compatibility: > > * `maven-exec-plugin` → 3.2.0+ > * `maven-enforcer-plugin` → 3.0.0+ > * `flatten-maven-plugin` → 1.2.7+ > * `maven-shade-plugin` → 3.5.0+ > * `maven-remote-resources-plugin` → 3.0.0+ > * Parent POM plugin detection with proper XML formatting > * Plugin management section creation with correct element ordering > * Property-based version management support > > ### Maven 4 Compatibility Fixes > * Fix unsupported `combine.children` attributes (`override` → `merge`) > * Fix unsupported `combine.self` attributes (`append` → `merge`) > * Remove duplicate dependencies in `dependencyManagement` sections > * Remove duplicate plugins in `pluginManagement` sections > * Comment out repositories with unsupported expressions > * Fix incorrect `parent.relativePath` pointing to non-existent POMs > * Create `.mvn` directory when not upgrading to 4.1.0 to avoid warnings > > ### Intelligent Model Inference > * Parent element trimming when parent is in same project > * Managed dependency removal for project artifacts > * Redundant subprojects list removal when matching direct children > * GroupId/version inference from parent when using relativePath > * Dependency inference that reverses Maven's resolution logic > > ### Advanced XML Processing > * Intelligent indentation detection supporting 2/4 spaces and tabs > * Document-wide formatting consistency preservation > * Proper element ordering following Maven POM schema standards > * pluginManagement placement before plugins sections > * Comprehensive JDOM-based XML manipulation with formatting preservation > > ## Technical Implementation > ### Architecture > * Modular goal-based architecture (Check, Apply, Help) > * Comprehensive test coverage with integration tests > * Non-interactive and batch processing support > * Robust error handling and detailed logging > > ### XML Processing Engine > * Advanced JDOM2-based XML manipulation > * Intelligent indentation pattern detection and preservation > * Element ordering configuration following Maven standards > * Format-preserving transformations maintaining code style > > ### Parent POM Resolution > * Maven Central integration for parent POM analysis > * Plugin inheritance detection and management > * Proper version resolution with property support > * Comprehensive plugin configuration analysis > > ## Usage Examples > Basic upgrade workflow: > > ``` > mvnup check --model-version 4.1.0 --all > ``` > > ``` > mvnup apply --model-version 4.1.0 --all > ``` > > Specific upgrades: > > ``` > mvnup apply --plugins --model > ``` > > ``` > mvnup check --infer --directory /path/to/project > ``` > > JIRA issue [MNG-8765](https://issues.apache.org/jira/browse/MNG-8765) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
