gnodet opened a new pull request, #12355:
URL: https://github.com/apache/maven/pull/12355
## Summary
- Adds `SourceStrategy` (`@Priority(20)`) to migrate legacy source
configuration to Maven 4.1.0+ `<source>` elements
- Handles four migration phases:
- **Compiler properties** (`maven.compiler.release`,
`maven.compiler.source`/`target`) → `<source><targetVersion>`
- **Compiler plugin configuration** (`<release>`, `<source>`/`<target>` in
maven-compiler-plugin) → `<source><targetVersion>`
- **Source/test directories** (custom
`<sourceDirectory>`/`<testSourceDirectory>`) → `<source><directory>`
- **Resources** (`<resources>`/`<testResources>`) → `<source>` with
`<lang>resources</lang>`, preserving filtering, includes/excludes, and
targetPath
- Applies when `--model-version` is 4.1.0+ or `--all` is set
- Default source/resource directories are cleaned up without creating
redundant `<source>` entries
- Empty containers (`<properties>`, `<plugins>`, `<configuration>`) are
removed after migration
## Test plan
- [x] 26 unit tests covering all phases: applicability (5), compiler
properties (5), compiler plugin (4), source directories (3), resources (5),
model version filtering (2), combined scenarios (2)
- [ ] Manual test: create a 4.0.0 POM with compiler properties + resources,
run `mvnup --model-version 4.1.0`, verify output
🤖 Generated with [Claude Code](https://claude.com/claude-code)
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