[borinquenkid]

What

Converts the remaining Java sources of grails-shell-cli to Groovy: 97 .java files removed, 97 .groovy files added (117 files changed, 4406 insertions(+), 4528 deletions(-)).

Why

The maintainers asked on #16351 for the Java-to-Groovy migration to land one Gradle project at a time as a stack of PRs, bottom-up in dependency order. #16572 did grails-data-hibernate7; this PR is 7 of 30 in the next stack (base: refactor/java-to-groovy-grails-spring). The end state of every file is taken from the 9.0.x-java-to-groovy branch, which already carries the regression fixes found by CI.

Commits:

• 1d74655 fix: keep the Java-facing API of the converted grails-shell-cli classes
• 60fe7bc refactor: convert grails-shell-cli to Groovy

Changed outside the converted sources

• nothing

Java-facing API sweep

Every deleted .java was compared with its Groovy twin via javap -v -protected (class declaration, public/protected fields, constructors, methods incl. modifiers/throws/generics, interface default methods, nested class modifiers, and the annotations callers see). Result:

• grails-shell-cli: 97 deleted .java, 4 difference(s) found and fixed in this PR (see the fix: commit), 0 left

See also the notes below. Remaining informational entries (widened visibility, e.g. Groovy property accessors): 20.

Verification

• classes and testClasses (plus ast/cli/testFixtures source sets where present) of the converted project(s) and of their direct dependents compile: ['grails-profiles-base']
• No test suites were run locally (the umbrella branch was verified; CI runs them). codeStyle, rat and a whole-repo build -PskipTests are run once on the tip of the stack.

Notes

• Informational sweep entries that are not regressions: Groovy enums gain MIN_VALUE/MAX_VALUE/next()/previous(), property accessors appear for formerly package-private members, nested static classes with implicit constructors become public (they were protected), and generic type parameters that Groovy erases in constructors/methods (descriptors identical).
• Groovy gotchas that applied (see build: migrate remaining Java sources to Groovy #16351): static final without public creates a property; == calls equals(); Closure/SAM coercions; @CompileStatic with nested classes. All CI regression fixes found on the umbrella branch are included in the end state.

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[codecov]

Codecov Report

❌ Patch coverage is 34.66077% with 886 lines in your changes missing coverage. Please review.
✅ Project coverage is 65.3008%. Comparing base (e0638d8) to head (3a640f2).

Files with missing lines	Patch %	Lines
...g/grails/cli/command/archive/ArchiveCommand.groovy	0.0000%	90 Missing ⚠️
...org/grails/cli/compiler/maven/MavenSettings.groovy	38.2979%	54 Missing and 4 partials ⚠️
...piler/DependencyManagementBomTransformation.groovy	5.3571%	53 Missing ⚠️
...vy/org/grails/cli/command/install/Installer.groovy	0.0000%	44 Missing ⚠️
...grails/cli/compiler/dependencies/Dependency.groovy	22.0000%	39 Missing ⚠️
...rg/grails/cli/compiler/DependencyCustomizer.groovy	7.5000%	37 Missing ⚠️
...cli/compiler/RepositoryConfigurationFactory.groovy	0.0000%	35 Missing ⚠️
...ain/groovy/org/grails/cli/compiler/AstUtils.groovy	11.4286%	28 Missing and 3 partials ⚠️
...rg/grails/cli/command/options/SourceOptions.groovy	0.0000%	28 Missing ⚠️
...in/groovy/org/grails/cli/util/ResourceUtils.groovy	29.7297%	22 Missing and 4 partials ⚠️
... and 57 more

Additional details and impacted files

@@                               Coverage Diff                               @@
##             refactor/java-to-groovy-grails-spring     #16585        +/-   ##
===============================================================================
+ Coverage                                  65.2506%   65.3008%   +0.0502%     
- Complexity                                   30491      30521        +30     
===============================================================================
  Files                                         2255       2254         -1     
  Lines                                       111435     111190       -245     
  Branches                                     20384      20387         +3     
===============================================================================
- Hits                                         72712      72608       -104     
+ Misses                                       29564      29391       -173     
- Partials                                      9159       9191        +32     

Files with missing lines	Coverage Δ
...g/grails/cli/boot/SpringApplicationLauncher.groovy	89.4737% <100.0000%> (ø)
...ovy/org/grails/cli/command/CommandException.groovy	100.0000% <100.0000%> (ø)
...n/groovy/org/grails/cli/command/HelpExample.groovy	100.0000% <100.0000%> (ø)
...org/grails/cli/command/NoArgumentsException.groovy	100.0000% <100.0000%> (ø)
...cli/command/NoHelpCommandArgumentsException.groovy	100.0000% <100.0000%> (ø)
...g/grails/cli/command/NoSuchCommandException.groovy	100.0000% <100.0000%> (ø)
...ils/cli/compiler/GrailsBomAstTransformation.groovy	100.0000% <100.0000%> (ø)
...toconfigure/GrailsCompilerAutoConfiguration.groovy	0.0000% <ø> (ø)
...figure/SpringBatchCompilerAutoConfiguration.groovy	0.0000% <ø> (ø)
...nfigure/SpringBootCompilerAutoConfiguration.groovy	0.0000% <ø> (ø)
... and 70 more

... and 8 files with indirect coverage changes

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[borinquenkid]

SUPERSEDED: the skipTests/skipCodeStyle flag described below was removed. See the newer comment about the CHANGEME FOR ACCEPTANCE workflow-trigger commit, which is the only temporary CI change on this branch.

Temporary CI flag on this stacked branch (BLOCKER before merge).

This Java-to-Groovy chain is a stack of PRs, and every push to any of them starts the full CI matrix, which is more runner time than the ASF allows us. Every PR in the stack except the one closest to its release branch (#16576) therefore carries one temporary commit, CHANGEME FOR ACCEPTANCE, that adds this to the root gradle.properties:

skipTests=true
skipCodeStyle=true

With it, CI on this PR compiles but does not run tests or code style. The full build runs on #16576 (closest to 10.0.x), and each PR gets it when the PR below it has merged.

Condition for merging this PR: that gradle.properties block (and the CHANGEME FOR ACCEPTANCE commit) must be dropped from this branch first, and CI must then be green with the tests running. A green check on this PR as it stands does not mean the tests ran. Rollout of the commit is branch by branch, so a branch may not carry it yet.

[borinquenkid]

Update: this branch now carries a different temporary CI commit (BLOCKER before merge).

The earlier skipTests/skipCodeStyle flag in gradle.properties did not help enough: the functional jobs still compile the whole repository (about 57 minutes each) on every push, so it only saved around a fifth of the time. It has been removed.

In its place, every PR in this stack except #16576 (the one closest to 10.0.x) carries one temporary commit, CHANGEME FOR ACCEPTANCE: disable PR workflow triggers. It changes the pull_request: trigger of each workflow to branches: ['CHANGEME-FOR-ACCEPTANCE'], a branch that does not exist, so pushing, rebasing or force-pushing this branch starts no jobs.

Condition for merging this PR: that commit must be reverted on this branch first (git revert of the CHANGEME FOR ACCEPTANCE commit), and CI must then run and be green. The absence of CI checks on this PR is deliberate and does not mean the code was tested. The full build runs on #16576, and each PR gets it when the PR below it has merged.