forceStdout and -q prints more than expected in Maven 4.0.0-rc6

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
58/100
Issue type
Bug
Clarity
Clearly specified
Activity status
Quiet
Tech stack
java
Domain
build-system, cli

Research direction

Start by reproducing the help:evaluate command with -q and -DforceStdout under Maven 4.0.0-rc-6, then trace how the maven-help-plugin formats its evaluated output and logging. Done means shell capture returns only 23, matching Maven 3 behavior, without the [INFO] [stdout] prefix.

Written by the indexing model from the issue text.

Description

bug
Affected version

3.5.2

Bug description

If you use maven-help-plugin in combination with maven-4.0.0-rc-6 for example to get information about the maven.compiler.release property:

$> RESULT=$(mvn help:evaluate -Dexpression=maven.compiler.release -q -DforceStdout)
$> echo $RESULT
[INFO] [stdout] 23

That means the the expected value of RESULT should be 23 (With Maven3) but with Maven 4.0.0-rc-6 is [INFO] [stdout] 23 which beaks scripting.

Dominant language
Java
Stars
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Forks
42
Avg merge
23h 15m
Merged PRs (30d)
6

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