[MINSTALL-201] Regression in 3.1.2 when installing pom artifact - ASF JIRA

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Details

Type: Bug
Status: Open
Priority: Blocker
Resolution: Unresolved
Affects Version/s: 3.1.2
Fix Version/s: None
Component/s: None
Labels:
None
Environment:
macOS 14.5, Maven 3.9.8; probably any

Flags:

Patch, Important

Description

With 3.1.2, I'm seeing wrong artifact metadata (POM files) being installed for POM-packaged artifacts in a multi-module project.

Prior to 3.1.2, we were excluding some operations in InstallMojo.java when a project's packaging was "pom". The check got removed, leading to ".pom" artifact files being installed as some sort of zip file (yet having the ".pom" file suffix).

This breaks all sorts of things for me, effectively rendering version 3.1.2 unusable.

Patch forthcoming.

To reproduce:

git clone git@github.com:kohlschutter/kohlschutter-parent.git
git checkout kohlschutter-parent-1.7.2
cd kohlschutter-parent
mvn clean install -Dignorant -DskipTests
file $HOME/.m2/repository/com/kohlschutter/kohlschutter-parent-multirelease/1.7.2/kohlschutter-parent-multirelease-1.7.2.pom
# the above command should return something like "XML 1.0 document text, ASCII text"
# 
# now change maven-install-plugin dependency version in kohlschutter-parent's pom.xml from 3.1.1 to 3.1.2
mvn clean install -Dignorant -DskipTests
file $HOME/.m2/repository/com/kohlschutter/kohlschutter-parent-multirelease/1.7.2/kohlschutter-parent-multirelease-1.7.2.pom
# 
# the above command now returns something like "Zip archive data, at least v1.0 to extract, compression method=store"
# 
# contents of the zip file:
# META-INF/
# META-INF/MANIFEST.MF
# META-INF/maven/
# META-INF/maven/com.kohlschutter/
# META-INF/maven/com.kohlschutter/kohlschutter-parent-multirelease/
# META-INF/maven/com.kohlschutter/kohlschutter-parent-multirelease/pom.xml
# META-INF/maven/com.kohlschutter/kohlschutter-parent-multirelease/pom.properties}}