[jira] [Assigned] (MNG-7741) Add more information when using -Dmaven.repo.local.recordReverseTree=true

["Tamas Cservenak (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MNG-7741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tamas Cservenak reassigned MNG-7741:
------------------------------------

    Assignee: Tamas Cservenak

> Add more information when using -Dmaven.repo.local.recordReverseTree=true
> -------------------------------------------------------------------------
>
>                 Key: MNG-7741
>                 URL: https://issues.apache.org/jira/browse/MNG-7741
>             Project: Maven
>          Issue Type: Improvement
>          Components: Artifacts and Repositories
>            Reporter: Grzegorz Grzybek
>            Assignee: Tamas Cservenak
>            Priority: Major
>             Fix For: 3.9.2, 4.0.0-alpha-6, 4.0.0
>
>
> I much appreciate adding {{-Dmaven.repo.local.recordReverseTree=true}} option to Maven Core (supported by new resolver features).
> After initial idea, I added few more options to https://github.com/grgrzybek/tracking-maven-extension and I'd be happy to see these in {{org.apache.maven.internal.aether.ReverseTreeRepositoryListener}}.
> I did some experiments locally and I have improvement ready which:
> h5. tracks information about missing dependencies
> when using non-existing dependency (like {{org.slf4j:slf4j-apix}}), I can see {{~/.m2/repository/org/slf4j/slf4j-apix/1.7.36/.tracking/grgr_simplest_jar_1.0.miss}} file with:
> {noformat}
> org.slf4j:slf4j-apix:pom:1.7.36
>   org.slf4j:slf4j-apix:jar:1.7.36 (compile) (project)
>     grgr:simplest:jar:1.0 (project)
> Configured repositories:
>  - central : https://repo.maven.apache.org/maven2
> {noformat}
> h5. tracks information about actual repository information (in {{_remote.repositories}} we have only the ID)
> For example
> {noformat}
> org.apache.maven.plugins:maven-compiler-plugin:pom:3.10.1
>   org.apache.maven.plugins:maven-compiler-plugin:3.10.1
>     org.apache.maven:maven-core:3.9.1:default-lifecycle-bindings (implicit)
> Repository: central (https://repo.maven.apache.org/maven2, default, releases)
> {noformat}
> h5. tracks information where only POM is downloaded
> For example with {{~/.m2/repository/com/google/guava/guava-parent/16.0.1/.tracking/org.apache.maven.plugins_maven-surefire-plugin_jar_3.0.0.dep}}:
> {noformat}
> com.google.guava:guava-parent:pom:16.0.1
>   com.google.guava:guava:jar:16.0.1 (compile) (plugin)
>     org.sonatype.sisu:sisu-guice:jar:no_aop:3.2.3 (compile) (plugin)
>       org.apache.maven:maven-core:jar:3.2.5 (provided) (plugin)
>         org.apache.maven.shared:maven-common-artifact-filters:jar:3.1.1 (compile) (plugin)
>           org.apache.maven.surefire:maven-surefire-common:jar:3.0.0 (compile) (plugin)
>             org.apache.maven.plugins:maven-surefire-plugin:jar:3.0.0 () (plugin)
> Repository: central (https://repo.maven.apache.org/maven2, default, releases)
> {noformat}
> h5. tracks reverse trees originating from plugins (also implicit ones)
> {noformat}
> org.apache:apache:pom:26
>   org.apache.maven.plugins:maven-resources-plugin:3.3.0
>     org.apache.maven:maven-core:3.9.1:default-lifecycle-bindings (implicit)
> Repository: central (https://repo.maven.apache.org/maven2, default, releases)
> {noformat}



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