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http://jira.codehaus.org/browse/MDEP-123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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William Ferguson updated MDEP-123:
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Attachment: pom.xml
> dependency:tree to optionally display all instances of a transitive
> dependency, not just the first one found
> ------------------------------------------------------------------------------------------------------------
>
> Key: MDEP-123
> URL: http://jira.codehaus.org/browse/MDEP-123
> Project: Maven 2.x Dependency Plugin
> Issue Type: New Feature
> Components: tree
> Affects Versions: 2.0-alpha-5
> Reporter: William Ferguson
> Assignee: Brian Fox
> Attachments: pom.xml
>
>
> dependency:tree is *really* useful for tracking down how a particular
> transitive dependency has been introduced, but it only lists the first
> occurrence, not all occurrences. So it can be frustrating game attempting to
> remove a dep only to find it introduced by another component. A parameter to
> dependency:tree to show all occurences of a transitive dep would be *really*
> helpful.
> Eg the attached POM has a direct dep on commons-beanutils and
> commons-digester, which both have a dep on commons-logging. But executing
> {code}
> mvn org.apache.maven.plugins:maven-dependency-plugin:2.0-alpha-5-SNAPSHOT:tree
> {code}
> only shows commons-logging listed as a transitive dep for commons-beanutils,
> not commons-digester, Ie
> {code}
> [INFO] [dependency:tree]
> [INFO]
> maven-dependency-plugin-tree-all-deps:maven-dependency-plugin-tree-all-deps:jar:0.0.1
> [INFO] +- commons-beanutils:commons-beanutils:jar:1.7.0:compile
> [INFO] | \- commons-logging:commons-logging:jar:1.0.3:compile
> [INFO] \- commons-digester:commons-digester:jar:1.7:compile
> [INFO] +- commons-collections:commons-collections:jar:2.1:compile
> [INFO] \- xml-apis:xml-apis:jar:1.0.b2:compile
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD SUCCESSFUL
> [INFO]
> ------------------------------------------------------------------------
> {code}
> but if an exclusion is added to commons-beanutils for for commons-logging,
> then the other transitive dep instance is revealed. Ie
> {code}
> [INFO] [dependency:tree]
> [INFO]
> maven-dependency-plugin-tree-all-deps:maven-dependency-plugin-tree-all-deps:jar:0.0.1
> [INFO] +- commons-beanutils:commons-beanutils:jar:1.7.0:compile
> [INFO] \- commons-digester:commons-digester:jar:1.7:compile
> [INFO] +- commons-logging:commons-logging:jar:1.0:compile
> [INFO] +- commons-collections:commons-collections:jar:2.1:compile
> [INFO] \- xml-apis:xml-apis:jar:1.0.b2:compile
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD SUCCESSFUL
> [INFO]
> ------------------------------------------------------------------------
> {code}
> An option to show both instance would be fantastic, Eg
> {code}
> [INFO] [dependency:tree]
> [INFO]
> maven-dependency-plugin-tree-all-deps:maven-dependency-plugin-tree-all-deps:jar:0.0.1
> [INFO] +- commons-beanutils:commons-beanutils:jar:1.7.0:compile
> [INFO] | \- commons-logging:commons-logging:jar:1.0.3:compile
> [INFO] \- commons-digester:commons-digester:jar:1.7:compile
> [INFO] +- commons-logging:commons-logging:jar:1.0:compile
> [INFO] +- commons-collections:commons-collections:jar:2.1:compile
> [INFO] \- xml-apis:xml-apis:jar:1.0.b2:compile
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD SUCCESSFUL
> [INFO]
> ------------------------------------------------------------------------
> {code}
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