Gradle

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Gradle is a Java-based build, automation and delivery tool.

Usage

Dependency tree

Packagers wanting to see the dependency tree of a package, e.g. v1.72 of dev-java/bcmail, use:

user $gradle dependencies | sed -n '/Classpath/,/^$/p'

compileClasspath - Compile classpath for source set 'main'.
+--- project :core
+--- project :util
+--- project :pkix
+--- project :prov
\--- javax.mail:mail:1.4
     \--- javax.activation:activation:1.1

runtimeClasspath - Runtime classpath of source set 'main'.
+--- project :core
|    \--- org.openjdk.jmh:jmh-core:1.33
|         +--- net.sf.jopt-simple:jopt-simple:4.6
|         \--- org.apache.commons:commons-math3:3.2
+--- project :util
|    \--- project :core (*)
+--- project :pkix
|    +--- project :core (*)
|    +--- project :util (*)
|    \--- project :prov
|         \--- project :core (*)
+--- project :prov (*)
\--- javax.mail:mail:1.4
     \--- javax.activation:activation:1.1

testCompileClasspath - Compile classpath for source set 'test'.
+--- project :core
+--- project :util
+--- project :pkix
+--- project :prov
+--- javax.mail:mail:1.4
|    \--- javax.activation:activation:1.1
\--- junit:junit:4.11
     \--- org.hamcrest:hamcrest-core:1.3

testRuntimeClasspath - Runtime classpath of source set 'test'.
+--- project :core
|    \--- org.openjdk.jmh:jmh-core:1.33
|         +--- net.sf.jopt-simple:jopt-simple:4.6
|         \--- org.apache.commons:commons-math3:3.2
+--- project :util
|    \--- project :core (*)
+--- project :pkix
|    +--- project :core (*)
|    +--- project :util (*)
|    \--- project :prov
|         \--- project :core (*)
+--- project :prov (*)
+--- javax.mail:mail:1.4
|    \--- javax.activation:activation:1.1
\--- junit:junit:4.11
     \--- org.hamcrest:hamcrest-core:1.3

For specific classpath, e.g. runtimeClasspath the command is:

user $gradle dependencies --configuration runtimeClasspath

In case the above commands give errors it's sometimes still possible to run gradlew

user $./gradlew dependencies

Further command line tasks

Command line tasks are explained on https://docs.gradle.org/current/userguide/command_line_interface.html#common_tasks

Availability

An ebuild is available in the mva-overlay ebuild repository.

Packages waiting for Gradle support

New packages for the tree which depend on Gradle are organized by the tracker ticket bug #777609

External resources

https://tomgregory.com/gradle-dependency-tree/