When running the 'dependencies' help task, the 'indy' (invoke dynamic) portion of the Groovy version is left out of the task output. I am assuming that any classifiers are omitted from the report. I'm not sure if this is considered a bug, but I did find it confusing since we had an issue where both indy and non-indy versions were being pulled in via transitive dependencies (which was causing problems for us!). I've included an example - using the build file below, run the following command:

gradle dependencies --configuration compile

Task Output:

...
compile - Compile classpath for source set 'main'.
--- org.codehaus.groovy:groovy-all:2.2.1
...

I've created the copyDeps task to demonstrate that the indy version of Groovy is actually being downloaded and used by the build.

Build file:

apply plugin: 'groovy'

ext {
groovyVersion = '2.2.1'
}

repositories {
mavenCentral()
}

dependencies {
compile "org.codehaus.groovy:groovy-all:${groovyVersion}:indy"
}

task copyDeps(type: Copy, dependsOn: build) {
from configurations.compile
into 'build/deps'
}