apply plugin: 'java'
apply plugin: 'eclipse'

repositories {
    mavenCentral()
}

// add a dummy local jar
ant {
	mkdir file:'libs'
 	touch file:'libs/dummy.jar'
}

dependencies {
    compile group: 'org.hibernate', name: 'hibernate-core', version: '3.6.7.Final'
	compile  fileTree(dir: 'libs', includes: ['*.jar'])
}

// collect  two jar artifacts we want to exclude, one local, one remote
def excludedArtifactFiles  = configurations.default.findAll {File f -> f.name =~ /(dummy|jta)/}
assert excludedArtifactFiles.size() == 2

// create a configuration for these jars
configurations {
	excludedConf 
}

dependencies {
	excludedConf files(excludedArtifactFiles)
}

// try to remove the jar from eclipse classpath
eclipse {
    classpath {
        minusConfigurations += configurations.excludedConf 
    }
}

// the execution
defaultTasks 'eclipse'

tasks.eclipse.dependsOn(cleanEclipse)

tasks.eclipse << {
	File cp = file('.classpath')
	assert !cp.text.contains('dummy') // dummy.jar is not in .classpath
	assert !cp.text.contains('jta') // !!! FAIL !!! .classpath still contains jta.jar
}