This is a structure of a gradle project that uses a version-controlled Maven repository.

build.gradle

/*
 * The plugins used for this build.
 */
/*
 * Provides the compile, test, jar, etc tasks
 */
apply plugin: 'java'

/*
 * Generates the Eclipse project files.
 * "gradle eclipse"
 */
apply plugin: 'eclipse'

/*
 * Publishes the generated jars to the CollabNet Maven server described on commons.gradle.
 * "gradle uploadArchives": uploads snapshots
 * "gradle uA -Prelease": uploads releases
 */
apply plugin: 'maven'
/*
 * Common properties for the Maven configuration.
 */
apply from: "file://$projectDir/../mavenProperties.gradle"

repositories {
  mavenCentral()
  mavenRepo url: projectMvn.local.snapshots.scm.url
  mavenRepo url: projectMvn.local.releases.scm.url
}

dependencies {
    compile module("org.hibernate.javax.persistence:hibernate-jpa-2.0-api:1.0.1.Final")
    testCompile group: 'junit', name: 'junit', version: '4.+'
}

/*
 * The source compatibility
 */
sourceCompatibility = 1.7

/*
 * The name of the Jar file. Also used as the name uploaded to the maven repo.
 */
archivesBaseName = "maceio-financial-core"

/*
 * Maven plugin and group definition.
 */
group = projectMvn.group

/*
 * The jar and maven version of the generated artifact.
 */
version = projectMvn.version

jar {
    manifest {
        attributes 'Implementation-Title': 'Maceio Financial Core',
                'Implementation-Version': version
    }
}

/*
 * Task from the maven plugin
 */
uploadArchives {
  repositories {
    mavenDeployer {
      repository(url: currentMvnServerUrl)
        pom.version = version
        pom.artifactId = archivesBaseName
    }
  }
}

gradle uploadArchives

marcello@hawaii:/u1/development/workspaces/maceio/maceio-financial/financial-core$ gradle uploadArchives
:compileJava UP-TO-DATE
:processResources UP-TO-DATE
:classes UP-TO-DATE
:jar UP-TO-DATE
:uploadArchives
Uploading: com/maceio/financial/maceio-financial-core/0.0.1-SNAPSHOT/maceio-financial-core-0.0.1-20120424.102046-2.jar to repository remote at file://localhost/u1/development/workspaces/maceio/maven-repo/snapshots
Transferring 0K from remote
Uploaded 0K

BUILD SUCCESSFUL

Total time: 6.824 secs
marcello@hawaii:/u1/development/workspaces/maceio/maceio-financial/financial-core$ gradle uploadArchives -Prelease
:compileJava UP-TO-DATE
:processResources UP-TO-DATE
:classes UP-TO-DATE
:jar UP-TO-DATE
:uploadArchives
Uploading: com/maceio/financial/maceio-financial-core/0.0.1/maceio-financial-core-0.0.1.jar to repository remote at file://localhost/u1/development/workspaces/maceio/maven-repo/releases
Transferring 0K from remote
Uploaded 0K

gradle-properties.gradle

marcello@hawaii:/u1/development/workspaces/maceio/maceio-financial/financial-core$ gradle properties
:properties

------------------------------------------------------------
Root project
------------------------------------------------------------

allprojects: [root project 'financial-core']
ant: org.gradle.api.internal.project.DefaultAntBuilder@cd7e6f5
antBuilderFactory: org.gradle.api.internal.project.DefaultAntBuilderFactory@327be569
apiDocTitle: financial-core 0.0.1-SNAPSHOT API
archivesBaseName: maceio-financial-core
artifacts: org.gradle.api.internal.artifacts.dsl.DefaultArtifactHandler@64126a63
asDynamicObject: org.gradle.api.internal.ExtensibleDynamicObject@7506bce8
assemble: task ':assemble'
build: task ':build'
buildDependents: task ':buildDependents'
buildDir: /u1/development/workspaces/maceio/maceio-financial/financial-core/build
buildFile: /u1/development/workspaces/maceio/maceio-financial/financial-core/build.gradle
buildNeeded: task ':buildNeeded'
buildScriptSource: org.gradle.groovy.scripts.UriScriptSource@1be6fc00
buildTasks: [build]
buildscript: org.gradle.api.internal.initialization.DefaultScriptHandler@59aa724f
check: task ':check'
childProjects: {}
class: class org.gradle.api.internal.project.DefaultProject_Decorated
classes: task ':classes'
clean: task ':clean'
cleanEclipse: task ':cleanEclipse'
cleanEclipseClasspath: task ':cleanEclipseClasspath'
cleanEclipseJdt: task ':cleanEclipseJdt'
cleanEclipseProject: task ':cleanEclipseProject'
compileJava: task ':compileJava'
compileTestJava: task ':compileTestJava'
conf2ScopeMappings: org.gradle.api.publication.maven.internal.DefaultConf2ScopeMappingContainer@4208e299
configurations: [configuration ':archives', configuration ':compile', configuration ':default', configuration ':runtime', configuration ':testCompile', configuration ':testRuntime']
convention: org.gradle.api.internal.plugins.DefaultConvention@4536ce86
currentMvnServerUrl: file://localhost/u1/development/workspaces/maceio/maven-repo/snapshots
defaultArtifacts: org.gradle.api.internal.plugins.DefaultArtifactPublicationSet_Decorated@1130e2ea
defaultTasks: []
dependencies: org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler@20817977
dependencyCacheDir: /u1/development/workspaces/maceio/maceio-financial/financial-core/build/dependency-cache
dependencyCacheDirName: dependency-cache
dependsOnProjects: []
depth: 0
description: null
distsDir: /u1/development/workspaces/maceio/maceio-financial/financial-core/build/distributions
distsDirName: distributions
docsDir: /u1/development/workspaces/maceio/maceio-financial/financial-core/build/docs
docsDirName: docs
eclipse: org.gradle.plugins.ide.eclipse.model.EclipseModel_Decorated@144d844d
eclipseClasspath: task ':eclipseClasspath'
eclipseJdt: task ':eclipseJdt'
eclipseProject: task ':eclipseProject'
ext: org.gradle.api.internal.plugins.DefaultExtraPropertiesExtension@6d28e5a4
extensions: org.gradle.api.internal.plugins.DefaultConvention@4536ce86
fileResolver: org.gradle.api.internal.file.BaseDirFileResolver@17fca9f9
gradle: build 'financial-core'
group: com.maceio.financial
implicitTasks: [task ':dependencies', task ':help', task ':projects', task ':properties', task ':tasks']
inheritedScope: org.gradle.api.internal.ExtensibleDynamicObject$InheritedDynamicObject@4cfb26bc
install: task ':install'
jar: task ':jar'
javadoc: task ':javadoc'
libsDir: /u1/development/workspaces/maceio/maceio-financial/financial-core/build/libs
libsDirName: libs
logger: org.gradle.api.logging.Logging$LoggerImpl@7cac281f
logging: org.gradle.logging.internal.DefaultLoggingManager@a7e4b2b
manifest: org.gradle.api.java.archives.internal.DefaultManifest@6978f96e
mavenLocalRepo: file://localhost/u1/development/workspaces/maceio/maven-repo
mavenNexusServer: https://maven.nexus.local:8081/nexus
mavenPomDir: /u1/development/workspaces/maceio/maceio-financial/financial-core/build/poms
mavenReposServer: https://bitbucket.org/marcellodesales/maceio/raw/master
metaClass: org.codehaus.groovy.runtime.HandleMetaClass@53fdadb[groovy.lang.MetaClassImpl@53fdadb[class org.gradle.api.internal.project.DefaultProject_Decorated]]
metaInf: []
module: org.gradle.api.internal.artifacts.DefaultModule@2339628e
name: financial-core
parent: null
parentIdentifier: null
path: :
plugins: [org.gradle.api.plugins.BasePlugin@535c3667, org.gradle.api.plugins.ReportingBasePlugin@7b2896bb, org.gradle.api.plugins.JavaBasePlugin@426c4c9d, org.gradle.api.plugins.JavaPlugin@9530a8a, org.gradle.plugins.ide.eclipse.EclipsePlugin@7c66eb65, org.gradle.api.plugins.MavenPlugin@64fbccad]
processResources: task ':processResources'
processTestResources: task ':processTestResources'
project: root project 'financial-core'
projectDir: /u1/development/workspaces/maceio/maceio-financial/financial-core
projectEvaluationBroadcaster: ProjectEvaluationListener broadcast
projectEvaluator: org.gradle.configuration.LifecycleProjectEvaluator@c756ab3
projectMvn: {remote={host=https://bitbucket.org/marcellodesales/maceio/raw/master, releases={scm={url=https://bitbucket.org/marcellodesales/maceio/raw/master/releases}, nexus={url=https://maven.nexus.local:8081/nexus/content/repositories/releases, repoId=project-release, username=admin, password=welcome}}, snapshots={scm={url=https://bitbucket.org/marcellodesales/maceio/raw/master/snapshots}, nexus={url=https://maven.nexus.local:8081/nexus/content/repositories/snapshots, repoId=project-release, username=admin, password=welcome}}}, local={host=file://localhost/u1/development/workspaces/maceio/maven-repo, releases={scm={url=file://localhost/u1/development/workspaces/maceio/maven-repo/releases}}, snapshots={scm={url=file://localhost/u1/development/workspaces/maceio/maven-repo/snapshots}}}, group=com.maceio.financial, version=0.0.1-SNAPSHOT}
projectRegistry: org.gradle.api.internal.project.DefaultProjectRegistry@70b01428
properties: {...}
rebuildTasks: [clean, build]
reporting: org.gradle.api.reporting.ReportingExtension_Decorated@37fb87e4
reportsDir: /u1/development/workspaces/maceio/maceio-financial/financial-core/build/reports
reportsDirName: reports
repositories: [org.gradle.api.internal.artifacts.repositories.DefaultMavenArtifactRepository_Decorated@6296a672, org.gradle.api.internal.artifacts.repositories.FixedResolverArtifactRepository@1089b8ef, org.gradle.api.internal.artifacts.repositories.FixedResolverArtifactRepository@41cc5b64]
resources: org.gradle.api.internal.resources.DefaultResourceHandler@4f8423fb
rootDir: /u1/development/workspaces/maceio/maceio-financial/financial-core
rootProject: root project 'financial-core'
runtimeClasspath: file collection
runtimeRepoType: snapshots
services: ProjectInternalServiceRegistry
sourceCompatibility: 1.7
sourceSets: [source set main, source set test]
standardOutputCapture: org.gradle.logging.internal.DefaultLoggingManager@a7e4b2b
state: project state 'EXECUTED'
status: integration
subprojects: []
targetCompatibility: 1.7
tasks: [task ':assemble', task ':build', task ':buildDependents', task ':buildNeeded', task ':check', task ':classes', task ':clean', task ':cleanEclipse', task ':cleanEclipseClasspath', task ':cleanEclipseJdt', task ':cleanEclipseProject', task ':compileJava', task ':compileTestJava', task ':eclipse', task ':eclipseClasspath', task ':eclipseJdt', task ':eclipseProject', task ':install', task ':jar', task ':javadoc', task ':processResources', task ':processTestResources', task ':test', task ':testClasses', task ':uploadArchives']
test: task ':test'
testClasses: task ':testClasses'
testReportDir: /u1/development/workspaces/maceio/maceio-financial/financial-core/build/reports/tests
testReportDirName: tests
testResultsDir: /u1/development/workspaces/maceio/maceio-financial/financial-core/build/test-results
testResultsDirName: test-results
uploadArchives: task ':uploadArchives'
version: 0.0.1-SNAPSHOT
versionSuffix: -SNAPSHOT

BUILD SUCCESSFUL

Total time: 16.042 secs

instalThirdparty.gradle

/*
 * Copies the generated jar to thirdparty local cache repository WITHOUT Maven repository Metadata.
 * Any previous version will be overwritten. Also, the new version must be committed to Subversion. The jar name will
 * be influenced by the use of the execution property "-Prelease", which dictates the removal of the suffix "SNAPSHOT"
 * in the jar name.
 *
 * gradle instalThirdparty | gradle iT | gradle iT -Prelease
 */
task installThirdparty(dependsOn: jar, description: "Copies the generated jar ${archivesBaseName}-${version}.jar " +
        "in the directory 'thirdparty/'.") << {

    // jar properties http://www.gradle.org/current/docs/dsl/org.gradle.api.tasks.bundling.Jar.html
    def destinationFile = new File("$projectDir/../../../thirdparty/saturn/${jar.archiveName}").canonicalPath

    println "Copying the $jar.archivePath to $destinationFile"
    ant.copy(file: jar.archivePath, tofile: destinationFile)
}

mavenProperties.gradle

/*
 * Defines the version tag and the Maven repository to publish if the command-line arg "-Prelease" is defined.
 */
project.ext.set("versionSuffix", hasProperty('release') ? "" : "-SNAPSHOT")

def runtimeRepoType = hasProperty('release') ? "releases" : "snapshots"
project.ext.set("runtimeRepoType", runtimeRepoType)

def mavenReposServer = "https://bitbucket.org/marcellodesales/maceio/raw/master"
project.ext.set("mavenReposServer", mavenReposServer)

def mavenNexusServer = "https://maven.nexus.local:8081/nexus"
project.ext.set("mavenNexusServer", mavenNexusServer)

def localRepoFilePath = new File(projectDir, "../../maven-repo/").canonicalPath
project.ext.set("mavenLocalRepo", "file://localhost" + localRepoFilePath)

/*
 * The project Maven server information. Defaults to "snapshot". Use "-Prelease" to publish to the "release" repo.
 */
def projectMaven = [
  remote: [
    host: mavenReposServer,
    releases: [scm: [url: "$mavenReposServer/releases"],
              nexus: [url: "$mavenNexusServer/content/repositories/releases",
                      repoId: "project-release", username: "admin", password: "welcome"]
    ],
    snapshots: [scm: [url: "$mavenReposServer/snapshots"],
               nexus: [url: "$mavenNexusServer/content/repositories/snapshots",
                       repoId: "project-release", username: "admin", password: "welcome"]
    ]
  ],
  local: [
    host: mavenLocalRepo,
    releases: [scm: [url: "$mavenLocalRepo/releases"]],
    snapshots: [scm: [url: "$mavenLocalRepo/snapshots"]]
  ],
  group: "com.maceio.financial",
  version: "0.0.1" + project.versionSuffix
]

/*
 * Setting the 'mvn' properties above.
 */
projectMaven.each{ cnProp ->
    if (cnProp.equals("group") || cnProp.equals("version")) {
        project.ext.set(cnProp.key, cnProp.value)
    }
}
project.ext.set("currentMvnServerUrl", hasProperty('release') ? projectMaven.local.releases.scm.url : projectMaven.local.snapshots.scm.url)
project.ext.set("projectMvn", projectMaven)

tree-manve-repo.tree

marcello@hawaii:/u1/development/workspaces/maceio/maceio-financial/financial-core$ tree ../../maven-repo/
../../maven-repo/
├── releases
│   └── com
│       └── maceio
│           └── financial
│               └── maceio-financial-core
│                   ├── 0.0.1
│                   │   ├── maceio-financial-core-0.0.1.jar
│                   │   ├── maceio-financial-core-0.0.1.jar.md5
│                   │   ├── maceio-financial-core-0.0.1.jar.sha1
│                   │   ├── maceio-financial-core-0.0.1.pom
│                   │   ├── maceio-financial-core-0.0.1.pom.md5
│                   │   └── maceio-financial-core-0.0.1.pom.sha1
│                   ├── maven-metadata.xml
│                   ├── maven-metadata.xml.md5
│                   └── maven-metadata.xml.sha1
└── snapshots
    └── com
        └── maceio
            └── financial
                └── maceio-financial-core
                    ├── 0.0.1-SNAPSHOT
                    │   ├── maceio-financial-core-0.0.1-20120424.093920-1.jar
                    │   ├── maceio-financial-core-0.0.1-20120424.093920-1.jar.md5
                    │   ├── maceio-financial-core-0.0.1-20120424.093920-1.jar.sha1
                    │   ├── maceio-financial-core-0.0.1-20120424.093920-1.pom
                    │   ├── maceio-financial-core-0.0.1-20120424.093920-1.pom.md5
                    │   ├── maceio-financial-core-0.0.1-20120424.093920-1.pom.sha1
                    │   ├── maven-metadata.xml
                    │   ├── maven-metadata.xml.md5
                    │   └── maven-metadata.xml.sha1
                    ├── maven-metadata.xml
                    ├── maven-metadata.xml.md5
                    └── maven-metadata.xml.sha1

uploadArchivesToRemoteNexus.gradle

/*
 * If the version name ends with "SNAPSHOT" (capital letters), Gradle will automatically upload the artifact to
 * the repository "snapshotRepository". Otherwise,  it will be uploaded to the regular releases repository.
 */
uploadArchives {
    description = "Uploads the generated jar ${archivesBaseName}-${version}.jar to ${projectMvn.remote[runtimeRepoType].nexus.url}"
    repositories.mavenDeployer {
        repository(url: "${projectMvn.remote.releases.nexus.url}") {
            authentication(userName: "${projectMvn.remote.releases.nexus.username}", password: "${projectMvn.remote.releases.nexus.password}")
        }
        snapshotRepository(url: "${projectMvn.remote.snapshots.nexus.url}") {
            authentication(userName: "${projectMvn.remote.snapshots.nexus.username}", password: "${projectMvn.remote.snapshots.nexus.password}")
        }
    }
}