added scripts

build.gradle

@@ -19,7 +19,7 @@ buildscript {
 
 if(System.getenv('TRAVIS')){
     apply plugin: 'io.codearte.nexus-staging'
-    apply from : './scripts/deploy.gradle'
+    apply from: './scripts/deploy.gradle'
 }
 
 dependencies {

scripts/deploy-jars.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -e # exit with nonzero exit code if anything fails
+
+openssl aes-256-cbc -K $encrypted_330589789bd4_key -iv $encrypted_330589789bd4_iv -in deployment.key.enc -out deployment.key -d
+secreteFilePath=$(pwd)/deployment.key
+echo "Deployment key found"
+
+echo "Executing gradle deployToMavenCentral"
+./gradlew deployToMavenCentral -PdeploymentVersion=${TRAVIS_TAG} -Psigning.keyId=${signingKeyId} -Psigning.password=${signingPassword}  -Psigning.secretKeyRingFile=$secreteFilePath -PossrhUsername=${ossrhUsername} -PossrhPassword=${ossrhPassword} --stacktrace --info
+
+rm $secreteFilePath

scripts/deploy.gradle

@@ -0,0 +1,99 @@
+/*
+ * Get the proper version for the project. This method will extract the version number from the project variable "deploymentVersion".
+*/
+def getVersion = {
+    if( ! project.hasProperty('deploymentVersion') ) {
+        throw new RuntimeException("deploymentVersion not provided. You must specify a 'deploymentVersion' project variable (gradlew -PdeploymentVersion=..)")
+    }
+
+    String tmpDeploymentVersion = deploymentVersion.replaceFirst("v", "");
+
+    if( ! tmpDeploymentVersion.matches("\\d+\\.\\d+\\.\\d+")) {
+        throw new RuntimeException("Version is not valid. Correct format is like 1.0.2 but was " + tmpDeploymentVersion)
+    }
+
+    return tmpDeploymentVersion;
+}
+
+/*
+ * Assert that the project properties necessary for the deployment to sonatype are correctly set.
+*/
+def assertDeploymentPropertiesAreSet = {
+    boolean propertiesSet = project.getProperties().keySet().containsAll(Arrays.asList('ossrhUsername', 'ossrhPassword', 'signing.keyId', 'signing.password', 'signing.secretKeyRingFile'))
+    if( ! propertiesSet ) {
+        throw new RuntimeException("Deployment project properties are not correctly set: ossrhUsername, ossrhPassword, signing.keyId, signing.password, signing.secretKeyRingFile")
+    }
+}
+
+signing {
+    required { gradle.getTaskGraph().hasTask("uploadArchives") }
+    sign configurations.archives
+}
+
+task configureSonatypeDeployment(type: DefaultTask) << {
+
+    assertDeploymentPropertiesAreSet()
+
+    nexusStaging {
+        packageGroup = "org.tensorics"
+        username = ossrhUsername
+        password = ossrhPassword
+        // Sonatype Nexus may take some time to properly close the repo, it has to perform some checks
+        delayBetweenRetriesInMillis = 10000
+        numberOfRetries = 10
+    }
+
+    uploadArchives {
+        repositories {
+            mavenDeployer {
+                beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
+
+                repository(url: "https://oss.sonatype.org/service/local/staging/deploy/maven2/") {
+                    authentication(userName: ossrhUsername, password: ossrhPassword)
+                }
+
+                snapshotRepository(url: "https://oss.sonatype.org/content/repositories/snapshots/") {
+                    authentication(userName: ossrhUsername, password: ossrhPassword)
+                }
+
+                pom.project {
+                    name 'tensorics-expression'
+                    packaging 'jar'
+                    description ''
+                    url 'http://www.tensorics.org'
+
+                    groupId 'org.tensorics'
+                    artifactId 'tensorics-expression'
+                    version getVersion()
+
+                    scm {
+                        connection 'scm:git:https://github.com/tensorics/tensorics-expression.git'
+                        developerConnection 'scm:git:https://github.com/tensorics/tensorics-expression.git'
+                        url 'https://github.com/tensorics/tensorics-expression.git'
+                    }
+
+                    licenses {
+                        license {
+                            name 'The Apache License, Version 2.0'
+                            url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
+                        }
+                    }
+
+                    developers {
+                        developer {
+                            id 'andreacalia'
+                            name 'Andrea Calia'
+                            email '[email protected]'
+                        }
+                    }
+
+                }
+            }
+        }
+    }
+}
+
+// Define the deploying task and defining the order for the dependencies
+task deployToMavenCentral(dependsOn: ['configureSonatypeDeployment', 'uploadArchives', 'closeAndPromoteRepository'], type: DefaultTask)
+uploadArchives.mustRunAfter configureSonatypeDeployment
+closeAndPromoteRepository.mustRunAfter uploadArchives