Adds Travis CI chain

Author: feidens

.travis.yml

@@ -1,7 +1,32 @@
 language: java
+install: true   # tells Travis that we run gradlew manually
 jdk:
 - openjdk8
 - openjdk11
+before_cache:
+- rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+- rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+cache:
+  directories:
+  - $HOME/.gradle/caches/
+  - $HOME/.gradle/wrapper/
+
+stages:
+- name: build
+- name: snapshot
+  if: branch = master
+- name: release
+  if: branch = release
+
+jobs:
+  include:
+  - stage: build
+    script: ./gradlew build
+  - stage: snapshot
+    script: ./gradlew publish -x test -Dsnapshot=true -Dnexus.user=$NEXUS_USER -Dnexus.key=$NEXUS_KEY -Dbuild.number=$TRAVIS_BUILD_NUMBER
+  - stage: release
+    script: ./gradlew publish -x test -Dnexus.user=$NEXUS_USER -Dnexus.key=$NEXUS_KEY -Dbuild.number=$TRAVIS_BUILD_NUMBER
+
 deploy:
   provider: releases
   api_key:

build.gradle

@@ -2,10 +2,11 @@ plugins {
     // Apply the java-library plugin to add support for Java Library
     id 'java-library'
     id 'maven'
+    id 'maven-publish'
 }
 
 group = 'de.upb.crypto'
-version = '1.0.0-SNAPSHOT'
+version = '1.0.0' + (Boolean.valueOf(System.getProperty("snapshot")) ? "-SNAPSHOT" : "")
 
 description = """"""
 
@@ -82,3 +83,25 @@ artifacts {
     archives packageTests
 }
 
+publishing {
+    publications {
+        mavenJava(MavenPublication) {
+            from components.java
+            artifact packageTests
+        }
+
+    }
+
+    repositories {
+        maven {
+            credentials {
+                username = System.getProperty('nexus.user')
+                password = System.getProperty('nexus.key')
+            }
+            def releasesRepoUrl = "https://nexus.cs.upb.de/repository/sfb901-snapshots/"
+            def snapshotsRepoUrl = "https://nexus.cs.upb.de/repository/sfb901-snapshots/"
+            url = version.endsWith('SNAPSHOT') ? snapshotsRepoUrl : releasesRepoUrl
+        }
+    }
+}
+

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,6 @@
+#Mon Oct 29 13:19:40 CET 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-all.zip