travis configuration: deploy on build

.ci/.maven-settings.xml

@@ -0,0 +1,21 @@
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
+<!-- 
+	This file is included so that Travis can deploy artifacts to CLARIN's nexus repository
+	<https://nexus.clarin.eu>
+
+	More info at <https://trac.clarin.eu/wiki/Nexus>.
+-->
+
+	<servers>
+		<server>
+		  <id>CLARIN</id>
+		  <username>${env.NEXUS_DEPLOY_USERNAME}</username>
+		  <password>${env.NEXUS_DEPLOY_PASSWORD}</password>
+		</server>
+		<server>
+		  <id>CLARIN-Snapshot</id>
+		  <username>${env.NEXUS_DEPLOY_USERNAME}</username>
+		  <password>${env.NEXUS_DEPLOY_PASSWORD}</password>
+		</server>
+	</servers>
+</settings>

.ci/README.md

@@ -0,0 +1 @@
+Files and settings for continuous integration (build/deploy jobs at Travis-CI)

.ci/build.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# Determine Maven goal
+# Behaviour can be overridden by exporting the MVN_GOAL variable
+if [ ! -z "${MVN_GOAL}" ]
+then
+	echo "Using goal from MVN_GOAL variable: ${MVN_GOAL}"
+else
+	#by default, use "install"
+    MVN_GOAL="install"
+
+	#check if nexus credentials are set
+    if [ -z "${NEXUS_DEPLOY_USERNAME}" ] || [ -z "${NEXUS_DEPLOY_PASSWORD}" ]
+    then
+        echo "Nexus credentials not set. Skipping Maven deployment!"
+    else
+    	#if snapshot OR tag, deploy
+    	if [ ! -z "${TRAVIS_TAG}" ] || (grep "<version>" pom.xml|head -n1 | egrep -q "<version>.*SNAPSHOT</version>")
+    	then
+	        MVN_GOAL="deploy"	
+	    else
+	    	echo "Not a snapshot release or tagged revision. Skipping Maven deployment!"
+	    fi
+    fi
+fi
+mvn ${MVN_GOAL} $@

.travis.yml

@@ -1,4 +1,16 @@
-sudo: false
 language: java
 jdk:
 - openjdk8
+
+script:
+- bash -c 'if [ "${TRAVIS_TAG}" ]; then mvn versions:set -DnewVersion=${TRAVIS_TAG} versions:commit; fi'
+- .ci/build.sh -B --settings .ci/.maven-settings.xml
+
+deploy:
+  provider: releases
+  prerelease: true
+  api_key: "${GITHUB_DEPLOY_TOKEN}"
+  file: "target/cmd-toolkit-${TRAVIS_TAG}.jar"
+  skip_cleanup: true
+  on:
+    tags: true