fix Wercker build

Author: Vladimir Kotal

wercker.yml

@@ -1,19 +1,30 @@
 # This references an OpenJDK container from the
 # Docker Hub https://hub.docker.com/_/openjdk/
-# Read more about containers on our dev center
-# http://devcenter.wercker.com/docs/containers/index.html
 box: openjdk:8-jdk
 
-# This is the build pipeline. Pipelines are the core of wercker
-# Read more about pipelines on our dev center
-# http://devcenter.wercker.com/docs/pipelines/index.html
+# This should switch to Oracle JDK however does not work:
+#box:
+#  id: store/oracle/serverjre
+#  username: $DOCKER_USERNAME
+#  password: $DOCKER_PASSWORD
+#  tag: 8
+
 build:
-    # Steps make up the actions in your pipeline
-    # Read more about steps on our dev center:
-    # http://devcenter.wercker.com/docs/steps/index.html
   steps:
-    # https://github.com/wercker/step-maven
-    - wercker/maven:
-      goals: install
-      cache_repo: true
-      version: 3.5.2
+    - install-packages:
+      packages: sudo maven exuberant-ctags cvs git mercurial cssc bzr subversion monotone rcs pep8
+    - script:
+      name: Maven install
+      code: |
+        /usr/sbin/groupadd -g 1000 foobar
+        /usr/sbin/useradd -u 1000 -g 1000 -s /bin/bash -m foobar
+        echo $WERCKER_ROOT > /tmp/wroot
+        chown -R foobar:foobar $WERCKER_ROOT
+        /usr/bin/sudo -i -u foobar -- bash -c 'cd `cat /tmp/wroot`; /usr/bin/mvn verify'
+
+# Ideally this should support running under non-root user:
+#    # https://github.com/wercker/step-maven
+#    - wercker/maven:
+#      goals: install
+#      cache_repo: true
+#      version: 3.5.2