Use local nexus mirror when running on jenkins

Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>

build.gradle

@@ -79,9 +79,13 @@ allprojects {
   targetCompatibility = '1.8'
 
   repositories {
-    jcenter()
-    mavenCentral()
-    maven { url  "https://consensys.bintray.com/pegasys-repo" }
+    if ("$System.env.JENKINS_URL" == 'https://jenkins.pegasys.tech/') {
+      maven { url "https://nexus.int.pegasys.tech/repository/jcenter/" }
+    } else {
+      jcenter()
+      mavenCentral()
+      maven { url  "https://consensys.bintray.com/pegasys-repo" }
+    }
   }
 
   dependencies {

quickstart/docker-compose.yml

@@ -4,6 +4,8 @@ services:
     build:
       context: ../
       dockerfile: quickstart/pantheon/Dockerfile
+      args:
+        - JENKINS_URL=${JENKINS_URL:-null}
     image: quickstart/pantheon:latest
     entrypoint: /opt/pantheon/bootnode_start.sh --dev-mode
     volumes:

quickstart/pantheon/Dockerfile

@@ -1,4 +1,6 @@
 FROM openjdk:8-jdk as builder
+ARG JENKINS_URL
+ENV JENKINS_URL $JENKINS_URL
 COPY . /tmp/pantheon
 WORKDIR /tmp/pantheon
 RUN ./gradlew installDist -x test