From 1cc7246d85e2f547112d538873d87c701594827d Mon Sep 17 00:00:00 2001
From: Paul Campbell <pcampbell@kemitix.net>
Date: Fri, 9 Mar 2018 17:30:59 +0000
Subject: [PATCH] jenkins: only enter some stages when suitable files exist

---
 Jenkinsfile.groovy | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Jenkinsfile.groovy b/Jenkinsfile.groovy
index 02c109f..8516706 100644
--- a/Jenkinsfile.groovy
+++ b/Jenkinsfile.groovy
@@ -20,6 +20,7 @@ pipeline {
             }
         }
         stage('Static Code Analysis') {
+            when { expression { findFiles(glob: '**/src/main/java/*.java').length > 0 } }
             steps {
                 withMaven(maven: 'maven 3.5.2', jdk: 'JDK 1.8') {
                     sh "${mvn} compile checkstyle:checkstyle pmd:pmd"
@@ -46,6 +47,7 @@ pipeline {
             }
         }
         stage('Test Results') {
+            when { expression { findFiles(glob: '**/target/surefire-reports/*.xml').length > 0 } }
             steps {
                 junit '**/target/surefire-reports/*.xml'
                 jacoco exclusionPattern: '**/*{Test|IT|Main|Application|Immutable}.class'
@@ -59,6 +61,7 @@ pipeline {
             }
         }
         stage('Archiving') {
+            when { expression { findFiles(glob: '**/target/*.jar').length > 0 } }
             steps {
                 archiveArtifacts '**/target/*.jar'
             }