Merge pull request #135 from bitwiseman/feature/jenkinsfile

Add Jenkins pipeline

Jenkinsfile

@@ -0,0 +1,78 @@
+#!groovy
+
+/* Only keep the 10 most recent builds. */
+properties([[$class: 'BuildDiscarderProperty',
+                strategy: [$class: 'LogRotator', numToKeepStr: '10']]])
+
+stage 'Build'
+
+node {
+  // Checkout
+  checkout scm
+
+  // Use a particular version of ruby (configured by rvm) to run build
+  withRuby (version: '2.1.9',
+    sh: '''
+    # install required bundles
+    bundle install || exit 1
+
+    # compile native components
+    bundle exec rake compile || exit 1
+
+    # build the package
+    bundle exec rake build || exit 1
+
+    # run tests and coverage
+    bundle exec rake spec || exit 1
+    '''
+  )
+
+  // Archive the built artifacts
+  archive (includes: 'pkg/*.gem')
+
+  // publish html
+  // "target:" shouldn't be needed, https://issues.jenkins-ci.org/browse/JENKINS-29711.
+  publishHTML (target: [
+      allowMissing: false,
+      alwaysLinkToLastBuild: false,
+      keepAll: true,
+      reportDir: 'coverage',
+      reportFiles: 'index.html',
+      reportName: "RCov Report"
+    ])
+}
+
+// Helper to run shell with specific ruby version configured.
+// Rvm configuration is a bit involved and can go sideways easily
+def withRuby (rubyVersion, sh) {
+  // Rvm wants the shell it runs in to be a login shell
+  def shellScript = """#!/bin/bash --login
+    # Ensure rvm is configured
+    rvm current || exit 1
+
+    # Rvm also wants to be run from a function, so pull it in
+    [[ -s "\$HOME/.rvm/scripts/rvm" ]] && source "\$HOME/.rvm/scripts/rvm"
+
+    # Ensure the requested version of ruby is installed
+    rvm install ${rubyVersion} || exit 1
+
+    # Use the requested version of ruby
+    rvm use ${rubyVersion} || exit 1
+    rvm current && rvm info || exit 1
+
+    # Fail if the requested version of ruby is not active when we're done
+    [[ "\$(rvm current)" == *"${rubyVersion}"* ]] || {
+      echo Failed to set ruby to version ${rubyVersion}!
+      exit 1
+    }
+
+    # ensure bundle gem is installed for this version of ruby
+    gem install bundle
+
+    # run the commands that were passed
+    ${sh}
+    """
+
+  sh shellScript
+
+}