third_party/build_monitor: use JIRI_ROOT from postsubmit-poll to run jiri-oncall.

Change-Id: I5520c689d03537d8ada20aee97263511689d540e
diff --git a/java/jenkins_plugins/build_monitor/pom.xml b/java/jenkins_plugins/build_monitor/pom.xml
index 07dc1dd..09c3697 100644
--- a/java/jenkins_plugins/build_monitor/pom.xml
+++ b/java/jenkins_plugins/build_monitor/pom.xml
@@ -9,7 +9,7 @@
 
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>vanadium-build-monitor-plugin</artifactId>
-    <version>0.34</version>
+    <version>0.35</version>
     <packaging>hpi</packaging>
 
     <name>Vanadium Build Monitor</name>
diff --git a/java/jenkins_plugins/build_monitor/src/main/java/com/smartcodeltd/jenkinsci/plugins/buildmonitor/BuildMonitorView.java b/java/jenkins_plugins/build_monitor/src/main/java/com/smartcodeltd/jenkinsci/plugins/buildmonitor/BuildMonitorView.java
index 77ff4c4..f127b9e 100644
--- a/java/jenkins_plugins/build_monitor/src/main/java/com/smartcodeltd/jenkinsci/plugins/buildmonitor/BuildMonitorView.java
+++ b/java/jenkins_plugins/build_monitor/src/main/java/com/smartcodeltd/jenkinsci/plugins/buildmonitor/BuildMonitorView.java
@@ -49,10 +49,13 @@
 import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
+import java.util.Map;
 import java.util.Random;
 import java.util.regex.Pattern;
 import java.util.regex.PatternSyntaxException;
@@ -201,8 +204,12 @@
   }
 
   private String getOncall() {
-    ProcessBuilder ps = new ProcessBuilder("ssh", "veyron@git-mirror",
-        "JIRI_ROOT=/home/veyron/vanadium", "/home/veyron/vanadium/devtools/bin/jiri-oncall");
+    String postSubmitRoot =
+        "/usr/local/google/home/veyron/.jenkins/jobs/vanadium-postsubmit-poll/workspace/root";
+    Path path = Paths.get(postSubmitRoot, ".jiri_root/bin/jiri-oncall");
+    ProcessBuilder ps = new ProcessBuilder(path.toString());
+    Map<String, String> env = ps.environment();
+    env.put("JIRI_ROOT", postSubmitRoot);
     ps.redirectErrorStream(true);
     String output = "";
     BufferedReader in = null;