From 75d86a15ee1212d59d6398dce27380a6ffecadf8 Mon Sep 17 00:00:00 2001
From: Grahame Grieve <grahameg@gmail.com>
Date: Wed, 14 Aug 2019 17:34:07 +1000
Subject: [PATCH] set exit code to number of errors

---
 .../main/java/org/hl7/fhir/r5/validation/Validator.java  | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/r5/validation/Validator.java b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/r5/validation/Validator.java
index dd733395d..b42fdb44a 100644
--- a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/r5/validation/Validator.java
+++ b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/r5/validation/Validator.java
@@ -454,17 +454,19 @@ public class Validator {
           System.out.println("  .. validate "+sources);
         validator.prepare(); // generate any missing snapshots
         Resource r = validator.validate(sources, profiles);
+        int ec = 0;
         if (output == null) {
           if (r instanceof Bundle)
             for (BundleEntryComponent e : ((Bundle)r).getEntry())
-              displayOO((OperationOutcome)e.getResource());
+              ec  = displayOO((OperationOutcome)e.getResource()) + ec;
           else
-            displayOO((OperationOutcome)r);
+            ec = displayOO((OperationOutcome)r);
         } else {
           FileOutputStream s = new FileOutputStream(output);
           x.compose(s, r);
           s.close();
         }
+        System.exit(ec);
       }
     }
   }
@@ -512,7 +514,7 @@ public class Validator {
     s.close();
   }
 
-  private static void displayOO(OperationOutcome oo) {
+  private static int displayOO(OperationOutcome oo) {
     int error = 0;
     int warn = 0;
     int info = 0;
@@ -532,6 +534,7 @@ public class Validator {
       System.out.println(getIssueSummary(issue));
     }
     System.out.println();
+    return error;
   }
 
   private static String getIssueSummary(OperationOutcomeIssueComponent issue) {