From 73e922b8ac4274a2c77e7e17ce9ba923080a91f4 Mon Sep 17 00:00:00 2001
From: Rao Venkata Krishna
 <VenkataKrishna.KaranamSuryanarayanaRao@esolutions.de>
Date: Mon, 19 Mar 2018 15:38:59 +0100
Subject: [PATCH] Added GERRIT_EVENT_FILE_BASED environment variable

     GERRIT_EVENT_FILE_BASED is set to True if the
     build is triggered due to a file-based event.
     Otherwise, False.
---
 .../trigger/hudsontrigger/GerritTrigger.java  | 41 +++++++++++++++++++
 .../GerritTriggerParameters.java              | 10 ++++-
 2 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/sonyericsson/hudson/plugins/gerrit/trigger/hudsontrigger/GerritTrigger.java b/src/main/java/com/sonyericsson/hudson/plugins/gerrit/trigger/hudsontrigger/GerritTrigger.java
index f3c875cf2..8d1fef199 100644
--- a/src/main/java/com/sonyericsson/hudson/plugins/gerrit/trigger/hudsontrigger/GerritTrigger.java
+++ b/src/main/java/com/sonyericsson/hudson/plugins/gerrit/trigger/hudsontrigger/GerritTrigger.java
@@ -143,6 +143,7 @@ public class GerritTrigger extends Trigger<Job> {
      * abort running jobs by setting this to 'false'.
      */
     public static final String JOB_ABORT = GerritTrigger.class.getName() + "_job_abort";
+    private transient GerritTriggerRuntimeParam triggerParamRuntime = new GerritTriggerRuntimeParam();
 
     //! Association between patches and the jobs that we're running for them
     private transient RunningJobs runningJobs = new RunningJobs();
@@ -988,6 +989,10 @@ public boolean isInteresting(GerritTriggeredEvent event) {
                                                     changeBasedEvent.getFiles(
                                                         new GerritQueryHandler(getServerConfig(event))))) {
                                 logger.trace("According to {} the event is interesting.", p);
+                                if (triggerParamRuntime == null) {
+                                        triggerParamRuntime = new GerritTriggerRuntimeParam();
+                                }
+                                triggerParamRuntime.setfileBasedMatch(true);
                                 return true;
                             }
                         } else {
@@ -1658,6 +1663,14 @@ public String getBuildNotBuiltMessage() {
         return buildNotBuiltMessage;
     }
 
+    /**
+     *
+     * @return True or False
+     */
+    public boolean getfileBasedMatch() {
+        return this.triggerParamRuntime.getfileBasedMatch();
+    }
+
     /**
      * Message to write to Gerrit when all builds are not built.
      *
@@ -2215,6 +2228,34 @@ public List<PluginGerritEvent.PluginGerritEventDescriptor> getGerritEventDescrip
         }
     }
 
+    /**
+     * Class for maintaining the Gerrit Trigger parameters.
+     * These are parameters whose values are known only after querying Gerrit, for example,
+     * the criterion by which something was 'isInteresting', say because the file modified
+     * in a changeset matched the file-based trigger file list.
+     */
+    public class GerritTriggerRuntimeParam {
+        private boolean fileBasedMatch = false;
+
+        /**
+         * Set file based match if found so.
+         *
+         * @param i true or false
+         */
+        public void setfileBasedMatch(boolean i) {
+            this.fileBasedMatch = i;
+        }
+
+        /**
+         * Returns true or false.
+         *
+         * @return true or false
+         */
+        public boolean getfileBasedMatch() {
+            return this.fileBasedMatch;
+        }
+    }
+
     /**
      * Class for maintaining and synchronizing the runningJobs info.
      * Association between patches and the jobs that we're running for them.
diff --git a/src/main/java/com/sonyericsson/hudson/plugins/gerrit/trigger/hudsontrigger/GerritTriggerParameters.java b/src/main/java/com/sonyericsson/hudson/plugins/gerrit/trigger/hudsontrigger/GerritTriggerParameters.java
index b512c9c63..7528f9e58 100644
--- a/src/main/java/com/sonyericsson/hudson/plugins/gerrit/trigger/hudsontrigger/GerritTriggerParameters.java
+++ b/src/main/java/com/sonyericsson/hudson/plugins/gerrit/trigger/hudsontrigger/GerritTriggerParameters.java
@@ -238,7 +238,11 @@ public enum GerritTriggerParameters {
     /**
      * Comment posted to Gerrit in a comment-added event.
      */
-    GERRIT_EVENT_COMMENT_TEXT;
+    GERRIT_EVENT_COMMENT_TEXT,
+    /**
+     * Set to true if file based match.
+     */
+    GERRIT_EVENT_FILE_BASED;
 
     private static final Logger logger = LoggerFactory.getLogger(GerritTriggerParameters.class);
 
@@ -373,6 +377,7 @@ public static void setOrCreateParameters(GerritTriggeredEvent gerritEvent, Job p
         boolean escapeQuotes = false;
         ParameterMode commitMessageMode = ParameterMode.BASE64;
         ParameterMode changeSubjectMode = ParameterMode.PLAIN;
+        boolean getfileBasedMatch = false;
         ParameterMode commentTextMode = ParameterMode.BASE64;
         if (project != null) {
             GerritTrigger trigger = GerritTrigger.getTrigger(project);
@@ -382,9 +387,12 @@ public static void setOrCreateParameters(GerritTriggeredEvent gerritEvent, Job p
                 commitMessageMode = trigger.getCommitMessageParameterMode();
                 changeSubjectMode = trigger.getChangeSubjectParameterMode();
                 commentTextMode = trigger.getCommentTextParameterMode();
+                getfileBasedMatch = trigger.getfileBasedMatch();
             }
         }
 
+        GERRIT_EVENT_FILE_BASED.setOrCreateStringParameterValue(
+                parameters, String.valueOf(getfileBasedMatch), escapeQuotes);
         GERRIT_EVENT_TYPE.setOrCreateStringParameterValue(
                 parameters, gerritEvent.getEventType().getTypeValue(), escapeQuotes);
         GERRIT_EVENT_HASH.setOrCreateStringParameterValue(