From 1c1abd578fd90f7b4f5815e8968d20be6f9bb844 Mon Sep 17 00:00:00 2001
From: Alexander Verhaar <sanderv32@gmail.com>
Date: Sat, 20 Jan 2018 19:32:34 +0100
Subject: [PATCH] Skip job if commit message starts with '[IGNORE]'

---
 .../jenkinsci/plugins/gogs/GogsWebHook.java   | 25 +++++++++++++------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/src/main/java/org/jenkinsci/plugins/gogs/GogsWebHook.java b/src/main/java/org/jenkinsci/plugins/gogs/GogsWebHook.java
index fd22df9..3ed2012 100644
--- a/src/main/java/org/jenkinsci/plugins/gogs/GogsWebHook.java
+++ b/src/main/java/org/jenkinsci/plugins/gogs/GogsWebHook.java
@@ -147,7 +147,18 @@ public void doIndex(StaplerRequest req, StaplerResponse rsp) throws IOException
         // Get the POST stream
         String body = IOUtils.toString(req.getInputStream(), DEFAULT_CHARSET);
         if (!body.isEmpty() && req.getRequestURI().contains("/" + URLNAME + "/")) {
-            String contentType = req.getContentType();
+            JSONObject jsonObject = JSONObject.fromObject(body);
+            JSONObject commits = (JSONObject) jsonObject.getJSONArray("commits").get(0);
+            String message = (String) commits.get("message");
+
+            if (message.startsWith("[IGNORE]")) {
+                // Ignore commits starting with message "[IGNORE]"
+                result.setStatus(200, "Ignoring push");
+                exitWebHook(result, rsp);
+                return;
+            }
+
+                String contentType = req.getContentType();
             if (contentType != null && contentType.startsWith("application/x-www-form-urlencoded")) {
                 body = URLDecoder.decode(body, DEFAULT_CHARSET);
             }
@@ -155,8 +166,6 @@ public void doIndex(StaplerRequest req, StaplerResponse rsp) throws IOException
                 body = body.substring(8);
             }
 
-            JSONObject jsonObject = JSONObject.fromObject(body);
-
             String jSecret = null;
             boolean foundJob = false;
 
@@ -171,7 +180,7 @@ public void doIndex(StaplerRequest req, StaplerResponse rsp) throws IOException
 
                 if (job != null) {
                     foundJob = true;
-                /* secret is stored in the properties of Job */
+                    /* secret is stored in the properties of Job */
                     final GogsProjectProperty property = (GogsProjectProperty) job.getProperty(GogsProjectProperty.class);
                     if (property != null) { /* only if Gogs secret is defined on the job */
                         jSecret = property.getGogsSecret(); /* Secret provided by Jenkins */
@@ -185,7 +194,7 @@ public void doIndex(StaplerRequest req, StaplerResponse rsp) throws IOException
 
                     if (job != null) {
                         foundJob = true;
-                    /* secret is stored in the properties of Job */
+                        /* secret is stored in the properties of Job */
                         final GogsProjectProperty property = (GogsProjectProperty) job.getProperty(GogsProjectProperty.class);
                         if (property != null) { /* only if Gogs secret is defined on the job */
                             jSecret = property.getGogsSecret(); /* Secret provided by Jenkins */
@@ -216,13 +225,13 @@ public void doIndex(StaplerRequest req, StaplerResponse rsp) throws IOException
                 result.setStatus(404, msg);
                 LOGGER.warning(msg);
             } else if (isNullOrEmpty(jSecret) && isNullOrEmpty(gSecret)) {
-          /* No password is set in Jenkins and Gogs, run without secrets */
+                /* No password is set in Jenkins and Gogs, run without secrets */
                 result = payloadProcessor.triggerJobs(jobName, gogsDelivery);
             } else if (!isNullOrEmpty(jSecret) && jSecret.equals(gSecret)) {
-          /* Password is set in Jenkins and Gogs, and is correct */
+                /* Password is set in Jenkins and Gogs, and is correct */
                 result = payloadProcessor.triggerJobs(jobName, gogsDelivery);
             } else {
-          /* Gogs and Jenkins secrets differs */
+                /* Gogs and Jenkins secrets differs */
                 result.setStatus(403, "Incorrect secret");
             }
         } else {