Update Jenkinsfile

Jenkinsfile

 pipeline {
     agent any
+    
+    environment {
+    GIT_COMMIT_MSG = ""
+    }
+
     stages {
         stage('get_commit_msg') {
             steps {
                 script {
-                env.GIT_COMMIT_MSG = sh (script: 'git log -1 --pretty=%B ${GIT_COMMIT}', returnStdout: true).trim()
+                HTTPD_LOCATION= sh(  returnStdout: true, script: 'git log --oneline -1 | awk \'{print \$1}\'')
                 }
             }
         }