Deploy improvements

Jenkinsfile

@@ -1,5 +1,7 @@
 #!/usr/bin/env groovy
 
+def buildError = null;
+
 try {
     switch (env.BRANCH_NAME) {
         case 'master':
@@ -16,11 +18,11 @@ try {
     node {
         stage ('Checkout') {
             checkout scm
-            env.GIT_COMMIT_EMAIL = sh (
+            env.GIT_COMMITTER_EMAIL = sh (
                 script: "git --no-pager show -s --format='%ae'",
                 returnStdout: true
             ).trim()
-            echo "Commiter: ${env.GIT_COMMIT_EMAIL}"
+            echo "Commiter: ${env.GIT_COMMITTER_EMAIL}"
         }
         stage ('Build') {
             nodejs('node-lts') {
@@ -60,9 +62,23 @@ try {
         body: "Check status at ${env.BUILD_URL}"
     )
 } catch(e) {
+    buildError = e;
+}
+
+if (env.GIT_COMMIT_EMAIL) {
+    def status
+    def body = "<p>Check status at ${env.BUILD_URL}</p>";
+
+    if (buildError) {
+        status = 'Failed'
+        body += buildError.getMessage()
+    } else {
+        status = 'Success';
+    }
+
     mail(
         to: env.GIT_COMMIT_EMAIL,
-        subject: "Pipeline failed: ${env.JOB_NAME} (${env.BUILD_NUMBER})",
-        body: "Check status at ${env.BUILD_URL}"
+        subject: "Pipeline: ${status}: ${env.JOB_NAME} (${env.BUILD_NUMBER})",
+        body: body
     )
 }