From b76a3f3f42ad23a435cd26a53589666a68d657dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=99=BD=E8=81=94?= <594647004@qq.com>
Date: Wed, 28 Apr 2021 14:48:25 +0800
Subject: [PATCH] Check whether parameter.cmd is nill for sidecar trait (#1575)

---
 charts/vela-core/templates/defwithtemplate/sidecar.yaml | 8 +++++---
 hack/vela-templates/cue/sidecar.cue                     | 8 +++++---
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/charts/vela-core/templates/defwithtemplate/sidecar.yaml b/charts/vela-core/templates/defwithtemplate/sidecar.yaml
index e836a868f..04042e214 100644
--- a/charts/vela-core/templates/defwithtemplate/sidecar.yaml
+++ b/charts/vela-core/templates/defwithtemplate/sidecar.yaml
@@ -16,9 +16,11 @@ spec:
         patch: {
         	// +patchKey=name
         	spec: template: spec: containers: [{
-        		name:    parameter.name
-        		image:   parameter.image
-        		command: parameter.cmd
+        		name:  parameter.name
+        		image: parameter.image
+        		if parameter.cmd != _|_ {
+        			command: parameter.cmd
+        		}
         		if parameter["volumes"] != _|_ {
         			volumeMounts: [ for v in parameter.volumes {
         				{
diff --git a/hack/vela-templates/cue/sidecar.cue b/hack/vela-templates/cue/sidecar.cue
index 209339495..1661430e5 100644
--- a/hack/vela-templates/cue/sidecar.cue
+++ b/hack/vela-templates/cue/sidecar.cue
@@ -1,9 +1,11 @@
 patch: {
 	// +patchKey=name
 	spec: template: spec: containers: [{
-		name:    parameter.name
-		image:   parameter.image
-		command: parameter.cmd
+		name:  parameter.name
+		image: parameter.image
+		if parameter.cmd != _|_ {
+			command: parameter.cmd
+		}
 		if parameter["volumes"] != _|_ {
 			volumeMounts: [ for v in parameter.volumes {
 				{