only sets default value for chef license when installing chef and the install command is not set

provisioner/chef-client/provisioner.go

@@ -196,8 +196,10 @@ func (p *Provisioner) Prepare(raws ...interface{}) error {
 			errs, fmt.Errorf("server_url must be set"))
 	}
 
-	if p.config.ChefLicense == "" {
-		p.config.ChefLicense = "accept-silent"
+	if p.config.SkipInstall == false && p.config.InstallCommand == p.guestOSTypeConfig.installCommand {
+		if p.config.ChefLicense == "" {
+			p.config.ChefLicense = "accept-silent"
+		}
 	}
 
 	if p.config.EncryptedDataBagSecretPath != "" {

provisioner/chef-client/provisioner_test.go

@@ -164,6 +164,32 @@ func TestProvisionerPrepare_chefLicense(t *testing.T) {
 	if p.config.ChefLicense != "accept" {
 		t.Fatalf("unexpected: %#v", p.config.ChefLicense)
 	}
+
+	// Test set skipInstall true
+	config = testConfig()
+	config["skip_install"] = true
+	p = Provisioner{}
+	err = p.Prepare(config)
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	if p.config.ChefLicense != "" {
+		t.Fatalf("unexpected: %#v", "empty string")
+	}
+
+	// Test set installCommand true
+	config = testConfig()
+	config["install_command"] = "install chef"
+	p = Provisioner{}
+	err = p.Prepare(config)
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	if p.config.ChefLicense != "" {
+		t.Fatalf("unexpected: %#v", "empty string")
+	}
 }
 
 func TestProvisionerPrepare_encryptedDataBagSecretPath(t *testing.T) {

provisioner/chef-solo/provisioner.go

@@ -146,8 +146,10 @@ func (p *Provisioner) Prepare(raws ...interface{}) error {
 		p.config.StagingDir = p.guestOSTypeConfig.stagingDir
 	}
 
-	if p.config.ChefLicense == "" {
-		p.config.ChefLicense = "accept-silent"
+	if p.config.SkipInstall == false && p.config.InstallCommand == p.guestOSTypeConfig.installCommand {
+		if p.config.ChefLicense == "" {
+			p.config.ChefLicense = "accept-silent"
+		}
 	}
 
 	var errs *packer.MultiError

provisioner/chef-solo/provisioner_test.go

@@ -61,6 +61,32 @@ func TestProvisionerPrepare_chefLicense(t *testing.T) {
 	if p.config.ChefLicense != "accept" {
 		t.Fatalf("unexpected: %#v", p.config.ChefLicense)
 	}
+
+	// Test set skipInstall true
+	config = testConfig()
+	config["skip_install"] = true
+	p = Provisioner{}
+	err = p.Prepare(config)
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	if p.config.ChefLicense != "" {
+		t.Fatalf("unexpected: %#v", "empty string")
+	}
+
+	// Test set installCommand true
+	config = testConfig()
+	config["install_command"] = "install chef"
+	p = Provisioner{}
+	err = p.Prepare(config)
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	if p.config.ChefLicense != "" {
+		t.Fatalf("unexpected: %#v", "empty string")
+	}
 }
 
 func TestProvisionerPrepare_configTemplate(t *testing.T) {