Just check syncuids on default

internal/app/wwctl/container/imprt/main.go

@@ -128,13 +128,13 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 	if err != nil {
 		wwlog.Printf(wwlog.WARN, "Could not copy /etc/resolv.conf into container: %s\n", err)
 	}
-	if !NoSyncUser {
-		err = container.SyncUids(name)
-		if err != nil {
-			wwlog.Printf(wwlog.ERROR, "Error in user sync, fix error and run 'syncuser' manually: %s\n", err)
-			os.Exit(1)
-		}
+
+	err = container.SyncUids(name, SyncUser)
+	if err != nil && SyncUser {
+		wwlog.Printf(wwlog.ERROR, "Error in user sync, fix error and run 'syncuser' manually: %s\n", err)
+		os.Exit(1)
 	}
+
 	fmt.Printf("Building container: %s\n", name)
 	err = container.Build(name, true)
 	if err != nil {

internal/app/wwctl/container/imprt/root.go

@@ -18,7 +18,7 @@ Imported containers are used to create bootable VNFS images.`,
 	SetUpdate  bool
 	SetBuild   bool
 	SetDefault bool
-	NoSyncUser bool
+	SyncUser   bool
 )
 
 func init() {
@@ -26,7 +26,7 @@ func init() {
 	baseCmd.PersistentFlags().BoolVarP(&SetUpdate, "update", "u", false, "Update and overwrite an existing container")
 	baseCmd.PersistentFlags().BoolVarP(&SetBuild, "build", "b", false, "Build container when after pulling")
 	baseCmd.PersistentFlags().BoolVar(&SetDefault, "setdefault", false, "Set this container for the default profile")
-	baseCmd.PersistentFlags().BoolVar(&NoSyncUser, "nosyncuser", false, "Don't synchronize uis/gods from host to container")
+	baseCmd.PersistentFlags().BoolVar(&SyncUser, "syncuser", false, "Don't synchronize uis/gods from host to container")
 }
 
 // GetRootCommand returns the root cobra.Command for the application.

internal/app/wwctl/container/syncuser/main.go

@@ -14,7 +14,7 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 	if !container.ValidName(containerName) {
 		return fmt.Errorf("%s is not a valid container", containerName)
 	}
-	err := container.SyncUids(containerName)
+	err := container.SyncUids(containerName, noSyncUser)
 	if err != nil {
 		wwlog.Printf(wwlog.ERROR, "Error in synchronize: %s\n", err)
 		os.Exit(1)

internal/app/wwctl/container/syncuser/root.go

@@ -24,9 +24,11 @@ uid/gid collision is detected. File ownerships are also changed.`,
 
 		Args: cobra.MinimumNArgs(1),
 	}
+	noSyncUser bool
 )
 
 func init() {
+	baseCmd.PersistentFlags().BoolVar(&noSyncUser, "nosyncuser", false, "Don't synchronize uis/gods just check")
 }
 
 // GetRootCommand returns the root cobra.Command for the application.

internal/pkg/container/util.go

@@ -98,7 +98,7 @@ type simpleUserInfo struct {
 /*
 sync the uids,gids from the host to the container
 */
-func SyncUids(containerName string) error {
+func SyncUids(containerName string, showOnly bool) error {
 	var userDb []completeUserInfo
 	passwdName := "/etc/passwd"
 	groupName := "/etc/group"
@@ -163,6 +163,9 @@ func SyncUids(containerName string) error {
 		*/
 
 	}
+	if !showOnly {
+		return nil
+	}
 	// create list of files which need changed ownerships in order to change them later what
 	// avoid uid/gid collisions
 	for idx, user := range userDb {