cmd: preserve exact bytes when displaying template/system layers (#7586)

cmd/cmd.go

@@ -800,9 +800,9 @@ func ShowHandler(cmd *cobra.Command, args []string) error {
 		case "parameters":
 			fmt.Println(resp.Parameters)
 		case "system":
-			fmt.Println(resp.System)
+			fmt.Print(resp.System)
 		case "template":
-			fmt.Println(resp.Template)
+			fmt.Print(resp.Template)
 		}
 
 		return nil

server/routes.go

@@ -540,6 +540,11 @@ func (s *Server) PullHandler(c *gin.Context) {
 		return
 	}
 
+	if err := checkNameExists(name); err != nil {
+		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
 	ch := make(chan any)
 	go func() {
 		defer close(ch)
@@ -623,7 +628,7 @@ func checkNameExists(name model.Name) error {
 	}
 
 	for n := range names {
-		if strings.EqualFold(n.Filepath(), name.Filepath()) && n.EqualFold(name) {
+		if strings.EqualFold(n.Filepath(), name.Filepath()) && n != name {
 			return errors.New("a model with that name already exists")
 		}
 	}

types/model/name.go

@@ -298,13 +298,6 @@ func (n Name) LogValue() slog.Value {
 	return slog.StringValue(n.String())
 }
 
-func (n Name) EqualFold(o Name) bool {
-	return strings.EqualFold(n.Host, o.Host) &&
-		strings.EqualFold(n.Namespace, o.Namespace) &&
-		strings.EqualFold(n.Model, o.Model) &&
-		strings.EqualFold(n.Tag, o.Tag)
-}
-
 func isValidLen(kind partKind, s string) bool {
 	switch kind {
 	case kindHost: