entc/gen: fix name clash in entc template when entity name has initials as tx (#2633)

entc/integration/cascadelete/ent/comment.go

@@ -114,11 +114,11 @@ func (c *Comment) Update() *CommentUpdateOne {
 // Unwrap unwraps the Comment entity that was returned from a transaction after it was closed,
 // so that all future queries will be executed through the driver which created the transaction.
 func (c *Comment) Unwrap() *Comment {
-	tx, ok := c.config.driver.(*txDriver)
+	_tx, ok := c.config.driver.(*txDriver)
 	if !ok {
 		panic("ent: Comment is not a transactional entity")
 	}
-	c.config.driver = tx.drv
+	c.config.driver = _tx.drv
 	return c
 }
 

entc/integration/cascadelete/ent/post.go

@@ -130,11 +130,11 @@ func (po *Post) Update() *PostUpdateOne {
 // Unwrap unwraps the Post entity that was returned from a transaction after it was closed,
 // so that all future queries will be executed through the driver which created the transaction.
 func (po *Post) Unwrap() *Post {
-	tx, ok := po.config.driver.(*txDriver)
+	_tx, ok := po.config.driver.(*txDriver)
 	if !ok {
 		panic("ent: Post is not a transactional entity")
 	}
-	po.config.driver = tx.drv
+	po.config.driver = _tx.drv
 	return po
 }
 

entc/integration/cascadelete/ent/user.go

@@ -100,11 +100,11 @@ func (u *User) Update() *UserUpdateOne {
 // Unwrap unwraps the User entity that was returned from a transaction after it was closed,
 // so that all future queries will be executed through the driver which created the transaction.
 func (u *User) Unwrap() *User {
-	tx, ok := u.config.driver.(*txDriver)
+	_tx, ok := u.config.driver.(*txDriver)
 	if !ok {
 		panic("ent: User is not a transactional entity")
 	}
-	u.config.driver = tx.drv
+	u.config.driver = _tx.drv
 	return u
 }