Remove option and use unwrap_or_else to fall back to copy behavior.

src/api/core/ciphers.rs

@@ -17,7 +17,7 @@ use crate::{
     CONFIG,
 };
 
-use futures::{stream, stream::StreamExt};
+use futures::{stream, stream::StreamExt, TryFutureExt};
 
 pub fn routes() -> Vec<Route> {
     // Note that many routes have an `admin` variant; this seems to be
@@ -998,11 +998,9 @@ async fn save_attachment(
         attachment.save(&conn).await.expect("Error saving attachment");
     }
 
-    if CONFIG.uploads_use_copy() {
-        data.data.move_copy_to(file_path).await?;
-    } else {
-        data.data.persist_to(file_path).await?;
-    }
+    data.data.persist_to(&file_path)
+        .unwrap_or_else(data.data.move_copy_to(&file_path))
+        .await?;
 
     nt.send_cipher_update(UpdateType::CipherUpdate, &cipher, &cipher.update_users_revision(&conn).await).await;
 

src/api/core/sends.rs

@@ -1,6 +1,7 @@
 use std::path::Path;
 
 use chrono::{DateTime, Duration, Utc};
+use futures::TryFutureExt;
 use rocket::form::Form;
 use rocket::fs::NamedFile;
 use rocket::fs::TempFile;
@@ -226,11 +227,9 @@ async fn post_send_file(data: Form<UploadData<'_>>, headers: Headers, conn: DbCo
     let file_path = folder_path.join(&file_id);
     tokio::fs::create_dir_all(&folder_path).await?;
 
-    if CONFIG.uploads_use_copy() {
-        data.move_copy_to(&file_path).await?;
-    } else {
-        data.persist_to(&file_path).await?;
-    }
+    data.persist_to(&file_path)
+        .unwrap_or_else(data.move_copy_to(&file_path))
+        .await?;
 
     let mut data_value: Value = serde_json::from_str(&send.data)?;
     if let Some(o) = data_value.as_object_mut() {

src/config.rs

@@ -343,8 +343,6 @@ make_config! {
         rsa_key_filename:       String, false,  auto,   |c| format!("{}/{}", c.data_folder, "rsa_key");
         /// Web vault folder
         web_vault_folder:       String, false,  def,    "web-vault/".to_string();
-        /// Uploading files uses move_copy_to instead of persist_to to support cross-device scenarios where having tmp_folder on the same drive is undesirable. i.e. fuse-mounted S3.
-        uploads_use_copy:       bool,   false,  def,     false;
     },
     ws {
         /// Enable websocket notifications