Spelling and small adjustments

Signed-off-by: BlackDex <black.dex@gmail.com>

src/db/mod.rs

@@ -384,9 +384,11 @@ pub async fn backup_database(conn: &mut DbConn) -> Result<String, Error> {
 pub fn backup_sqlite_database(conn: &mut diesel::sqlite::SqliteConnection) -> Result<String, Error> {
     use diesel::RunQueryDsl;
     let db_url = CONFIG.database_url();
-    let db_path = std::path::Path::new(&db_url).parent().unwrap().to_string_lossy();
-    let file_date = chrono::Utc::now().format("%Y%m%d_%H%M%S").to_string();
-    let backup_file = format!("{db_path}/db_{file_date}.sqlite3");
+    let db_path = std::path::Path::new(&db_url).parent().unwrap();
+    let backup_file = db_path
+        .join(format!("db_{}.sqlite3", chrono::Utc::now().format("%Y%m%d_%H%M%S")))
+        .to_string_lossy()
+        .into_owned();
     diesel::sql_query(format!("VACUUM INTO '{backup_file}'")).execute(conn)?;
     Ok(backup_file)
 }

src/main.rs

@@ -604,7 +604,7 @@ async fn launch_rocket(pool: db::DbPool, extra_debug: bool) -> Result<(), Error>
         tokio::spawn(async move {
             let mut signal_user1 = tokio::signal::unix::signal(SignalKind::user_defined1()).unwrap();
             loop {
-                // If we need more singles to act upon, we might want to use select! here.
+                // If we need more signals to act upon, we might want to use select! here.
                 // With only one item to listen for this is enough.
                 let _ = signal_user1.recv().await;
                 match backup_sqlite() {