fix(tail): remove unnecessary observer.add_stdin call in tail_stdin

mattsu2020 · mattsu2020 · commit ce85f5c5a125 · 2026-01-13T21:07:27.000+09:00
The removed line
diff --git a/src/uu/tail/src/tail.rs b/src/uu/tail/src/tail.rs
@@ -343,7 +343,6 @@ fn tail_stdin(
     } else {
         let mut reader = BufReader::new(stdin());
         unbounded_tail(&mut reader, settings)?;
-        observer.add_stdin(input.display_name.as_str(), Some(Box::new(reader)), true)?;
     }
 
     Ok(())

Original file line number	Diff line number	Diff line change
`@@ -343,7 +343,6 @@ fn tail_stdin(`
`343`	`343`	`} else {`
`344`	`344`	`let mut reader = BufReader::new(stdin());`
`345`	`345`	`unbounded_tail(&mut reader, settings)?;`
`346`		`- observer.add_stdin(input.display_name.as_str(), Some(Box::new(reader)), true)?;`
`347`	`346`	`}`
`348`	`347`
`349`	`348`	`Ok(())`