Merge branch 'main' of https://git.tebibyte.media/mars/breed

Cargo.lock

@@ -62,6 +62,7 @@ version = "0.1.0"
 dependencies = [
  "arg",
  "crossterm",
+ "libc",
  "once_cell",
  "ropey",
  "toml",

Cargo.toml

@@ -7,6 +7,7 @@ license = "AGPL-3.0-or-later"
 [dependencies]
 arg = "0.4.1"
 crossterm = "0.26"
+libc = "0.2.141"
 once_cell = "1.17"
 ropey = "1.6"
 toml = "0.7"

src/main.rs

@@ -354,7 +354,14 @@ fn main() -> Result<()> {
     let mut buf = Vec::new();
 
     match argv.get(1).map(|s| s.as_str()) {
-        Some("-") | None => unsafe { File::from_raw_fd(0) }, // stdin as a file
+        Some("-") | None => {
+            let stdin = 0; // get stdin as a file descriptor
+            if unsafe { libc::isatty(stdin) } == 0 {
+                unsafe { File::from_raw_fd(stdin) }
+            } else {
+                File::open("/dev/null").unwrap()
+            }
+        }
         Some(path) => std::fs::File::open(path).unwrap_or_else(|_| {
             eprintln!("{}: {}: No such file or directory.", argv[0], argv[1]);
             exit(EX_UNAVAILABLE);