1 files changed, 85 insertions, 0 deletions
diff --git a/vendor/xshell/tests/data/xecho.rs b/vendor/xshell/tests/data/xecho.rs
new file mode 100644
index 000000000..ac86433c3
--- /dev/null
+++ b/vendor/xshell/tests/data/xecho.rs
@@ -0,0 +1,85 @@
+use std::io::{self, Write};
+
+fn main() {
+    if let Err(err) = try_main() {
+        eprintln!("{err}");
+        std::process::exit(1);
+    }
+}
+
+fn try_main() -> io::Result<()> {
+    let mut tee_stderr = false;
+    let mut echo_stdin = false;
+    let mut echo_env = false;
+    let mut fail = false;
+    let mut suicide = false;
+
+    let mut args = std::env::args().skip(1).peekable();
+    while let Some(arg) = args.peek() {
+        match arg.as_str() {
+            "-e" => tee_stderr = true,
+            "-i" => echo_stdin = true,
+            "-$" => echo_env = true,
+            "-f" => fail = true,
+            "-s" => suicide = true,
+            _ => break,
+        }
+        args.next();
+    }
+
+    let stdin = io::stdin();
+    let stdout = io::stdout();
+    let stderr = io::stderr();
+    let mut stdin = stdin.lock();
+    let mut stdout = stdout.lock();
+    let mut stderr = stderr.lock();
+    macro_rules! w {
+        ($($tt:tt)*) => {
+            write!(stdout, $($tt)*)?;
+            if tee_stderr {
+                write!(stderr, $($tt)*)?;
+            }
+        }
+    }
+
+    if echo_stdin {
+        io::copy(&mut stdin, &mut stdout)?;
+    } else if echo_env {
+        for key in args {
+            if let Some(v) = std::env::var_os(&key) {
+                w!("{}={}\n", key, v.to_string_lossy());
+            }
+        }
+    } else {
+        let mut space = "";
+        for arg in args {
+            w!("{}{}", space, arg);
+            space = " ";
+        }
+        w!("\n");
+    }
+
+    if fail {
+        return Err(io::ErrorKind::Other.into());
+    }
+    if suicide {
+        #[cfg(unix)]
+        unsafe {
+            let pid = signals::getpid();
+            if pid > 0 {
+                signals::kill(pid, 9);
+            }
+        }
+    }
+
+    Ok(())
+}
+
+#[cfg(unix)]
+mod signals {
+    use std::os::raw::c_int;
+    extern "C" {
+        pub fn kill(pid: c_int, sig: c_int) -> c_int;
+        pub fn getpid() -> c_int;
+    }
+}