Add rust zfsbackup

src/command.rs

@@ -0,0 +1,19 @@
+pub fn exec_command(command: &Vec<String>) -> Result<(), String> {
+    if command.is_empty() {
+        return Err("Command is empty".to_string());
+    }
+    let mut cmd = std::process::Command::new(&command[0]);
+    if command.len() > 1 {
+        cmd.args(&command[1..]);
+    }
+    let output = cmd.output().map_err(|e| e.to_string())?;
+    if !output.status.success() {
+        return Err(format!(
+            "Command {:?} failed with status {}: {}",
+            command,
+            output.status,
+            String::from_utf8_lossy(&output.stderr)
+        ));
+    }
+    Ok(())
+}