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use std::process::{Child, Command, Stdio}; #[cfg(test)] #[path = "./exec_test.rs"] mod exec_test; pub(crate) fn exec( arguments: &Vec<String>, print_output: bool, allow_input: bool, start_index: usize, ) -> Result<(String, String, i32), String> { let mut command = create_command(arguments, print_output, allow_input, start_index)?; match command.output() { Ok(ref output) => { let stdout = String::from_utf8_lossy(&output.stdout).into_owned(); let stderr = String::from_utf8_lossy(&output.stderr).into_owned(); let exit_code = match output.status.code() { Some(value) => value, None => { return Err(format!( "Unable to extract exit code for command: {}", &arguments[0] ) .to_string()); } }; Ok((stdout, stderr, exit_code)) } Err(error) => Err(error.to_string()), } } pub(crate) fn spawn( arguments: &Vec<String>, print_output: bool, allow_input: bool, start_index: usize, ) -> Result<Child, String> { let mut command = create_command(arguments, print_output, allow_input, start_index)?; match command.spawn() { Ok(child) => Ok(child), Err(error) => Err(error.to_string()), } } fn create_command( arguments: &Vec<String>, print_output: bool, allow_input: bool, start_index: usize, ) -> Result<Command, String> { if arguments.len() <= start_index { Err("Command not provided.".to_string()) } else { let mut command = Command::new(&arguments[start_index]); let argument_index = start_index + 1; for argument in &arguments[argument_index..] { command.arg(argument); } if allow_input { command.stdin(Stdio::inherit()); } else { command.stdin(Stdio::null()); } if print_output { command.stdout(Stdio::inherit()).stderr(Stdio::inherit()); } Ok(command) } }