Password from option

src/main.rs

@@ -60,12 +60,17 @@ fn main() {
     let mut address: Option<String> = None; // None
     let mut port: u16 = 22; // Default port
     let mut username: Option<String> = None; // Default username
-    let password: Option<String>; // Default password
+    let mut password: Option<String> = None; // Default password
     let mut protocol: FileTransferProtocol = FileTransferProtocol::Sftp; // Default protocol
     let mut ticks: Duration = Duration::from_millis(10);
     //Process options
-    // FIXME: there is no way to provide password from CLI atm
     let mut opts = Options::new();
+    opts.optopt(
+        "P",
+        "password",
+        "Provide password from CLI (use at your own risk)",
+        "<password>",
+    );
     opts.optopt("T", "ticks", "Set UI ticks; default 10ms", "<ms>");
     opts.optflag("v", "version", "");
     opts.optflag("h", "help", "Print this menu");
@@ -89,6 +94,10 @@ fn main() {
         );
         std::process::exit(255);
     }
+    // Match password
+    if let Some(passwd) = matches.opt_str("P") {
+        password = Some(String::from(passwd));
+    }
     // Match ticks
     if let Some(val) = matches.opt_str("T") {
         match val.parse::<usize>() {
@@ -135,7 +144,8 @@ fn main() {
     // Initialize client if necessary
     let mut start_activity: NextActivity = NextActivity::Authentication;
     if let Some(address) = address {
-        // Ask password
+        if password.is_none() {
+            // Ask password if unspecified
             password = match rpassword::read_password_from_tty(Some("Password: ")) {
                 Ok(p) => {
                     if p.len() > 0 {
@@ -149,6 +159,7 @@ fn main() {
                     std::process::exit(255);
                 }
             };
+        }
         // In this case the first activity will be FileTransfer
         start_activity = NextActivity::FileTransfer;
         manager.set_filetransfer_params(address, port, protocol, username, password);