Remove enable-swap option (fix #150)

src/main.rs

@@ -96,11 +96,7 @@ fn main() {
              .default_value("10")
              .help("Wait timeout in seconds. If nvim does not response in given time NvimGtk stops")
             .takes_value(true))
-        .arg(
-            Arg::with_name("enable-swap")
-                .long("enable-swap")
-                .help("Enable swap files"),
-        ).arg(Arg::with_name("files").help("Files to open").multiple(true))
+        .arg(Arg::with_name("files").help("Files to open").multiple(true))
         .arg(
             Arg::with_name("nvim-bin-path")
                 .long("nvim-bin-path")

src/nvim/mod.rs

@@ -85,19 +85,13 @@ pub fn start(
     nvim_bin_path: Option<&String>,
     timeout: Option<Duration>,
     args_for_neovim: Vec<String>,
-    enable_swap: bool,
 ) -> result::Result<Neovim, NvimInitError> {
     let mut cmd = if let Some(path) = nvim_bin_path {
         Command::new(path)
     } else {
         Command::new("nvim")
     };
 
-    // Swap files are disabled by default because it shows message window on start up but frontend can't detect it.
-    if !enable_swap {
-        cmd.arg("-n");
-    }
-
     cmd.arg("--embed")
         .arg("--cmd")
         .arg("set termguicolors")

src/shell.rs

@@ -591,7 +591,6 @@ pub struct ShellOptions {
     timeout: Option<Duration>,
     args_for_neovim: Vec<String>,
     input_data: Option<String>,
-    enable_swap: bool,
 }
 
 impl ShellOptions {
@@ -611,7 +610,6 @@ impl ShellOptions {
                 .values_of("nvim-args")
                 .map(|args| args.map(str::to_owned).collect())
                 .unwrap_or(vec![]),
-            enable_swap: matches.is_present("enable-swap"),
         }
     }
 
@@ -1167,7 +1165,6 @@ fn init_nvim_async(
         options.nvim_bin_path.as_ref(),
         options.timeout,
         options.args_for_neovim,
-        options.enable_swap,
     ) {
         Ok(nvim) => nvim,
         Err(err) => {