From ba3874f309baf7a681d20f72d8ab54c7d3a1876f Mon Sep 17 00:00:00 2001
From: keith <keith@the-simmons.net>
Date: Wed, 29 Jan 2020 23:17:16 -0800
Subject: [PATCH] version error

---
 src/bridge/mod.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/bridge/mod.rs b/src/bridge/mod.rs
index c6c68c3..eb5984d 100644
--- a/src/bridge/mod.rs
+++ b/src/bridge/mod.rs
@@ -7,7 +7,7 @@ use std::sync::Arc;
 use std::process::Stdio;
 
 use rmpv::Value;
-use nvim_rs::{create::tokio as create, UiAttachOptions};
+use nvim_rs::{create::tokio as create, UiAttachOptions, neovim_api};
 use tokio::runtime::Runtime;
 use tokio::process::Command;
 use tokio::sync::mpsc::{unbounded_channel, UnboundedReceiver, UnboundedSender};
@@ -71,6 +71,16 @@ async fn start_process(mut receiver: UnboundedReceiver<UiCommand>) {
         std::process::exit(0);
     });
 
+    if let Ok(Value::Integer(correct_version)) = nvim.eval("has(\"nvim-0.4\")").await {
+        if correct_version.as_i64() != Some(1) {
+            println!("Neovide requires version 0.4 or higher");
+            std::process::exit(0);
+        }
+    } else {
+        println!("Neovide requires version 0.4 or higher");
+        std::process::exit(0);
+    }
+
     nvim.set_var("neovide", Value::Boolean(true)).await
         .unwrap_or_explained_panic("Could not communicate.", "Could not communicate with neovim process");
     let mut options = UiAttachOptions::new();