1 files changed, 24 insertions, 2 deletions
diff --git a/build.rs b/build.rs
index 07f1acb..6134a9c 100644
--- a/build.rs
+++ b/build.rs
@@ -1,6 +1,26 @@
+extern crate termion;
+extern crate rustc_version;
+
+use rustc_version::{version_meta, Channel};
+
 use std::process::Command;
 
-fn main() {
+
+fn main() -> Result<(),()> {
+    // Bail out if compiler isn't a nightly
+    if let Ok(false) = version_meta().map(|m| m.channel == Channel::Nightly) {
+        eprint!("{}", termion::color::Fg(termion::color::Red));
+        eprint!("{}", termion::style::Bold);
+        eprint!("{}", termion::style::Underline);
+        eprintln!("NIHGTLY COMPILER required");
+        eprintln!("Please install a nighlty compiler to proceed: https://rustup.rs/");
+        eprint!("{}", termion::style::Reset);
+        eprintln!("rustup toolchain install nightly");
+        eprintln!("source ~/.cargo/env");
+
+        return Err(());
+    }
+
     // rename so we can just extract this into config dir later
     Command::new("cp")
         .args("-a extra hunter".split(" "))
@@ -15,5 +35,7 @@ fn main() {
 
     // delete directory we just compressed
     std::fs::remove_dir_all("hunter")
-        .expect("Couldn't delete temporary config directory \"hunter\"")
+        .expect("Couldn't delete temporary config directory \"hunter\"");
+
+    return Ok(());
 }