Merge pull request #1285 from LeviticusNelson/master

Add HTTP header USER-AGENT

src/install/krate.rs

@@ -1,6 +1,8 @@
 use crate::install::Tool;
 use anyhow::Result;
+use reqwest::header::USER_AGENT;
 use serde::Deserialize;
+const VERSION: Option<&str> = option_env!("CARGO_PKG_VERSION");
 
 #[derive(Debug, Deserialize)]
 pub struct Krate {
@@ -17,7 +19,13 @@ impl Krate {
     pub fn new(name: &Tool) -> Result<Krate> {
         let krate_address = format!("https://crates.io/api/v1/crates/{}", name);
         let client = reqwest::blocking::Client::new();
-        let res = client.get(&krate_address).send()?;
+        let res = client
+            .get(&krate_address)
+            .header(
+                USER_AGENT,
+                format!("wasm-pack/{}", VERSION.unwrap_or("unknown")),
+            )
+            .send()?;
 
         let kr: KrateResponse = serde_json::from_str(&res.text()?)?;
         Ok(kr.krate)