From 5cb212f7b7dc0584e4412ad56f04a7de382a7161 Mon Sep 17 00:00:00 2001
From: Jacob Hoffman-Andrews <github@hoffman-andrews.com>
Date: Sun, 13 Sep 2020 05:13:54 -0700
Subject: [PATCH] Put the crate version in the User-Agent header. (#138)

* Put the crate version in the User-Agent header.

https://tools.ietf.org/html/rfc7231#section-5.5.3
Each product identifier consists of a name and optional version.

     product         = token ["/" product-version]
     product-version = token

* User-Agent of rust-ureq

* Update src/unit.rs

Co-authored-by: Martin Algesten <martin@algesten.se>
---
 src/unit.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/unit.rs b/src/unit.rs
index 37530e8..a22ddd9 100644
--- a/src/unit.rs
+++ b/src/unit.rs
@@ -369,7 +369,7 @@ fn send_prelude(unit: &Unit, stream: &mut Stream, redir: bool) -> IoResult<()> {
         }
     }
     if !header::has_header(&unit.headers, "user-agent") {
-        write!(prelude, "User-Agent: ureq\r\n")?;
+        write!(prelude, "User-Agent: ureq/{}\r\n", env!("CARGO_PKG_VERSION"))?;
     }
     if !header::has_header(&unit.headers, "accept") {
         write!(prelude, "Accept: */*\r\n")?;