From 73aa1174bc26e399597d20cf74bc1454ab34c780 Mon Sep 17 00:00:00 2001
From: Rahul Sharma <rsconceptx@gmail.com>
Date: Sun, 15 Jan 2017 07:46:24 +0530
Subject: [PATCH] Add a check for names starting with a digit

---
 src/cargo/ops/cargo_new.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/cargo/ops/cargo_new.rs b/src/cargo/ops/cargo_new.rs
index 6b41f3ed5..985d2f41a 100644
--- a/src/cargo/ops/cargo_new.rs
+++ b/src/cargo/ops/cargo_new.rs
@@ -135,6 +135,13 @@ fn check_name(name: &str) -> CargoResult<()> {
                name)
     }
 
+    if let Some(ref c) = name.chars().nth(0) {
+        if c.is_digit(10) {
+            bail!("Package names starting with a digit cannot be used as a crate name\n\
+               use --name to override crate name")
+        }
+    }
+
     for c in name.chars() {
         if c.is_alphanumeric() { continue }
         if c == '_' || c == '-' { continue }
-- 
2.30.2