From 60b80fa6df1511a3f1dd6026706710865fb53b33 Mon Sep 17 00:00:00 2001
From: Tycho Sci <tychosci@gmail.com>
Date: Tue, 14 Feb 2012 10:06:20 +0900
Subject: [PATCH] cargo: Warn if "gpg" is not available

Closes #1643
---
 src/cargo/cargo.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cargo/cargo.rs b/src/cargo/cargo.rs
index 8484c9a7265..820b8f113e4 100644
--- a/src/cargo/cargo.rs
+++ b/src/cargo/cargo.rs
@@ -418,6 +418,10 @@ fn configure(opts: options) -> cargo {
 
     if c.pgp {
         pgp::init(c.root);
+    } else {
+        warn("command \"gpg\" is not found");
+        warn("you have to install \"gpg\" from source " +
+             " or package manager to get it to work correctly");
     }
 
     c