From 60f893d11815749683e7102c5b87fa88c48000e9 Mon Sep 17 00:00:00 2001
From: Hugo Duncan <hugo@hugoduncan.org>
Date: Wed, 8 Apr 2015 14:32:29 -0400
Subject: [PATCH] Document the CARGO_HOME env var

Adds CARGO_HOME to the config documentation.
---
 src/doc/config.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/doc/config.md b/src/doc/config.md
index a6aaab69e..9cfab21ba 100644
--- a/src/doc/config.md
+++ b/src/doc/config.md
@@ -78,3 +78,10 @@ timeout = 60000   # Timeout for each HTTP request, in milliseconds
 [build]
 jobs = 1        # number of jobs to run by default (default to # cpus)
 ```
+
+# Configuration of registry cache
+
+Cargo maintains a local cache of the registry index and of git
+checkouts of crates.  By default these are stored under
+`$HOME/.cargo`. The location can be overridden by setting the
+`CARGO_HOME` environment variable.
-- 
2.30.2