From a2885eefc22513329c01ca86c8e2c43c440e17fc Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson@vistahigherlearning.com>
Date: Wed, 10 Jun 2015 08:15:47 -0400
Subject: bash: Respect SSH agent forwarding.

---
 dotfiles/.bash_profile | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/dotfiles/.bash_profile b/dotfiles/.bash_profile
index 9334ce0..ff1ce98 100644
--- a/dotfiles/.bash_profile
+++ b/dotfiles/.bash_profile
@@ -16,8 +16,12 @@ if [ -f ~/.bashrc ]; then . ~/.bashrc; fi
 # Search for binaries in user profile /sbin.
 export PATH="$HOME/.guix-profile/sbin:$PATH"
 
-# SSH agent.
-export SSH_AUTH_SOCK="$HOME/.gnupg/S.gpg-agent.ssh"
+# Only configure the SSH agent if we're not in an SSH session with a
+# forwarded agent.
+if ! [ -n "$SSH_CLIENT" -a -n "$SSH_AUTH_SOCK" ]
+then
+    export SSH_AUTH_SOCK="$HOME/.gnupg/S.gpg-agent.ssh"
+fi
 
 # Ruby.
 export GEM_PATH="$HOME/.guix-profile/lib/ruby/gems/2.2.0"
-- 
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