From 10c940961d293df41967a09e5a8c326beaa94afd Mon Sep 17 00:00:00 2001
From: Iain Patterson <me@iain.cx>
Date: Thu, 3 May 2012 15:08:55 +0100
Subject: [PATCH] Use bash builtin to check for tty.

---
 .profile.d/krb5.bashrc | 2 +-
 .profile.d/ssh.bashrc  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.profile.d/krb5.bashrc b/.profile.d/krb5.bashrc
index 034dadd..4c5f71d 100644
--- a/.profile.d/krb5.bashrc
+++ b/.profile.d/krb5.bashrc
@@ -3,7 +3,7 @@ alias pssh='ssh -o preferredauthentications=password,keyboard-interactive'
 
 unalias kinit 2>/dev/null
 if [ 1 = 0 -a -z "$OLDSOLARIS" -a -z "$OLDREDHAT" ]; then
-  if tty -s; then
+  if [ -t 0 ]; then
     if [ ! "$SUDO_UID" ]; then
       if klist -s 2>/dev/null; then
         # We already have a ticket cache.  Renew it.
diff --git a/.profile.d/ssh.bashrc b/.profile.d/ssh.bashrc
index 0bb5011..65d117d 100644
--- a/.profile.d/ssh.bashrc
+++ b/.profile.d/ssh.bashrc
@@ -6,7 +6,7 @@ if [ $UID -gt 0 ]; then
       while read allowed; do
         if [ "${HOSTNAME%%.*}" = "$allowed" ]; then
           eval $(keychain -q --timeout 7200 --agents ssh --eval)
-          if tty -s; then
+          if [ -t 0 ]; then
             ssh-add -l >/dev/null || ssh-add
           fi
         fi
-- 
2.20.1