From 0ab59dd8b8b64d4cd58c42a21e056a6cc8adc0bb Mon Sep 17 00:00:00 2001
From: Marius Bakke <mbakke@fastmail.com>
Date: Sun, 29 Oct 2017 21:02:19 +0100
Subject: [PATCH] system: Test for interactive shell instead of `cat` in
 skeleton '.bashrc'.

* gnu/system/shadow.scm (default-skeletons)[bashrc]: Wrap $SSH_CLIENT test in
a conditional testing for interactive shell.
---
 gnu/system/shadow.scm | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/gnu/system/shadow.scm b/gnu/system/shadow.scm
index 236807c70a..58613e620d 100644
--- a/gnu/system/shadow.scm
+++ b/gnu/system/shadow.scm
@@ -157,13 +157,12 @@ if [ -f ~/.bashrc ]; then . ~/.bashrc; fi\n"))
 # honor it and otherwise use /bin/sh.
 export SHELL
 
-if [ -n \"$SSH_CLIENT\" -a -z \"`type -P cat`\" ]
+if [[ $- != *i* ]]
 then
-    # We are being invoked from a non-interactive SSH session
-    # (as in \"ssh host command\") but 'cat' cannot be found
-    # in $PATH.  Source /etc/profile so we get $PATH and other
-    # essential variables.
-    source /etc/profile
+    # We are being invoked from a non-interactive shell.  If this
+    # is an SSH session (as in \"ssh host command\"), source
+    # /etc/profile so we get PATH and other essential variables.
+    [[ -n \"$SSH_CLIENT\" ]] && source /etc/profile
 fi
 
 # Adjust the prompt depending on whether we're in 'guix environment'.