From 3a9ee6351914b85db336d51b0e450f954d37d7a6 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Fri, 14 Jan 2005 05:42:53 +0000
Subject: must let $PLAN9 be overrided in 9 and 9.rc

---
 bin/9 | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'bin/9')

diff --git a/bin/9 b/bin/9
index ff1a928d..33b0d89c 100755
--- a/bin/9
+++ b/bin/9
@@ -1,7 +1,13 @@
 #!/bin/sh
 
-export PLAN9=/usr/local/plan9
-export PATH=$PLAN9/bin:$PATH
+export PLAN9=${PLAN9:-/usr/local/plan9}
+case "$PATH" in
+$PLAN9/bin:*)
+	;;
+*)
+	export PATH=$PLAN9/bin:$PATH
+	;;
+esac
 
 case $# in
 [1-9]*)
-- 
cgit v1.2.3