must let $PLAN9 be overrided in 9 and 9.rc

2005-01-14 05:42:53 +00:00
parent 67075c3634
commit 3a9ee63519
3 changed files with 13 additions and 5 deletions
--- 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]*)