From: Ben Gras <ben@minix3.org>
Date: Wed, 31 Jan 2007 13:00:39 +0000 (+0000)
Subject: Only install /usr/bin/vi as a hardlink to elvis if there's nothing already
X-Git-Tag: v3.1.3~99
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/zpipe.c?a=commitdiff_plain;h=5358dc42bfeaafe08f3e44ff3a76dc4ea57ab2bc;p=minix.git

Only install /usr/bin/vi as a hardlink to elvis if there's nothing already
there (so e.g. nvi isn't overwritten).
---

diff --git a/commands/elvis/Makefile b/commands/elvis/Makefile
index 1f1ab0e9b..17c36bfc8 100755
--- a/commands/elvis/Makefile
+++ b/commands/elvis/Makefile
@@ -71,8 +71,10 @@ install:	/usr/bin/elvis \
 /bin/elvis:	elvis
 	install -cs -o bin elvis $@
 
-/usr/bin/vi:	elvis
-	install -cs -o bin elvis $@
+/usr/bin/vi:	/usr/bin/elvis
+	if [ ! -f $@ -a ! -s $@ ];	\
+	then	install -l $? $@ ;	\
+	fi
 
 /usr/bin/ctags:	ctags
 	install -cs -o bin ctags $@