Module Name: src
Committed By: mlelstv
Date: Sun Mar 1 14:21:17 UTC 2015
Modified Files:
src/sbin/devpubd/hooks: 02-wedgenames
Log Message:
safely update existing wedge links
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/sbin/devpubd/hooks/02-wedgenames
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sbin/devpubd/hooks/02-wedgenames
diff -u src/sbin/devpubd/hooks/02-wedgenames:1.2 src/sbin/devpubd/hooks/02-wedgenames:1.3
--- src/sbin/devpubd/hooks/02-wedgenames:1.2 Sun Feb 15 15:56:30 2015
+++ src/sbin/devpubd/hooks/02-wedgenames Sun Mar 1 14:21:17 2015
@@ -1,6 +1,6 @@
#!/bin/sh
#
-# $NetBSD: 02-wedgenames,v 1.2 2015/02/15 15:56:30 jmcneill Exp $
+# $NetBSD: 02-wedgenames,v 1.3 2015/03/01 14:21:17 mlelstv Exp $
#
# Try to maintain symlinks to wedge devices
#
@@ -52,7 +52,14 @@ add_wedge() {
test -d $wedgedir || mkdir -m 755 $wedgedir
basedir=$(dirname "$wedgedir/$n")
test -d "$basedir" || mkdir -p -m 755 "$basedir"
- ln -s "/dev/$1" "$wedgedir/$n"
+ if oldlink=$(readlink "$wedgedir/$n"); then
+ if [ x"$oldlink" != "/dev/$1" ]; then
+ rm -f "$wedgedir/$n"
+ ln -s "/dev/$1" "$wedgedir/$n"
+ fi
+ else
+ ln -s "/dev/$1" "$wedgedir/$n"
+ fi
;;
esac
}
