If /etc/resolv.conf is a symlink to a tmpfs and the actual file does not
already exist, "readlink -f" will not detect it as symlink. Explicitely check
for that condition before and touch the file, making the other code work as
intended.
Signed-off-by: Rolf Eike Beer <e...@emlix.com>
---
examples/udhcp/simple.script | 3 +++
1 file changed, 3 insertions(+)
diff --git a/examples/udhcp/simple.script b/examples/udhcp/simple.script
index 44aa46ece..57fb3e431 100755
--- a/examples/udhcp/simple.script
+++ b/examples/udhcp/simple.script
@@ -55,6 +55,9 @@ case "$1" in
echo "Recreating $RESOLV_CONF"
# If the file is a symlink somewhere (like /etc/resolv.conf
# pointing to /run/resolv.conf), make sure things work.
+ if [ -L $RESOLV_CONF -a ! -f $RESOLV_CONF ]; then
+ touch $RESOLV_CONF
+ fi
realconf=$(readlink -f "$RESOLV_CONF" 2>/dev/null || echo
"$RESOLV_CONF")
tmpfile="$realconf-$$"
> "$tmpfile"
--
2.21.0
--
Rolf Eike Beer, emlix GmbH, http://www.emlix.com
Fon +49 551 30664-0, Fax +49 551 30664-11
Gothaer Platz 3, 37083 Göttingen, Germany
Sitz der Gesellschaft: Göttingen, Amtsgericht Göttingen HR B 3160
Geschäftsführung: Heike Jordan, Dr. Uwe Kracke – Ust-IdNr.: DE 205 198 055
emlix - smart embedded open source
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