39b8fb41c
Mike Frysinger
2013-02-27
Subject
udhcpc: support resolv.conf symlinks
Binary
No binary (build failed)
Architecture & Compiler Flags
—
Build Log
(log yok)
Commit Diff GitHub →
examples/udhcp/simple.script+8 -4
| @@ -34,13 +34,17 @@ case "$1" in | |
| fi | |
| echo "Recreating $RESOLV_CONF" | |
| - | echo -n > $RESOLV_CONF-$$ |
| - | [ -n "$domain" ] && echo "search $domain" >> $RESOLV_CONF-$$ |
| + | # If the file is a symlink somewhere (like /etc/resolv.conf |
| + | # pointing to /run/resolv.conf), make sure things work. |
| + | realconf=$(realpath "$RESOLV_CONF" 2>/dev/null || echo "$RESOLV_CONF") |
| + | tmpfile="$realconf-$$" |
| + | > "$tmpfile" |
| + | [ -n "$domain" ] && echo "search $domain" >> "$tmpfile" |
| for i in $dns ; do | |
| echo " Adding DNS server $i" | |
| - | echo "nameserver $i" >> $RESOLV_CONF-$$ |
| + | echo "nameserver $i" >> "$tmpfile" |
| done | |
| - | mv $RESOLV_CONF-$$ $RESOLV_CONF |
| + | mv "$tmpfile" "$realconf" |
| ;; | |
| esac | |