proxy_port=3142
proxy_url=http://$proxy_host:$proxy_port/
f=/tmp/apt_proxy_fail
-if [[ -r $f ]]; then
- if (( $(( $(date +%s) - $(stat -c %Y $f ) )) < 60*10 )); then
- echo DIRECT
- exit 0
- else
- rm $f
- fi
+if [[ ! -w /tmp ]]; then
+ echo DIRECT
+ exit 0
+fi
+modtime=$(stat -c %Y $f 2>/dev/null ) ||:
+if [[ $modtime ]] && (( $(( $(date +%s) - modtime )) < 60*10 )); then
+ echo DIRECT
+ exit 0
+else
+ rm -f $f
fi
-if host $proxy_host && nc -z $proxy_host $proxy_port; then
+if getent hosts $proxy_host &>/dev/null && timeout 1 nc -z $proxy_host $proxy_port &>/dev/null; then
echo $proxy_url
else
- touch $f
+ if [[ ! -e $f || -w $f ]]; then
+ touch $f
+ fi
fi