pingwatch: handle "Address unreachable" properlyHEADmaster

1 files changed, 18 insertions, 5 deletions

diff --git a/dot/local/bin/pingwatch b/dot/local/bin/pingwatch
index a67d014..c487c2f 100755
--- a/dot/local/bin/pingwatch
+++ b/dot/local/bin/pingwatch
@@ -1,6 +1,19 @@
 #!/bin/bash
-loud=
-target=${1:-2601:401:8200:2d4c:c6a5:6c8c:1304:bcf7}
+loud=${VERBOSE}
+default_target=marble.tj5tzswz7isfavggdjsiwxdjswrg6tadlzuf3j3q.ed25519.cryptonomic.net
+
+if [ $# = 1 ]
+then
+        target=$1
+else
+        target=$(dig -taaaa +short +answer $default_target || echo 2601:401:8200:2d4c:84f4:6bdc:963c:fde2)
+fi
+
+if [ "$VERBOSE" ]
+then
+        echo "target: $target" >&2
+fi
+
 
 process()
 {
@@ -9,13 +22,13 @@ process()
         do
                 if read -t 5 line
                 then
+                        case "$line" in
+                                'PING'* | *'Address unreachable') continue ;;
+                        esac
                         if [ "$loud" ]
                         then
                                 printf '%s\n' "$line"
                         fi
-                        case "$line" in
-                                PING*) continue ;;
-                        esac
                         if [ "$state" = on ]
                         then
                                 continue