Revert "Capture error cases involving invalid network device paths an…

…d sleep before returning to resolve CPU consuming loop due to interval type of i3blocks. Addresses regolith-linux/regolith-desktop#532."

This reverts commit f7ae372.

debian/changelog

@@ -1,14 +1,3 @@
-regolith-i3xrocks-config (3.5.5-1ubuntu1) bionic; urgency=medium
-
-  [ Moritz Heiber ]
-  * Added gawk specific testing for temp script (#108)
-  * Filter all interfaces associated with VPN traffic while determining default route (#110)
-
-  [ Ken Gilmer ]
-  * Capture error cases involving invalid network device paths and sleep before returning to resolve CPU consuming loop due to  interval type of i3blocks.  Addresses https://github.com/regolith-linux/regolith-desktop/issues/532.
-
- -- Regolith Linux <[email protected]>  Sun, 10 Jan 2021 11:25:46 -0800
-
 regolith-i3xrocks-config (3.5.4-1) bionic; urgency=medium
 
   [ Moritz Heiber ]

scripts/net-traffic

@@ -2,30 +2,24 @@
 
 set -Eeu -o pipefail
 
-set -x
 # Note: net-traffic uses interval type 'repeat' so cannot use button events.
 # See https://github.com/vivien/i3blocks#interval
 
 # some default values for arguments"
 UP=${label_icon:-$(xrescat i3xrocks.label.up " up")}
 DN=${label_icon:-$(xrescat i3xrocks.label.dn " dn")}
 DLY=${DLY:-5}
-ERROR_DLY=${ERROR_DLY:-10}
 RT=${RT:-}
 
 # Padding the output to 5 characters to avoid jittering on the bar
 NUMFMT="numfmt --to iec --format %f --padding 5"
 
 # determine the net interface name
 IF="${BLOCK_INSTANCE:-$(ip route show default | awk '!/(ppp|tun|tap)/ { print $5 }')}"
+[ "$IF" = "" ] && exit
 
 IF_PATH="/sys/class/net/${IF}"
 
-if [[ "$IF" == "" || ! -d "$IF_PATH" || ! -f "${IF_PATH}"/statistics/rx_bytes || ! -f "${IF_PATH}"/statistics/tx_bytes ]]; then 
-  sleep "${ERROR_DLY}"
-  exit 1
-fi
-
 if [ -d "${IF_PATH}/wireless" ]; then
   NIC=${label_icon:-$(xrescat i3xrocks.label.wifi )}
 else