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provide more info on usb device, deal w/ stale lockfiles on ubuntu 18.04 #5

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provide more info on usb device, deal w/ stale lockfiles on ubuntu 18.04 #5

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255b142
use var for lock file.
corbolais Oct 17, 2018
89d076e
chmod 755
corbolais Oct 17, 2018
7d94572
force lock file removal. required w/ ubuntu 18.04 to work at all. w/o…
corbolais Oct 24, 2018
38df4f7
add identifier{, in case dev_name would be empty}.
corbolais Oct 24, 2018
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10 changes: 7 additions & 3 deletions my-udev-notify.sh
100644 → 100755
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ DIR="$(dirname $(readlink -f "$0"))"

# file for storing list of currently plugged devices
devlist_file="/var/tmp/udev-notify-devices"
devlist_lock="/var/lock/.udev-notify-devices.exclusivelock"

show_notifications=true
notification_icons=true
Expand Down Expand Up @@ -229,8 +230,9 @@ notify_unplugged()

{
# we need for lock our $devlist_file
exec 200>/var/lock/.udev-notify-devices.exclusivelock
flock -x -w 10 200 || exit 1
exec 200>$devlist_lock
#flock --verbose -x -w 10 200 || exit 1
flock -x -w 10 200 || rm $devlist_lock
case $action in

"reboot" )
Expand All @@ -249,8 +251,9 @@ notify_unplugged()
# Retrieve device title. Currently it's done just by lsusb and grep.
# Not so good: if one day lsusb change its output format, this script
# might stop working.
dev_title=`lsusb -D /dev/bus/usb/$bus_num/$dev_num | grep '^Device:\|bInterfaceClass\|bInterfaceSubClass\|bInterfaceProtocol'|sed 's/^\s*\([a-zA-Z]\+\):*\s*[0-9]*\s*/<b>\1:<\/b> /' | awk 1 ORS='###'`
dev_title=`lsusb -D /dev/bus/usb/$bus_num/$dev_num | grep '^Device:\|iProduct\|bInterfaceClass\|bInterfaceSubClass\|bInterfaceProtocol'|sed 's/^\s*\([a-zA-Z]\+\):*\s*[0-9]*\s*/<b>\1:<\/b> /' | awk 1 ORS='###'`
dev_name=`lsusb -D /dev/bus/usb/$bus_num/$dev_num | grep idProduct | tr -s ' ' | cut -s -d' ' -f4,5,6,7,8,9`
[ -z $dev_name ] && dev_name=`lsusb -D /dev/bus/usb/$bus_num/$dev_num | grep iProduct | tr -s ' ' | cut -s -d' ' -f4,5,6,7,8,9`

# Sometimes we might have the same device attached to different bus_num or dev_num:
# in this case, we just modify bus_num and dev_num to the current ones.
Expand Down Expand Up @@ -300,6 +303,7 @@ notify_unplugged()

#unlock $devlist_file
flock -u 200
rm $devlist_lock
}


Expand Down