Trap and kill leftover process.

With the current i3status wrapper script, after exiting sway two
process where left dangling out there. The i3status process and
parts of the wrapper pipeline. Using set -eo pipefail and using
shell substition and trapping fixed the problem. Note that this
is a bash-only solution.

1 files changed, 5 insertions, 2 deletions

diff --git a/.local/bin/any_position_wrapper.sh b/.local/bin/any_position_wrapper.sh
index 6aa6268..f821657 100755
--- a/.local/bin/any_position_wrapper.sh
+++ b/.local/bin/any_position_wrapper.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+set -eo pipefail
 
 # This i3status wrapper allows to add custom information in any position of the statusline
 # It was developed for i3bar (JSON format)
@@ -46,10 +47,12 @@ function irdate {
   json_array=$(update_holder holder__jdate "$json")
 }
 
-i3status | (read line; echo "$line"; read line ; echo "$line" ; read line ; echo "$line" ; while true
+i3status > >(read line; echo "$line"; read line ; echo "$line" ; read line ; echo "$line" ; while true
 do
   read line
   json_array="$(echo $line | sed -e 's/^,//')"
   irdate
   echo ",$json_array" 
-done)
+done) & PID=$!
+trap "kill -TERM $PID" 0 1 2 15
+wait $PID