m_runner.sh

m_runner.sh

#!/bin/bash
#  use it for continue running application 
#  similar entr

# if you want to use swallow function you need to install
# https://github.com/windwp/i3-master-stack
# https://github.com/windwp/i3-master-stack/blob/master/swallow

#┌──────────┐
#│vim script│
#└──────────┘

# put in on vim.rc  or init.vim
# change *.go to your file type
#========================================

#augroup editorsignal
#    autocmd!
#    autocmd bufwritepost *.go  :silent !pkill -usr1 m_runner_s.sh
#augroup end


idfile="/tmp/runner_pid.txt"
if [ ! -f "${idfile}" ]
then
    touch "$idfile"
fi
tid=$(xdo id)
echo "kill id" | cat $idfile
echo $pwd
kill $(cat "$idfile")
echo $@

command="$@"
# my script have swallow function on i3 if you don't want to use it remove swallow -p ${tid}

command="alacritty --hold --working-directory  $pwd -e swallow -p ${tid} $command"

# command="alacritty --hold --working-directory  $pwd -e  $command "



handler(){
    echo "handler was called."
    wid=$(xdotool search -pid $pid)
    # focus on runner process it make i3 understand the next window spawn
    if [[ ${#wid} -gt 2  ]]; then
        xdotool windowactivate $wid
    fi
    sleep 0.5 
    kill $pid
    $command &
    pid=$!
    sleep 1 

    # do what ever you want to update layout 

    # focus back on vim 
    i3-msg '[title="nvim"] focus'
}

trap  handler usr1 

$command & 
pid=$!

echo "press 'q' to exit"
count=0
while : ; do
    read -n 1 k <&1
    if [[ $k = q ]] ; then
        printf "\nquitting from the program\n"
        break
    else
        ((count=$count+1))
        printf "\niterate for $count times\n"
        echo "press 'q' to exit"
    fi
done

# reset all traps 
trap - usr1