gitea/scripts/watch

#!/bin/bash
DEBOUNCE=1.0
[[ ! $GITEA_DIR ]] && export GITEA_DIR=$(dirname $(cd $(dirname $(readlink -f $BASH_SOURCE));pwd -P))

fext=ini
declare OPTARG
declare OPTION
declare OPTIND=0

Saved=("$*")

while getopts 'fg:itud:' OPTION; do
  case "$OPTION" in
    t) fext=tmpl ;;
    *) ;;
    esac
  done

shift $(( $OPTIND - 1 ))

echo stopping any systemd process
$GITEA_DIR/scripts/systemd/stop $1
# $GITEA_DIR/scripts/start $Saved
# LOGFILE="$GITEA_DIR/watch.log"
COMMAND="$GITEA_DIR/scripts/restart $Saved"
$COMMAND
echo "watching: $GITEA_DIR/frontend/ $GITEA_DIR/config/$1.$fext, running: $COMMAND"
# export WATCH_DIR="$GITEA_DIR/frontend/"
# export WATCH_VERBOSE=1
inotifywait -mqr -e MODIFY $GITEA_DIR/frontend/ $GITEA_DIR/config/$1.$fext |
while read ; do
  # debounce extra events
      currentTime=$(date +'%H%M%S.%N')
      delta=$(bc <<< "$lastRunTime - $currentTime")
      # echo "$currentTime, $lastRunTime, $delta"
      if (( $(echo "$delta < -$DEBOUNCE" | bc -l) )); then
          echo File Changes Detected - restarting
          # echo $COMMAND
          $COMMAND
          lastRunTime=$(date +'%H%M%S.%N')
          echo "!Restarted - Refresh The Browser To See Changes"
      fi
done