autoreload

#!/bin/bash -e

# Script to auto-redeploy any changed code in any container.
# Please run a full `./liquid deploy` on any change involving docker images or secrets.

# To install inotify-tools:
# apt-get install inotify-tools

# Origin for inotifywait + git-check-ignore snippet:
# https://github.com/cirosantilli/cirosantilli.github.io/blob/adf4c57cdcc4bde958e55939a27f0457730ccd23/run
# Origin for debouncer snippet:
# https://cozy.computer/generic-debounce-in-bash


long_deploy() {
  ./liquid deploy
}

short_deploy() {
  ./liquid deploy --no-update-images --no-secrets --no-checks || true
}

main() {
  debounce_pid=''
  inotifywait --event close_write --monitor --recursive . |
    while read -r directory events filename; do
      if ! echo "$directory" | grep -Eq '\/\.git\/' &&
         ! git -C "${directory}" check-ignore --non-matching --verbose "${directory}/${filename}" >/dev/null 2>&1
      then
        echo "$(date) -- CHANGED ${directory}${filename} ${events} "

        if test -n "${debounce_pid}" && ps -p "${debounce_pid}" > /dev/null; then
          echo "Killing previous run..."
          kill -9 "${debounce_pid}"
        fi
        (
          sleep 2
          short_deploy
        ) &
        debounce_pid="${!}"
      else
        # don't print changes to .git, those happen all the time
        if ! echo "$directory" | grep -Eq '\/\.git\/'
        then
          echo "$(date) -- IGNORED ${directory}${filename} ${events} "
        fi
      fi
    done
}

# cd to file
cd "$(dirname ${BASH_SOURCE[0]})"

#long_deploy

main