serve.sh

#!/bin/sh
# Fix the timestamp
# https://stackoverflow.com/questions/21735435/git-clone-changes-file-modification-time
# https://gist.github.com/HackingGate/9e8169c7645b074b2f40c959ca20d738

echo "Fixing file timestamp..."

OS=${OS:-`uname`}

if [ "$OS" = 'Darwin' ]; then
  get_touch_time() {
    date -r ${unixtime} +'%Y%m%d%H%M.%S'
  }
else
  # default Linux
  get_touch_time() {
    date -d @${unixtime} +'%Y%m%d%H%M.%S'
  }
fi

git ls-tree -r --name-only HEAD | while read filename; do 
  unixtime=$(git log -1 --format="%at" -- "${filename}")
  touchtime=$(get_touch_time)
  touch -t ${touchtime} "${filename}"
done
mkdir -p _tmp
mkdir -p _jekyllHome
docker run --rm -it \
  --volume="$PWD/docs:/srv/jekyll" \
  --volume="$PWD/_tmp:/tmp" \
  --volume="$PWD/_jekyllHome:/home/jekyll" \
  --volume="$PWD/vendor/bundle:/usr/local/bundle" \
  -p 4321:4321 jekyll/jekyll:3.8.5 \
  /bin/bash -c "bundle install && jekyll serve --trace --port 4321 --host 0.0.0.0"