entrypoint.sh

#!/bin/sh

printf " =========================================\n"
printf " =========================================\n"
printf " ========== YOUTUBE-DL CONTAINER =========\n"
printf " =========================================\n"
printf " =========================================\n"
printf " == by github.com/qdm12 - Quentin McGaw ==\n\n"

exitIfNotIn(){
  # $1 is the name of the variable to check - not the variable itself
  # $2 is a string of comma separated possible values
  var="$(eval echo "\$$1")"
  for value in ${2//,/ }
  do
    if [ "$var" = "$value" ]; then
      return 0
    fi
  done
  printf "Environment variable $1=$var must be one of the following: "
  for value in ${2//,/ }
  do
    printf "$value "
  done
  printf "\n"
  exit 1
}

exitOnError(){
  # $1 must be set to $?
  status=$1
  message=$2
  [ "$message" != "" ] || message="Error!"
  if [ $status != 0 ]; then
    printf "$message (status $status)\n"
    exit $status
  fi
}

if [ ! -z "$GOTIFYURL" ]; then
  wget -qO- "$GOTIFYURL/version" &> /dev/null
  if [ $? != 0 ]; then
    printf "WARNING: Cannot communicate with Gotify server ($?)\n"
  fi
fi
exitIfNotIn AUTOUPDATE "yes,no"
[ "$AUTOUPDATE" = "no" ] || youtube-dl -U
YTDL_VERSION=$(youtube-dl --version)
PYTHON_VERSION=$(python3 --version 2>&1 | cut -d " " -f 2)
FFMPEG_VERSION=$(ffmpeg -version | head -n 1 | grep -oE 'version [0-9]+\.[0-9]+(\.[0-9]+){0,1}' | grep -oE '[0-9]+\.[0-9]+(\.[0-9]+){0,1}')
printf "Youtube-dl version: $YTDL_VERSION"
printf "\nPython version: $PYTHON_VERSION"
printf "\nFFMPEG version: $FFMPEG_VERSION"
printf "\n\n"
test -w "/downloads"
if [ $? != 0 ]; then
  echo "WARNING: /downloads is not writable, you might want to fix its ownership and/or permissions"
fi
youtube-dl "$@"
status=$?
if [ ! -z "$GOTIFYURL" ]; then
  wget \
  --header="X-Gotify-Key: $GOTIFYTOKEN" \
  --header "accept: application/json" \
  --header "Content-Type: application/json" \
  --post-data "{ \"message\": \"Youtube-DL `hostname` finished ($status)\", \"priority\": 1, \"title\": \"Youtube-DL\"}" \
  "$GOTIFYURL/message" &> /dev/null
fi
printf "\n =========================================\n"
printf " Youtube-dl exit with status $status\n"
printf " =========================================\n"