1#!/usr/bin/env bash
  2##
  3# This section should match your Makefile
  4##
  5PY=python
  6PELICAN=pelican
  7PELICANOPTS=
  8
  9BASEDIR=$(pwd)
 10INPUTDIR=$BASEDIR/content
 11OUTPUTDIR=$BASEDIR/output
 12CONFFILE=$BASEDIR/pelicanconf.py
 13
 14###
 15# Don't change stuff below here unless you are sure
 16###
 17
 18SRV_PID=$BASEDIR/srv.pid
 19PELICAN_PID=$BASEDIR/pelican.pid
 20
 21function usage(){
 22  echo "usage: $0 (stop) (start) (restart) [port]"
 23  echo "This starts pelican in debug and reload mode and then launches"
 24  echo "A pelican.server to help site development. It doesn't read"
 25  echo "your pelican options so you edit any paths in your Makefile"
 26  echo "you will need to edit it as well"
 27  exit 3
 28}
 29
 30function alive() {
 31  kill -0 $1 >/dev/null 2>&1
 32}
 33
 34function shut_down(){
 35  PID=$(cat $SRV_PID)
 36  if [[ $? -eq 0 ]]; then
 37    if alive $PID; then
 38      echo "Killing pelican.server"
 39      kill $PID
 40    else
 41      echo "Stale PID, deleting"
 42    fi
 43    rm $SRV_PID
 44  else
 45    echo "pelican.server PIDFile not found"
 46  fi
 47
 48  PID=$(cat $PELICAN_PID)
 49  if [[ $? -eq 0 ]]; then
 50    if alive $PID; then
 51      echo "Killing Pelican"
 52      kill $PID
 53    else
 54      echo "Stale PID, deleting"
 55    fi
 56    rm $PELICAN_PID
 57  else
 58    echo "Pelican PIDFile not found"
 59  fi
 60}
 61
 62function start_up(){
 63  local port=$1
 64  echo "Starting up Pelican and pelican.server"
 65  shift
 66  $PELICAN --debug --autoreload -r $INPUTDIR -o $OUTPUTDIR -s $CONFFILE $PELICANOPTS &
 67  pelican_pid=$!
 68  echo $pelican_pid > $PELICAN_PID
 69  cd $OUTPUTDIR
 70  $PY -m pelican.server $port &
 71  srv_pid=$!
 72  echo $srv_pid > $SRV_PID
 73  cd $BASEDIR
 74  sleep 1
 75  if ! alive $pelican_pid ; then
 76    echo "Pelican didn't start. Is the pelican package installed?"
 77    return 1
 78  elif ! alive $srv_pid ; then
 79    echo "pelican.server didn't start. Is there something else which uses port 8000?"
 80    return 1
 81  fi
 82  echo 'Pelican and pelican.server processes now running in background.'
 83}
 84
 85###
 86#  MAIN
 87###
 88[[ ($# -eq 0) || ($# -gt 2) ]] && usage
 89port=''
 90[[ $# -eq 2 ]] && port=$2
 91
 92if [[ $1 == "stop" ]]; then
 93  shut_down
 94elif [[ $1 == "restart" ]]; then
 95  shut_down
 96  start_up $port
 97elif [[ $1 == "start" ]]; then
 98  if ! start_up $port; then
 99    shut_down 
100  fi
101else
102  usage
103fi