git ssb

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#!/usr/bin/env bash
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##
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# This section should match your Makefile
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##
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PY=${PY:-python3}
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PELICAN=${PELICAN:-pelican}
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PELICANOPTS=
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BASEDIR=$(pwd)
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INPUTDIR=$BASEDIR/content
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OUTPUTDIR=$BASEDIR/output
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CONFFILE=$BASEDIR/developconf.py
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###
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# Don't change stuff below here unless you are sure
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###
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SRV_PID=$BASEDIR/srv.pid
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PELICAN_PID=$BASEDIR/pelican.pid
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function usage(){
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  echo "usage: $0 (stop) (start) (restart) [port]"
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  echo "This starts Pelican in debug and reload mode and then launches"
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  echo "an HTTP server to help site development. It doesn't read"
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  echo "your Pelican settings, so if you edit any paths in your Makefile"
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  echo "you will need to edit your settings as well."
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  exit 3
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}
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function alive() {
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  kill -0 $1 >/dev/null 2>&1
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}
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function shut_down(){
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  PID=$(cat $SRV_PID)
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  if [[ $? -eq 0 ]]; then
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    if alive $PID; then
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      echo "Stopping HTTP server"
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      kill $PID
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    else
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      echo "Stale PID, deleting"
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    fi
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    rm $SRV_PID
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  else
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    echo "HTTP server PIDFile not found"
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  fi
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  PID=$(cat $PELICAN_PID)
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  if [[ $? -eq 0 ]]; then
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    if alive $PID; then
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      echo "Killing Pelican"
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      kill $PID
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    else
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      echo "Stale PID, deleting"
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    fi
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    rm $PELICAN_PID
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  else
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    echo "Pelican PIDFile not found"
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  fi
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}
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function start_up(){
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  local port=$1
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  echo "Starting up Pelican and HTTP server"
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  shift
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  $PELICAN --debug --autoreload -r $INPUTDIR -o $OUTPUTDIR -s $CONFFILE $PELICANOPTS &
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  pelican_pid=$!
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  echo $pelican_pid > $PELICAN_PID
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  mkdir -p $OUTPUTDIR && cd $OUTPUTDIR
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  $PY -m pelican.server $port &
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  srv_pid=$!
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  echo $srv_pid > $SRV_PID
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  cd $BASEDIR
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  sleep 1
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  if ! alive $pelican_pid ; then
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    echo "Pelican didn't start. Is the Pelican package installed?"
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    return 1
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  elif ! alive $srv_pid ; then
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    echo "The HTTP server didn't start. Is there another service using port" $port "?"
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    return 1
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  fi
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  echo 'Pelican and HTTP server processes now running in background.'
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}
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###
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#  MAIN
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###
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[[ ($# -eq 0) || ($# -gt 2) ]] && usage
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port=''
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[[ $# -eq 2 ]] && port=$2
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if [[ $1 == "stop" ]]; then
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  shut_down
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elif [[ $1 == "restart" ]]; then
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  shut_down
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  start_up $port
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elif [[ $1 == "start" ]]; then
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  if ! start_up $port; then
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    shut_down
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  fi
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else
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  usage
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fi
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