Symfony2 deploy script

sf-deploy.sh

#!/usr/bin/env bash

COMPOSER_EXECUTABLE="composer"
NPM_EXECUTABLE="npm"
BOWER_EXECUTABLE="bower"
CONSOLE_COMMAND="php app/console"
SYMFONY_ENV="prod"
SET_PERMISSIONS=false
PREFIX="eval"
SHOW_HELP=false

# Process parameters
for i in "$@"; do
  case $i in
    -e=*|--env=*)
      SYMFONY_ENV="${i#*=}"
      shift
    ;;
    -p|--permissions)
      SET_PERMISSIONS=true
    ;;
    -n|--dry-run)
      PREFIX="echo"
    ;;
    -h|--help)
      SHOW_HELP=true
    ;;
  esac
done

function showHelp
{
  echo
  echo "Usage:"
  echo
  echo "$0 [-n|--dry-run] [-p|--permissions] [[-e|--env]=[dev|prod]]"
  echo
  printf "\\t%-20s %s\\n" "-n|--dry-run" "Simulate run"
  printf "\\t%-20s %s\\n" "-p|--permissions" "Set permissions for symfony folders"
  printf "\\t%-20s %s\\n" "-e|--env" "Set environment. Default: prod"
  echo
}

function existsCommand
{
  if $(command -v "$1" >/dev/null 2>&1); then return 0; else return 1; fi;
}

function existsCommandAndAbort
{
  if ! $(existsCommand $1); then
    echo "I require ${1} but it's not installed. Aborting.";
    exit 1;
  fi;
}

function downloadComposer
{
  $PREFIX php -r "readfile('https://getcomposer.org/installer');" | php
}

function existsFolder
{
  if [ -d "$1" ]; then return 0; else return 1; fi;
}

function existsFile
{
  if [ -f "$1" ]; then return 0; else return 1; fi;
}

function installVendors
{
  if ! $(existsFolder "./vendor"); then
    if ! $(existsCommand composer); then
      downloadComposer
      COMPOSER_EXECUTABLE="php composer.phar"
    fi
    $PREFIX $COMPOSER_EXECUTABLE install;
  fi
}

function installBowerAssets
{
  if $(existsFile "./bower.json"); then
    if ! $(existsCommand bower); then
      existsCommandAndAbort npm
      $PREFIX $NPM_EXECUTABLE install -g bower
    fi
    $PREFIX $BOWER_EXECUTABLE install --production
  fi;
}

function setSymfonyPermissions
{
  echo rm -rf app/cache/* app/logs/**
  HTTPDUSER=`ps aux | grep -E '[a]pache|[h]ttpd|[_]www|[w]ww-data|[n]ginx' | grep -v root | head -1 | cut -d\  -f1`

  if $(existsCommand setfacl); then
    $PREFIX sudo setfacl -R -m u:"$HTTPDUSER":rwX -m u:`whoami`:rwX app/cache app/logs
    $PREFIX sudo setfacl -dR -m u:"$HTTPDUSER":rwX -m u:`whoami`:rwX app/cache app/logs
  else
    $PREFIX sudo chmod +a "$HTTPDUSER allow delete,write,append,file_inherit,directory_inherit" app/cache app/logs
    $PREFIX sudo chmod +a "`whoami` allow delete,write,append,file_inherit,directory_inherit" app/cache app/logs
  fi
}

if $SHOW_HELP; then
  showHelp
  exit;
fi

installVendors
installBowerAssets
$SET_PERMISSIONS && setSymfonyPermissions

$PREFIX $CONSOLE_COMMAND clear:cache --env="$SYMFONY_ENV"
$PREFIX $CONSOLE_COMMAND assets:install --symlink
$PREFIX $CONSOLE_COMMAND assetic:dump --env="$SYMFONY_ENV"