setup.sh.in

#!/bin/sh

set -e
set -u

display() {
  lines=$(wc -l "$TEMPFILE" | cut -d ' ' -f 1)
  case $lines in
    0) echo ;;
    1) head -1 $TEMPFILE ;;
    *) echo ; cat $TEMPFILE | sed -e 's/^/  /g'
  esac
}

run() {
  message=$1
  command=$2
  fix=${3-No}
  type=${4-Error}

  printf "> $message...\r"
  eval $command > $TEMPFILE 2>&1 && { echo "✓ $(display)$SPACE"; return 0; } || {
    printf "\033[31;1m✕ $type #$?: $(display)$SPACE\n"
    printf "  Cannot verify $message executing \`$command'\033[0m\n"

    if [ Warning = $type ] ; then
      echo "  Ignoring for the moment"
      return 0
    fi

    if [ No = "$fix" ] || [ Unattended = $MODE ] ; then
      echo "Installation cannot continue."
      return 1
    fi

    echo "  This can be fixed by running \`$fix'"
    echo
    printf '  Should we do this now (y/N)? '
    read answer
    if [ y = "$answer" ] ; then
      eval $fix
      run "$message" "$command"
      return $?
    fi

    echo "OK, you need to fix this yourself, then."
    return 2
  }
}

download() {
  url=$1
  target=$2

  printf '> Download'
  if which curl >/dev/null 2>&1; then
    curl '-#' -L "$url" -o $target
  elif which wget >/dev/null 2>&1; then
    wget -nv "$url" -O $target
  fi
  return $?
}

commands() {
  for command in "$@"; do
    which $command 2>/dev/null && return 0
  done
  echo "Cannot find $* in path"
  return 127
}

bundle_php() {
  releases=http://windows.php.net/downloads/releases/

  download $releases - | grep -Eo 'php-[0-9.]+-nts-Win32-[VCx0-9-]+.zip' | sort -rn | uniq > $TEMPFILE

  echo "> Select which PHP version you want to use"
  nl -b a $TEMPFILE

  lines=$(wc -l "$TEMPFILE" | cut -d ' ' -f 1)
  while : ; do
    printf '  Select: '
    read choice
    test $choice -ge 1 2>/dev/null && test $choice -le $lines 2>/dev/null && break
    printf "\033[31;1m✕ Obviously not a valid choice.\033[0m Use Ctrl+C to exit.\n"
  done

  release=$(head -$choice $TEMPFILE | tail -1)
  test -f $release || download $releases/$release $release

  pwd=$(cygpath -w $(pwd) | sed -e 's#\\#\\\\#g')
  target=$(basename $release .zip)
  mkdir -p $target
  echo "var shell = WSH.createObject('Shell.Application');" > $TEMPFILE
  echo "var origin = shell.nameSpace('$pwd\\\\$release').items();" >> $TEMPFILE
  echo "var target = shell.nameSpace('$pwd\\\\$target');" >> $TEMPFILE
  echo "for (var i = 0; i < origin.count; i++) {" >> $TEMPFILE
  echo "  WScript.Echo('  ' + origin.item(i));" >> $TEMPFILE
  echo "  target.copyHere(origin.item(i), 20);" >> $TEMPFILE
  echo "}"  >> $TEMPFILE
  echo "> Extracting into $target"
  cscript //NoLogo //e:JScript $(cygpath -w $TEMPFILE)
  rm $release
  PATH=$PATH:$target
  return 0
}

configure() {
  printf "> Configuration\r"
  if [ -f xp.ini ] ; then
    echo "! Not overwriting existing $(ls -al xp.ini)"
  else
    for option in "$@"; do
      echo $option >> xp.ini
    done
    echo "✓ Created $(ls -al xp.ini)"
  fi
  cat xp.ini | sed -e 's/^/  /g'
}

printf "\033[32;1mXP Runners setup (@VERSION@)\033[0m\n"
echo '(c) 2016 https://github.com/xp-runners/reference/'
echo

TEMPFILE=$(mktemp -u)
SPACE='                  '
MODE=Default
CHECKS=Error
FORCE=
while getopts :uf flag ; do
  case $flag in
    u) MODE=Unattended ; echo '> Unattended mode' ;;
    f) CHECKS=Warning ; echo '> Ignoring errors from prerequisites checks' ;;
  esac
done

OS=$(uname)
if [ 'Linux' = "$OS" ] ; then OS=$(lsb_release -si) ; fi
case $OS in
  CYGWIN*)
    EXE=xp.exe

    run 'Cygwin' "uname -a"
    run 'Tar' "commands tar" "/cygwinsetup.exe -P tar -q -n -W"
    run 'Curl' "commands curl wget" "/cygwinsetup.exe -P curl -q -n -W"
    run '.NET Framework installed' "ls -d $(cygpath -m $WINDIR)/Microsoft.NET/Framework*/v*" No $CHECKS
    run 'PHP runtime available' "php.exe -v" "bundle_php" $CHECKS

    php=$(which php.exe 2>/dev/null || echo No)
    if [ No = $php ] ; then
      echo "! No PHP runtime, cannot create xp.ini"
    else
      ver=$($php -r 'echo substr(PHP_VERSION, 0, 3);')
      configure \
        "rt=$ver" "" \
        "[runtime@$ver]" \
        "default=$(cygpath -w $php)" \
        "extension_dir=$(cygpath -w $(dirname $php))\\ext" \
        "extension=php_com_dotnet.dll"
    fi
    ;;

  Ubuntu*|Debian*)
    EXE=xp

    run 'Linux' "uname -a"
    run 'Tar' "commands tar" "sudo apt-get install tar"
    run 'Curl' "commands curl wget" "sudo apt-get install curl"
    run '.NET Framework installed' "mono --version" "sudo apt-get install libmono-corlib4.5-cil libmono-2.0-1" $CHECKS
    run 'PHP runtime available' "php -v" "sudo apt-get install php5-cli" $CHECKS

    php=$(which php 2>/dev/null || echo No)
    if [ No = "$php" ] ; then
      echo "! No PHP runtime, cannot create xp.ini"
    else
      ver=$($php -r 'echo substr(PHP_VERSION, 0, 3);')
      configure "rt=$ver" "" "[runtime@$ver]" "default=$php"
    fi
    ;;

  Darwin*)
    EXE=xp.exe
    run 'OS X' "uname -a"
    run 'Tar' "commands tar"
    run 'Curl' "commands curl wget"
    run '.NET Framework installed' "mono --version" No $CHECKS
    run 'PHP runtime available' "php -v" No $CHECKS

    php=$(which php 2>/dev/null || echo No)
    if [ No = "$php" ] ; then
      echo "! No PHP runtime, cannot create xp.ini"
    else
      ver=$($php -r 'echo substr(PHP_VERSION, 0, 3);')
      configure "rt=$ver" "" "[runtime@$ver]" "default=$php"
    fi

    echo '#!/bin/sh' > xp
    echo $(which mono)' $(dirname "$0")/xp.exe "$@"' >> xp
    chmod 755 xp
    ;;

  *)
    EXE=xp

    run 'Un*x' "uname -a"
    run 'Tar' "commands tar"
    run 'Curl' "commands curl wget"
    run '.NET Framework installed' "mono --version" No $CHECKS
    run 'PHP runtime available' "php -v" No $CHECKS

    php=$(which php 2>/dev/null || echo No)
    if [ No = $php ] ; then
      echo "! No PHP runtime, cannot create xp.ini"
    else
      ver=$($php -r 'echo substr(PHP_VERSION, 0, 3);')
      configure "rt=$ver" "" "[runtime@$ver]" "default=$php"
    fi
    ;;
esac

TARFILE=$(mktemp -u)
download https://bintray.com/artifact/download/xp-runners/generic/xp-runners_@VERSION@.tar.gz $TARFILE

run 'Extract' "tar xvfz $TARFILE $EXE class-main.php web-main.php"
run 'Test' "ls -al $(pwd)/$EXE"

echo
echo "Done, runners installed to $(pwd)"
rm "$TEMPFILE" "$TARFILE"