asdf-php/bin/install

#!/usr/bin/env bash

set -o pipefail

install_php() {
    local install_type=$1
    local version=$2
    local install_path=$3

    if [ "$TMPDIR" = "" ]; then
        local tmp_download_dir=$(mktemp -d)
    else
        local tmp_download_dir=${TMPDIR%/}
    fi

    local source_path=$(get_download_file_path $install_type $version $tmp_download_dir)
    local configure_options="$(construct_configure_options $install_path)"

    download_source $install_type $version $source_path

    # Running this in a subshell because we don't to disturb the current
    # working directory.
    (
        cd $(dirname $source_path)
        tar -zxvf $source_path || exit 1

        cd $(untar_path $install_type $version $tmp_download_dir)

        # Target is OS-specific
        # target=$(get_target)

        # Build PHP
        ./buildconf --force || exit 1
        ./configure $configure_options || exit 1
        make || exit 1
        # make test || exit 1
        make install || exit 1
    )
}

construct_configure_options() {
  local install_path=$1

  global_config="--prefix=$install_path --sysconfdir=$install_path --with-config-file-path=$install_path --with-config-file-scan-dir=$install_path/conf.d --enable-bcmath --enable-calendar --enable-dba --enable-exif --enable-ftp --enable-gd-native-ttf --enable-intl --enable-mbregex --enable-mbstring --enable-shmop --enable-soap --enable-sockets --enable-sysvmsg --enable-sysvsem --enable-sysvshm --enable-wddx --enable-zip --with-gd --with-libedit --with-mhash --with-xmlrpc --without-gmp --without-snmp --with-mysql=mysqlnd --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd --enable-mysqlnd"

  if [ "$PHP_CONFIGURE_OPTIONS" = "" ]; then
    local configure_options="$(os_based_configure_options) $global_config"
  else
    local configure_options="$PHP_CONFIGURE_OPTIONS $global_config"
  fi

  echo "$configure_options"
}

homebrew_package_path() {
  local package_name=$1

  if [ "$(brew ls --versions $package_name)" = "" ]; then
    echo ""
  else
    echo "$(brew --prefix $package_name)"
  fi
}


exit_if_homebrew_not_installed() {
  if [ "$(brew --version 2>/dev/null)" = "" ]; then
    echo "ERROR: Please install homebrew for OSX"
    exit 1
  fi
}


os_based_configure_options() {
  local operating_system=$(uname -a)
  local configure_options=""

  if [[ "$operating_system" =~ "Darwin" ]]; then

    exit_if_homebrew_not_installed

    local freetype_path=$(homebrew_package_path freetype)
    local bison27_path=$(homebrew_package_path bison27)
    local gettext_path=$(homebrew_package_path gettext)
    local icu4c_path=$(homebrew_package_path icu4c)
    local jpeg_path=$(homebrew_package_path jpeg)
    local libpng_path=$(homebrew_package_path libpng)
    local openssl_path=$(homebrew_package_path openssl)
    local zlib_path=$(homebrew_package_path zlib)
    local readline_path=$(homebrew_package_path readline)

    if [ "$freetype_path" = "" ]; then
      export ASDF_PKG_MISSING="freetype"
    else
      configure_options="--with-freetype-dir=$freetype_path"
    fi

    if [ "$bison27_path" = "" ]; then
      export ASDF_PKG_MISSING="$ASDF_PKG_MISSING bison27"
    fi

    if [ "$gettext_path" = "" ]; then
      export ASDF_PKG_MISSING="$ASDF_PKG_MISSING gettext"
    else
      configure_options="$configure_options --with-gettext=$gettext_path"
    fi

    if [ "$icu4c_path" = "" ]; then
      export ASDF_PKG_MISSING="$ASDF_PKG_MISSING icu4c"
    else
      configure_options="$configure_options --with-icu-dir=$icu4c_path"
    fi

    if [ "$jpeg_path" = "" ]; then
      export ASDF_PKG_MISSING="$ASDF_PKG_MISSING jpeg"
    else
      configure_options="$configure_options --with-jpeg-dir=$jpeg_path"
    fi

    if [ "$libpng_path" = "" ]; then
      export ASDF_PKG_MISSING="$ASDF_PKG_MISSING libpng"
    else
      configure_options="$configure_options --with-png-dir=$libpng_path"
    fi

    if [ "$openssl_path" = "" ]; then
      export ASDF_PKG_MISSING="$ASDF_PKG_MISSING openssl"
    else
      configure_options="$configure_options --with-openssl=$openssl_path"
    fi

    if [ "$zlib_path" = "" ]; then
      export ASDF_PKG_MISSING="$ASDF_PKG_MISSING zlib"
    else
      configure_options="$configure_options --with-zlib-dir=$zlib_path"
    fi

    if [ "$readline_path" != "" ]; then
      configure_options="$configure_options --with-readline-dir=$readline_path"
    fi
  fi

  echo $configure_options
}

download_source() {
    local install_type=$1
    local version=$2
    local download_path=$3
    local download_url=$(get_download_url $install_type $version)

    # curl -Lo $download_path -C - $download_url
    curl -Lo $download_path $download_url
}

get_download_file_path() {
    local install_type=$1
    local version=$2
    local tmp_download_dir=$3
    local php_version=$(get_php_version $version)
    local pkg_name="php-${php_version}.tar.gz"

    echo "$tmp_download_dir/$pkg_name"
}

untar_path() {
    local install_type=$1
    local version=$2
    local tmp_download_dir=$3

    local php_version=$(get_php_version $version)

    local dir_name="php-src-php-${php_version}"

    echo "$tmp_download_dir/$dir_name"
}

get_download_url() {
  local install_type=$1
  local version=$2

  echo "https://github.com/php/php-src/archive/php-${version}.tar.gz"
}

get_php_version() {
    IFS='-' read -a version_info <<< "$1"

    if [ "${#version_info[@]}" -eq 1 ]; then
        echo "${version_info[0]}"
    else
        echo "${version_info[0]}-${version_info[1]}"
    fi
}

# get_target() {
#     os=$(uname -s)
#
#     # If on OSX (Darwin) then the target is macosx
#     if [ $os = "Darwin" ]; then
#         echo "macosx"
#     else # Otherwise we assume Linux
#         echo "linux"
#     fi
# }

#version_5x_or_greater() {
#     version=$1
#     IFS='.' read -a version_array <<< "$version"
#     major_version="${version_array[0]}"
#
#     if (( $major_version >= 5 )); then
#         return 0
#     else
#         return 1
#     fi
#}

#version_5_2x_or_greater() {
#     version=$1
#     IFS='.' read -a version_array <<< "$version"
#     major_minor_version="${version_array[0]}0${version_array[1]}"
#     if (( $major_minor_version >= 502 )); then
#         return 0
#     else
#         return 1
#     fi
#}

install_php $ASDF_INSTALL_TYPE $ASDF_INSTALL_VERSION $ASDF_INSTALL_PATH