#!/usr/bin/env bash

__rvm_install_source() {
  if [[ -z "$rvm_ruby_selected_flag" ]] ; then __rvm_select $* ; fi
  __rvm_log "info" "Installing Ruby from source to: $rvm_ruby_home"
  mkdir -p "$rvm_ruby_log_path"

  __rvm_pushpop "$rvm_src_path"

  if [[ ! -z "$rvm_force_flag" ]] ; then
    rm -rf "$rvm_ruby_home" "$rvm_ruby_src_path"
  fi

  result=0
  # TODO: This really should be about the url instead of this hokey logic.
  if [[ -z "$rvm_head_flag" ]] && [[ -z "$rvm_ruby_tag" ]] && [[ -z "$rvm_ruby_revision" ]] ; then
    if [[ ! -f "$rvm_archives_path/$rvm_ruby_package_name.tar.gz" ]] ; then
      rvm_url="${rvm_url:-"ftp://ftp.ruby-lang.org/pub/ruby/1.$rvm_major_version/$rvm_ruby_package_name.tar.gz"}"
      __rvm_log "info" "Downloading $rvm_ruby_package_name, this may take a while depending on your connection..."
      __rvm_fetch "$rvm_url"
      if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
    fi
    #mkdir -p "$rvm_ruby_src_path" # Is this line necessary considering -C below?    v
    __rvm_run "extract" "tar xzf $rvm_archives_path/$rvm_ruby_package_name.tar.gz -C $rvm_src_path" "Extracting $rvm_ruby_package_name ..."
    if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
  else
    if [[ ! -z "$(echo $rvm_url | awk '/^git/')" ]] ; then
      if [[ -d "$rvm_ruby_src_path/.git" ]] ; then
        cd $rvm_ruby_src_path
        if [[ -z "$rvm_ruby_revision" ]] ; then
          __rvm_log "info" "Pulling from $rvm_ruby_repo_url, this may take a while depending on your connection..."
          git pull origin master
          if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
        else
          if [[ -z "$rvm_ruby_sha" ]] ; then
            git checkout HEAD
          else
            git checkout $(echo $rvm_ruby_sha | sed 's#^s##')
          fi
          if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
        fi
      else
        __rvm_log "info" "Cloning from $rvm_ruby_repo_url, this may take a while depending on your connection..."
        git clone --depth 1 $rvm_ruby_repo_url $rvm_ruby_src_path
        if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
      fi
    else
      if [[ ! -z "$rvm_head_flag" ]] || [[  "trunk" = "$rvm_ruby_revision" ]] ; then
        rvm_url="$rvm_ruby_repo_url/trunk"
        rvm_rev=""
      elif [[ ! -z "$rvm_ruby_tag" ]] ; then
        # TODO: Check if tag v is valid
        rvm_url="$rvm_ruby_repo_url/tags/$(echo $rvm_ruby_tag | sed 's/^t//')"
        rvm_rev=""
      else
        rvm_url=$rvm_ruby_repo_url/branches/ruby_1_${rvm_major_version}_${rvm_minor_version}
        rvm_rev="-$rvm_ruby_revision"
      fi

      if [[ -d "$rvm_ruby_src_path/.svn" ]] ; then
        cd $rvm_ruby_src_path
        __rvm_log "info" "Updating ruby from $rvm_url"
        __rvm_run "svn.update" "svn update"
        if [[ ! -z "$rvm_rev" ]] ; then
          __rvm_log "info" "Checking out revision ${rvm_rev/-r/-r } from $rvm_url"
          __rvm_run "svn.checkout" "svn update -q ${rvm_rev/-r/-r }"
        fi
      else
        rm -rf $rvm_ruby_src_path
        __rvm_run "svn.checkout" "svn checkout -q ${rvm_rev/-r/-r } $rvm_url $rvm_ruby_src_path"
      fi
      if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
    fi
  fi

  cd $rvm_ruby_src_path
  if [[ $? -gt 0 ]] ; then result=$? ; __rvm_log "error" "There was an error, please check $rvm_ruby_log_path/*.error.log" ; __rvm_pushpop ; return $result ; fi

  if [[ -z "$rvm_ruby_configure" ]] && [[ ! -s "$rvm_ruby_src_path/configure" ]] ; then
    rvm_autoconf="$(which autoconf)"
    if [[ $? -gt 0 ]] ; then __rvm_log "fail" "rvm expects autoconf" ; result=$? ; return $result ; fi
    __rvm_run "autoconf" "$rvm_autoconf" "Running autoconf"
    # if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi # Don't barf on autoconf fail...
  fi

  if [[ -s ./Makefile ]] && [[ -z "$rvm_reconfigure_flag" ]] ; then
    __rvm_log "debug" "Skipping configure step, Makefile exists so configure must have already been run."
  elif [[ ! -z "$rvm_ruby_configure" ]] ; then
    __rvm_run "configure" "$rvm_ruby_configure"
    if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
  elif [[ -s ./configure ]] ; then
    __rvm_run "configure" "./configure --prefix=$rvm_ruby_home $rvm_ruby_configure_flags $configure_parameters" "Configuring $rvm_ruby_package_name, this may take a while depending on your cpu(s)..."
    if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
    unset configure_parameters
  else
    __rvm_log "error" "Skipping configure step, 'configure' script does not exist, did autoconf not run successfully?"
  fi

  rvm_ruby_make=${rvm_ruby_make:-"/usr/bin/make"}
  __rvm_run "make" "$rvm_ruby_make $rvm_make_flags" "Compiling $rvm_ruby_package_name, this may take a while, depending on your cpu(s)..."
  if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi

  rvm_ruby_make_install=${rvm_ruby_make_install:-"/usr/bin/make install"}
  __rvm_run "install" "$rvm_ruby_make_install" "Installing $rvm_ruby_package_name"
  if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi

  __rvm_log "info" "Installation of $rvm_ruby_package_name is complete."

  GEM_HOME="$rvm_ruby_gem_home" ; export GEM_HOME
  GEM_PATH="$rvm_ruby_gem_home" ; export GEM_PATH

  __rvm_rubygems_setup
  __rvm_bin_script
  __rvm_run "chmod.bin" "chmod +x $rvm_ruby_home/bin/*"
  __rvm_post_install
  __rvm_pushpop
}

__rvm_install_ruby() {

  if [[ -z "$rvm_ruby_selected_flag" ]]  ; then __rvm_select $* ; fi
  if [[ ! -z "$RUBYOPT" ]]     ; then ruby_options="$RUBYOPT" ; unset RUBYOPT ; fi

  case "$rvm_ruby_interpreter" in
    macruby)
      if [[ "Darwin" = "$(uname)" ]] ; then
        if [[ "$rvm_head_flag" = 1 ]] ; then
          __rvm_install_llvm
          macruby_path="/usr/local/bin"
          # TODO: configure & make variables should be set here.
          rvm_ruby_configure=" true "
          rvm_ruby_make="rake"
          rvm_ruby_make_install="sudo rake install"
          rvm_url="$(__rvm_db "${rvm_ruby_interpreter}_repo_url")"
          rvm_ruby_repo_url=$rvm_url
          __rvm_install_source $*
        else # if [[ "nightly" = "$rvm_ruby_version" ]] ; then
          macruby_path="/usr/local/bin"
          # TODO: Separated nightly from head.
          rvm_url="$(__rvm_db "macruby_nightly_url")"
          __rvm_log "info" "Retrieving the latest nightly macruby build..."
          __rvm_fetch "$rvm_url"
          mv "$rvm_archives_path/macruby_nightly-latest.pkg" "$rvm_archives_path/macruby_nightly.pkg"
          __rvm_run "macruby/extract" "sudo installer -pkg '$rvm_path/archives/macruby_nightly.pkg' -target '/'"
          mkdir -p "$rvm_ruby_home/bin"
        fi

        binaries="erb gem irb rake rdoc ri ruby testrb" # Trick to work in more shells :)
        for binary_name in $(echo $binaries); do
          # if [[ $binary_name != "gem" ]] ; then prefix="-S" ; fi
          ruby_wrapper=$(cat <<RubyWrapper
#!/bin/bash

GEM_HOME="$rvm_ruby_gem_home" ; export GEM_HOME
GEM_PATH="$rvm_ruby_gem_home" ; export GEM_PATH
MY_RUBY_HOME="$rvm_ruby_home" ; export MY_RUBY_HOME
PATH="$rvm_ruby_home/bin:$rvm_ruby_gem_home/bin:\$PATH" ; export PATH

exec $macruby_path/mac$binary_name $prefix "\$@"
RubyWrapper
)
          files="$rvm_ruby_home/bin/$binary_name $rvm_path/bin/$binary_name-$rvm_ruby_package_name"
          for file_name in $(echo $files)  ; do
            rm -f $file_name
            echo "$ruby_wrapper" > $file_name
            if [[ -f $file_name ]] ; then chmod +x $file_name ; fi
          done
          unset file_name ruby_wrapper binary_name files prefix
        done
        __rvm_irbrc
      else
        __rvm_log "fail" "MacRuby can only be installed on a Darwin OS."
      fi
    ;;

    ree)
      if [[ ! -z "$(echo $rvm_ruby_version | awk '/^1\.8/')" ]] && [[ -z "$rvm_head_flag" ]] ; then
        rvm_url="$(__rvm_db "ree_${rvm_ruby_version}_url")/$rvm_ruby_package_file.tar.gz"
        __rvm_log "info" "Installing Ruby Enterprise Edition from source to: $rvm_ruby_home"
        __rvm_pushpop "$rvm_src_path"
        if [[ -z "$rvm_force_flag" ]] && [[ -d "$rvm_ruby_src_path" ]] && [[ ! -x "$rvm_ruby_src_path/installer" ]] ; then
          __rvm_log "It appears that the archive has already been extracted. Skipping extract (use --force to force re-download and extract)."
        else
          __rvm_log "Downloading $rvm_ruby_package_file, this may take a while depending on your connection..."
          __rvm_fetch "$rvm_url"
          if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
          rm -rf "$rvm_ruby_src_path"
          __rvm_run "extract" "tar xzf $rvm_archives_path/$rvm_ruby_package_file.tar.gz -C $rvm_src_path" "Extracting $rvm_ruby_package_file..."
          if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
          mv "$rvm_src_path/$rvm_ruby_package_file" "$rvm_ruby_src_path"
        fi
        cd "$rvm_ruby_src_path"

        mkdir -p "$rvm_ruby_log_path"
        mkdir -p "${rvm_ruby_home}/lib/ruby/gems/1.8/gems"
        if [[ ! -z "$rvm_ruby_configure_flags" ]] ; then
          rvm_ruby_configure_flags="$(echo $rvm_ruby_configure_flags | sed 's#--#-c --#g')"
        fi

        if [[ "Darwin" = "$(uname)" ]] && [[ "1.8.6" = "$rvm_ruby_version" ]] && [[ -z "$rvm_ree_options" ]] ; then
          rvm_ree_options="${rvm_ree_options} --no-tcmalloc"
        fi

        __rvm_run "install" "./installer -a $rvm_path/$rvm_ruby_interpreter-$rvm_ruby_version-$rvm_ruby_patch_level $rvm_ree_options --dont-install-useful-gems $rvm_ruby_configure_flags" "Installing $rvm_ruby_string, this may take a while, depending on your cpu(s)..." # --no-tcmalloc
        if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
        chmod +x $rvm_ruby_home/bin/*

        __rvm_rubygems_setup

        for rvm_gem_name in rake ; do
          __rvm_run "gems" "$rvm_ruby_home/bin/gem install $rvm_gem_name --no-rdoc --no-ri -q" "Installing $rvm_gem_name"
        done
        __rvm_inject_ruby_shebang "$rvm_ruby_gem_home/bin/rake"
        __rvm_inject_gem_env "$rvm_ruby_gem_home/bin/rake"

        __rvm_irbrc
        __rvm_bin_scripts
        __rvm_post_install
        __rvm_pushpop
      else
        rvm_url="$(__rvm_db "ree_${rvm_ruby_version}_repo_url")"
        if [[ -z "$rvm_url" ]] ; then
          __rvm_log "fail" "rvm does not know the rvm repo url for 'ree_${rvm_ruby_version}'"
          result=1
        else
          rvm_ruby_repo_url=$rvm_url
          __rvm_make_flags
          __rvm_install_source $*
        fi
      fi
    ;;

    rbx|rubinius)
      __rvm_log "info" "Installing pre-requisites"
      # prereqs, 1.8.6+ + rake. Yes this could all be one line... not pushing our luck.
      echo "$(export rvm_install_on_use_flag=1 ; rvm 1.8.7)" # This should install if missing.
      # TODO: use 'rvm gems load' here:
      unset CFLAGS LDFLAGS ARCHFLAGS # Important.
      __rvm_unset_ruby_variables ; rvm_ruby_string="rbx-head" ; __rvm_select

      unset GEM_HOME GEM_PATH MY_RUBY_HOME IRBRC
      PATH=$(echo $PATH | tr ':' '\n' | awk '$0 !~ /rvm/' | paste -sd : -)
      PATH=$rvm_bin_path:$PATH ; export PATH

      rvm_ruby_repo_url="$rvm_rubinius_repo_url"
      rvm_ruby_home="$rvm_path/$rvm_ruby_interpreter-$rvm_ruby_version"

      if [[ ! -d "$rvm_ruby_home" ]] || [[ ! -d "$rvm_ruby_home/.git" ]] ; then
        rm -rf "$rvm_ruby_home" ; cd "$rvm_home"
        __rvm_run "rbx.repo" "git clone --depth 1 $rvm_ruby_repo_url $rvm_ruby_home" "Cloning $rvm_ruby_repo_url"
        cd "$rvm_ruby_home"
      else
        cd "$rvm_ruby_home"
        __rvm_run "rbx.repo" "git pull origin master" "Pulling from origin master"
      fi

      #if [[ ! -x "$rvm_ruby_distclean" ]] ; then
      #  __rvm_run "rake.distclean" "\$(rvm 1.8.7 ; rake distclean --trace)" "Running distclean."
      #fi

      # For Installer, can do this once it's ready:
      # RBX_PREFIX="$rvm_ruby_home" ; export RBX_PREFIX
      # Also see 'rakelib/configuration.rake'

      cd "$rvm_ruby_home"
      # TODO: Once installer is done add the prefix:
      #rvm_ruby_configure="./configure --prefix=$rvm_ruby_home" ; message="Configuring rbx"
      rvm_ruby_configure="./configure" ; message="Configuring rbx"
      if [[ ! -z "$rvm_jit_flag" ]] ; then
        rvm_ruby_configure="$rvm_ruby_configure --enable-llvm" ; message="$message with LLVM enabled"
      fi
      __rvm_run "configure" "$rvm_ruby_configure" "$message"

      if [[ "$rvm_trace_flag" -eq 1 ]] ; then
        rvm_ruby_make="\$(rvm 1.8.7 ; rake --trace)" ; message="Compiling rbx"
      else
        rvm_ruby_make="\$(rvm 1.8.7 ; rake)" ; message="Compiling rbx"
      fi
      __rvm_run "rake" "$rvm_ruby_make" "$message"

      # TODO: Uncomment the following once --prefix is working properly again
      #rvm_ruby_make_install="\$(rvm 1.8.7 ; rake install --trace)" ; message="Installing rbx"
      #__rvm_run "rake.install" "$rvm_ruby_make" "$message"

      binaries="ruby irb" # Trick to work in more shells :)
      for binary_name in $(echo $binaries) ; do
        ln -fs $rvm_ruby_home/bin/rbx $rvm_ruby_home/bin/$binary_name
      done ; unset binary_name binaries

      __rvm_run "rake.install" "$rvm_ruby_home/bin/rbx gem install rake --no-rdoc --no-ri" "Installing Rake"

      binary=rake
      if [[ -f $rvm_ruby_gem_home/bin/$binary ]] ; then
        if [[ "$rvm_ruby_gem_home" != "$rvm_ruby_home" ]] ; then
          cp $rvm_ruby_gem_home/bin/$binary $rvm_ruby_home/bin/$binary
        fi
        chmod +x $rvm_ruby_home/bin/$binary
        __rvm_inject_ruby_shebang "$rvm_ruby_home/bin/$binary"
        __rvm_inject_gem_env "$rvm_ruby_home/bin/$binary"
      fi ; unset binary

      binaries="erb ri rdoc"
      __rvm_post_install

      binaries="gem" # Trick to work in more shells :)
      for binary_name in $(echo $binaries); do
        if [[ $binary_name != "gem" ]] ; then prefix="-S" ; fi
        ruby_wrapper=$(cat <<RubyWrapper
#!/bin/bash

GEM_HOME="$rvm_ruby_gem_home" ; export GEM_HOME
GEM_PATH="$rvm_ruby_gem_home" ; export GEM_PATH
MY_RUBY_HOME="$rvm_ruby_home" ; export MY_RUBY_HOME
PATH="$rvm_ruby_home/bin:$rvm_ruby_gem_home/bin:\$PATH" ; export PATH

exec $rvm_ruby_home/bin/rbx $prefix $binary_name "\$@"
RubyWrapper
)
        files="$rvm_ruby_home/bin/$binary_name $rvm_path/bin/$binary_name-$rvm_ruby_package_name"
        for file_name in $(echo $files)  ; do
          rm -f $file_name
          echo "$ruby_wrapper" > $file_name
          if [[ -f $file_name ]] ; then chmod +x $file_name ; fi
        done ; unset file_name
        unset ruby_wrapper binary_name files prefix
      done
      __rvm_irbrc
      __rvm_bin_scripts
    ;;

    jruby)
      mkdir -p "$rvm_ruby_log_path"  "$rvm_ruby_src_path"
      __rvm_pushpop $rvm_src_path

      if [[ "$rvm_head_flag" -eq 1 ]] || [[ ! -z "$rvm_ruby_revision" ]] ; then
        if [[ -d "$rvm_ruby_src_path/.git" ]] ; then
          cd "$rvm_ruby_src_path"
          if [[ -z "$rvm_ruby_revision" ]] ; then
            __rvm_log "info" "Pulling from $rvm_ruby_repo_url, this may take a while depending on your connection..."
            git pull origin master
            if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
          else
            if [[ -z "$rvm_ruby_sha" ]] ; then
              git checkout HEAD
            else
              git checkout $(echo $rvm_ruby_sha | sed 's#^s##')
            fi
            if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
          fi
        else
          rm -rf "$rvm_ruby_src_path"
          __rvm_log "info" "Cloning from $rvm_ruby_repo_url, this may take a while depending on your connection..."
          git clone --depth 1 "$rvm_ruby_repo_url" "$rvm_ruby_src_path"
          if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
        fi

        cd "$rvm_ruby_src_path"
        ant dist
      else
        if [[ -z "$rvm_force_flag" ]] && [[ -f $rvm_package_file ]] && [[ -s $rvm_package_file ]] ; then
          __rvm_log "info" "It appears that $rvm_package_file has already been downloaded, skipping. Use --force to force re-download."
        else
          __rvm_log "info" "Downloading $rvm_package_file, this may take a while depending on your connection..."
          __rvm_fetch "$rvm_url"
        fi
        __rvm_run "extract" "tar zxf $rvm_archives_path/$rvm_package_file.tar.gz -C $rvm_src_path" "Extracting $rvm_package_file..."
        if [[ "$rvm_package_file" != "$rvm_ruby_string" ]] ; then
          mv "$rvm_src_path/$rvm_package_file" "$rvm_src_path/$rvm_ruby_string"
        fi
        cd "$rvm_ruby_src_path"
      fi

      mkdir -p "$rvm_ruby_home/bin/"
      cd "$rvm_ruby_src_path/tool/nailgun" && /usr/bin/make $rvm_make_flags

      __rvm_pushpop

      if [[ -z "$rvm_ruby_home" ]] || [[ "$rvm_ruby_home" = "/" ]] ; then echo "WTH?!?! rvm_ruby_home == / ??? not removing." ; return 1000000 ; fi
      rm -rf $rvm_ruby_home
      __rvm_run "install" "/bin/cp -Rf $rvm_ruby_src_path $rvm_ruby_home" "Installing JRuby to $rvm_ruby_home"

      __rvm_pushpop $rvm_ruby_home/bin/
      for binary in jirb jruby jgem ; do
        ln -nfs $binary ${binary#j}
      done ; unset binary
      __rvm_pushpop

      for binary in rake rdoc ri spec autospec \
                     testrb jrubyc jirb_swing jirb jgem ast generate_yaml_index.rb; do
        __rvm_inject_ruby_shebang $rvm_ruby_home/bin/$binary
        __rvm_inject_gem_env $rvm_ruby_home/bin/$binary
        chmod +x $rvm_ruby_home/bin/$binary
      done ; unset binary

      __rvm_rubygems_setup
      __rvm_irbrc
      __rvm_bin_script
      __rvm_use

      for rvm_gem_name in jruby-openssl ; do
        __rvm_run "gems" "$rvm_ruby_home/bin/gem install $rvm_gem_name --no-rdoc --no-ri -q" "Installing $rvm_gem_name"
      done ; unset rvm_gem_name
    ;;

    mput|shyouhei)
      __rvm_make_flags
      unset GEM_HOME GEM_PATH MY_RUBY_HOME IRBRC
      PATH=$(echo $PATH | tr ':' '\n' | awk '$0 !~ /rvm/' | paste -sd : -)
      PATH=$rvm_bin_path:$PATH ; export PATH

      rvm_ruby_repo_url=$rvm_shyouhei_repo_url
      unset rvm_ruby_configure
      rvm_ruby_src_path=$rvm_ruby_home
      # rvm_ruby_make="rake"
      # rvm_ruby_make_install="rake install"
      rvm_ruby_home="$rvm_path/$rvm_ruby_interpreter-$rvm_ruby_version"
      # rvm_ruby_revision="head"

      if [[ ! -d "$rvm_ruby_src_path" ]] || [[ ! -d "$rvm_ruby_src_path/.git" ]] ; then
        rm -rf $rvm_ruby_src_path
        __rvm_run "mput.repo" "git clone --depth 1 $rvm_ruby_repo_url $rvm_ruby_src_path" "Cloning $rvm_ruby_repo_url"
        cd $rvm_ruby_home
      else
        cd $rvm_ruby_home
        __rvm_run "mput.repo" "git pull origin trunk" "Pulling from origin trunk"
      fi

      if [[ ! -s "$rvm_ruby_src_path/configure" ]] ; then
          rvm_autoconf="$(which autoconf)"
          if [[ $? -gt 0 ]] ; then __rvm_log "fail" "rvm expects autoconf" ; result=$? ; return $result ; fi
          __rvm_run "autoconf" "$rvm_autoconf" "Running autoconf"
          # if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi # Don't barf on autoconf fail...
      fi

      if [[ -s ./Makefile ]] && [[ -z "$rvm_reconfigure_flag" ]] ; then
          __rvm_log "debug" "Skipping configure step, Makefile exists so configure must have already been run."
      elif [[ ! -z "rvm_ruby_configure" ]] ; then
          $rvm_ruby_configure
      elif [[ -s ./configure ]] ; then
          __rvm_run "configure" "./configure --prefix=$rvm_ruby_home $rvm_ruby_configure_flags $configure_parameters" "Configuring $rvm_ruby_package_name using $rvm_ruby_configure_flags, this may take a while depending on your cpu(s)..."
          if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
          unset configure_parameters
      else
          __rvm_log "error" "Skipping configure step, 'configure' script does not exist, did autoconf not run successfully?"
      fi

      rvm_ruby_make=${rvm_ruby_make:-"/usr/bin/make"}
      __rvm_run "make" "$rvm_ruby_make $rvm_make_flags" "Compiling $rvm_ruby_package_name, this may take a while, depending on your cpu(s)..."
      if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi

      rvm_ruby_make_install=${rvm_ruby_make_install:-"/usr/bin/make install"}
      __rvm_run "install" "$rvm_ruby_make_install" "Installing $rvm_ruby_package_name"
      if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi

      __rvm_log "info" "Installation of $rvm_ruby_package_name is complete."

      GEM_HOME="$rvm_ruby_gem_home" ; export GEM_HOME
      GEM_PATH="$rvm_ruby_gem_home" ; export GEM_PATH

      __rvm_rubygems_setup
      __rvm_bin_script
      __rvm_run "chmod.bin" "chmod +x $rvm_ruby_home/bin/*"
      __rvm_post_install
      __rvm_pushpop
    ;;

    ruby)
      __rvm_make_flags
      __rvm_install_source $*
    ;;

    default)
      __rvm_log "fail" "must specify a ruby interpreter to install."
    ;;

    *) __rvm_log "fail" "Ruby interpreter '$rvm_ruby_interpreter' is not known."

  esac

  if [[ ! -z "$ruby_options" ]] ; then RUBYOPT=$ruby_options ; export RUBYOPT ; fi
}

__rvm_manage_rubies() {
  __rvm_state
  rubies=() ; successes=() ; errors=() ; statuses=()
  unset rvm_gem_set_name
  rvm_ruby_gem_home=$(echo $rvm_ruby_gem_home | awk -F'%' '{print $1}')
  rvm_ruby_string=$(echo $rvm_ruby_string | awk -F'%' '{print $1}')
  # TODO: Extract the common functionality out of the if below
  if [[ ! -z "$rvm_ruby_string" ]] ; then
    unset rvm_ruby_interpreter rvm_ruby_version
    __rvm_${rvm_action}_ruby
  elif [[ ! -z "$rvm_ruby_version" ]] ;then
    for rvm_ruby_string in $(echo $rvm_ruby_version | tr ',' ' ') ; do
      eval "__rvm_${rvm_action}_ruby"
      __rvm_unset_ruby_variables
    done
  elif [[ ! -z "$rvm_ruby_interpreter" ]] ; then
    unset rvm_ruby_string rvm_ruby_version
    eval "__rvm_${rvm_action}_ruby"
  else # all
    if [[ "$rvm_action" != "install" ]] ; then
      while read -r bin_line
      do # Keep this on second line damnit!
        if [[ -x "$bin_line" ]] ; then
          rvm_ruby_string="$(dirname "$bin_line" | xargs dirname | xargs basename)"
          eval "__rvm_${rvm_action}_ruby"
          __rvm_unset_ruby_variables
        fi
      done < <(\ls $rvm_path/*/bin/ruby 2> /dev/null)
    else
      __rvm_log "warn" 'Really? Install all? See "rvm list --all" and limit the selection to something more sane please :)'
    fi
  fi
  __rvm_state

  if [[ ! -z "$rvm_summary_flag" ]] ; then __rvm_summary ; fi
  if [[ ! -z "$rvm_yaml_flag" ]]   ; then __rvm_yaml    ; fi
  if [[ ! -z "$rvm_json_flag" ]]   ; then __rvm_json    ; fi
}

__rvm_uninstall_ruby() {
  if [[ -z "$rvm_ruby_selected_flag" ]] ; then __rvm_select $* ; fi

  if [[ ! -z "$rvm_ruby_package_name" ]] ; then
    for dir in $rvm_path ; do
      if [[ -d $dir/$rvm_ruby_package_name ]] ; then
        __rvm_log "info" "Removing $dir/$rvm_ruby_package_name..."
        rm -rf $dir/$rvm_ruby_package_name
      else
        __rvm_log "info" "$dir/$rvm_ruby_package_name has already been removed."
      fi
      if [[ -e $rvm_bin_path/$rvm_ruby_package_name ]] ; then
        rm -f $rvm_bin_path/$rvm_ruby_package_name
      fi
    done ; unset dir
    rm -rf $rvm_gem_path/$rvm_ruby_interpreter/$rvm_ruby_version*/
  else
    __rvm_log "fail" "Cannot uninstall unknown package '$rvm_ruby_package_name'"
  fi
}

__rvm_remove_ruby() {
  if [[ -z "$rvm_ruby_selected_flag" ]] ; then __rvm_select ; fi

  if [[ ! -z "$rvm_ruby_string" ]] ; then
    for dir in $rvm_src_path $rvm_path ; do
      if [[ -d $dir/$rvm_ruby_string ]] ; then
        __rvm_log "info" "Removing $dir/$rvm_ruby_string..."
        rm -rf $dir/$rvm_ruby_package_name
      else
        __rvm_log "info" "it seems that $dir/$rvm_ruby_string is already non existent."
      fi
      if [[ -e $rvm_bin_path/$rvm_ruby_string ]] ; then
        rm -f $rvm_bin_path/$rvm_ruby_string
      fi
    done ; unset dir
  else
    __rvm_log "fail" "Cannot uninstall unknown package '$rvm_ruby_package_name'"
  fi
}

__rvm_post_install() {
  binaries="${binaries:-"gem irb erb ri rdoc testrb rake"}"
  for binary in $(echo $binaries) ; do
    if [[ -e "$rvm_ruby_home/bin/$binary" ]] || [[ -e "$rvm_ruby_src_path/bin/$binary" ]] ; then
      if [[ "$rvm_ruby_src_path" != "$rvm_ruby_home" ]] && [[ -f "$rvm_ruby_src_path/bin/$binary" ]] ; then
        cp -f "$rvm_ruby_src_path/bin/$binary" "$rvm_ruby_home/bin/$binary"
      elif [[ -f "$rvm_ruby_gem_home/bin/$binary" ]] ; then
        cp -f "$rvm_ruby_gem_home/bin/$binary" "$rvm_ruby_home/bin/$binary"
      fi
      __rvm_inject_gem_env "$rvm_ruby_home/bin/$binary"
      __rvm_inject_ruby_shebang "$rvm_ruby_home/bin/$binary"
      chmod +x "$rvm_ruby_home/bin/$binary"
    fi
  done ; unset binary binaries

  __rvm_log "info" "Installing gems for $rvm_ruby_package_name."

  for rvm_gem_name in rake ; do
    __rvm_run "gems.install" "$rvm_ruby_home/bin/gem install $rvm_gem_name --no-rdoc --no-ri -q" "Installing $rvm_gem_name"
  done ; unset rvm_gem_name

  __rvm_log "info" "Installation of gems for $rvm_ruby_package_name is complete."

  binary=rake
  if [[ -x $rvm_ruby_gem_home/bin/$binary ]] ; then
    if [[ "$rvm_ruby_gem_home" != "$rvm_ruby_home" ]] ; then
      cp $rvm_ruby_gem_home/bin/$binary $rvm_ruby_home/bin/$binary
    fi
    __rvm_inject_ruby_shebang "$rvm_ruby_home/bin/$binary"
    __rvm_inject_gem_env "$rvm_ruby_home/bin/$binary"
  fi ; unset binary
}

__rvm_rubygems_setup() {
  if [[ ! -z "$(echo $rvm_ruby_version | awk '/^1\.9/')" ]] || [[ ! -z "$(echo $rvm_ruby_interpreter | awk '/^mput/')" ]] ; then
    # 1.9 has it's own built-in gem command
    __rvm_inject_ruby_shebang "$rvm_ruby_src_path/bin/gem"
    __rvm_inject_gem_env "$rvm_ruby_home/bin/gem"
    cp $rvm_ruby_src_path/bin/gem $rvm_ruby_home/bin/gem
    __rvm_run "rubygems.update" "$rvm_ruby_home/bin/gem update --system" "Updating rubygems for $rvm_ruby_string"
    __rvm_inject_ruby_shebang "$rvm_ruby_home/bin/gem"
    __rvm_inject_gem_env "$rvm_ruby_home/bin/gem"

  elif [[ ! -z "$(echo $rvm_ruby_interpreter | awk '/^rbx|jruby/')" ]] ; then
    __rvm_log "debug" "Skipping rubygems update for $rvm_ruby_version"
  else
    __rvm_log "info" "Installing rubygems dedicated to $rvm_ruby_package_name..."
    rvm_gem_package_name="rubygems-1.3.5"
    rvm_gem_url="http://rubyforge.org/frs/download.php/60718/$rvm_gem_package_name.tgz"

    # Sanity check...
    if [[ ! -f "$rvm_src_path/$rvm_gem_package_name/setup.rb" ]]; then rm -rf "$rvm_src_path/$rvm_gem_package_name" ; fi
    if [[ ! -d "$rvm_src_path/$rvm_gem_package_name" ]] ; then
      __rvm_log "info" "Retrieving $rvm_gem_package_name"
      __rvm_fetch "$rvm_gem_url"
      mkdir -p "$rvm_src_path/$rvm_gem_package_name"
      __rvm_run "rubygems.extract" "tar zxf $rvm_archives_path/$rvm_gem_package_name.tgz -C $rvm_src_path" "Extracting $rvm_gem_package_name"
    fi
    cd "$rvm_src_path/$rvm_gem_package_name"
    __rvm_run "rubygems.install" "GEM_PATH=$rvm_gem_path GEM_HOME=$rvm_ruby_gem_home $rvm_ruby_home/bin/ruby $rvm_src_path/$rvm_gem_package_name/setup.rb" "Installing rubygems for $rvm_ruby_home/bin/ruby"
    result=$?
    if [[ $result -eq 0 ]] ; then
      __rvm_log "info" "Installation of rubygems $rvm_ruby_package_name completed successfully."
    else
      __rvm_log "warning" "Installation of rubygems $rvm_ruby_package_name did not complete successfully."
    fi
    __rvm_inject_ruby_shebang "$rvm_ruby_home/bin/gem"
  fi
  return $result
}

__rvm_inject_ruby_shebang() {
  __rvm_actual_file $1
  if [[ -f "$actual_file" ]] ; then
    sed -i.orig -e "s=env [j]*ruby=env $rvm_ruby_home/bin/ruby=" $actual_file
    rm -f $actual_file.orig ; chmod +x "$actual_file"
  fi ; unset actual_file
}

__rvm_inject_gem_env() {
  __rvm_actual_file $1
  if [[ -f "$actual_file" ]] ; then
    if [[ ! -z "$(head -n 1 $actual_file | awk '/[j]*ruby/')" ]] ; then
      string="ENV['GEM_HOME']=ENV['GEM_HOME'] || '$rvm_ruby_gem_home'\nENV['GEM_PATH']=ENV['GEM_PATH'] || '$rvm_ruby_gem_home'\nENV['PATH']='$rvm_ruby_home/bin:$rvm_ruby_gem_home/bin:' + ENV['PATH']"
    elif [[ ! -z "$(head -n 1 $actual_file | awk '/bash/')" ]] ; then
      string="GEM_HOME=\${GEM_HOME:-'$rvm_ruby_gem_home'}\nGEM_PATH=\${GEM_PATH:-'$rvm_ruby_gem_home'}\nPATH=$rvm_ruby_home/bin:$rvm_ruby_gem_home/bin:\$PATH"
    fi
    if [[ ! -z "$string" ]] ; then
      awk "NR==2 {print \"$string\"} {print}" "$actual_file" > "$actual_file.new"
      mv $actual_file.new $actual_file ; chmod +x "$actual_file"
      unset string
    fi
  fi ; unset actual_file
}

__rvm_actual_file() {
  if [[ -L $1 ]] ; then         # If the file is a symlink,
    actual_file="$(readlink $1)" # read the link target so we can preserve it.
  else
    actual_file="$1"
  fi
}

__rvm_install_llvm() {
  cd "$rvm_src_path"
  if [[ ! -d "$rvm_src_path/llvm/.svn" ]] ; then
    rm -rf "$rvm_src_path/llvm"
    svn co -r 82747 https://llvm.org/svn/llvm-project/llvm/trunk llvm
    cd "$rvm_src_path/llvm"
    ./configure --enable-bindings=none
    UNIVERSAL=1 UNIVERSAL_ARCH="i386 x86_64" ENABLE_OPTIMIZED=1 make -j2
    sudo env UNIVERSAL=1 UNIVERSAL_ARCH="i386 x86_64" ENABLE_OPTIMIZED=1 make install
  fi
}