#!/usr/bin/env bash

original_ruby_version=$rvm_ruby_version
original_ruby_string=$rvm_ruby_string

source $rvm_scripts_path/initialize
source $rvm_scripts_path/utility
source $rvm_scripts_path/selector

trap "rm -rf ${rvm_tmp_path}/$$* > /dev/null 2>&1 ; exit" 0 1 2 3 15

if [[ ! -z "$rvm_trace_flag" ]] ; then set -x ; export rvm_trace_flag ; fi

# Checks for bison, returns zero iff it is found
__rvm_check_for_bison() {
  if [[ "$rvm_head_flag" -gt 0 ]]; then
    if ! command -v bison >/dev/null ; then
      $rvm_scripts_path/log "fail" "bison is not available in your path. Please ensure it exists before compiling from head."
      return 1
    fi
  fi
}

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

  $rvm_scripts_path/log "info" "Installing Ruby from source to: $rvm_ruby_home"
  __rvm_pushpop "$rvm_src_path"
  if [[ ! -z "$rvm_force_flag" ]] ; then rm -rf "$rvm_ruby_home" "$rvm_ruby_src_path" ; fi

  result=0
  __rvm_fetch_ruby
  result=$? ; if [[ "$result" -gt 0 ]] ; then
    $rvm_scripts_path/log "error" "There has been an error fetching the ruby interpreter. Aborting the installation." ; __rvm_pushpop ; return $result
  fi

  builtin cd $rvm_ruby_src_path
  result=$? ; if [[ "$result" -gt 0 ]] ; then
    $rvm_scripts_path/log "error" "There has been an error, source directory is missing. Did the download or extraction fail? Aborting the installation." ; __rvm_pushpop ; return $result
  fi

  if [[ -d "${rvm_path}/usr" ]] ; then export PATH="${rvm_path}/usr/bin:${PATH}" ; fi

  if [[ -z "$rvm_ruby_configure" ]] && [[ ! -s "$rvm_ruby_src_path/configure" ]] ; then
    if command -v autoconf > /dev/null ; then
      __rvm_run "autoconf" "autoconf" "Running autoconf"
    else
      result=$? ; $rvm_scripts_path/log "fail" "rvm requires autoconf to install the selected ruby interpreter however autoconf was not found in the PATH." ; return $result
    fi
  fi

  #if [[ "1.8.5" = "$rvm_ruby_version" ]] ; then
  #  # How to install ruby 1.8.5... "sneaky sneaky, sir"
  #  src_dir="ruby-1.8.7-p$(__rvm_db "ruby_1.8.7_patch_level")"
  #  if [[ ! -d "$HOME/.rvm/src/$src_dir/ext/openssl/" ]] ; then $rvm_path/bin/rvm fetch 1.8.6-p248 > /dev/null ; fi
  #  cp ~/.rvm/src/$src_dir/ext/openssl/extconf.rb ~/.rvm/src/ruby-1.8.5-p231/ext/openssl/
  #  cp ~/.rvm/src/$src_dir/ext/openssl/openssl_missing.* ~/.rvm/src/ruby-1.8.5-p231/ext/openssl/
  #  cp ~/.rvm/src/$src_dir/ext/openssl/ossl_hmac.c ~/.rvm/src/ruby-1.8.5-p231/ext/openssl/
  #  src_dir="ruby-1.8.6-p$(__rvm_db "ruby_1.8.6_patch_level")"
  #  if [[ ! -d "$HOME/.rvm/src/$src_dir/ext/openssl/" ]] ; then $rvm_path/bin/rvm fetch 1.8.6-p383 > /dev/null ; fi
  #  cp ~/.rvm/src/$src_dir/ext/readline/* ~/.rvm/src/ruby-1.8.5-p231/ext/readline/
  #  unset src_dir
  #fi

  #
  #if [[ -s ./Makefile ]] && [[ -z "$rvm_reconfigure_flag" ]] ; then
  #  (($rvm_debug_flag)) && $rvm_scripts_path/log "debug" "Skipping configure step, Makefile exists so configure must have already been run."
  #el
  if [[ ! -z "$rvm_ruby_configure" ]] ; then
    __rvm_run "configure" "$rvm_ruby_configure"
    result=$? ; if [[ "$result" -gt 0 ]] ; then
      $rvm_scripts_path/log "error" "There has been an error while configuring. Aborting the installation." ; __rvm_pushpop ; return $result
    fi
  elif [[ -s ./configure ]] ; then
    __rvm_run "configure" "./configure --prefix=$rvm_ruby_home $rvm_ruby_configure_flags $configure_parameters" "Configuring $rvm_ruby_string, this may take a while depending on your cpu(s)..."
    result=$? ; if [[ "$result" -gt 0 ]] ; then
      $rvm_scripts_path/log "error" "There has been an error while running configure. Aborting the installation." ; __rvm_pushpop ; return $result
    fi ; unset configure_parameters
  else
    $rvm_scripts_path/log "error" "Skipping configure step, 'configure' does not exist, did autoconf not run successfully?"
  fi

  if [[ ! -z "$rvm_ruby_patch" ]] ; then
    for patch in $(echo $rvm_ruby_patch | tr ',' ' ') ; do
      __rvm_run "patch" "patch -p0 -f < $patch" "Applying patch '$patch'..."
      if [[ $? -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "Patch $patch did not apply cleanly... back to the patching board :(" ; exit 1
      fi
    done
  fi

  rvm_ruby_make=${rvm_ruby_make:-"make"}
  __rvm_run "make" "$rvm_ruby_make $rvm_make_flags" "Compiling $rvm_ruby_string, this may take a while, depending on your cpu(s)..."
  result=$? ; if [[ "$result" -gt 0 ]] ; then
    $rvm_scripts_path/log "error" "There has been an error while running make. Aborting the installation." ; __rvm_pushpop ; return $result
  fi

  if [[ -d .ext/rdoc ]] ; then rm -rf .ext/rdoc ; fi

  rvm_ruby_make_install=${rvm_ruby_make_install:-"make install"}
  __rvm_run "install" "$rvm_ruby_make_install" "Installing $rvm_ruby_string"
  result=$? ; if [[ "$result" -gt 0 ]] ; then
    $rvm_scripts_path/log "error" "There has been an error while running make install. Aborting the installation." ; __rvm_pushpop ; return $result
  fi

  $rvm_scripts_path/log "info" "Installation of $rvm_ruby_string is complete."

  export GEM_HOME="$rvm_ruby_gem_home"
  export GEM_PATH="$rvm_ruby_gem_path"
  export BUNDLE_PATH="$rvm_ruby_gem_home"

  __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 [[ "$rvm_head_flag" = 1 ]] ; then
          if [[ ! -z "$rvm_llvm_flag" ]] ; then
            $rvm_scripts_path/package llvm install
          fi
          macruby_path="/usr/local/bin"
          # TODO: configure & make variables should be set here.
          rvm_ruby_configure=" true "
          rvm_ruby_make="rake"
          rvm_ruby_make_install="sudo rake install"
          __rvm_db "${rvm_ruby_interpreter}_repo_url" "rvm_url"
          rvm_ruby_repo_url=$rvm_url
          __rvm_install_source $*
          result=$? ; if [[ "$result" -gt 0 ]] ; then
            $rvm_scripts_path/log "error" "There has been an error while trying to install from source. Aborting the installation." ; return $result
          fi
        elif [[ "nightly" = "$rvm_ruby_version" ]] ; then
          macruby_path="/Library/Frameworks/MacRuby.framework/Versions/0.6/usr/bin"
          # TODO: Separated nightly from head.
          $rvm_scripts_path/log "info" "Retrieving the latest nightly macruby build..."
          $rvm_scripts_path/fetch "$rvm_url"
          result=$? ; if [[ "$result" -gt 0 ]] ; then
            $rvm_scripts_path/log "error" "There has been an error while trying to fetch the source. Aborting the installation." ; __rvm_pushpop ; return $result
          fi
          mv "$rvm_archives_path/macruby_nightly-latest.pkg" "$rvm_archives_path/macruby_nightly.pkg"
          __rvm_run "macruby/extract" "sudo /usr/sbin/installer -pkg '$rvm_archives_path/macruby_nightly.pkg' -target '/'"
          mkdir -p "$rvm_ruby_home/bin"
        else
          macruby_path="/Library/Frameworks/MacRuby.framework/Versions/${rvm_ruby_version}/usr/bin"
          # TODO: Separated nightly from head.
          $rvm_scripts_path/log "info" "Retrieving MacRuby ${rvm_ruby_version} ..."
          $rvm_scripts_path/fetch "$rvm_url"
          result=$? ; if [[ "$result" -gt 0 ]] ; then
            $rvm_scripts_path/log "error" "There has been an error while trying to fetch the source. Aborting the installation." ; __rvm_pushpop ; return $result
          fi
          mkdir -p $rvm_ruby_src_path
          unzip -o -j "$rvm_archives_path/$rvm_ruby_package_file" "MacRuby ${rvm_ruby_version}/MacRuby ${rvm_ruby_version}.pkg" -d "$rvm_ruby_src_path"
          mv "$rvm_ruby_src_path/MacRuby ${rvm_ruby_version}.pkg" "$rvm_ruby_src_path/$rvm_ruby_string.pkg"
          __rvm_run "macruby/extract" "sudo /usr/sbin/installer -pkg '$rvm_ruby_src_path/$rvm_ruby_string.pkg' -target '/'"
          mkdir -p "$rvm_ruby_home/bin"
        fi

        binaries=(erb gem irb rake rdoc ri ruby testrb)
        for binary_name in ${binaries[@]}; do
          # if [[ $binary_name != "gem" ]] ; then prefix="-S" ; fi
          ruby_wrapper=$(cat <<RubyWrapper
#!/usr/bin/env bash

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

exec $macruby_path/mac$binary_name $prefix "\$@"
RubyWrapper
)

          for file_name in "$rvm_ruby_home/bin/$binary_name" "$rvm_bin_path/$binary_name-$rvm_ruby_string" ; do
            rm -f $file_name
            echo "$ruby_wrapper" > $file_name
            if [[ -f $file_name ]] ; then chmod +x $file_name ; fi
          done
          if [[ "$binary_name" = "ruby" ]] ; then
            echo "$ruby_wrapper" > $rvm_bin_path/$rvm_ruby_string
          fi
          unset file_name ruby_wrapper binary_name files prefix
        done
        __rvm_irbrc
      else
        $rvm_scripts_path/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_scripts_path/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_scripts_path/log "It appears that the archive has already been extracted. Skipping extract (use --force to force re-download and extract)."
        else
          $rvm_scripts_path/log "Downloading $rvm_ruby_package_file, this may take a while depending on your connection..."
          $rvm_scripts_path/fetch "$rvm_url"
          result=$? ; if [[ "$result" -gt 0 ]] ; then
            $rvm_scripts_path/log "error" "There has been an error while trying to fetch the source. Aborting the installation." ; __rvm_pushpop ; return $result
          fi

          rm -rf "$rvm_ruby_src_path"
          __rvm_run "extract" "cat $rvm_archives_path/$rvm_ruby_package_file.$rvm_archive_extension | gunzip | tar xf - -C $rvm_src_path" "Extracting $rvm_ruby_package_file ..."

          result=$? ; if [[ "$result" -gt 0 ]] ; then
            $rvm_scripts_path/log "error" "There has been an error while trying to extract the source. Aborting the installation." ; __rvm_pushpop ; return $result
          fi

          mv "$rvm_src_path/$rvm_ruby_package_file" "$rvm_ruby_src_path"
        fi
        builtin cd "$rvm_ruby_src_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 $rvm_rubies_path/$rvm_ruby_interpreter-$rvm_ruby_version-$rvm_ruby_patch_level $rvm_ree_options --dont-install-useful-gems $rvm_ruby_configure_flags" "Installing $rvm_ruby_string, this may take a while, depending on your cpu(s)..."
          result=$? ; if [[ "$result" -gt 0 ]] ; then
            $rvm_scripts_path/log "error" "There has been an error while trying to run the ree installer. Aborting the installation." ; __rvm_pushpop ; return $result
          fi

        chmod +x $rvm_ruby_home/bin/*

        __rvm_rubygems_setup

        for rvm_gem_name in rdoc rake ; do
          __rvm_run "gems" "$rvm_ruby_home/bin/gem install $rvm_gem_name $rvm_gem_options" "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_script
        __rvm_post_install
        __rvm_pushpop
      else
        __rvm_db "ree_${rvm_ruby_version}_repo_url" "rvm_url"
        if [[ -z "$rvm_url" ]] ; then
          $rvm_scripts_path/log "fail" "rvm does not know the rvm repo url for 'ree_${rvm_ruby_version}'"
          result=1
        else
          rvm_ruby_repo_url=$rvm_url
          if [[ "rvm_make_flags_flag" -eq 1 ]] ; then __rvm_make_flags ; fi
          __rvm_install_source $*
        fi
      fi
    ;;

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

      unset BUNDLE_PATH 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

      if [[ ! -z "$(echo $rvm_ruby_version | awk '/^1\.0/')" ]] && [[ -z "$rvm_head_flag" ]] ; then
        $rvm_scripts_path/log "info" "Downloading $rvm_ruby_package_file, this may take a while depending on your connection..."
        $rvm_scripts_path/fetch "$rvm_url"
        result=$? ; if [[ "$result" -gt 0 ]] ; then
          $rvm_scripts_path/log "error" "There has been an error while trying to fetch the source. Aborting the installation." ; __rvm_pushpop ; return $result
        fi
        __rvm_run "extract" "cat $rvm_archives_path/$(basename $rvm_ruby_package_file) | gunzip | tar xf - -C $rvm_src_path" "Extracting $rvm_ruby_package_file ..."

        result=$? ; if [[ "$result" -gt 0 ]] ; then
          $rvm_scripts_path/log "error" "There has been an error while trying to extract the source. Aborting the installation." ; __rvm_pushpop ; return $result
        fi

        mv $rvm_src_path/rubinius-${rvm_ruby_version} ${rvm_ruby_src_path}
      else
        __rvm_db "rubinius_repo_url" "rvm_ruby_repo_url"
        #rvm_ruby_home="$rvm_rubies_path/$rvm_ruby_interpreter-$rvm_ruby_version"
        if [[ ! -d "$rvm_ruby_src_path" ]] || [[ ! -d "$rvm_ruby_src_path/.git" ]] ; then
          rm -rf "$rvm_ruby_src_path" ; builtin cd "$rvm_home"
          __rvm_run "rbx.repo" "git clone --depth 1 $rvm_ruby_repo_url $rvm_ruby_src_path" "Cloning $rvm_ruby_repo_url"
          builtin cd "$rvm_ruby_src_path"
        else
          builtin cd "$rvm_ruby_src_path"
          __rvm_run "rbx.repo" "git pull origin master" "Pulling from origin master"
        fi
        result=$? ; if [[ "$result" -gt 0 ]] ; then
          $rvm_scripts_path/log "error" "There has been an error while fetching the rbx git repo. Aborting the installation." ; __rvm_pushpop ; return $result
        fi
      fi

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

      builtin cd "$rvm_ruby_src_path" ; chmod +x ./configure
      rvm_ruby_configure_flags="${rvm_ruby_configure_flags:-"--skip-system"}"
      rvm_ruby_configure="ruby configure --prefix=$rvm_ruby_home $rvm_ruby_configure_flags" ; message="Configuring rbx"
      if [[ "$rvm_llvm_flag" = "0" ]] ; then
        rvm_ruby_configure="$rvm_ruby_configure --disable-llvm"
      else
        if [[ "$rvm_ruby_patch_level" = "rc1" ]] ; then
          rvm_ruby_configure="$rvm_ruby_configure --enable-llvm"
        fi
      fi
      __rvm_run "configure" "$rvm_ruby_configure" "$message"
      result=$? ; if [[ "$result" -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "There has been an error while running '$rvm_ruby_configure'. Aborting the installation." ; __rvm_pushpop ; return $result
      fi

      if [[ "$rvm_trace_flag" -eq 1 ]] ; then
        rvm_ruby_make="$rvm_bin_path/ruby-1.8.7-p$(__rvm_db "ruby_1.8.7_patch_level") -S rake install --trace" ; message="Compiling rbx (with --trace)"
      else
        rvm_ruby_make="$rvm_bin_path/ruby-1.8.7-p$(__rvm_db "ruby_1.8.7_patch_level") -S rake install" ; message="Compiling rbx"
      fi
      __rvm_run "rake" "$rvm_ruby_make" "$message"
      result=$? ; if [[ "$result" -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "There has been an error while running '$rvm_ruby_configure'. Aborting the installation." ; __rvm_pushpop ; return $result
      fi

      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

      for binary_name in "gem" ; do
        if [[ $binary_name != "gem" ]] ; then prefix="-S " ; else unset prefix; fi

        ruby_wrapper=$(printf "#!/usr/bin/env bash\nexec $rvm_ruby_home/bin/rbx $prefix$binary_name \"\$@\"")
        for file_name in "$rvm_ruby_home/bin/$binary_name" "$rvm_bin_path/$binary_name-$rvm_ruby_string"  ; do
          rm -f $file_name
          echo "$ruby_wrapper" > $file_name
          if [[ -f $file_name ]] ; then chmod +x $file_name ; fi
        done

        unset file_name binaries ruby_wrapper binary_name files prefix
      done ; unset binary_name

      binaries="erb ri rdoc"
      __rvm_post_install
      __rvm_irbrc
      __rvm_bin_script
    ;;

    jruby)
      if ! command -v java > /dev/null; then
        printf "java must be installed and in your path in order to install JRuby." ; return 1
      fi

      __rvm_pushpop $rvm_src_path
      __rvm_fetch_ruby
      result=$? ; if [[ "$result" -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "There has been an error while trying to fetch the source. Aborting the installation." ; __rvm_pushpop ; return $result
      fi

      builtin cd "$rvm_ruby_src_path"
      if [[ ! -z "$rvm_head_flag" ]] ; then __rvm_run "ant.dist" "ant dist" "Running 'ant dist' (this could take a few minutes) ..." ; fi

      mkdir -p "$rvm_ruby_home/bin/"
      if $rvm_scripts_path/match "$rvm_ruby_version" "1\.3" || $rvm_scripts_path/match "$rvm_ruby_version" "1\.2" ; then
        __rvm_run "nailgun" "builtin cd \"$rvm_ruby_src_path/tool/nailgun\" &&  make $rvm_make_flags" "Building Nailgun"
      else
        __rvm_run "nailgun" "builtin cd \"$rvm_ruby_src_path/tool/nailgun\" && ./configure --prefix=$rvm_ruby_home && make $rvm_make_flags" "Building Nailgun"
      fi

      __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

      # -server is "a lot slower for short-lived scripts like rake tasks, and takes longer to load"
      #sed -e 's#^JAVA_VM=-client#JAVA_VM=-server#' $rvm_ruby_home/bin/jruby > $rvm_ruby_home/bin/jruby.new &&
      #  mv $rvm_ruby_home/bin/jruby.new $rvm_ruby_home/bin/jruby
      chmod +x $rvm_ruby_home/bin/jruby

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

      __rvm_inject_ruby_shebang "$rvm_ruby_home/bin/rake" # #!/Users/nicksieger/Projects/ruby/jruby-15/dist/jruby-bin-1.5.0/bin/jruby -- lol!

      __rvm_rubygems_setup
      __rvm_irbrc
      __rvm_bin_script
      __rvm_use

      __rvm_post_install

      for rvm_gem_name in rake jruby-openssl ; do
        __rvm_run "gems" "$rvm_ruby_home/bin/gem install $rvm_gem_name $rvm_gem_options" "Installing $rvm_gem_name"
      done ; unset rvm_gem_name
    ;;

    maglev)
      export rvm_install_on_use_flag=1 ; $rvm_bin_path/rvm 1.8.7 --install # This should install if missing.

      $rvm_scripts_path/log "info" "Running MagLev prereqs checking script."
      $rvm_scripts_path/maglev
      result=$? ; if [[ "$result" -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "Prerequisite checks have failed. Aborting the installation." ; __rvm_pushpop ; return $result
      fi

      __rvm_pushpop $rvm_src_path

      if [[ ! -d "$rvm_src_path/$rvm_ruby_string" ]] || [[ ! -z "$rvm_force_flag" ]] ; then
        rm -rf "$rvm_src_path/$rvm_ruby_string/" "$rvm_src_path/$rvm_ruby_string/"
        __rvm_fetch_ruby
        result=$? ; if [[ "$result" -gt 0 ]] ; then
          $rvm_scripts_path/log "error" "There has been an error while trying to fetch the source. Aborting the installation." ; __rvm_pushpop ; return $result
        fi
      fi

      if [[ ! -z "$rvm_head_flag" ]] ; then
        builtin cd $rvm_ruby_src_path
        rvm_gemstone_package_file="GemStone-$(grep ^GEMSTONE version.txt | cut -f2 -d-).$(uname -sm | tr ' ' '-')"
        rvm_gemstone_url="${rvm_gemstone_url:-"$maglev_url/${rvm_gemstone_package_file}.${rvm_archive_extension}"}"
      fi

      $rvm_scripts_path/log "info" "Downloading the GemStone package, this may take a while depending on your connection..."
      $rvm_scripts_path/fetch "$rvm_gemstone_url"
      result=$? ; if [[ "$result" -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "There has been an error while trying to fetch the GemStone package. Aborting the installation." ; __rvm_pushpop ; return $result
      fi

      builtin cd "$rvm_src_path"

      if [[ -s "$rvm_ruby_package_file" ]] ; then
        mv "$rvm_ruby_package_file" "$rvm_ruby_src_path"
      fi

      builtin cd "$rvm_ruby_src_path"

      __rvm_run "gemstone.extract" "cat $rvm_archives_path/${rvm_gemstone_package_file}.${rvm_archive_extension} | gunzip | tar xf - -C $rvm_ruby_src_path"
      result=$? ; if [[ "$result" -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "There has been an error while trying to extract the GemStone package. Aborting the installation." ; __rvm_pushpop ; return $result
      fi

      chmod -R 777 "$rvm_gemstone_package_file" # for now.
      ln -nfs "$rvm_gemstone_package_file" "gemstone"

      __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 maglev to $rvm_ruby_home"

      __rvm_pushpop $rvm_ruby_home/bin/
      for binary in maglev-irb maglev-ruby maglev-gem ; do
        ln -nfs $binary ${binary#maglev-}
      done ; unset binary
      __rvm_pushpop

      for binary in maglev-ruby maglev-irb maglev-gem ; do
        __rvm_inject_gem_env $rvm_ruby_home/bin/$binary
      done ; unset binary

      builtin cd "$rvm_ruby_home"
      if [[ ! -z "$rvm_head_flag" ]] ; then
        git submodule update --init
        $rvm_ruby_home/bin/maglev force-reload
        ln -sf maglev.demo.key-$(uname -sm | tr ' ' '-') etc/maglev.demo.key
      fi

      #ln -fs "$rvm_ruby_home/$(echo $rvm_gemstone_package_file | awk -F'.' '{print $1}')" "$rvm_ruby_home/gemstone"

      if [[ ! -e ${rvm_ruby_home}/etc/conf.d/maglev.conf ]] ; then
        $rvm_scripts_path/log "info" "Creating default 'maglev' repository."
        $rvm_bin_path/rvm 1.8.7 rake "stone:create[maglev]" >/dev/null 2>&1
      fi

      $rvm_scripts_path/log "info" "Generating maglev HTML documentation"
      $rvm_bin_path/rvm 1.8.7 rake rdoc >/dev/null 2>&1

      $rvm_scripts_path/log "info" "Generating smalltalk FFI."
      $rvm_bin_path/rvm 1.8.7 rake stwrappers >/dev/null 2>&1

      # TODO: Figure out if anything needs to be done with rubygems.
      #__rvm_rubygems_setup
      __rvm_irbrc
      __rvm_bin_script
      __rvm_use
    ;;

    ironruby|ir)
      if ! command -v mono > /dev/null ; then
        printf "mono must be installed and in your path in order to install IronRuby." ; return 1
      fi

      if [[ "$rvm_head_flag" = 1 ]] ; then
          mono_version="$(mono -V | head -n 1 | cut -d ' ' -f5)"
          if $rvm_scripts_path/match "$mono_version" "([0-9]+)\.([0-9]+)\.?([0-9]+)?" ; then
            mono_major_ver="$(echo $mono_version | cut -d '.' -f1)"
            mono_minor_ver="$(echo $mono_version | cut -d '.' -f2)"
            if [[ $mono_major_ver -lt 2 ]] || ( [[ $mono_major_ver -eq 2 ]] && [[ $mono_minor_ver -lt 6 ]] ) ; then
              printf "Mono 2.6 (or greater) must be installed and in your path in order to build IronRuby from the repository."
              printf "Version detected: ${mono_version}"
              return 1
            fi
          else
            printf "Cannot recognize mono version."
            return 1
          fi

          __rvm_fetch_ruby
          if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi
          builtin cd $rvm_ruby_src_path

          $rvm_bin_path/rvm 1.8.7 -S gem install pathname2 --no-rdoc --no-ri

          # MONO_LIB=/Library/Frameworks/Mono.framework/Versions/current/lib/
          rvm_ruby_make="$rvm_bin_path/rvm 1.8.7 -S rake MERLIN_ROOT=\"$rvm_ruby_src_path/Merlin/Main\" compile mono=1 configuration=release --trace"
          __rvm_run "rake" "$rvm_ruby_make" "Building IronRuby..."
          if [[ $? -gt 0 ]] ; then result=$? ; return $result ; fi

          rm -rf $rvm_ruby_home/*
          mkdir -p $rvm_ruby_home/bin $rvm_ruby_home/lib $rvm_ruby_home/lib/ruby $rvm_ruby_home/lib/IronRuby

          cp -r $rvm_ruby_src_path/Merlin/Main/Bin/mono_release/* $rvm_ruby_home/bin/
          cp -r $rvm_ruby_src_path/Merlin/Main/Languages/Ruby/Scripts/bin/* $rvm_ruby_home/bin/
          cp -r $rvm_ruby_src_path/Merlin/External.LCA_RESTRICTED/Languages/Ruby/redist-libs/ruby/* $rvm_ruby_home/lib/ruby
          cp -r $rvm_ruby_src_path/Merlin/Main/Languages/Ruby/Libs/* $rvm_ruby_home/lib/IronRuby
      else
        $rvm_scripts_path/log "info" "Retrieving IronRuby"

        $rvm_scripts_path/fetch "$rvm_url" "$rvm_ruby_package_file"
        result=$? ; if [[ "$result" -gt 0 ]] ; then
          $rvm_scripts_path/log "error" "There has been an error while trying to fetch the source. Aborting the installation." ; __rvm_pushpop ; return $result
        fi

        mkdir -p $rvm_ruby_src_path $rvm_ruby_home
        unzip -o  -d ${rvm_ruby_src_path} ${rvm_archives_path}/${rvm_ruby_package_file} >> "$rvm_ruby_log_path/extract.log" 2>> "$rvm_ruby_log_path/extract.error.log"
        result=$? ; if [[ "$result" -gt 1 ]] ; then
          $rvm_scripts_path/log "error" "There has been an error while trying to extract $rvm_ruby_package_file. Aborting the installation." ; __rvm_pushpop ; return $result
        fi

        for dir in bin lib silverlight ; do
          cp -Rf $rvm_src_path/$rvm_ruby_string/$dir "$rvm_ruby_home/$dir"
        done
      fi

      binaries=(gem irb rdoc rake ri ruby)
      for binary_name in ${binaries[@]} ; do
        if [[ -s $rvm_ruby_home/bin/$binary_name ]] ; then
          cat "$rvm_ruby_home/bin/$binary_name" | tr -d '\r' > "$rvm_ruby_home/bin/$binary_name.new"
          #sed -e '1,1s=.*=#!'"/usr/bin/env ir=" "$rvm_ruby_home/bin/$binary_name" > "$rvm_ruby_home/bin/$binary_name.new"
          mv -f "$rvm_ruby_home/bin/$binary_name.new" "$rvm_ruby_home/bin/$binary_name"
          chmod +x $rvm_ruby_home/bin/$binary_name
        fi
      done

      sed -e '1,1s=.*=#!'"/usr/bin/env bash=" "$rvm_ruby_home/bin/ir" | tr -d '\r' > "$rvm_ruby_home/bin/ir.new"
      mv -f "$rvm_ruby_home/bin/ir.new" "$rvm_ruby_home/bin/ir"
      chmod +x $rvm_ruby_home/bin/ir
      ln -fs $rvm_ruby_home/bin/ir $rvm_ruby_home/bin/ruby

      __rvm_run "gems.install" "PATH=$rvm_ruby_gem_home/bin:$rvm_ruby_global_gems_path/bin:$rvm_ruby_home/bin:$PATH GEM_HOME=$rvm_ruby_gem_home GEM_PATH=$rvm_ruby_gem_home $rvm_ruby_home/bin/gem install --no-rdoc --no-ri rake $rvm_gem_options" "Installing $rvm_gem_name to $dir"

      binaries=() # Don't wrap any longer.
      for binary_name in ${binaries[@]} ; do
        binary_path=""
        if [[ "ruby" != "$binary_name" ]] ; then
          binary_path="$rvm_ruby_home/bin/i$binary_name"
        fi
        ruby_wrapper=$(cat <<RubyWrapper
#!/bin/bash

export GEM_HOME="$rvm_ruby_gem_home"
export GEM_PATH="$rvm_ruby_gem_path"
export BUNDLE_PATH="$rvm_ruby_gem_home"
export MY_RUBY_HOME="$rvm_ruby_home"
export PATH="$rvm_ruby_gem_home/bin:$rvm_ruby_global_gems_path/bin:$rvm_ruby_home/bin:\$PATH"

exec mono $rvm_ruby_home/bin/ir.exe $binary_path "\$@"
RubyWrapper
)
        files="$rvm_ruby_home/bin/$binary_name $rvm_bin_path/$binary_name-$rvm_ruby_string"
        for file_name in $(echo $files)  ; do
          rm -f $file_name
          echo "$ruby_wrapper" > $file_name
          if [[ -f $file_name ]] ; then chmod +x $file_name ; fi
        done
        if [[ "$binary_name" = "ruby" ]] ; then
          echo "$ruby_wrapper" > $rvm_bin_path/$rvm_ruby_string
        fi
        unset file_name ruby_wrapper binary_name binary_path files prefix
      done
    ;;

    mput|shyouhei)
      if [[ "rvm_make_flags_flag" -eq 1 ]] ; then __rvm_make_flags ; fi
      unset BUNDLE_PATH 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_home="$rvm_rubies_path/$rvm_ruby_interpreter-$rvm_ruby_version"

      builtin cd $rvm_src_path

      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"
        builtin cd $rvm_ruby_src_path
      else
        builtin cd $rvm_ruby_src_path
        __rvm_run "mput.repo" "git pull origin trunk" "Pulling from origin trunk"
      fi

      if [[ ! -s "$rvm_ruby_src_path/configure" ]] ; then
        if command -v autoconf &> /dev/null ; then
          __rvm_run "autoconf" "autoconf" "Running autoconf"
        else
          $rvm_scripts_path/log "fail" "rvm expects autoconf to install this ruby interpreter, autoconf was not found in PATH. Aborting installation." ; result=$? ; return $result
        fi
      fi

      if [[ -s ./Makefile ]] && [[ -z "$rvm_reconfigure_flag" ]] ; then
          (($rvm_debug_flag)) && $rvm_scripts_path/log "debug" "Skipping configure step, Makefile exists so configure must have already been run."
      elif [[ ! -z "$rvm_ruby_configure" ]] ; then
        __rvm_run "configure" "$rvm_ruby_configure"
          result=$? ; if [[ "$result" -gt 0 ]] ; then
            $rvm_scripts_path/log "error" "There has been an error while trying to configure the source. Aborting the installation." ; __rvm_pushpop ; return $result
          fi

      elif [[ -s ./configure ]] ; then
          __rvm_run "configure" "./configure --prefix=$rvm_ruby_home $rvm_ruby_configure_flags" "Configuring $rvm_ruby_string using $rvm_ruby_configure_flags, this may take a while depending on your cpu(s)..."
          result=$? ; if [[ "$result" -gt 0 ]] ; then
            $rvm_scripts_path/log "error" "There has been an error while trying to configure the source. Aborting the installation." ; __rvm_pushpop ; return $result
          fi
      else
          $rvm_scripts_path/log "error" "Skipping configure step, 'configure' script does not exist, did autoconf not run successfully?"
      fi

      rvm_ruby_make=${rvm_ruby_make:-"make"}
      __rvm_run "make" "$rvm_ruby_make $rvm_make_flags" "Compiling $rvm_ruby_string, this may take a while, depending on your cpu(s)..."
      result=$? ; if [[ "$result" -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "There has been an error while trying to run make. Aborting the installation." ; __rvm_pushpop ; return $result
      fi

      rvm_ruby_make_install=${rvm_ruby_make_install:-"make install"}
      __rvm_run "install" "$rvm_ruby_make_install" "Installing $rvm_ruby_string"
      result=$? ; if [[ "$result" -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "There has been an error while trying to run make install. Aborting the installation." ; __rvm_pushpop ; return $result
      fi

      $rvm_scripts_path/log "info" "Installation of $rvm_ruby_string is complete."

      export GEM_HOME="$rvm_ruby_gem_home"
      export GEM_PATH="$rvm_ruby_gem_path"
      export BUNDLE_PATH="$rvm_ruby_gem_home"

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

    ruby)
      __rvm_check_for_bison
      result=$? ; if [[ "$result" -gt 0 ]] ; then return $result ; fi

      if [[ "rvm_make_flags_flag" -eq 1 ]] ; then __rvm_make_flags ; fi
      __rvm_install_source $*
    ;;

    default)
      $rvm_scripts_path/log "fail" "must specify a ruby interpreter to install."
    ;;

    *) $rvm_scripts_path/log "fail" "Ruby interpreter '$rvm_ruby_interpreter' is not known."

  esac

  rvm_hook="after_install" ; source $rvm_scripts_path/hook

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

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

  if [[ -z "$rvm_head_flag" ]] && [[ -z "$rvm_ruby_tag" ]] && [[ -z "$rvm_ruby_revision" ]] ; then
    rvm_ruby_package_name="${rvm_ruby_package_name:-"$rvm_ruby_string"}"
    rvm_ruby_package_file="${rvm_ruby_package_file:-"$rvm_ruby_package_name"}"
    rvm_archive_extension="${rvm_archive_extension:-tar.gz}"
    if [[ ! -s "$rvm_archives_path/$rvm_ruby_package_file.$rvm_archive_extension" ]] ; then
      if [[ "ruby" = "$rvm_ruby_interpreter" ]] ; then
        rvm_url="$(__rvm_db "${rvm_ruby_interpreter}_${rvm_release_version}.${rvm_major_version}_url")/$rvm_ruby_package_file.$rvm_archive_extension"
      elif [[ "ree" = "$rvm_ruby_interpreter" ]] ; then
        rvm_url="$(__rvm_db "${rvm_ruby_interpreter}_${rvm_ruby_version}_url")/$rvm_ruby_package_file.$rvm_archive_extension"
      elif [[ "jruby" = "$rvm_ruby_interpreter" ]] ; then
        rvm_url="$(__rvm_db "${rvm_ruby_interpreter}_url")/$rvm_ruby_version/$rvm_ruby_package_file.$rvm_archive_extension"
      elif [[ "maglev" = "$rvm_ruby_interpreter" ]] ; then
        : # Should already be set from selector
      else
        rvm_url="$(__rvm_db "${rvm_ruby_interpreter}_url")/$rvm_ruby_package_file.$rvm_archive_extension"
      fi
      $rvm_scripts_path/log "info" "Downloading $rvm_ruby_package_file, this may take a while depending on your connection..."
      $rvm_scripts_path/fetch "$rvm_url"
      result=$? ; if [[ "$result" -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "There has been an error while trying to fetch the source. Aborting the installation." ; __rvm_pushpop ; return $result
      fi
    fi

    # Only re-extract if forced.
    if [[ ! -d "$rvm_src_path/$rvm_ruby_string" ]] || [[ ! -z "$rvm_force_flag" ]] ; then
      if [[ "tar.gz" = "$rvm_archive_extension" ]] || [[ "tgz" = "$rvm_archive_extension" ]] ; then
        __rvm_run "extract" "cat $rvm_archives_path/$rvm_ruby_package_file.$rvm_archive_extension | gunzip | tar xf - -C $rvm_src_path" "Extracting $rvm_ruby_package_file ..."
        result=$? ; if [[ "$result" -gt 0 ]] ; then
          $rvm_scripts_path/log "error" "There has been an error while trying to extract the source. Aborting the installation." ; __rvm_pushpop ; return $result
        fi
      elif [[ "zip" = "$rvm_archive_extension" ]] ; then
        __rvm_run "extract" "unzip -q -o $rvm_archives_path/$rvm_ruby_package_file -d $rvm_src_path"
        result=$? ; if [[ "$result" -gt 0 ]] ; then
          $rvm_scripts_path/log "error" "There has been an error while trying to extract $rvm_ruby_package_file. Aborting the installation." ; __rvm_pushpop ; return $result
        fi
      fi
    else
      $rvm_scripts_path/log "info" "$rvm_ruby_src_path has already been extracted." ; __rvm_pushpop ; return 0
    fi
  else
    if [[ ! -z "$(echo $rvm_url | awk '/^git/')" ]] ; then
      if [[ -d "$rvm_ruby_src_path/.git" ]] ; then
        builtin cd $rvm_ruby_src_path
        if [[ -z "$rvm_ruby_revision" ]] ; then
          $rvm_scripts_path/log "info" "Pulling from $rvm_ruby_repo_url, this may take a while depending on your connection..."
          git pull origin master
          result=$? ; if [[ "$result" -gt 0 ]] ; then
            $rvm_scripts_path/log "error" "There has been an error while trying to update the source from the remote repository. Aborting the installation." ; __rvm_pushpop ; return $result
          fi
        else
          if [[ -z "$rvm_ruby_sha" ]] ; then
            git checkout HEAD
          else
            git checkout $(echo $rvm_ruby_sha | sed 's#^s##')
          fi
          result=$? ; if [[ "$result" -gt 0 ]] ; then
            $rvm_scripts_path/log "error" "There has been an error while trying to checkout the source branch. Aborting the installation." ; __rvm_pushpop ; return $result
          fi
        fi
      else
        $rvm_scripts_path/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 $rvm_ruby_src_path
        result=$? ; if [[ "$result" -gt 0 ]] ; then
          $rvm_scripts_path/log "error" "There has been an error while trying to fetch the repository. Aborting the installation." ; __rvm_pushpop ; return $result
        fi
      fi
    else
      if [[ ! -z "$rvm_ruby_tag" ]] ; then
        # TODO: Check if tag v is valid
        rvm_url="${rvm_url:-"$rvm_ruby_repo_url/tags/$(echo $rvm_ruby_tag | sed 's/^t//')"}"
      elif [[ -z "$rvm_ruby_version" ]] && [[ ! -z "$rvm_head_flag" ]] ; then
        rvm_url="${rvm_url:-"$rvm_ruby_repo_url/trunk"}"
      elif [[  "$rvm_major_version" = "9" ]] ; then
        if [[ -z "$rvm_minor_version" ]] || [[ "$rvm_minor_version" = 3 ]] ; then
          rvm_url="${rvm_url:-"$rvm_ruby_repo_url/trunk"}"
        else
          rvm_url="${rvm_url:-"$rvm_ruby_repo_url/branches/ruby_${rvm_release_version}_${rvm_major_version}_${rvm_minor_version}"}"
        fi
      elif [[ -z "$rvm_minor_version" ]] || [[ "$rvm_major_version.$rvm_minor_version" = "8.8" ]] ; then
        rvm_url="${rvm_url:-"$rvm_ruby_repo_url/branches/ruby_${rvm_release_version}_${rvm_major_version}"}"
      else
        rvm_url="${rvm_url:-"$rvm_ruby_repo_url/branches/ruby_${rvm_release_version}_${rvm_major_version}_${rvm_minor_version}"}"
      fi

      rvm_rev=""
      if [ ! -z "$rvm_ruby_revision" ] ; then
        rvm_rev="-$rvm_ruby_revision"
      fi

      if [[ -d "$rvm_ruby_src_path/.svn" ]] ; then
        builtin cd $rvm_ruby_src_path
        $rvm_scripts_path/log "info" "Updating ruby from $rvm_url"
        __rvm_run "svn.switch" "svn switch $rvm_url"
        __rvm_run "svn.update" "svn update"
        if [[ ! -z "$rvm_rev" ]] ; then
          $rvm_scripts_path/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" "Downloading source from ${rvm_url}."
      fi
      result=$? ; if [[ "$result" -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "There has been an error while trying to fetch / update the source. Aborting the installation." ; __rvm_pushpop ; return $result
      fi

    fi
  fi
}

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

  if [[ ! -z "$rvm_ruby_string" ]] ; then
    for dir in $rvm_rubies_path ; do
      if [[ -d $dir/$rvm_ruby_string ]] ; then
        $rvm_scripts_path/log "info" "Removing $dir/$rvm_ruby_string..."
        rm -rf $dir/$rvm_ruby_string
      else
        $rvm_scripts_path/log "info" "$dir/$rvm_ruby_string has already been removed."
      fi
      if [[ -e $rvm_bin_path/$rvm_ruby_string ]] ; then
        rm -f $rvm_bin_path/$rvm_ruby_string
      fi
    done ; unset dir
    __rvm_remove_gemsets
  else
    $rvm_scripts_path/log "fail" "Cannot uninstall unknown package '$rvm_ruby_string'"
  fi ; unset rvm_uninstall_flag
}

__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_rubies_path ; do
      if [[ -d $dir/$rvm_ruby_string ]] ; then
        $rvm_scripts_path/log "info" "Removing $dir/$rvm_ruby_string..."
        rm -rf $dir/$rvm_ruby_string
      else
        $rvm_scripts_path/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

      if grep -q "$rvm_ruby_string" "$rvm_config_path/default" 2>/dev/null ; then
        rm -f "$rvm_config_path/default"
      fi
    done ; unset dir
    __rvm_remove_gemsets
  else
    $rvm_scripts_path/log "fail" "Cannot uninstall unknown package '$rvm_ruby_string'"
  fi ; unset rvm_remove_flag
}

__rvm_remove_gemsets() {
  if [[ ! -z "$rvm_gems_flag" ]] ; then
    if [[ -d "$rvm_gems_path/${rvm_ruby_string}${rvm_gemset_separator}${rvm_gemset_name}" ]] ; then
      rm -rf $rvm_gems_path/${rvm_ruby_string}*
    fi
  fi
}

__rvm_post_install() {
  if [[ "$rvm_ruby_interpreter" != "jruby" ]] ; then
    binaries="${binaries:-"gem irb erb ri rdoc testrb rake"}"
    $rvm_scripts_path/log "info" "adjusting shebangs for $rvm_ruby_string ($binaries)."
    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
  fi

  # TODO: Merge this vvv into the default gemset loading.
  post_install_gems="rdoc rake"
  $rvm_scripts_path/log "info" "Installing gems for $rvm_ruby_string ($post_install_gems)."
  for rvm_gem_name in $(echo $post_install_gems); do
    home="$GEM_HOME" ; path="$GEM_PATH" # Save
    for dir in $rvm_ruby_global_gems_path $rvm_ruby_gem_home ; do
      GEM_HOME="$dir" ; GEM_PATH="$dir" ; BUNDLE_PATH="$dir"
      export GEM_HOME GEM_PATH BUNDLE_PATH
      __rvm_run "gems.install" "$rvm_ruby_home/bin/gem install --no-rdoc --no-ri $rvm_gem_name $rvm_gem_options" "Installing $rvm_gem_name to $dir"

      if [[ -x $rvm_ruby_gem_home/bin/$rvm_gem_name ]] ; then
        if [[ "$rvm_ruby_gem_home" != "$rvm_ruby_home" ]] && [[ ! -x $rvm_ruby_home/bin/$rvm_gem_name ]] ; then
          ln -nfs $rvm_ruby_gem_home/bin/$rvm_gem_name $rvm_ruby_home/bin/$rvm_gem_name
        fi
        __rvm_inject_ruby_shebang "$rvm_ruby_home/bin/$rvm_gem_name"
        __rvm_inject_gem_env "$rvm_ruby_home/bin/$rvm_gem_name"
      fi
    done ; unset home path dir
    GEM_HOME="$home" ; GEM_PATH="$path" ; BUNDLE_PATH="$home"
    export GEM_HOME GEM_PATH BUNDLE_PATH
  done ; unset rvm_gem_name post_install_gems
  $rvm_scripts_path/log "info" "Installation of gems for $rvm_ruby_string is complete."

  __rvm_irbrc
  __rvm_load_gemsets

  __rvm_generate_default_docs
}

__rvm_generate_default_docs() {
  if [[ "$rvm_docs_flag" = "1" && "$rvm_ruby_interpreter" != "macruby" ]]; then
    $rvm_scripts_path/log "info" "Attempting to generate ri docs..."
    (source $rvm_scripts_path/rvm; rvm use "$rvm_ruby_string"; rvm docs generate-ri) > ~/rvm-install-docs 2>&1
  fi
}

__rvm_load_gemsets() {
  # Gemset for every interpreter's global gems
  if [[ -s "$rvm_gemsets_path/global.gems" ]] ; then
    dir=$rvm_ruby_global_gems_path
    GEM_HOME="$dir" ; GEM_PATH="$dir" ; BUNDLE_PATH="$dir" ; export GEM_HOME GEM_PATH BUNDLE_PATH

    $rvm_scripts_path/gemsets "import" "$rvm_gemsets_path/global.gems"

    GEM_HOME="$home" ; GEM_PATH="$path" ; BUNDLE_PATH="$home" ; export GEM_HOME GEM_PATH BUNDLE_PATH
  fi ; unset home path dir

  # gemset for any installed ruby.
  if [[ -s "$rvm_gemsets_path/default.gems" ]] ; then
    $rvm_scripts_path/gemsets "import" "$rvm_gemsets_path/default.gems"
  fi

  # gemset for any installation of a given interpreter.
  if [[ -s "$rvm_gemsets_path/$rvm_ruby_interpreter.gems" ]] ; then
    $rvm_scripts_path/gemsets "import" "$rvm_gemsets_path/$rvm_ruby_interpreter.gems"
  fi

  # gemset for a specific match of the ruby string.
  if [[ -s "$rvm_gemsets_path/$rvm_ruby_string.gems" ]] ; then
    $rvm_scripts_path/gemsets "import" "$rvm_gemsets_path/$rvm_ruby_string.gems"
  fi
}

__rvm_rubygems_setup() {
  if [[ ! -z "$(echo $rvm_ruby_version | awk '/^1\.9/')" ]] || [[ ! -z "$(echo $rvm_ruby_interpreter | awk '/^mput/')" ]] ; then
    install=0
  elif [[ "$rvm_ruby_string" = "ruby-head" ]] ; then
    install=0
  else
    install=1
  fi

  __rvm_use

  if [[ "$install" -eq 0 ]] ; then
    # 1.9.X has it's own built-in gem command
    __rvm_inject_ruby_shebang "$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

    home="$GEM_HOME" ; path="$GEM_PATH" # Save
    for dir in $rvm_ruby_global_gems_path $rvm_ruby_gem_home ; do
      export GEM_HOME="$dir" ; export GEM_PATH="$dir" ; export BUNDLE_PATH="$dir"
      __rvm_run "rubygems.update" "$rvm_ruby_home/bin/gem update --system" "Updating rubygems for $dir"
    done ; unset home path dir
    GEM_HOME="$home" ; GEM_PATH="$path" ; BUNDLE_PATH="$home"
    export GEM_HOME GEM_PATH BUNDLE_PATH

    __rvm_inject_ruby_shebang "$rvm_ruby_home/bin/gem"
    __rvm_inject_gem_env "$rvm_ruby_home/bin/gem"
    ruby_lib_gem_path="$rvm_ruby_home/lib/ruby/gems/${rvm_release_version}.$rvm_major_version"
  elif [[ ! -z "$(echo $rvm_ruby_interpreter | awk '/^rbx|jruby/')" ]] ; then
    # Hands off rubygems for rbx & jruby
    if [[ ! -z "$rvm_debug_flag" ]] ; then $rvm_scripts_path/log "debug" "Skipping rubygems update for $rvm_ruby_version" ; fi
    ruby_lib_gem_path="$rvm_ruby_home/lib/ruby/gems/jruby"
  else
    $rvm_scripts_path/log "info" "Installing rubygems dedicated to $rvm_ruby_string..."
    rvm_rubygems_version=$(__rvm_db "rubygems_version")
    rvm_rubygems_url=$(__rvm_db "rubygems_${rvm_rubygems_version}_url")
    rvm_gem_package_name="rubygems-$rvm_rubygems_version"
    rvm_gem_url="$rvm_rubygems_url/$rvm_gem_package_name.tgz"

    # Sanity check... If setup.rb is missing from the rubygems source path,
    # something went wrong. Cleanup, aisle 3!
    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_scripts_path/log "info" "Retrieving $rvm_gem_package_name"
      $rvm_scripts_path/fetch "$rvm_gem_url"
      result=$? ; if [[ "$result" -gt 0 ]] ; then
        $rvm_scripts_path/log "error" "There has been an error while trying to fetch the source. Aborting the installation." ; __rvm_pushpop ; return $result
      fi
      mkdir -p "$rvm_src_path/$rvm_gem_package_name"
      __rvm_run "rubygems.extract" "cat $rvm_archives_path/$rvm_gem_package_name.tgz | gunzip | tar xf - -C $rvm_src_path" "Extracting $rvm_gem_package_name ..."
    fi

    builtin cd "$rvm_src_path/$rvm_gem_package_name"

    __rvm_run "rubygems.install" "GEM_PATH=$rvm_ruby_gem_path GEM_HOME=$rvm_ruby_gem_home BUNDLE_PATH=$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_scripts_path/log "info" "Installation of rubygems $rvm_ruby_package_name completed successfully."
    else
      $rvm_scripts_path/log "warning" "Installation of rubygems $rvm_ruby_package_name did not complete successfully."
    fi

    __rvm_inject_ruby_shebang "$rvm_ruby_home/bin/gem"

    if [[ ! -z "$rvm_major_version" ]] ; then
      ruby_lib_gem_path="$rvm_ruby_home/lib/ruby/gems/${rvm_release_version}.$rvm_major_version"
    else
      ruby_lib_gem_path="$rvm_ruby_home/lib/ruby/gems/$interpreter"
    fi
  fi

  # Add ruby's gem path to ruby's lib direcotry.
  mkdir -p $(dirname $ruby_lib_gem_path)

  if [[ -d "$ruby_lib_gem_path" ]] ; then rm -rf "$ruby_lib_gem_path" ; fi

  ln -nfs "$rvm_ruby_gem_home" "$ruby_lib_gem_path"

  unset ruby_lib_gem_path

  if [[ -s "$rvm_ruby_src_path/bin/rdoc" ]] ; then
    __rvm_inject_ruby_shebang "$rvm_ruby_src_path/bin/rdoc"
  fi

  if [[ -s "$rvm_ruby_src_path/bin/rake" ]] ; then
    __rvm_inject_ruby_shebang "$rvm_ruby_src_path/bin/rake"
  fi

  return $result
}

__rvm_inject_ruby_shebang() {
  __rvm_actual_file $1

  if [[ -f "$actual_file" ]] ; then
    sed -e '1,1s=.*=#!'"/usr/bin/env ruby=" ${actual_file} > "${actual_file}.new"
    mv "${actual_file}.new" "${actual_file}" ; 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'] || '$rvm_ruby_gem_path'\nENV['PATH']='$rvm_ruby_gem_home/bin:$rvm_ruby_global_gems_path/bin:$rvm_ruby_home/bin:' + ENV['PATH']\nENV['BUNDLE_PATH']=ENV['BUNDLE_PATH'] || '$rvm_ruby_gem_home'\n"
    elif [[ ! -z "$(head -n 1 $actual_file | awk '/bash/')" ]] ; then
      string="GEM_HOME=\${GEM_HOME:-'$rvm_ruby_gem_home'}\nGEM_PATH=\${GEM_PATH:-'$rvm_ruby_gem_path'}\nPATH=$rvm_ruby_gem_home/bin:$rvm_ruby_global_gems_path/bin:$rvm_ruby_home/bin:\$PATH\nBUNDLE_PATH=\${BUNDLE_PATH:-'$rvm_ruby_gem_home'}\n"
    fi
    if [[ ! -z "$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_manage_rubies() {
  rubies=() ; successes=() ; errors=() ; statuses=()

  unset rvm_gemset_name rvm_ruby_selected_flag

  rvm_ruby_gem_home=$(echo $rvm_ruby_gem_home | awk -F${rvm_gemset_separator} '{print $1}')
  rvm_ruby_string=$(echo $rvm_ruby_string | awk -F${rvm_gemset_separator} '{print $1}')

  if [[ ! -z "$rubies_string" ]] ;then
    for rvm_ruby_string in $(echo $rubies_string | tr ',' ' ') ; do
      eval "__rvm_${rvm_action}_ruby"
      __rvm_unset_ruby_variables
    done
  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_rubies_path/*/bin/ruby 2> /dev/null)
    else
      $rvm_scripts_path/log "warn" 'Really? Install all? See "rvm list known" and limit the selection to something more sane please :)'
    fi
  fi

  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_action="$1" ; rubies_string="$2"
__rvm_manage_rubies
exit $?