diff --git a/scripts/bootstrap/buildenv.sh b/scripts/bootstrap/buildenv.sh
new file mode 100755
index 0000000..20192ed
--- /dev/null
+++ b/scripts/bootstrap/buildenv.sh
@@ -0,0 +1,103 @@
+# Copyright 2015 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# General purpose method and values for bootstrapping bazel.
+
+set -o errexit
+
+DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+WORKSPACE_DIR="$(dirname $(dirname ${DIR}))"
+
+JAVA_VERSION=${JAVA_VERSION:-1.8}
+BAZELRC=${BAZELRC:-"/dev/null"}
+PLATFORM="$(uname -s | tr 'A-Z' 'a-z')"
+
+ATEXIT_=""
+function atexit() {
+  ATEXIT_="$1; ${ATEXIT_}"
+  trap "{ ${ATEXIT_} }" EXIT
+}
+
+function tempdir() {
+  local tmp=${TMPDIR:-/tmp}
+  local DIR="$(mktemp -d ${tmp%%/}/bazel.XXXXXXXX)"
+  mkdir -p "${DIR}"
+  atexit "rm -fr ${DIR}"
+  NEW_TMPDIR="${DIR}"
+}
+tempdir
+OUTPUT_DIR=${NEW_TMPDIR}
+errfile=${OUTPUT_DIR}/errors
+atexit "if [ -f ${errfile} ]; then cat ${errfile} >&2; fi"
+phasefile=${OUTPUT_DIR}/phase
+atexit "if [ -f ${phasefile} ]; then echo >&2; cat ${phasefile} >&2; fi"
+
+function run_silent() {
+  echo "${@}" >${errfile}
+  "${@}" 2>&1 >>${errfile}
+  rm ${errfile}
+}
+
+function fail() {
+  echo >&2
+  echo "$1" >&2
+  exit 1
+}
+
+function display() {
+  if [[ -z "${QUIETMODE}" ]]; then
+    echo -e "$@" >&2
+  fi
+}
+
+function log() {
+  echo -n "." >&2
+  echo "$1" >${phasefile}
+}
+
+function clear_log() {
+  echo >&2
+  rm -f ${phasefile}
+}
+
+LEAVES="\xF0\x9F\x8D\x83"
+INFO="\033[32mINFO\033[0m:"
+
+first_step=1
+function new_step() {
+  rm -f ${phasefile}
+  local new_line=
+  if [ -n "${first_step}" ]; then
+    first_step=
+  else
+    new_line="\n"
+  fi
+  display -n "$new_line$LEAVES  $1"
+}
+
+function git_sha1() {
+  if [ -x "$(which git || true)" ] && [ -d .git ]; then
+    git rev-parse --short HEAD 2>/dev/null || true
+  fi
+}
+
+if [[ ${PLATFORM} == "darwin" ]]; then
+  function md5_file() {
+    echo $(cat $1 | md5) $1
+  }
+else
+  function md5_file() {
+    md5sum $1
+  }
+fi