| #!/usr/bin/env bash |
| # |
| # 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. |
| # |
| # Wrapper script for self-bootstrapping pex. |
| set -e |
| |
| if which python2.7 >/dev/null; then |
| PY=`which python2.7` |
| elif which python2.6 >/dev/null; then |
| PY=`which python2.6` |
| else |
| echo 'No python interpreter found on the path. Python will not work!' 1>&2 |
| exit 1 |
| fi |
| |
| HERE=$(cd `dirname "${BASH_SOURCE[0]}"` && pwd) |
| PEX_REQ=$(grep pex $HERE/../3rdparty/python/requirements.txt) |
| |
| if ! [ -f "$HERE/pex.venv/BOOTSTRAPPED" ] || \ |
| [ $(< "$HERE/pex.venv/BOOTSTRAPPED") != "$PEX_REQ" ]; then |
| |
| echo Bootstrapping $PEX_REQ |
| rm -fr "$HERE/pex.venv" |
| "$HERE/virtualenv" "$HERE/pex.venv" |
| source "$HERE/pex.venv/bin/activate" |
| python -m pip install $PEX_REQ |
| echo $PEX_REQ > "$HERE"/pex.venv/BOOTSTRAPPED |
| fi |
| source "$HERE/pex.venv/bin/activate" |
| exec pex "$@" |