run_vmtool.sh

#! /bin/sh

# run vmtool in automatically generated virtualenv

CURVER=12
PYTHON=python3

script="$0"
top=$(python3 -c "from os.path import realpath, dirname; print(dirname(realpath('${script}')))")

venv="$HOME/.vmtool-venv"
ver="$venv/ver.txt"

unset LC_ALL LC_TIME LC_MONETARY LC_ADDRESS LC_TELEPHONE LC_NAME
unset LC_MEASUREMENT LC_IDENTIFICATION LC_NUMERIC LC_PAPER
unset LANGUAGE LANG

set -e

refresh=1
if test -f "$ver"; then
  OLDVER=`cat $ver`
  if test "$CURVER" = "$OLDVER"; then
    refresh=0
  fi
fi

if test "$refresh" = "1"; then
  echo "Rebuilding virtualenv based on requirements.txt..."
  rm -rf "$venv"
  $PYTHON -m venv "$venv"
  "$venv"/bin/pip \
    --quiet \
    --disable-pip-version-check \
    install -r "$top/requirements.txt"
  echo "$CURVER" > "$ver"
fi

PYTHONPATH="${top}:${PYTHONPATH}" \
exec "$venv"/bin/python -m vmtool.run "$@"