Shell script that I use to bootstrap my conda environments (it's always in-flux)

mc-opts

#!/usr/bin/env bash

if [[ -n $BASH_VERSION ]] && [[ "$(basename "$0" 2> /dev/null)" == "mc-opts" ]]; then
    >&2 echo "Error: mc must be sourced. Run 'source $0 $*'"
    exit 1
fi

script_dir=$( cd $( dirname "${BASH_SOURCE[0]}" ) && pwd )

while [ "$#" -gt 0 ]; do
    OPT="$1"
    case "$1" in
        -*=*)
            VAR=$(echo $1 | sed "s,^-\(.*\)=.*,\1,")
            VAL=$(echo $1 | sed "s,^-.*=\(.*\),\1,")
            ;;
        -*)
            VAR=$(echo $1 | sed "s,^-\(.*\),\1,")
            VAL=1
            ;;
    esac
    VAR=$(echo "$VAR" | tr '[a-z]' '[A-Z]')
    eval "$VAR=\$VAL"
    shift
    OPTIONS_DEBUG=$OPTIONS_DEBUG" $VAR=$VAL"
done

if [[ "${PYVER}" == "2" ]]; then
  PYVER=2.7
elif [[ "${PYVER}" == "3" ]]; then
  PYVER=3.5
fi

if [[ -z ${PREFIX} ]]; then
  PREFIX=mc
fi

# To get the value of a single parameter, just remember to include the `-`
echo The value of -prefix is: $PREFIX
echo The value of -pyver is: $PYVER
echo The value of -maximal is: $MAXIMAL
echo The value of -buildconda is: $BUILDCONDA

if [[ "${PYVER}" != "2.7" && "${PYVER}" != "3.4" && "${PYVER}" != "3.5" ]]; then
      echo "ERROR: Valid arguments are 2, 2.7, 3 - selects 3.5, 3.4, and 3.5"
      return 1
fi

if [[ "$(uname -m)" == "x86_64" ]]; then
  FOLDARCHSUF=-x64
  DLSUF=x86_64
else
  FOLDARCHSUF=-x86
  DLSUF=x86
fi

CONDAMAJVER=${PYVER%.*}
CONDAPATH=${HOME}/${PREFIX}${FOLDARCHSUF}-${PYVER}

if [[ "$(uname)" == "Darwin" ]]; then
  CONDAOS=MacOSX
elif [[ $(uname) =~ (MSYS|MINGW).* ]]; then
  CONDAOS=Windows
else
  CONDAOS=Linux
fi

if [[ "${CONDAOS}" == "Windows" ]]; then
  export CONDA_R=3.3.0
else
  export CONDA_R=3.2.2
fi

if [[ ! -d ${CONDAPATH} ]]; then
  URL=https://repo.continuum.io/miniconda/Miniconda${CONDAMAJVER}-latest-${CONDAOS}-${DLSUF}.sh
  FNAME=$(basename ${URL})
  if [[ ! -d ${HOME}/Downloads ]]; then
    mkdir -p ${HOME}/Downloads
  fi
  curl --url ${URL} --output ${HOME}/Downloads/${FNAME}
  bash ${HOME}/Downloads/${FNAME} -b -p ${CONDAPATH}
  source ${CONDAPATH}/bin/activate ${CONDAPATH}
  conda update conda -y
  # Don't use unxutils here, see https://github.com/conda/conda-build/issues/495
  conda install python=${PYVER} anaconda-client conda-build pytest pytest-cov nose pyflakes flake8 -y
  if [[ "${CONDAOS}" == "Windows" ]]; then
    conda install m2-patch -c msys2 -y
  fi
  if [[ -n "${MAXIMAL}" ]]; then
    conda install -c spyder-ide spyder -y
  fi
fi

if [[ "${CONDAOS}" == "Windows" ]]; then
  source ${CONDAPATH}/Scripts/activate ${CONDAPATH}
else
  source ${CONDAPATH}/bin/activate ${CONDAPATH}
fi

if [[ -n "${BUILDCONDA}" ]]; then
  pushd $HOME/conda/conda-build
    git clean -dxf -e .idea .
    python setup.py install
  popd
  pushd $HOME/conda/conda
    git clean -dxf -e .idea .
    CONDA_DEFAULT_ENV= python setup.py install
  popd
fi

# sudo apt-get install gfortran