condainstall.sh

#!/usr/bin/env bash

# Default python version
if [[ -z $PYTHON_VERSION ]]; then
    PYTHON_VERSION=2.7
fi

# Default conda download
if [[ -z $CONDA_DOWNLOAD ]]; then
    if [[ `uname` == "Darwin" ]]; then
	echo "Detected Mac OS X..."
        if [[ $PYTHON_VERSION == "2.7" ]]; then
	    CONDA_DOWNLOAD=Miniconda2-latest-MacOSX-x86_64.sh
        else 
            CONDA_DOWNLOAD=Miniconda3-latest-MacOSX-x86_64.sh
        fi
    else
	echo "Detected Linux..."
	if [[ $PYTHON_VERSION == "2.7" ]]; then
	    CONDA_DOWNLOAD=Miniconda2-latest-Linux-x86_64.sh
	else
	    CONDA_DOWNLOAD=Miniconda3-latest-Linux-x86_64.sh
	fi
    fi
fi

# Default conda deps
if [[ -z $CONDA_DEPS ]]; then
    CONDA_DEPS='scipy matplotlib pyyaml numpy astropy gammapy healpy astropy-healpix'
fi

# Default conda path
if [[ -z $CONDA_PATH ]]; then
    CONDA_PATH=$HOME/miniconda
fi


# Default conda env
if [[ -z $FERMIPY_CONDA_ENV ]]; then
    FERMIPY_CONDA_ENV=fermipy
fi

# Default fermitools conda channels
if [[ -z $FERMI_CONDA_CHANNELS ]]; then
   FERMI_CONDA_CHANNELS="-c conda-forge/label/cf201901 -c fermi"
fi

# Default conda channels
if [[ -z $CONDA_CHANNELS ]]; then
   CONDA_CHANNELS="conda-forge"
fi

# Default fermitools install
if [[ -z $ST_INSTALL ]]; then
   ST_INSTALL="conda install -y --name $FERMIPY_CONDA_ENV $FERMI_CONDA_CHANNELS -c $CONDA_CHANNELS fermitools"
fi

# Default install command
if [[ -z $INSTALL_CMD ]]; then
   INSTALL_CMD="conda install -y --name $FERMIPY_CONDA_ENV -c $CONDA_CHANNELS fermipy"
fi 

if [ ! -d "$CONDA_PATH/bin" ]; then
    echo Creating a new conda installation under $CONDA_PATH
    curl -o miniconda.sh -L http://repo.continuum.io/miniconda/$CONDA_DOWNLOAD
    bash miniconda.sh -b -p $CONDA_PATH
    rc=$?
    rm -f miniconda.sh
    if [[ $rc != 0 ]]; then
        exit $rc
    fi
else
    echo "Using existing conda installation under $CONDA_PATH"
fi

echo "CONDA_PATH=$CONDA_PATH"
echo "CONDA_DOWNLOAD=$CONDA_DOWNLOAD"
echo "FERMIPY_CONDA_ENV=$FERMIPY_CONDA_ENV"
echo "FERMI_CONDA_CHANNELS=$FERMI_CONDA_CHANNELS"
echo "CONDA_DEPS=$CONDA_DEPS"
echo "CONDA2_DEPS=$CONDA2_DEPS"
echo "PIP_DEPS=$PIP_DEPS"
echo "INSTALL_CMD=$INSTALL_CMD"
echo "ST_INSTALL=$ST_INSTALL"


# Make sure we have conda setup
. $CONDA_PATH/etc/profile.d/conda.sh


# First we update conda and make an env if needed
if [ ! -d $CONDA_PATH/envs/$FERMIPY_CONDA_ENV ]; then
    echo "Creating environment $FERMIPY_CONDA_ENV for fermipy"
    conda update -q conda -y
    conda create --name $FERMIPY_CONDA_ENV $FERMI_CONDA_CHANNELS -y python=$PYTHON_VERSION
else
    echo "Using existing environment $FERMIPY_CONDA_ENV"
fi
conda activate $FERMIPY_CONDA_ENV


# Install the science tools, if requested
if [[ -n $ST_INSTALL ]]; then
    $ST_INSTALL
fi

# Ok, now we install fermipy dependencies
conda install -n $FERMIPY_CONDA_ENV -y -c conda-forge $CONDA_DEPS

# Install extra conda deps if needed
if [[ -n $CONDA2_DEPS ]]; then
    conda install -n $FERMIPY_CONDA_ENV -y -c conda-forge $CONDA2_DEPS
fi

# Install stuff from pip (for travis coverage testing)
if [[ -n $PIP_DEPS ]]; then
    python -m pip install $PIP_DEPS
fi

source condasetup.sh

# We don't set this up by default.  Let the user specify how to do it.
# This is just here from the travis testing
if [[ -n $INSTALL_CMD ]]; then
    $INSTALL_CMD
fi