bash

function show_msg {
  # only echo msg if EESSI_SILENT is unset
  msg=$1
  if [[ -z ${EESSI_SILENT+x} ]]; then
    echo "$msg"
  fi
}

# The following method should be safe, but might break if file is a symlink
# (could switch to $(dirname "$(readlink -f "$BASH_SOURCE")") in that case)
source $(dirname "$BASH_SOURCE")/eessi_environment_variables

# only continue if setting EESSI environment variables worked fine
if [ $? -eq 0 ]; then

    export PS1="{EESSI $EESSI_VERSION} $PS1"

    # add location of commands provided by compat layer to $PATH;
    # see https://github.com/EESSI/software-layer/issues/52
    export PATH=$EPREFIX/usr/bin:$EPREFIX/bin:$PATH

    # init Lmod
    show_msg "Initializing Lmod..."
    source $EESSI_EPREFIX/usr/share/Lmod/init/bash

    # prepend location of modules for EESSI software stack to $MODULEPATH
    show_msg "Prepending $EESSI_MODULEPATH to \$MODULEPATH..."
    module use $EESSI_MODULEPATH

    if [ ! -z ${EESSI_MODULEPATH_ACCEL} ]; then
        show_msg "Prepending $EESSI_MODULEPATH_ACCEL to \$MODULEPATH..."
        module use $EESSI_MODULEPATH_ACCEL
    fi

    show_msg "Prepending site path $EESSI_SITE_MODULEPATH to \$MODULEPATH..."
    module use $EESSI_SITE_MODULEPATH

    if [ ! -z ${EESSI_MODULEPATH_ACCEL} ]; then
        show_msg "Prepending $EESSI_SITE_MODULEPATH_ACCEL to \$MODULEPATH..."
        module use $EESSI_SITE_MODULEPATH_ACCEL
    fi

    #show_msg ""
    #show_msg "*** Known problems in the ${EESSI_VERSION} software stack ***"
    #show_msg ""
    #show_msg "1) ..."
    #show_msg ""
    #show_msg ""

    echo "Environment set up to use EESSI (${EESSI_VERSION}), have fun!"
    printf "*****\nPlease note that by configuring and using the EESSI software stack,\nyou agree to abide by the EESSI Terms of Use\n(see https://www.eessi.io/docs/governance/terms_of_use/).\n*****\n"

fi