bash-shell-base/setup.sh

#!/bin/bash
DIR=${1:-$(dirname ${BASH_SOURCE[0]})}

# source the required directory source function
if [ ! -e  "$BASH_SHELL_BASE/source-dir.func" ]; then
  echo "!Unable to load sourcing function at $DIR/source-dir, shell not set up!"
else
  . $BASH_SHELL_BASE/source-dir.func
  # source the default shopt options
  [ -e  "$DIR/options" ] && . $DIR/options

  function shell_process_directory () {
    local SUBDIRS
    local DIR
    local DSUBDIRS

    DIR=${1:-$BASH_SHELL_BASE}
    # echo soucring directory $DIR

    if [ -d  "$DIR" ]; then
      if [ "$DIR" = "$BASH_SHELL_BASE" ] && [ "$BASH_SHELL_BASE_SOURCED" = "true" ]; then
          if [ -v PS1 ]; then
          echo base directory already sourced
          read -p "do you want to re-source the base (not recommended)? " -n 1 -r
          echo
          [[ ! $REPLY =~ ^[Yy]$ ]] && return 1
          # else
            # echo non-interactive shell
            # return 1
          fi
        fi

      if [ -f  "$DIR/setup.sh" ] && [ "$DIR" != "$BASH_SHELL_BASE" ]; then
          echo "$DIR/setup.sh" found, running instead of default processing
       . "$DIR/setup.sh"
       else
          # default processing
          local SUBDIRS
          local DSUBDIRS
          # default subdirectories to source
          DSUBDIRS="env function alias misc lang app"
          IFS=' ' read -r -a SUBDIRS <<< "${2:-$DSUBDIRS}"
          # echo ${SUBDIRS[@]}
          for SUBDIR in "${SUBDIRS[@]}"
          do
          if [ -e  "$DIR/$SUBDIR" ]; then
            # echo processing subdirectory $DIR/$SUBDIR
            # must quote all globs to avoid bash glob expansion which is likely on
            source_dir -p "archive" -x '"*.off" "*.md"'  -d 0 $DIR/$SUBDIR
           #  else
              # echo no subdirectory $DIR/$SUBDIR to process, ignorning
          fi
          done
        fi
        # echo "done sourcing directory $DIR"
     # else
        # echo $DIR does not exist nothing to source
    fi

  }

# process the base directory by default
unset BASH_SHELL_BASE_SOURCED
shell_process_directory
export BASH_SHELL_BASE_SOURCED=true
# process network
shell_process_directory "$BASH_SHELL_NETWORK/all"
[ $NETWORKNAME ] && shell_process_directory "$BASH_SHELL_NETWORK/$NETWORKNAME"
# process host
shell_process_directory "$BASH_SHELL_HOST/all"
shell_process_directory "$BASH_SHELL_HOST/$(hostname)"
# process user
# Note: $HOME/shell or $HOME/BASH_SHELL_USER are sourced via $HOME/.bashrc

# echo $(envg BASH) | xargs -n 1

fi