bash-shell-host/all/modules/chromium/chromium.sh

#!/bin/bash

# user to start MUST be first in arguments
# if not supplied then will use default
chromium_() {
  local DEFAULT=/opt/chromium
  local DEFAULT_USER=$HOME/.browsers
  # local DEFAULT="$HOME/.local/share/chromium"
  local exe="/usr/bin/chromium"

  [[ $1 == -g ]] && exe=$(command -v google-chrome) && shift
  echo execuatble to be used: $exe
  if [[ ! -f $exe ]]; then
    echo chromium/chrome not installed, checking for flatpak version
    flatpak=$(flatpak info com.github.Eloston.UngoogledChromium | grep error:)
    if [[ $flatpak ]]; then
      echo no flatpak version either - exiting && return 1
    else
      flatpak=true
      exe="/usr/bin/flatpak run --branch=stable --arch=x86_64 --filesystem=<dir> --command=/app/bin/chromium --file-forwarding com.github.Eloston.UngoogledChromium @@u"
    fi
  fi

  local instance=${CHROMIUM_INSTANCE}
  [[ $1 && (! $1 == -*) ]] && instance=$1 && shift
  [[ $1 && (! $1 == -*) ]] && url=$1 && shift
  if [[ $instance =~ http[s]?:\/\/ ]]; then
    url=$instance
    instance=""
    if [[ $url =~ ^-+ ]]; then
      url=""
      set -- "$@" $url
      url=""
    fi
  fi

  local dir
  if [[ ! $instance ]]; then
    unset CHROME_CONFIG_HOME
    $HOME/.config/chromium
    echo starting chromium for $USER in
    dir=$HOME/.config/chromium
    exe="${exe/<dir>/$dir}"
  else
    [[ $instance == "incognito" ]] && set -- "$@" "-incognito"
    dir=${DEFAULT_USER}/$instance
    dir=$([[ -d "$dir" ]] && echo $dir || echo "${CHROMIUM_HOME:-$DEFAULT}/$instance")
    exe="${exe/<dir>/$dir}"
  fi
  mkdir -p $dir
  echo $exe $@ --user-data-dir=$dir $url $([[ $flatpak ]] && echo "@@")
  $exe $@ --user-data-dir=$dir $url $([[ $flatpak ]] && echo "@@")

}

# # if script was executed then call the function
(return 0 2>/dev/null) || chromium_ $@