nop ${BREW_HOME:=/home/linuxbrew}
nop ${BREW:="$BREW_HOME/.linuxbrew/bin/brew"}

if [[ -e "$BREW" ]]; then
  path_backup="$PATH"
  eval "$($BREW shellenv)"
  PATH="$path_backup"

  append_path "$HOMEBREW_PREFIX/bin"
  append_path "$HOMEBREW_PREFIX/sbin"
fi