_zimfw_modules() {
  local zmodule zurl ztype zrev
  local -a zmodules
  local -A zoptions
  zstyle -a ':zim' modules 'zmodules'
  for zmodule in ${zmodules}; do
    zstyle -a ':zim:module' ${zmodule} 'zoptions'
    [[ ${zoptions[frozen]} == yes ]] && continue
    zurl=${zoptions[url]:-${zmodule}}
    if [[ ${zurl} != /* && ${zurl} != *@*:* ]]; then
      # Count number of slashes
      case ${#zurl//[^\/]/} in
        0) zurl="https://github.com/zimfw/${zurl}.git" ;;
        1) zurl="https://github.com/${zurl}.git" ;;
      esac
    fi
    if [[ -n ${zoptions[tag]} ]]; then
      ztype=tag
      zrev=${zoptions[tag]}
    else
      ztype=branch
      zrev=${zoptions[branch]:-master}
    fi
    # Cannot have an empty space at the EOL because this is read by xargs -L1
    print "'${ZIM_HOME}/modules/${zmodule}' '${zurl}' '${ztype}' '${zrev}'${1:+ ${1}}"
  done
}