# vim:et sts=2 sw=2 ft=zsh
#
# Unarchives files
#

if (( # != 1 )); then
  print "usage: ${0} <archive_name.ext>" >&2
  return 1
fi

local archive_name="${1}"

# using unpigz/pbunzip2 provides little to decompression time; the benefit is mainly in compression time.
# setting it as an alias in the init.zsh file should be sufficient here.

case "${archive_name}" in
  (*.tar.gz|*.tgz) tar -xvzf "${archive_name}" ;;
  (*.tar.bz|*.tar.bz2|*.tbz|*.tbz2) tar -xvjf "${archive_name}" ;;
  (*.tar.xz|*.txz) tar -J --help &>/dev/null && tar -xvJf "${archive_name}" \
    || xzcat "${archive_name}" | tar xvf - ;;
  (*.tar.lzma|*.tlz) tar --lzma --help &>/dev/null && tar --lzma -xvf "${archive_name}" \
    || lzcat "${archive_name}" | tar xvf - ;;
  (*.tar) tar xvf "${archive_name}" ;;
  (*.gz) gunzip "${archive_name}" ;;
  (*.bz|*.bz2) bunzip2 "${archive_name}" ;;
  (*.xz) unxz "${archive_name}" ;;
  (*.lzma) unlzma "${archive_name}" ;;
  (*.Z) uncompress "${archive_name}" ;;
  (*.zip) unzip "${archive_name}";;
  (*.rar) (( $+{commands[unrar]} )) && unrar x -ad "${archive_name}" \
    || rar x -ad "${archive_name}" ;;
  (*.7z|*.001) 7za x "${archive_name}" ;;
  (*) print "${0}: unknown archive type: ${archive_name}" ;;
esac