#!/bin/sh
#
# Written by    Alex Kuchma <ask@bcs.zp.ua>
#               Alex Tkachenko <alex@bcs.zp.ua>
# Updated by    Vitezslav Samel <xsamel00@dcse.fee.vutbr.cz>
#
# (C) 1997, 1998 The Free Software Foundation.
#
#

XAR=ar

mcarfs_list ()
{
    # If $temp_replace string is part of the filename that part might get lost
    temp_replace='Unique Separator String'
    thisyear="`date +%Y`"
    $XAR tv "$1" | sed 's,^,-,;s, , 1 ,;s,/, ,' |
	sed -e "s/\( [0-2][0-9]\:[0-5][0-9]\)\( $thisyear \)\(.*\)/\1$temp_replace\3/" |
	sed -e "s/\( [0-2][0-9]\:[0-5][0-9] \)\([12][0-9][0-9][0-9] \)\(.*\)/ \2\3/" |
	sed -e "s/$temp_replace/ /"
}

mcarfs_copyout ()
{
    $XAR p "$1" "$2" > "$3"
}

mcarfs_copyin ()
{
    TMPDIR=`mktemp -d "${MC_TMPDIR:-/tmp}/mctmpdir-uar.XXXXXX"` || exit 1
    name=`basename "$2"`
    (cd "$TMPDIR" && cp -fp "$3" "$name" && $XAR r "$1" "$name")
    rm -rf "$TMPDIR"
}

mcarfs_rm ()
{
    $XAR d "$1" "$2"
}

# override any locale for dates
LC_ALL=C
export LC_ALL

umask 077
case "$1" in
  list) mcarfs_list "$2" ;;
  copyout) shift; mcarfs_copyout "$@" ;;
  copyin) shift; mcarfs_copyin "$@" ;;
  rm) shift; mcarfs_rm "$@" ;;
  mkdir|rmdir)
    echo "mcarfs: ar archives cannot contain directories." 1>&2
    exit 1;;
  *)
    echo "mcarfs: unknown command: \"$1\"." 1>&2
    exit 1;;
esac

exit 0
