Ticket #2031: ls_hack

#LIST /${FISH_DIR }
LC_TIME=C
export LC_TIME

fish_list_lsq ()
{
FISH_DIR="$1"
ls -Qlan "${FISH_DIR}" 2>/dev/null | grep '^[^cbt]' | (
while read p l u g s m d y n; do
    echo "P$p $u.$g"
    echo "S$s"
    echo "d$m $d $y"
    echo ":$n"
    echo
done
)

ls -Qlan "${FISH_DIR}" 2>/dev/null | grep '^[cb]' | (
while read p l u g a i m d y n; do
    echo "P$p $u.$g"
    echo "E$a$i"
    echo "d$m $d $y"
    echo ":$n"
    echo
done
)
echo '### 200'
}

fish_list_sed ()
{
FISH_DIR="$1"
ls -lan "${FISH_DIR}" 2>/dev/null | grep '^[^cbt]' | (
while read p l u g s rec; do
    if [ -n "$g" ]; then
        if [ -n "$FISH_HAVE_DATE_MDYT" ]; then
            filename=`echo "$rec"| sed 's/[^[:space:]]\+ \+[^[:space:]]\+ \+[^[:space:]]\+ //'`
            filedate=`echo "$rec"| sed 's/\([^[:space:]]\+ \+[^[:space:]]\+ \+[^[:space:]]\+\) .*/\1/'`
        else
            filename=`echo "$rec"| sed 's/[^[:space:]]\+ \+[^[:space:]]\+ //'`
            filedate=`echo "$rec"| sed 's/\([^[:space:]]\+ \+[^[:space:]]\+\) .*/\1/'`
        fi
        pfile=\"`echo "$filename" | sed -e 's#^\(.*\) -> \(.*\)#\1" -> "\2#'`\"
        echo "P$p $u.$g"
        echo "S$s"
        if [ -n "$FISH_HAVE_DATE_MDYT" ]; then
            echo "d$filedate"
        else
            echo "D$filedate"
        fi
        echo ":$pfile"
        echo
    fi
done
)
ls -lan "${FISH_DIR}" 2>/dev/null | grep '^[cb]' | (
while read p l u g a i rec; do
    if [ -n "$g" ]; then
        if [ -n "$FISH_HAVE_DATE_MDYT" ]; then
            filename=`echo "$rec"| sed 's/[^[:space:]]\+ \+[^[:space:]]\+ \+[^[:space:]]\+ //'`
            filedate=`echo "$rec"| sed 's/\([^[:space:]]\+ \+[^[:space:]]\+ \+[^[:space:]]\+\) .*/\1/'`
        else
            filename=`echo "$rec"| sed 's/[^[:space:]]\+ \+[^[:space:]]\+ //'`
            filedate=`echo "$rec"| sed 's/\([^[:space:]]\+ \+[^[:space:]]\+\) .*/\1/'`
        fi
        pfile=\"`echo "$filename" | sed -e 's#^\(.*\) -> \(.*\)#\1" -> "\2#'`\"
        echo "P$p $u.$g"
        echo "E$a$i"
        if [ -n "$FISH_HAVE_DATE_MDYT" ]; then
            echo "d$filedate"
        else
            echo "D$filedate"
        fi
        echo ":$pfile"
        echo
    fi
done
)
echo '### 200'
}

fish_list_poor_ls ()
{
FISH_DIR="$1"
ls -lan "${FISH_DIR}" 2>/dev/null | grep '^[^cbt]' | (
while read p l u g s m d y n n2 n3; do
    if [ -n "$g" ]; then
        if [ "$m" = "0" ]; then
            s=$d; m=$y; d=$n; y=$n2; n=$n3
        else
            n=$n" "$n2" "$n3
        fi
        echo "P$p $u $g"
        echo "S$s"
        echo "d$m $d $y"
        echo ":"$n
        echo
    fi
done
)
ls -lan "${FISH_DIR}" 2>/dev/null | grep '^[cb]' | (
while read p l u g a i m d y n n2 n3; do
    if [ -n "$g" ]; then
        if [ "$a" = "0" ]; then
            a=$m; i=$d; m=$y; d=$n; y=$n2; n=$n3
        else
            n=$n" "$n2" "$n3
        fi
        echo "P$p $u $g"
        echo "S$s"
        echo "d$m $d $y"
        echo ":"$n
        echo
    fi
done
)
echo '### 200'
}

fish_list_perl ()
{
FISH_DIR=$1
perl -e '
use strict;
use POSIX;
use Fcntl;
use POSIX ":fcntl_h"; #S_ISLNK was here until 5.6
my $dirname = $ARGV[0];
if (opendir (DIR, $dirname)) {
while((my $filename = readdir (DIR))){
    my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks) = lstat("$dirname/$filename");
    my $mloctime= strftime("%%m-%%d-%%Y %%H:%%M", localtime $mtime);
    my $strutils_shell_escape_regex = s/([;<>\*\|`&\$!#\(\)\[\]\{\}:'\''"\ \\])/\\$1/g;
    my $e_filename = $filename;
    $e_filename =~ $strutils_shell_escape_regex;

        # here we count the required values manually since 
        # I was not able to 'link' it anyhow using standard perl way
        my $s_ifmt =   $mode & 00170000;
        my $s_imode =  $mode & 07777;
        my $s_islnk = ($mode & 00170000) == 0120000;

    if ($s_islnk) {
        my $linkname = readlink ("$dirname/$filename");
        $linkname =~ $strutils_shell_escape_regex;
        printf("R%%o %%o $uid.$gid\nS$size\nd$mloctime\n:\"$e_filename\" -> \"$linkname\"\n\n", $s_imode, $s_ifmt);
    } else {
        printf("R%%o %%o $uid.$gid\nS$size\nd$mloctime\n:\"$e_filename\"\n\n", $s_imode,, $s_ifmt);
    }
}
    printf("### 200\n");
    closedir(DIR);
} else {
    printf("### 500\n");
}
exit 0
' "/${FISH_DIR}"
}

if [ -n "${FISH_HAVE_PERL}" ]; then
    fish_list_perl "/${FISH_FILENAME}"
elif [ -n "${FISH_HAVE_LSQ}" ]; then
    fish_list_lsq "/${FISH_FILENAME}"
elif [ -n "${FISH_HAVE_SED}" ]; then
    fish_list_sed "/${FISH_FILENAME}"
else
    fish_list_poor_ls "/${FISH_FILENAME}"
fi