[p5sagit/p5-mst-13.2.git] / x2p / find2perl.PL

#!/usr/local/bin/perl

use Config;
use File::Basename qw(&basename &dirname);
use Cwd;

# List explicitly here the variables you want Configure to
# generate.  Metaconfig only looks for shell variables, so you
# have to mention them as if they were shell variables, not
# %Config entries.  Thus you write
#  $startperl
# to ensure Configure will look for $Config{startperl}.

# This forces PL files to create target in same directory as PL file.
# This is so that make depend always knows where to find PL derivatives.
$origdir = cwd;
chdir dirname($0);
$file = basename($0, '.PL');
$file .= '.com' if $^O eq 'VMS';

open OUT,">$file" or die "Can't create $file: $!";

print "Extracting $file (with variable substitutions)\n";

# In this section, perl variables will be expanded during extraction.
# You can use $Config{...} to use Configure variables.

print OUT <<"!GROK!THIS!";
$Config{startperl}
    eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
      if \$running_under_some_shell;
\$startperl = "$Config{startperl}";
\$perlpath = "$Config{perlpath}";
!GROK!THIS!

# In the following, perl variables are not expanded during extraction.

print OUT <<'!NO!SUBS!';

# 
# Modified September 26, 1993 to provide proper handling of years after 1999
#   Tom Link <tml+@pitt.edu>
#   University of Pittsburgh
# 
# Modified April 7, 1998 with nasty hacks to implement the troublesome -follow
#  Billy Constantine <wdconsta@cs.adelaide.edu.au> <billy@smug.adelaide.edu.au>
#  University of Adelaide, Adelaide, South Australia
# 

while ($ARGV[0] =~ /^[^-!(]/) {
    push(@roots, shift);
}
@roots = ('.') unless @roots;
for (@roots) { $_ = &quote($_); }
$roots = join(',', @roots);

$indent = 1;
$stat = 'lstat';
$decl = '';

while (@ARGV) {
    $_ = shift;
    s/^-// || /^[()!]/ || die "Unrecognized switch: $_\n";
    if ($_ eq '(') {
	$out .= &tab . "(\n";
	$indent++;
	next;
    }
    elsif ($_ eq ')') {
	$indent--;
	$out .= &tab . ")";
    }
    elsif ($_ eq 'follow') {
	$stat = 'stat';
	$decl = '%already_seen = ();';
	$out .= &tab . '(not $already_seen{"$dev,$ino"}) &&';
	$out .= "\n" . &tab . '(($already_seen{"$dev,$ino"} = !(-d _)) || 1)';
    }
    elsif ($_ eq '!') {
	$out .= &tab . "!";
	next;
    }
    elsif ($_ eq 'name') {
	$out .= &tab;
	$pat = &fileglob_to_re(shift);
	$out .= '/' . $pat . "/";
    }
    elsif ($_ eq 'perm') {
	$onum = shift;
	die "Malformed -perm argument: $onum\n" unless $onum =~ /^-?[0-7]+$/;
	if ($onum =~ s/^-//) {
	    $onum = '0' . sprintf("%o", oct($onum) & 017777);	# s/b 07777 ?
	    $out .= &tab . "((\$mode & $onum) == $onum)";
	}
	else {
	    $onum = '0' . $onum unless $onum =~ /^0/;
	    $out .= &tab . "((\$mode & 0777) == $onum)";
	}
    }
    elsif ($_ eq 'type') {
	($filetest = shift) =~ tr/s/S/;
	$out .= &tab . "-$filetest _";
    }
    elsif ($_ eq 'print') {
	$out .= &tab . 'print("$name\n")';
    }
    elsif ($_ eq 'print0') {
	$out .= &tab . 'print("$name\0")';
    }
    elsif ($_ eq 'fstype') {
	$out .= &tab;
	$type = shift;
	if ($type eq 'nfs')
	    { $out .= '($dev < 0)'; }
	else
	    { $out .= '($dev >= 0)'; }
    }
    elsif ($_ eq 'user') {
	$uname = shift;
	$out .= &tab . "(\$uid == \$uid{'$uname'})";
	$inituser++;
    }
    elsif ($_ eq 'group') {
	$gname = shift;
	$out .= &tab . "(\$gid == \$gid{'$gname'})";
	$initgroup++;
    }
    elsif ($_ eq 'nouser') {
	$out .= &tab . '!defined $uid{$uid}';
	$inituser++;
    }
    elsif ($_ eq 'nogroup') {
	$out .= &tab . '!defined $gid{$gid}';
	$initgroup++;
    }
    elsif ($_ eq 'links') {
	$out .= &tab . '($nlink ' . &n(shift);
    }
    elsif ($_ eq 'inum') {
	$out .= &tab . '($ino ' . &n(shift);
    }
    elsif ($_ eq 'size') {
	$_ = shift;
	if (s/c$//) {
	    $out .= &tab . '(int(-s _) ' . &n($_);
	} else {
	    $out .= &tab . '(int(((-s _) + 511) / 512) ' . &n($_);
	}
    }
    elsif ($_ eq 'atime') {
	$out .= &tab . '(int(-A _) ' . &n(shift);
    }
    elsif ($_ eq 'mtime') {
	$out .= &tab . '(int(-M _) ' . &n(shift);
    }
    elsif ($_ eq 'ctime') {
	$out .= &tab . '(int(-C _) ' . &n(shift);
    }
    elsif ($_ eq 'exec') {
	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	shift;
	$_ = "@cmd";
	if (m#^(/bin/)?rm -f {}$#) {
	    if (!@ARGV) {
		$out .= &tab . 'unlink($_)';
	    }
	    else {
		$out .= &tab . '(unlink($_) || 1)';
	    }
	}
	elsif (m#^(/bin/)?rm {}$#) {
	    $out .= &tab . '(unlink($_) || warn "$name: $!\n")';
	}
	else {
	    for (@cmd) { s/'/\\'/g; }
	    $" = "','";
	    $out .= &tab . "&exec(0, '@cmd')";
	    $" = ' ';
	    $initexec++;
	}
    }
    elsif ($_ eq 'ok') {
	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	shift;
	for (@cmd) { s/'/\\'/g; }
	$" = "','";
	$out .= &tab . "&exec(1, '@cmd')";
	$" = ' ';
	$initexec++;
    }
    elsif ($_ eq 'prune') {
	$out .= &tab . '($prune = 1)';
    }
    elsif ($_ eq 'xdev') {
	$out .= &tab . '!($prune |= ($dev != $topdev))';
    }
    elsif ($_ eq 'newer') {
	$out .= &tab;
	$file = shift;
	$newername = 'AGE_OF' . $file;
	$newername =~ s/[^\w]/_/g;
	$newername = "\$$newername";
	$out .= "(-M _ < $newername)";
	$initnewer .= "$newername = -M " . &quote($file) . ";\n";
    }
    elsif ($_ eq 'eval') {
	$prog = &quote(shift);
	$out .= &tab . "eval $prog";
    }
    elsif ($_ eq 'depth') {
	$depth++;
	next;
    }
    elsif ($_ eq 'ls') {
	$out .= &tab . "&ls";
	$initls++;
    }
    elsif ($_ eq 'tar') {
	$out .= &tab;
	die "-tar must have a filename argument\n" unless @ARGV;
	$file = shift;
	$fh = 'FH' . $file;
	$fh =~ s/[^\w]/_/g;
	$out .= "&tar($fh)";
	$file = '>' . $file;
	$initfile .= "open($fh, " . &quote($file) .
	  qq{) || die "Can't open $fh: \$!\\n";\n};
	$inittar++;
	$flushall = "\n&tflushall;\n";
    }
    elsif (/^n?cpio$/) {
	$depth++;
	$out .= &tab;
	die "-$_ must have a filename argument\n" unless @ARGV;
	$file = shift;
	$fh = 'FH' . $file;
	$fh =~ s/[^\w]/_/g;
	$out .= "&cpio('" . substr($_,0,1) . "', $fh)";
	$file = '>' . $file;
	$initfile .= "open($fh, " . &quote($file) .
	  qq{) || die "Can't open $fh: \$!\\n";\n};
	$initcpio++;
	$flushall = "\n&flushall;\n";
    }
    else {
	die "Unrecognized switch: -$_\n";
    }
    if (@ARGV) {
	if ($ARGV[0] eq '-o') {
	    { local($statdone) = 1; $out .= "\n" . &tab . "||\n"; }
	    $statdone = 0 if $indent == 1 && $delayedstat;
	    $saw_or++;
	    shift;
	}
	else {
	    $out .= " &&" unless $ARGV[0] eq ')';
	    $out .= "\n";
	    shift if $ARGV[0] eq '-a';
	}
    }
}

print <<"END";
$startperl
    eval 'exec $perlpath -S \$0 \${1+"\$@"}'
	if \$running_under_some_shell;

END

if ($initls) {
    print <<'END';
@rwx = ('---','--x','-w-','-wx','r--','r-x','rw-','rwx');
@moname = (Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec);

END
}

if ($inituser || $initls) {
    print 'while (($name, $pw, $uid) = getpwent) {', "\n";
    print '    $uid{$name} = $uid{$uid} = $uid;', "\n" if $inituser;
    print '    $user{$uid} = $name unless $user{$uid};', "\n" if $initls;
    print "}\n\n";
}

if ($initgroup || $initls) {
    print 'while (($name, $pw, $gid) = getgrent) {', "\n";
    print '    $gid{$name} = $gid{$gid} = $gid;', "\n" if $initgroup;
    print '    $group{$gid} = $name unless $group{$gid};', "\n" if $initls;
    print "}\n\n";
}

print $initnewer, "\n" if $initnewer;

print $initfile, "\n" if $initfile;

$find = $depth ? "finddepth" : "find";
print <<"END";
require "$find.pl";

# Traverse desired filesystems

$decl
&$find($roots);
$flushall
exit;
sub wanted {
$out;
}

END

if ($initexec) {
    print <<'END';
sub exec {
    local($ok, @cmd) = @_;
    foreach $word (@cmd) {
	$word =~ s#{}#$name#g;
    }
    if ($ok) {
	local($old) = select(STDOUT);
	$| = 1;
	print "@cmd";
	select($old);
	return 0 unless <STDIN> =~ /^y/;
    }
    chdir $cwd;		# sigh
    system @cmd;
    chdir $dir;
    return !$?;
}

END
}

if ($initls) {
    print <<"INTERP", <<'END';
sub ls {
    (\$dev,\$ino,\$mode,\$nlink,\$uid,\$gid,\$rdev,\$sizemm,
      \$atime,\$mtime,\$ctime,\$blksize,\$blocks) = $stat\(_\);
INTERP

    $pname = $name;

    if (defined $blocks) {
	$blocks = int(($blocks + 1) / 2);
    }
    else {
	$blocks = int(($size + 1023) / 1024);
    }

    if    (-f _) { $perms = '-'; }
    elsif (-d _) { $perms = 'd'; }
    elsif (-c _) { $perms = 'c'; $sizemm = &sizemm; }
    elsif (-b _) { $perms = 'b'; $sizemm = &sizemm; }
    elsif (-p _) { $perms = 'p'; }
    elsif (-S _) { $perms = 's'; }
    else         { $perms = 'l'; $pname .= ' -> ' . readlink($_); }

    $tmpmode = $mode;
    $tmp = $rwx[$tmpmode & 7];
    $tmpmode >>= 3;
    $tmp = $rwx[$tmpmode & 7] . $tmp;
    $tmpmode >>= 3;
    $tmp = $rwx[$tmpmode & 7] . $tmp;
    substr($tmp,2,1) =~ tr/-x/Ss/ if -u _;
    substr($tmp,5,1) =~ tr/-x/Ss/ if -g _;
    substr($tmp,8,1) =~ tr/-x/Tt/ if -k _;
    $perms .= $tmp;

    $user = $user{$uid} || $uid;
    $group = $group{$gid} || $gid;

    ($sec,$min,$hour,$mday,$mon,$year) = localtime($mtime);
    $moname = $moname[$mon];
    if (-M _ > 365.25 / 2) {
	$timeyear = $year + 1900;
    }
    else {
	$timeyear = sprintf("%02d:%02d", $hour, $min);
    }

    printf "%5lu %4ld %-10s %2d %-8s %-8s %8s %s %2d %5s %s\n",
	    $ino,
		 $blocks,
		      $perms,
			    $nlink,
				$user,
				     $group,
					  $sizemm,
					      $moname,
						 $mday,
						     $timeyear,
							 $pname;
    1;
}

sub sizemm {
    sprintf("%3d, %3d", ($rdev >> 8) & 255, $rdev & 255);
}

END
}

if ($initcpio) {
print <<'START', <<"INTERP", <<'END';
sub cpio {
    local($nc,$fh) = @_;
    local($text);

    if ($name eq 'TRAILER!!!') {
	$text = '';
	$size = 0;
    }
    else {
START
	(\$dev,\$ino,\$mode,\$nlink,\$uid,\$gid,\$rdev,\$size,
	  \$atime,\$mtime,\$ctime,\$blksize,\$blocks) = $stat\(_\);
INTERP
	if (-f _) {
	    open(IN, "./$_\0") || do {
		warn "Couldn't open $name: $!\n";
		return;
	    };
	}
	else {
	    $text = readlink($_);
	    $size = 0 unless defined $text;
	}
    }

    ($nm = $name) =~ s#^\./##;
    $nc{$fh} = $nc;
    if ($nc eq 'n') {
	$cpout{$fh} .=
	  sprintf("%06o%06o%06o%06o%06o%06o%06o%06o%011lo%06o%011lo%s\0",
	    070707,
	    $dev & 0777777,
	    $ino & 0777777,
	    $mode & 0777777,
	    $uid & 0777777,
	    $gid & 0777777,
	    $nlink & 0777777,
	    $rdev & 0177777,
	    $mtime,
	    length($nm)+1,
	    $size,
	    $nm);
    }
    else {
	$cpout{$fh} .= "\0" if length($cpout{$fh}) & 1;
	$cpout{$fh} .= pack("SSSSSSSSLSLa*",
	    070707, $dev, $ino, $mode, $uid, $gid, $nlink, $rdev, $mtime,
	    length($nm)+1, $size, $nm . (length($nm) & 1 ? "\0" : "\0\0"));
    }
    if ($text ne '') {
	$cpout{$fh} .= $text;
    }
    elsif ($size) {
	&flush($fh) while ($l = length($cpout{$fh})) >= 5120;
	while (sysread(IN, $cpout{$fh}, 5120 - $l, $l)) {
	    &flush($fh);
	    $l = length($cpout{$fh});
	}
    }
    close IN;
}

sub flush {
    local($fh) = @_;

    while (length($cpout{$fh}) >= 5120) {
	syswrite($fh,$cpout{$fh},5120);
	++$blocks{$fh};
	substr($cpout{$fh}, 0, 5120) = '';
    }
}

sub flushall {
    $name = 'TRAILER!!!';
    foreach $fh (keys %cpout) {
	&cpio($nc{$fh},$fh);
	$cpout{$fh} .= "0" x (5120 - length($cpout{$fh}));
	&flush($fh);
	print $blocks{$fh} * 10, " blocks\n";
    }
}

END
}

if ($inittar) {
print <<'START', <<"INTERP", <<'END';
sub tar {
    local($fh) = @_;
    local($linkname,$header,$l,$slop);
    local($linkflag) = "\0";

START
    (\$dev,\$ino,\$mode,\$nlink,\$uid,\$gid,\$rdev,\$size,
      \$atime,\$mtime,\$ctime,\$blksize,\$blocks) = $stat\(_\);
INTERP
    $nm = $name;
    if ($nlink > 1) {
	if ($linkname = $linkseen{$fh,$dev,$ino}) {
	    $linkflag = 1;
	}
	else {
	    $linkseen{$fh,$dev,$ino} = $nm;
	}
    }
    if (-f _) {
	open(IN, "./$_\0") || do {
	    warn "Couldn't open $name: $!\n";
	    return;
	};
	$size = 0 if $linkflag ne "\0";
    }
    else {
	$linkname = readlink($_);
	$linkflag = 2 if defined $linkname;
	$nm .= '/' if -d _;
	$size = 0;
    }

    $header = pack("a100a8a8a8a12a12a8a1a100",
	$nm,
	sprintf("%6o ", $mode & 0777),
	sprintf("%6o ", $uid & 0777777),
	sprintf("%6o ", $gid & 0777777),
	sprintf("%11o ", $size),
	sprintf("%11o ", $mtime),
	"        ",
	$linkflag,
	$linkname);
    $l = length($header) % 512;
    substr($header, 148, 6) = sprintf("%6o", unpack("%16C*", $header));
    substr($header, 154, 1) = "\0";  # blech
    $tarout{$fh} .= $header;
    $tarout{$fh} .= "\0" x (512 - $l) if $l;
    if ($size) {
	&tflush($fh) while ($l = length($tarout{$fh})) >= 10240;
	while (sysread(IN, $tarout{$fh}, 10240 - $l, $l)) {
	    $slop = length($tarout{$fh}) % 512;
	    $tarout{$fh} .= "\0" x (512 - $slop) if $slop;
	    &tflush($fh);
	    $l = length($tarout{$fh});
	}
    }
    close IN;
}

sub tflush {
    local($fh) = @_;

    while (length($tarout{$fh}) >= 10240) {
	syswrite($fh,$tarout{$fh},10240);
	++$blocks{$fh};
	substr($tarout{$fh}, 0, 10240) = '';
    }
}

sub tflushall {
    local($len);

    foreach $fh (keys %tarout) {
	$len = 10240 - length($tarout{$fh});
	$len += 10240 if $len < 1024;
	$tarout{$fh} .= "\0" x $len;
	&tflush($fh);
    }
}

END
}

exit;

############################################################################

sub tab {
    local($tabstring);

    $tabstring = "\t" x ($indent / 2) . ' ' x ($indent % 2 * 4);
    if (!$statdone) {
	if ($_ =~ /^(name|print|prune|exec|ok|\(|\))/) {
	    $delayedstat++;
	}
	else {
	    if ($saw_or) {
		$tabstring .= <<"ENDOFSTAT" . $tabstring;
(\$nlink || ((\$dev,\$ino,\$mode,\$nlink,\$uid,\$gid) = $stat\(\$_\))) &&
ENDOFSTAT
	    }
	    else {
		$tabstring .= <<"ENDOFSTAT" . $tabstring;
((\$dev,\$ino,\$mode,\$nlink,\$uid,\$gid) = $stat\(\$_\)) &&
ENDOFSTAT
	    }
	    $statdone = 1;
	}
    }
    $tabstring =~ s/^\s+/ / if $out =~ /!$/;
    $tabstring;
}

sub fileglob_to_re {
    local($tmp) = @_;

    $tmp =~ s#([./^\$()])#\\$1#g;
    $tmp =~ s/([?*])/.$1/g;
    "^$tmp\$";
}

sub n {
    local($n) = @_;

    $n =~ s/^-/< / || $n =~ s/^\+/> / || $n =~ s/^/== /;
    $n =~ s/ 0*(\d)/ $1/;
    $n . ')';
}

sub quote {
    local($string) = @_;
    $string =~ s/'/\\'/;
    "'$string'";
}
!NO!SUBS!

close OUT or die "Can't close $file: $!";
chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';
chdir $origdir;
Commit	Line	Data
4633a7c4	1	#!/usr/local/bin/perl
	2
	3	use Config;
	4	use File::Basename qw(&basename &dirname);
8a5546a1	5	use Cwd;
4633a7c4	6
	7	# List explicitly here the variables you want Configure to
	8	# generate. Metaconfig only looks for shell variables, so you
	9	# have to mention them as if they were shell variables, not
	10	# %Config entries. Thus you write
	11	# $startperl
	12	# to ensure Configure will look for $Config{startperl}.
	13
	14	# This forces PL files to create target in same directory as PL file.
	15	# This is so that make depend always knows where to find PL derivatives.
8a5546a1	16	$origdir = cwd;
44a8e56a	17	chdir dirname($0);
44a8e56a	18	$file = basename($0, '.PL');
774d564b	19	$file .= '.com' if $^O eq 'VMS';
4633a7c4	20
	21	open OUT,">$file" or die "Can't create $file: $!";
	22
	23	print "Extracting $file (with variable substitutions)\n";
	24
	25	# In this section, perl variables will be expanded during extraction.
	26	# You can use $Config{...} to use Configure variables.
	27
	28	print OUT <<"!GROK!THIS!";
5f05dabc	29	$Config{startperl}
5f05dabc	30	eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
7b8d334a	31	if \$running_under_some_shell;
f70b6ff5	32	\$startperl = "$Config{startperl}";
5f05dabc	33	\$perlpath = "$Config{perlpath}";
4633a7c4	34	!GROK!THIS!
	35
	36	# In the following, perl variables are not expanded during extraction.
	37
	38	print OUT <<'!NO!SUBS!';
7b8d334a	39
93a17b20	40	#
	41	# Modified September 26, 1993 to provide proper handling of years after 1999
	42	# Tom Link <tml+@pitt.edu>
	43	# University of Pittsburgh
7b8d334a	44	#
	45	# Modified April 7, 1998 with nasty hacks to implement the troublesome -follow
	46	# Billy Constantine <wdconsta@cs.adelaide.edu.au> <billy@smug.adelaide.edu.au>
	47	# University of Adelaide, Adelaide, South Australia
	48	#
fe14fcc3	49
fe14fcc3	50	while ($ARGV[0] =~ /^[^-!(]/) {
	51	push(@roots, shift);
	52	}
	53	@roots = ('.') unless @roots;
	54	for (@roots) { $_ = &quote($_); }
	55	$roots = join(',', @roots);
	56
	57	$indent = 1;
7b8d334a	58	$stat = 'lstat';
7b8d334a	59	$decl = '';
fe14fcc3	60
	61	while (@ARGV) {
	62	$_ = shift;
	63	s/^-// \|\| /^[()!]/ \|\| die "Unrecognized switch: $_\n";
	64	if ($_ eq '(') {
	65	$out .= &tab . "(\n";
	66	$indent++;
	67	next;
	68	}
	69	elsif ($_ eq ')') {
	70	$indent--;
	71	$out .= &tab . ")";
	72	}
7b8d334a	73	elsif ($_ eq 'follow') {
	74	$stat = 'stat';
	75	$decl = '%already_seen = ();';
	76	$out .= &tab . '(not $already_seen{"$dev,$ino"}) &&';
	77	$out .= "\n" . &tab . '(($already_seen{"$dev,$ino"} = !(-d _)) \|\| 1)';
	78	}
fe14fcc3	79	elsif ($_ eq '!') {
	80	$out .= &tab . "!";
	81	next;
	82	}
	83	elsif ($_ eq 'name') {
	84	$out .= &tab;
	85	$pat = &fileglob_to_re(shift);
	86	$out .= '/' . $pat . "/";
	87	}
	88	elsif ($_ eq 'perm') {
	89	$onum = shift;
	90	die "Malformed -perm argument: $onum\n" unless $onum =~ /^-?[0-7]+$/;
	91	if ($onum =~ s/^-//) {
	92	$onum = '0' . sprintf("%o", oct($onum) & 017777); # s/b 07777 ?
e334a159	93	$out .= &tab . "((\$mode & $onum) == $onum)";
fe14fcc3	94	}
	95	else {
	96	$onum = '0' . $onum unless $onum =~ /^0/;
e334a159	97	$out .= &tab . "((\$mode & 0777) == $onum)";
fe14fcc3	98	}
	99	}
	100	elsif ($_ eq 'type') {
	101	($filetest = shift) =~ tr/s/S/;
	102	$out .= &tab . "-$filetest _";
	103	}
	104	elsif ($_ eq 'print') {
	105	$out .= &tab . 'print("$name\n")';
	106	}
	107	elsif ($_ eq 'print0') {
	108	$out .= &tab . 'print("$name\0")';
	109	}
	110	elsif ($_ eq 'fstype') {
	111	$out .= &tab;
	112	$type = shift;
	113	if ($type eq 'nfs')
79072805	114	{ $out .= '($dev < 0)'; }
fe14fcc3	115	else
79072805	116	{ $out .= '($dev >= 0)'; }
fe14fcc3	117	}
	118	elsif ($_ eq 'user') {
	119	$uname = shift;
79072805	120	$out .= &tab . "(\$uid == \$uid{'$uname'})";
fe14fcc3	121	$inituser++;
	122	}
	123	elsif ($_ eq 'group') {
	124	$gname = shift;
79072805	125	$out .= &tab . "(\$gid == \$gid{'$gname'})";
fe14fcc3	126	$initgroup++;
	127	}
	128	elsif ($_ eq 'nouser') {
	129	$out .= &tab . '!defined $uid{$uid}';
	130	$inituser++;
	131	}
	132	elsif ($_ eq 'nogroup') {
	133	$out .= &tab . '!defined $gid{$gid}';
	134	$initgroup++;
	135	}
	136	elsif ($_ eq 'links') {
79072805	137	$out .= &tab . '($nlink ' . &n(shift);
fe14fcc3	138	}
fe14fcc3	139	elsif ($_ eq 'inum') {
79072805	140	$out .= &tab . '($ino ' . &n(shift);
fe14fcc3	141	}
fe14fcc3	142	elsif ($_ eq 'size') {
9d6e9d4d	143	$_ = shift;
	144	if (s/c$//) {
	145	$out .= &tab . '(int(-s _) ' . &n($_);
	146	} else {
	147	$out .= &tab . '(int(((-s _) + 511) / 512) ' . &n($_);
	148	}
fe14fcc3	149	}
fe14fcc3	150	elsif ($_ eq 'atime') {
79072805	151	$out .= &tab . '(int(-A _) ' . &n(shift);
fe14fcc3	152	}
fe14fcc3	153	elsif ($_ eq 'mtime') {
79072805	154	$out .= &tab . '(int(-M _) ' . &n(shift);
fe14fcc3	155	}
fe14fcc3	156	elsif ($_ eq 'ctime') {
79072805	157	$out .= &tab . '(int(-C _) ' . &n(shift);
fe14fcc3	158	}
	159	elsif ($_ eq 'exec') {
	160	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	161	shift;
6e21c824	162	$_ = "@cmd";
	163	if (m#^(/bin/)?rm -f {}$#) {
	164	if (!@ARGV) {
	165	$out .= &tab . 'unlink($_)';
	166	}
	167	else {
	168	$out .= &tab . '(unlink($_) \|\| 1)';
	169	}
	170	}
	171	elsif (m#^(/bin/)?rm {}$#) {
	172	$out .= &tab . '(unlink($_) \|\| warn "$name: $!\n")';
	173	}
	174	else {
	175	for (@cmd) { s/'/\\'/g; }
	176	$" = "','";
	177	$out .= &tab . "&exec(0, '@cmd')";
	178	$" = ' ';
	179	$initexec++;
	180	}
fe14fcc3	181	}
	182	elsif ($_ eq 'ok') {
	183	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	184	shift;
	185	for (@cmd) { s/'/\\'/g; }
	186	$" = "','";
	187	$out .= &tab . "&exec(1, '@cmd')";
	188	$" = ' ';
	189	$initexec++;
	190	}
	191	elsif ($_ eq 'prune') {
	192	$out .= &tab . '($prune = 1)';
	193	}
	194	elsif ($_ eq 'xdev') {
a0d0e21e	195	$out .= &tab . '!($prune \|= ($dev != $topdev))';
fe14fcc3	196	}
	197	elsif ($_ eq 'newer') {
	198	$out .= &tab;
	199	$file = shift;
	200	$newername = 'AGE_OF' . $file;
	201	$newername =~ s/[^\w]/_/g;
7b8d334a	202	$newername = "\$$newername";
79072805	203	$out .= "(-M _ < $newername)";
fe14fcc3	204	$initnewer .= "$newername = -M " . &quote($file) . ";\n";
	205	}
	206	elsif ($_ eq 'eval') {
	207	$prog = &quote(shift);
	208	$out .= &tab . "eval $prog";
	209	}
	210	elsif ($_ eq 'depth') {
	211	$depth++;
	212	next;
	213	}
	214	elsif ($_ eq 'ls') {
	215	$out .= &tab . "&ls";
	216	$initls++;
	217	}
	218	elsif ($_ eq 'tar') {
	219	$out .= &tab;
	220	die "-tar must have a filename argument\n" unless @ARGV;
	221	$file = shift;
	222	$fh = 'FH' . $file;
	223	$fh =~ s/[^\w]/_/g;
	224	$out .= "&tar($fh)";
	225	$file = '>' . $file;
	226	$initfile .= "open($fh, " . &quote($file) .
	227	qq{) \|\| die "Can't open $fh: \$!\\n";\n};
	228	$inittar++;
	229	$flushall = "\n&tflushall;\n";
	230	}
	231	elsif (/^n?cpio$/) {
	232	$depth++;
	233	$out .= &tab;
	234	die "-$_ must have a filename argument\n" unless @ARGV;
	235	$file = shift;
	236	$fh = 'FH' . $file;
	237	$fh =~ s/[^\w]/_/g;
	238	$out .= "&cpio('" . substr($_,0,1) . "', $fh)";
	239	$file = '>' . $file;
	240	$initfile .= "open($fh, " . &quote($file) .
	241	qq{) \|\| die "Can't open $fh: \$!\\n";\n};
	242	$initcpio++;
	243	$flushall = "\n&flushall;\n";
	244	}
	245	else {
	246	die "Unrecognized switch: -$_\n";
	247	}
	248	if (@ARGV) {
	249	if ($ARGV[0] eq '-o') {
6e21c824	250	{ local($statdone) = 1; $out .= "\n" . &tab . "\|\|\n"; }
1c3d792e	251	$statdone = 0 if $indent == 1 && $delayedstat;
1c3d792e	252	$saw_or++;
fe14fcc3	253	shift;
	254	}
	255	else {
	256	$out .= " &&" unless $ARGV[0] eq ')';
	257	$out .= "\n";
	258	shift if $ARGV[0] eq '-a';
	259	}
	260	}
	261	}
	262
	263	print <<"END";
4633a7c4	264	$startperl
5f05dabc	265	eval 'exec $perlpath -S \$0 \${1+"\$@"}'
8adcabd8	266	if \$running_under_some_shell;
8adcabd8	267
fe14fcc3	268	END
	269
	270	if ($initls) {
	271	print <<'END';
	272	@rwx = ('---','--x','-w-','-wx','r--','r-x','rw-','rwx');
	273	@moname = (Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec);
	274
	275	END
	276	}
	277
	278	if ($inituser \|\| $initls) {
	279	print 'while (($name, $pw, $uid) = getpwent) {', "\n";
	280	print ' $uid{$name} = $uid{$uid} = $uid;', "\n" if $inituser;
	281	print ' $user{$uid} = $name unless $user{$uid};', "\n" if $initls;
	282	print "}\n\n";
	283	}
	284
	285	if ($initgroup \|\| $initls) {
	286	print 'while (($name, $pw, $gid) = getgrent) {', "\n";
	287	print ' $gid{$name} = $gid{$gid} = $gid;', "\n" if $initgroup;
	288	print ' $group{$gid} = $name unless $group{$gid};', "\n" if $initls;
	289	print "}\n\n";
	290	}
	291
	292	print $initnewer, "\n" if $initnewer;
	293
	294	print $initfile, "\n" if $initfile;
	295
6e21c824	296	$find = $depth ? "finddepth" : "find";
fe14fcc3	297	print <<"END";
6e21c824	298	require "$find.pl";
6e21c824	299
fe14fcc3	300	# Traverse desired filesystems
fe14fcc3	301
7b8d334a	302	$decl
6e21c824	303	&$find($roots);
fe14fcc3	304	$flushall
fe14fcc3	305	exit;
fe14fcc3	306	sub wanted {
	307	$out;
	308	}
	309
	310	END
	311
fe14fcc3	312	if ($initexec) {
	313	print <<'END';
	314	sub exec {
	315	local($ok, @cmd) = @_;
	316	foreach $word (@cmd) {
	317	$word =~ s#{}#$name#g;
	318	}
	319	if ($ok) {
	320	local($old) = select(STDOUT);
	321	$\| = 1;
	322	print "@cmd";
	323	select($old);
	324	return 0 unless <STDIN> =~ /^y/;
	325	}
	326	chdir $cwd; # sigh
	327	system @cmd;
	328	chdir $dir;
	329	return !$?;
	330	}
	331
	332	END
	333	}
	334
	335	if ($initls) {
7b8d334a	336	print <<"INTERP", <<'END';
fe14fcc3	337	sub ls {
7b8d334a	338	(\$dev,\$ino,\$mode,\$nlink,\$uid,\$gid,\$rdev,\$sizemm,
	339	\$atime,\$mtime,\$ctime,\$blksize,\$blocks) = $stat\(_\);
	340	INTERP
fe14fcc3	341
	342	$pname = $name;
	343
	344	if (defined $blocks) {
	345	$blocks = int(($blocks + 1) / 2);
	346	}
	347	else {
	348	$blocks = int(($size + 1023) / 1024);
	349	}
	350
	351	if (-f _) { $perms = '-'; }
	352	elsif (-d _) { $perms = 'd'; }
	353	elsif (-c _) { $perms = 'c'; $sizemm = &sizemm; }
	354	elsif (-b _) { $perms = 'b'; $sizemm = &sizemm; }
	355	elsif (-p _) { $perms = 'p'; }
	356	elsif (-S _) { $perms = 's'; }
	357	else { $perms = 'l'; $pname .= ' -> ' . readlink($_); }
	358
	359	$tmpmode = $mode;
	360	$tmp = $rwx[$tmpmode & 7];
	361	$tmpmode >>= 3;
	362	$tmp = $rwx[$tmpmode & 7] . $tmp;
	363	$tmpmode >>= 3;
	364	$tmp = $rwx[$tmpmode & 7] . $tmp;
	365	substr($tmp,2,1) =~ tr/-x/Ss/ if -u _;
	366	substr($tmp,5,1) =~ tr/-x/Ss/ if -g _;
	367	substr($tmp,8,1) =~ tr/-x/Tt/ if -k _;
	368	$perms .= $tmp;
	369
	370	$user = $user{$uid} \|\| $uid;
	371	$group = $group{$gid} \|\| $gid;
	372
	373	($sec,$min,$hour,$mday,$mon,$year) = localtime($mtime);
	374	$moname = $moname[$mon];
	375	if (-M _ > 365.25 / 2) {
93a17b20	376	$timeyear = $year + 1900;
fe14fcc3	377	}
	378	else {
	379	$timeyear = sprintf("%02d:%02d", $hour, $min);
	380	}
	381
	382	printf "%5lu %4ld %-10s %2d %-8s %-8s %8s %s %2d %5s %s\n",
	383	$ino,
	384	$blocks,
	385	$perms,
	386	$nlink,
	387	$user,
	388	$group,
	389	$sizemm,
	390	$moname,
	391	$mday,
	392	$timeyear,
	393	$pname;
	394	1;
	395	}
	396
	397	sub sizemm {
	398	sprintf("%3d, %3d", ($rdev >> 8) & 255, $rdev & 255);
	399	}
	400
	401	END
	402	}
	403
	404	if ($initcpio) {
7b8d334a	405	print <<'START', <<"INTERP", <<'END';
fe14fcc3	406	sub cpio {
	407	local($nc,$fh) = @_;
	408	local($text);
	409
	410	if ($name eq 'TRAILER!!!') {
	411	$text = '';
	412	$size = 0;
	413	}
	414	else {
7b8d334a	415	START
	416	(\$dev,\$ino,\$mode,\$nlink,\$uid,\$gid,\$rdev,\$size,
	417	\$atime,\$mtime,\$ctime,\$blksize,\$blocks) = $stat\(_\);
	418	INTERP
fe14fcc3	419	if (-f _) {
99b89507	420	open(IN, "./$_\0") \|\| do {
fe14fcc3	421	warn "Couldn't open $name: $!\n";
	422	return;
	423	};
	424	}
	425	else {
	426	$text = readlink($_);
	427	$size = 0 unless defined $text;
	428	}
	429	}
	430
	431	($nm = $name) =~ s#^\./##;
	432	$nc{$fh} = $nc;
	433	if ($nc eq 'n') {
	434	$cpout{$fh} .=
	435	sprintf("%06o%06o%06o%06o%06o%06o%06o%06o%011lo%06o%011lo%s\0",
	436	070707,
	437	$dev & 0777777,
	438	$ino & 0777777,
	439	$mode & 0777777,
	440	$uid & 0777777,
	441	$gid & 0777777,
	442	$nlink & 0777777,
	443	$rdev & 0177777,
	444	$mtime,
	445	length($nm)+1,
	446	$size,
	447	$nm);
	448	}
	449	else {
	450	$cpout{$fh} .= "\0" if length($cpout{$fh}) & 1;
	451	$cpout{$fh} .= pack("SSSSSSSSLSLa*",
	452	070707, $dev, $ino, $mode, $uid, $gid, $nlink, $rdev, $mtime,
	453	length($nm)+1, $size, $nm . (length($nm) & 1 ? "\0" : "\0\0"));
	454	}
	455	if ($text ne '') {
	456	$cpout{$fh} .= $text;
	457	}
	458	elsif ($size) {
	459	&flush($fh) while ($l = length($cpout{$fh})) >= 5120;
	460	while (sysread(IN, $cpout{$fh}, 5120 - $l, $l)) {
	461	&flush($fh);
	462	$l = length($cpout{$fh});
	463	}
	464	}
	465	close IN;
	466	}
	467
	468	sub flush {
	469	local($fh) = @_;
	470
	471	while (length($cpout{$fh}) >= 5120) {
	472	syswrite($fh,$cpout{$fh},5120);
	473	++$blocks{$fh};
	474	substr($cpout{$fh}, 0, 5120) = '';
	475	}
	476	}
	477
	478	sub flushall {
	479	$name = 'TRAILER!!!';
	480	foreach $fh (keys %cpout) {
	481	&cpio($nc{$fh},$fh);
	482	$cpout{$fh} .= "0" x (5120 - length($cpout{$fh}));
	483	&flush($fh);
	484	print $blocks{$fh} * 10, " blocks\n";
485	}
486	}
487
488	END
489	}
490
491	if ($inittar) {
7b8d334a	492	print <<'START', <<"INTERP", <<'END';
fe14fcc3	493	sub tar {
	494	local($fh) = @_;
	495	local($linkname,$header,$l,$slop);
	496	local($linkflag) = "\0";
	497
7b8d334a	498	START
	499	(\$dev,\$ino,\$mode,\$nlink,\$uid,\$gid,\$rdev,\$size,
	500	\$atime,\$mtime,\$ctime,\$blksize,\$blocks) = $stat\(_\);
	501	INTERP
fe14fcc3	502	$nm = $name;
	503	if ($nlink > 1) {
	504	if ($linkname = $linkseen{$fh,$dev,$ino}) {
	505	$linkflag = 1;
	506	}
	507	else {
	508	$linkseen{$fh,$dev,$ino} = $nm;
	509	}
	510	}
	511	if (-f _) {
99b89507	512	open(IN, "./$_\0") \|\| do {
fe14fcc3	513	warn "Couldn't open $name: $!\n";
	514	return;
	515	};
	516	$size = 0 if $linkflag ne "\0";
	517	}
	518	else {
	519	$linkname = readlink($_);
	520	$linkflag = 2 if defined $linkname;
	521	$nm .= '/' if -d _;
	522	$size = 0;
	523	}
	524
	525	$header = pack("a100a8a8a8a12a12a8a1a100",
	526	$nm,
	527	sprintf("%6o ", $mode & 0777),
	528	sprintf("%6o ", $uid & 0777777),
	529	sprintf("%6o ", $gid & 0777777),
	530	sprintf("%11o ", $size),
	531	sprintf("%11o ", $mtime),
	532	" ",
	533	$linkflag,
	534	$linkname);
	535	$l = length($header) % 512;
	536	substr($header, 148, 6) = sprintf("%6o", unpack("%16C*", $header));
	537	substr($header, 154, 1) = "\0"; # blech
	538	$tarout{$fh} .= $header;
	539	$tarout{$fh} .= "\0" x (512 - $l) if $l;
	540	if ($size) {
	541	&tflush($fh) while ($l = length($tarout{$fh})) >= 10240;
	542	while (sysread(IN, $tarout{$fh}, 10240 - $l, $l)) {
	543	$slop = length($tarout{$fh}) % 512;
	544	$tarout{$fh} .= "\0" x (512 - $slop) if $slop;
	545	&tflush($fh);
	546	$l = length($tarout{$fh});
	547	}
	548	}
	549	close IN;
	550	}
	551
	552	sub tflush {
	553	local($fh) = @_;
	554
	555	while (length($tarout{$fh}) >= 10240) {
	556	syswrite($fh,$tarout{$fh},10240);
	557	++$blocks{$fh};
	558	substr($tarout{$fh}, 0, 10240) = '';
	559	}
	560	}
	561
	562	sub tflushall {
	563	local($len);
	564
	565	foreach $fh (keys %tarout) {
	566	$len = 10240 - length($tarout{$fh});
	567	$len += 10240 if $len < 1024;
	568	$tarout{$fh} .= "\0" x $len;
	569	&tflush($fh);
	570	}
	571	}
	572
	573	END
	574	}
	575
	576	exit;
577
578	############################################################################
579
580	sub tab {
581	local($tabstring);
582
583	$tabstring = "\t" x ($indent / 2) . ' ' x ($indent % 2 * 4);
1c3d792e	584	if (!$statdone) {
8adcabd8	585	if ($_ =~ /^(name\|print\|prune\|exec\|ok\|\(\|\))/) {
1c3d792e	586	$delayedstat++;
	587	}
	588	else {
	589	if ($saw_or) {
7b8d334a	590	$tabstring .= <<"ENDOFSTAT" . $tabstring;
7b8d334a	591	(\$nlink \|\| ((\$dev,\$ino,\$mode,\$nlink,\$uid,\$gid) = $stat\(\$_\))) &&
1c3d792e	592	ENDOFSTAT
	593	}
	594	else {
7b8d334a	595	$tabstring .= <<"ENDOFSTAT" . $tabstring;
7b8d334a	596	((\$dev,\$ino,\$mode,\$nlink,\$uid,\$gid) = $stat\(\$_\)) &&
fe14fcc3	597	ENDOFSTAT
1c3d792e	598	}
fe14fcc3	599	$statdone = 1;
	600	}
	601	}
	602	$tabstring =~ s/^\s+/ / if $out =~ /!$/;
	603	$tabstring;
	604	}
	605
	606	sub fileglob_to_re {
	607	local($tmp) = @_;
	608
79072805	609	$tmp =~ s#([./^\$()])#\\$1#g;
fe14fcc3	610	$tmp =~ s/([?*])/.$1/g;
8990e307	611	"^$tmp\$";
fe14fcc3	612	}
	613
	614	sub n {
	615	local($n) = @_;
	616
1c3d792e	617	$n =~ s/^-/< / \|\| $n =~ s/^\+/> / \|\| $n =~ s/^/== /;
1c3d792e	618	$n =~ s/ 0*(\d)/ $1/;
79072805	619	$n . ')';
fe14fcc3	620	}
	621
	622	sub quote {
	623	local($string) = @_;
	624	$string =~ s/'/\\'/;
	625	"'$string'";
	626	}
	627	!NO!SUBS!
4633a7c4	628
	629	close OUT or die "Can't close $file: $!";
	630	chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
	631	exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';
8a5546a1	632	chdir $origdir;