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

#!/usr/local/bin/perl

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

# 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.
chdir dirname($0);
$file = basename($0, '.PL');

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

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

$indent = 1;

while (@ARGV) {
    $_ = shift;
    s/^-// || /^[()!]/ || die "Unrecognized switch: $_\n";
    if ($_ eq '(') {
	$out .= &tab . "(\n";
	$indent++;
	next;
    }
    elsif ($_ eq ')') {
	$indent--;
	$out .= &tab . ")";
    }
    elsif ($_ 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') {
	$out .= &tab . '(int(((-s _) + 511) / 512) ' . &n(shift);
    }
    elsif ($_ 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

&$find($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 ($initls) {
    print <<'END';
sub ls {
    ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$sizemm,
      $atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);

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

    if ($name eq 'TRAILER!!!') {
	$text = '';
	$size = 0;
    }
    else {
	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
	  $atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
	if (-f _) {
	    open(IN, "./$_\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 ($inittar) {
print <<'END';
sub tar {
    local($fh) = @_;
    local($linkname,$header,$l,$slop);
    local($linkflag) = "\0";

    ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
      $atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
    $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) = lstat($_))) &&
ENDOFSTAT
	    }
	    else {
		$tabstring .= <<'ENDOFSTAT' . $tabstring;
(($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&
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 ':';
Commit	Line	Data
4633a7c4	1	#!/usr/local/bin/perl
	2
	3	use Config;
	4	use File::Basename qw(&basename &dirname);
	5
	6	# List explicitly here the variables you want Configure to
	7	# generate. Metaconfig only looks for shell variables, so you
	8	# have to mention them as if they were shell variables, not
	9	# %Config entries. Thus you write
	10	# $startperl
	11	# to ensure Configure will look for $Config{startperl}.
	12
	13	# This forces PL files to create target in same directory as PL file.
	14	# This is so that make depend always knows where to find PL derivatives.
44a8e56a	15	chdir dirname($0);
44a8e56a	16	$file = basename($0, '.PL');
4633a7c4	17
	18	open OUT,">$file" or die "Can't create $file: $!";
	19
	20	print "Extracting $file (with variable substitutions)\n";
	21
	22	# In this section, perl variables will be expanded during extraction.
	23	# You can use $Config{...} to use Configure variables.
	24
	25	print OUT <<"!GROK!THIS!";
5f05dabc	26	$Config{startperl}
	27	eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
	28	if \$running_under_some_shell;
f70b6ff5	29	\$startperl = "$Config{startperl}";
5f05dabc	30	\$perlpath = "$Config{perlpath}";
4633a7c4	31	!GROK!THIS!
	32
	33	# In the following, perl variables are not expanded during extraction.
	34
	35	print OUT <<'!NO!SUBS!';
93a17b20	36	#
	37	# Modified September 26, 1993 to provide proper handling of years after 1999
	38	# Tom Link <tml+@pitt.edu>
	39	# University of Pittsburgh
fe14fcc3	40
fe14fcc3	41	while ($ARGV[0] =~ /^[^-!(]/) {
	42	push(@roots, shift);
	43	}
	44	@roots = ('.') unless @roots;
	45	for (@roots) { $_ = &quote($_); }
	46	$roots = join(',', @roots);
	47
	48	$indent = 1;
	49
	50	while (@ARGV) {
	51	$_ = shift;
	52	s/^-// \|\| /^[()!]/ \|\| die "Unrecognized switch: $_\n";
	53	if ($_ eq '(') {
	54	$out .= &tab . "(\n";
	55	$indent++;
	56	next;
	57	}
	58	elsif ($_ eq ')') {
	59	$indent--;
	60	$out .= &tab . ")";
	61	}
	62	elsif ($_ eq '!') {
	63	$out .= &tab . "!";
	64	next;
	65	}
	66	elsif ($_ eq 'name') {
	67	$out .= &tab;
	68	$pat = &fileglob_to_re(shift);
	69	$out .= '/' . $pat . "/";
	70	}
	71	elsif ($_ eq 'perm') {
	72	$onum = shift;
	73	die "Malformed -perm argument: $onum\n" unless $onum =~ /^-?[0-7]+$/;
	74	if ($onum =~ s/^-//) {
	75	$onum = '0' . sprintf("%o", oct($onum) & 017777); # s/b 07777 ?
e334a159	76	$out .= &tab . "((\$mode & $onum) == $onum)";
fe14fcc3	77	}
	78	else {
	79	$onum = '0' . $onum unless $onum =~ /^0/;
e334a159	80	$out .= &tab . "((\$mode & 0777) == $onum)";
fe14fcc3	81	}
	82	}
	83	elsif ($_ eq 'type') {
	84	($filetest = shift) =~ tr/s/S/;
	85	$out .= &tab . "-$filetest _";
	86	}
	87	elsif ($_ eq 'print') {
	88	$out .= &tab . 'print("$name\n")';
	89	}
	90	elsif ($_ eq 'print0') {
	91	$out .= &tab . 'print("$name\0")';
	92	}
	93	elsif ($_ eq 'fstype') {
	94	$out .= &tab;
	95	$type = shift;
	96	if ($type eq 'nfs')
79072805	97	{ $out .= '($dev < 0)'; }
fe14fcc3	98	else
79072805	99	{ $out .= '($dev >= 0)'; }
fe14fcc3	100	}
	101	elsif ($_ eq 'user') {
	102	$uname = shift;
79072805	103	$out .= &tab . "(\$uid == \$uid{'$uname'})";
fe14fcc3	104	$inituser++;
	105	}
	106	elsif ($_ eq 'group') {
	107	$gname = shift;
79072805	108	$out .= &tab . "(\$gid == \$gid{'$gname'})";
fe14fcc3	109	$initgroup++;
	110	}
	111	elsif ($_ eq 'nouser') {
	112	$out .= &tab . '!defined $uid{$uid}';
	113	$inituser++;
	114	}
	115	elsif ($_ eq 'nogroup') {
	116	$out .= &tab . '!defined $gid{$gid}';
	117	$initgroup++;
	118	}
	119	elsif ($_ eq 'links') {
79072805	120	$out .= &tab . '($nlink ' . &n(shift);
fe14fcc3	121	}
fe14fcc3	122	elsif ($_ eq 'inum') {
79072805	123	$out .= &tab . '($ino ' . &n(shift);
fe14fcc3	124	}
fe14fcc3	125	elsif ($_ eq 'size') {
463ee0b2	126	$out .= &tab . '(int(((-s _) + 511) / 512) ' . &n(shift);
fe14fcc3	127	}
fe14fcc3	128	elsif ($_ eq 'atime') {
79072805	129	$out .= &tab . '(int(-A _) ' . &n(shift);
fe14fcc3	130	}
fe14fcc3	131	elsif ($_ eq 'mtime') {
79072805	132	$out .= &tab . '(int(-M _) ' . &n(shift);
fe14fcc3	133	}
fe14fcc3	134	elsif ($_ eq 'ctime') {
79072805	135	$out .= &tab . '(int(-C _) ' . &n(shift);
fe14fcc3	136	}
	137	elsif ($_ eq 'exec') {
	138	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	139	shift;
6e21c824	140	$_ = "@cmd";
	141	if (m#^(/bin/)?rm -f {}$#) {
	142	if (!@ARGV) {
	143	$out .= &tab . 'unlink($_)';
	144	}
	145	else {
	146	$out .= &tab . '(unlink($_) \|\| 1)';
	147	}
	148	}
	149	elsif (m#^(/bin/)?rm {}$#) {
	150	$out .= &tab . '(unlink($_) \|\| warn "$name: $!\n")';
	151	}
	152	else {
	153	for (@cmd) { s/'/\\'/g; }
	154	$" = "','";
	155	$out .= &tab . "&exec(0, '@cmd')";
	156	$" = ' ';
	157	$initexec++;
	158	}
fe14fcc3	159	}
	160	elsif ($_ eq 'ok') {
	161	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	162	shift;
	163	for (@cmd) { s/'/\\'/g; }
	164	$" = "','";
	165	$out .= &tab . "&exec(1, '@cmd')";
	166	$" = ' ';
	167	$initexec++;
	168	}
	169	elsif ($_ eq 'prune') {
	170	$out .= &tab . '($prune = 1)';
	171	}
	172	elsif ($_ eq 'xdev') {
a0d0e21e	173	$out .= &tab . '!($prune \|= ($dev != $topdev))';
fe14fcc3	174	}
	175	elsif ($_ eq 'newer') {
	176	$out .= &tab;
	177	$file = shift;
	178	$newername = 'AGE_OF' . $file;
	179	$newername =~ s/[^\w]/_/g;
	180	$newername = '$' . $newername;
79072805	181	$out .= "(-M _ < $newername)";
fe14fcc3	182	$initnewer .= "$newername = -M " . &quote($file) . ";\n";
	183	}
	184	elsif ($_ eq 'eval') {
	185	$prog = &quote(shift);
	186	$out .= &tab . "eval $prog";
	187	}
	188	elsif ($_ eq 'depth') {
	189	$depth++;
	190	next;
	191	}
	192	elsif ($_ eq 'ls') {
	193	$out .= &tab . "&ls";
	194	$initls++;
	195	}
	196	elsif ($_ eq 'tar') {
	197	$out .= &tab;
	198	die "-tar must have a filename argument\n" unless @ARGV;
	199	$file = shift;
	200	$fh = 'FH' . $file;
	201	$fh =~ s/[^\w]/_/g;
	202	$out .= "&tar($fh)";
	203	$file = '>' . $file;
	204	$initfile .= "open($fh, " . &quote($file) .
	205	qq{) \|\| die "Can't open $fh: \$!\\n";\n};
	206	$inittar++;
	207	$flushall = "\n&tflushall;\n";
	208	}
	209	elsif (/^n?cpio$/) {
	210	$depth++;
	211	$out .= &tab;
	212	die "-$_ must have a filename argument\n" unless @ARGV;
	213	$file = shift;
	214	$fh = 'FH' . $file;
	215	$fh =~ s/[^\w]/_/g;
	216	$out .= "&cpio('" . substr($_,0,1) . "', $fh)";
	217	$file = '>' . $file;
	218	$initfile .= "open($fh, " . &quote($file) .
	219	qq{) \|\| die "Can't open $fh: \$!\\n";\n};
	220	$initcpio++;
	221	$flushall = "\n&flushall;\n";
	222	}
	223	else {
	224	die "Unrecognized switch: -$_\n";
	225	}
	226	if (@ARGV) {
	227	if ($ARGV[0] eq '-o') {
6e21c824	228	{ local($statdone) = 1; $out .= "\n" . &tab . "\|\|\n"; }
1c3d792e	229	$statdone = 0 if $indent == 1 && $delayedstat;
1c3d792e	230	$saw_or++;
fe14fcc3	231	shift;
	232	}
	233	else {
	234	$out .= " &&" unless $ARGV[0] eq ')';
	235	$out .= "\n";
	236	shift if $ARGV[0] eq '-a';
	237	}
	238	}
	239	}
	240
	241	print <<"END";
4633a7c4	242	$startperl
5f05dabc	243	eval 'exec $perlpath -S \$0 \${1+"\$@"}'
8adcabd8	244	if \$running_under_some_shell;
8adcabd8	245
fe14fcc3	246	END
	247
	248	if ($initls) {
	249	print <<'END';
	250	@rwx = ('---','--x','-w-','-wx','r--','r-x','rw-','rwx');
	251	@moname = (Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec);
	252
	253	END
	254	}
	255
	256	if ($inituser \|\| $initls) {
	257	print 'while (($name, $pw, $uid) = getpwent) {', "\n";
	258	print ' $uid{$name} = $uid{$uid} = $uid;', "\n" if $inituser;
	259	print ' $user{$uid} = $name unless $user{$uid};', "\n" if $initls;
	260	print "}\n\n";
	261	}
	262
	263	if ($initgroup \|\| $initls) {
	264	print 'while (($name, $pw, $gid) = getgrent) {', "\n";
	265	print ' $gid{$name} = $gid{$gid} = $gid;', "\n" if $initgroup;
	266	print ' $group{$gid} = $name unless $group{$gid};', "\n" if $initls;
	267	print "}\n\n";
	268	}
	269
	270	print $initnewer, "\n" if $initnewer;
	271
	272	print $initfile, "\n" if $initfile;
	273
6e21c824	274	$find = $depth ? "finddepth" : "find";
fe14fcc3	275	print <<"END";
6e21c824	276	require "$find.pl";
6e21c824	277
fe14fcc3	278	# Traverse desired filesystems
fe14fcc3	279
6e21c824	280	&$find($roots);
fe14fcc3	281	$flushall
	282	exit;
	283
	284	sub wanted {
	285	$out;
	286	}
	287
	288	END
	289
fe14fcc3	290	if ($initexec) {
	291	print <<'END';
	292	sub exec {
	293	local($ok, @cmd) = @_;
	294	foreach $word (@cmd) {
	295	$word =~ s#{}#$name#g;
	296	}
	297	if ($ok) {
	298	local($old) = select(STDOUT);
	299	$\| = 1;
	300	print "@cmd";
	301	select($old);
	302	return 0 unless <STDIN> =~ /^y/;
	303	}
	304	chdir $cwd; # sigh
	305	system @cmd;
	306	chdir $dir;
	307	return !$?;
	308	}
	309
	310	END
	311	}
	312
	313	if ($initls) {
	314	print <<'END';
	315	sub ls {
	316	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$sizemm,
	317	$atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
	318
	319	$pname = $name;
	320
	321	if (defined $blocks) {
	322	$blocks = int(($blocks + 1) / 2);
	323	}
	324	else {
	325	$blocks = int(($size + 1023) / 1024);
	326	}
	327
	328	if (-f _) { $perms = '-'; }
	329	elsif (-d _) { $perms = 'd'; }
	330	elsif (-c _) { $perms = 'c'; $sizemm = &sizemm; }
	331	elsif (-b _) { $perms = 'b'; $sizemm = &sizemm; }
	332	elsif (-p _) { $perms = 'p'; }
	333	elsif (-S _) { $perms = 's'; }
	334	else { $perms = 'l'; $pname .= ' -> ' . readlink($_); }
	335
	336	$tmpmode = $mode;
	337	$tmp = $rwx[$tmpmode & 7];
	338	$tmpmode >>= 3;
	339	$tmp = $rwx[$tmpmode & 7] . $tmp;
	340	$tmpmode >>= 3;
	341	$tmp = $rwx[$tmpmode & 7] . $tmp;
	342	substr($tmp,2,1) =~ tr/-x/Ss/ if -u _;
	343	substr($tmp,5,1) =~ tr/-x/Ss/ if -g _;
	344	substr($tmp,8,1) =~ tr/-x/Tt/ if -k _;
	345	$perms .= $tmp;
	346
	347	$user = $user{$uid} \|\| $uid;
	348	$group = $group{$gid} \|\| $gid;
	349
	350	($sec,$min,$hour,$mday,$mon,$year) = localtime($mtime);
	351	$moname = $moname[$mon];
	352	if (-M _ > 365.25 / 2) {
93a17b20	353	$timeyear = $year + 1900;
fe14fcc3	354	}
	355	else {
	356	$timeyear = sprintf("%02d:%02d", $hour, $min);
	357	}
	358
	359	printf "%5lu %4ld %-10s %2d %-8s %-8s %8s %s %2d %5s %s\n",
	360	$ino,
	361	$blocks,
	362	$perms,
	363	$nlink,
	364	$user,
	365	$group,
	366	$sizemm,
	367	$moname,
	368	$mday,
	369	$timeyear,
	370	$pname;
	371	1;
	372	}
	373
	374	sub sizemm {
	375	sprintf("%3d, %3d", ($rdev >> 8) & 255, $rdev & 255);
	376	}
	377
	378	END
	379	}
	380
	381	if ($initcpio) {
	382	print <<'END';
	383	sub cpio {
	384	local($nc,$fh) = @_;
	385	local($text);
	386
	387	if ($name eq 'TRAILER!!!') {
	388	$text = '';
	389	$size = 0;
	390	}
	391	else {
	392	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
	393	$atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
	394	if (-f _) {
99b89507	395	open(IN, "./$_\0") \|\| do {
fe14fcc3	396	warn "Couldn't open $name: $!\n";
	397	return;
	398	};
	399	}
	400	else {
	401	$text = readlink($_);
	402	$size = 0 unless defined $text;
	403	}
	404	}
	405
	406	($nm = $name) =~ s#^\./##;
	407	$nc{$fh} = $nc;
	408	if ($nc eq 'n') {
	409	$cpout{$fh} .=
	410	sprintf("%06o%06o%06o%06o%06o%06o%06o%06o%011lo%06o%011lo%s\0",
	411	070707,
	412	$dev & 0777777,
	413	$ino & 0777777,
	414	$mode & 0777777,
	415	$uid & 0777777,
	416	$gid & 0777777,
	417	$nlink & 0777777,
	418	$rdev & 0177777,
	419	$mtime,
	420	length($nm)+1,
	421	$size,
	422	$nm);
	423	}
	424	else {
	425	$cpout{$fh} .= "\0" if length($cpout{$fh}) & 1;
	426	$cpout{$fh} .= pack("SSSSSSSSLSLa*",
	427	070707, $dev, $ino, $mode, $uid, $gid, $nlink, $rdev, $mtime,
	428	length($nm)+1, $size, $nm . (length($nm) & 1 ? "\0" : "\0\0"));
	429	}
	430	if ($text ne '') {
	431	$cpout{$fh} .= $text;
	432	}
	433	elsif ($size) {
	434	&flush($fh) while ($l = length($cpout{$fh})) >= 5120;
	435	while (sysread(IN, $cpout{$fh}, 5120 - $l, $l)) {
	436	&flush($fh);
	437	$l = length($cpout{$fh});
	438	}
	439	}
	440	close IN;
	441	}
	442
	443	sub flush {
	444	local($fh) = @_;
	445
	446	while (length($cpout{$fh}) >= 5120) {
	447	syswrite($fh,$cpout{$fh},5120);
	448	++$blocks{$fh};
	449	substr($cpout{$fh}, 0, 5120) = '';
	450	}
	451	}
	452
	453	sub flushall {
	454	$name = 'TRAILER!!!';
	455	foreach $fh (keys %cpout) {
	456	&cpio($nc{$fh},$fh);
	457	$cpout{$fh} .= "0" x (5120 - length($cpout{$fh}));
	458	&flush($fh);
	459	print $blocks{$fh} * 10, " blocks\n";
460	}
461	}
462
463	END
464	}
465
466	if ($inittar) {
467	print <<'END';
468	sub tar {
469	local($fh) = @_;
470	local($linkname,$header,$l,$slop);
471	local($linkflag) = "\0";
472
473	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
474	$atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
475	$nm = $name;
476	if ($nlink > 1) {
477	if ($linkname = $linkseen{$fh,$dev,$ino}) {
478	$linkflag = 1;
479	}
480	else {
481	$linkseen{$fh,$dev,$ino} = $nm;
482	}
483	}
484	if (-f _) {
99b89507	485	open(IN, "./$_\0") \|\| do {
fe14fcc3	486	warn "Couldn't open $name: $!\n";
	487	return;
	488	};
	489	$size = 0 if $linkflag ne "\0";
	490	}
	491	else {
	492	$linkname = readlink($_);
	493	$linkflag = 2 if defined $linkname;
	494	$nm .= '/' if -d _;
	495	$size = 0;
	496	}
	497
	498	$header = pack("a100a8a8a8a12a12a8a1a100",
	499	$nm,
	500	sprintf("%6o ", $mode & 0777),
	501	sprintf("%6o ", $uid & 0777777),
	502	sprintf("%6o ", $gid & 0777777),
	503	sprintf("%11o ", $size),
	504	sprintf("%11o ", $mtime),
	505	" ",
	506	$linkflag,
	507	$linkname);
	508	$l = length($header) % 512;
	509	substr($header, 148, 6) = sprintf("%6o", unpack("%16C*", $header));
	510	substr($header, 154, 1) = "\0"; # blech
	511	$tarout{$fh} .= $header;
	512	$tarout{$fh} .= "\0" x (512 - $l) if $l;
	513	if ($size) {
	514	&tflush($fh) while ($l = length($tarout{$fh})) >= 10240;
	515	while (sysread(IN, $tarout{$fh}, 10240 - $l, $l)) {
	516	$slop = length($tarout{$fh}) % 512;
	517	$tarout{$fh} .= "\0" x (512 - $slop) if $slop;
	518	&tflush($fh);
	519	$l = length($tarout{$fh});
	520	}
	521	}
	522	close IN;
	523	}
	524
	525	sub tflush {
	526	local($fh) = @_;
	527
	528	while (length($tarout{$fh}) >= 10240) {
	529	syswrite($fh,$tarout{$fh},10240);
	530	++$blocks{$fh};
	531	substr($tarout{$fh}, 0, 10240) = '';
	532	}
	533	}
	534
	535	sub tflushall {
	536	local($len);
	537
	538	foreach $fh (keys %tarout) {
	539	$len = 10240 - length($tarout{$fh});
	540	$len += 10240 if $len < 1024;
	541	$tarout{$fh} .= "\0" x $len;
	542	&tflush($fh);
	543	}
	544	}
	545
	546	END
	547	}
	548
	549	exit;
550
551	############################################################################
552
553	sub tab {
554	local($tabstring);
555
556	$tabstring = "\t" x ($indent / 2) . ' ' x ($indent % 2 * 4);
1c3d792e	557	if (!$statdone) {
8adcabd8	558	if ($_ =~ /^(name\|print\|prune\|exec\|ok\|\(\|\))/) {
1c3d792e	559	$delayedstat++;
	560	}
	561	else {
	562	if ($saw_or) {
	563	$tabstring .= <<'ENDOFSTAT' . $tabstring;
	564	($nlink \|\| (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_))) &&
	565	ENDOFSTAT
	566	}
	567	else {
	568	$tabstring .= <<'ENDOFSTAT' . $tabstring;
fe14fcc3	569	(($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&
fe14fcc3	570	ENDOFSTAT
1c3d792e	571	}
fe14fcc3	572	$statdone = 1;
	573	}
	574	}
	575	$tabstring =~ s/^\s+/ / if $out =~ /!$/;
	576	$tabstring;
	577	}
	578
	579	sub fileglob_to_re {
	580	local($tmp) = @_;
	581
79072805	582	$tmp =~ s#([./^\$()])#\\$1#g;
fe14fcc3	583	$tmp =~ s/([?*])/.$1/g;
8990e307	584	"^$tmp\$";
fe14fcc3	585	}
	586
	587	sub n {
	588	local($n) = @_;
	589
1c3d792e	590	$n =~ s/^-/< / \|\| $n =~ s/^\+/> / \|\| $n =~ s/^/== /;
1c3d792e	591	$n =~ s/ 0*(\d)/ $1/;
79072805	592	$n . ')';
fe14fcc3	593	}
	594
	595	sub quote {
	596	local($string) = @_;
	597	$string =~ s/'/\\'/;
	598	"'$string'";
	599	}
	600	!NO!SUBS!
4633a7c4	601
	602	close OUT or die "Can't close $file: $!";
	603	chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
	604	exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';