[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($0)) =~ s/\.PL$//;
$file =~ s/\.pl$//
	if ($Config{'osname'} eq 'VMS' or
	    $Config{'osname'} eq 'OS2');  # "case-forgiving"

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 perl -S \$0 "\$@"'
	if 0;
\$startperl = $Config{startperl};
!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 perl -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.
	15	chdir(dirname($0));
	16	($file = basename($0)) =~ s/\.PL$//;
	17	$file =~ s/\.pl$//
	18	if ($Config{'osname'} eq 'VMS' or
	19	$Config{'osname'} eq 'OS2'); # "case-forgiving"
	20
	21	open OUT,">$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!";
	29	$Config{'startperl'}
	30	eval 'exec perl -S \$0 "\$@"'
	31	if 0;
	32	\$startperl = $Config{startperl};
	33	!GROK!THIS!
	34
	35	# In the following, perl variables are not expanded during extraction.
	36
	37	print OUT <<'!NO!SUBS!';
93a17b20	38	#
	39	# Modified September 26, 1993 to provide proper handling of years after 1999
	40	# Tom Link <tml+@pitt.edu>
	41	# University of Pittsburgh
fe14fcc3	42
fe14fcc3	43	while ($ARGV[0] =~ /^[^-!(]/) {
	44	push(@roots, shift);
	45	}
	46	@roots = ('.') unless @roots;
	47	for (@roots) { $_ = &quote($_); }
	48	$roots = join(',', @roots);
	49
	50	$indent = 1;
	51
	52	while (@ARGV) {
	53	$_ = shift;
	54	s/^-// \|\| /^[()!]/ \|\| die "Unrecognized switch: $_\n";
	55	if ($_ eq '(') {
	56	$out .= &tab . "(\n";
	57	$indent++;
	58	next;
	59	}
	60	elsif ($_ eq ')') {
	61	$indent--;
	62	$out .= &tab . ")";
	63	}
	64	elsif ($_ eq '!') {
	65	$out .= &tab . "!";
	66	next;
	67	}
	68	elsif ($_ eq 'name') {
	69	$out .= &tab;
	70	$pat = &fileglob_to_re(shift);
	71	$out .= '/' . $pat . "/";
	72	}
	73	elsif ($_ eq 'perm') {
	74	$onum = shift;
	75	die "Malformed -perm argument: $onum\n" unless $onum =~ /^-?[0-7]+$/;
	76	if ($onum =~ s/^-//) {
	77	$onum = '0' . sprintf("%o", oct($onum) & 017777); # s/b 07777 ?
e334a159	78	$out .= &tab . "((\$mode & $onum) == $onum)";
fe14fcc3	79	}
	80	else {
	81	$onum = '0' . $onum unless $onum =~ /^0/;
e334a159	82	$out .= &tab . "((\$mode & 0777) == $onum)";
fe14fcc3	83	}
	84	}
	85	elsif ($_ eq 'type') {
	86	($filetest = shift) =~ tr/s/S/;
	87	$out .= &tab . "-$filetest _";
	88	}
	89	elsif ($_ eq 'print') {
	90	$out .= &tab . 'print("$name\n")';
	91	}
	92	elsif ($_ eq 'print0') {
	93	$out .= &tab . 'print("$name\0")';
	94	}
	95	elsif ($_ eq 'fstype') {
	96	$out .= &tab;
	97	$type = shift;
	98	if ($type eq 'nfs')
79072805	99	{ $out .= '($dev < 0)'; }
fe14fcc3	100	else
79072805	101	{ $out .= '($dev >= 0)'; }
fe14fcc3	102	}
	103	elsif ($_ eq 'user') {
	104	$uname = shift;
79072805	105	$out .= &tab . "(\$uid == \$uid{'$uname'})";
fe14fcc3	106	$inituser++;
	107	}
	108	elsif ($_ eq 'group') {
	109	$gname = shift;
79072805	110	$out .= &tab . "(\$gid == \$gid{'$gname'})";
fe14fcc3	111	$initgroup++;
	112	}
	113	elsif ($_ eq 'nouser') {
	114	$out .= &tab . '!defined $uid{$uid}';
	115	$inituser++;
	116	}
	117	elsif ($_ eq 'nogroup') {
	118	$out .= &tab . '!defined $gid{$gid}';
	119	$initgroup++;
	120	}
	121	elsif ($_ eq 'links') {
79072805	122	$out .= &tab . '($nlink ' . &n(shift);
fe14fcc3	123	}
fe14fcc3	124	elsif ($_ eq 'inum') {
79072805	125	$out .= &tab . '($ino ' . &n(shift);
fe14fcc3	126	}
fe14fcc3	127	elsif ($_ eq 'size') {
463ee0b2	128	$out .= &tab . '(int(((-s _) + 511) / 512) ' . &n(shift);
fe14fcc3	129	}
fe14fcc3	130	elsif ($_ eq 'atime') {
79072805	131	$out .= &tab . '(int(-A _) ' . &n(shift);
fe14fcc3	132	}
fe14fcc3	133	elsif ($_ eq 'mtime') {
79072805	134	$out .= &tab . '(int(-M _) ' . &n(shift);
fe14fcc3	135	}
fe14fcc3	136	elsif ($_ eq 'ctime') {
79072805	137	$out .= &tab . '(int(-C _) ' . &n(shift);
fe14fcc3	138	}
	139	elsif ($_ eq 'exec') {
	140	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	141	shift;
6e21c824	142	$_ = "@cmd";
	143	if (m#^(/bin/)?rm -f {}$#) {
	144	if (!@ARGV) {
	145	$out .= &tab . 'unlink($_)';
	146	}
	147	else {
	148	$out .= &tab . '(unlink($_) \|\| 1)';
	149	}
	150	}
	151	elsif (m#^(/bin/)?rm {}$#) {
	152	$out .= &tab . '(unlink($_) \|\| warn "$name: $!\n")';
	153	}
	154	else {
	155	for (@cmd) { s/'/\\'/g; }
	156	$" = "','";
	157	$out .= &tab . "&exec(0, '@cmd')";
	158	$" = ' ';
	159	$initexec++;
	160	}
fe14fcc3	161	}
	162	elsif ($_ eq 'ok') {
	163	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	164	shift;
	165	for (@cmd) { s/'/\\'/g; }
	166	$" = "','";
	167	$out .= &tab . "&exec(1, '@cmd')";
	168	$" = ' ';
	169	$initexec++;
	170	}
	171	elsif ($_ eq 'prune') {
	172	$out .= &tab . '($prune = 1)';
	173	}
	174	elsif ($_ eq 'xdev') {
a0d0e21e	175	$out .= &tab . '!($prune \|= ($dev != $topdev))';
fe14fcc3	176	}
	177	elsif ($_ eq 'newer') {
	178	$out .= &tab;
	179	$file = shift;
	180	$newername = 'AGE_OF' . $file;
	181	$newername =~ s/[^\w]/_/g;
	182	$newername = '$' . $newername;
79072805	183	$out .= "(-M _ < $newername)";
fe14fcc3	184	$initnewer .= "$newername = -M " . &quote($file) . ";\n";
	185	}
	186	elsif ($_ eq 'eval') {
	187	$prog = &quote(shift);
	188	$out .= &tab . "eval $prog";
	189	}
	190	elsif ($_ eq 'depth') {
	191	$depth++;
	192	next;
	193	}
	194	elsif ($_ eq 'ls') {
	195	$out .= &tab . "&ls";
	196	$initls++;
	197	}
	198	elsif ($_ eq 'tar') {
	199	$out .= &tab;
	200	die "-tar must have a filename argument\n" unless @ARGV;
	201	$file = shift;
	202	$fh = 'FH' . $file;
	203	$fh =~ s/[^\w]/_/g;
	204	$out .= "&tar($fh)";
	205	$file = '>' . $file;
	206	$initfile .= "open($fh, " . &quote($file) .
	207	qq{) \|\| die "Can't open $fh: \$!\\n";\n};
	208	$inittar++;
	209	$flushall = "\n&tflushall;\n";
	210	}
	211	elsif (/^n?cpio$/) {
	212	$depth++;
	213	$out .= &tab;
	214	die "-$_ must have a filename argument\n" unless @ARGV;
	215	$file = shift;
	216	$fh = 'FH' . $file;
	217	$fh =~ s/[^\w]/_/g;
	218	$out .= "&cpio('" . substr($_,0,1) . "', $fh)";
	219	$file = '>' . $file;
	220	$initfile .= "open($fh, " . &quote($file) .
	221	qq{) \|\| die "Can't open $fh: \$!\\n";\n};
	222	$initcpio++;
	223	$flushall = "\n&flushall;\n";
	224	}
	225	else {
	226	die "Unrecognized switch: -$_\n";
	227	}
	228	if (@ARGV) {
	229	if ($ARGV[0] eq '-o') {
6e21c824	230	{ local($statdone) = 1; $out .= "\n" . &tab . "\|\|\n"; }
1c3d792e	231	$statdone = 0 if $indent == 1 && $delayedstat;
1c3d792e	232	$saw_or++;
fe14fcc3	233	shift;
	234	}
	235	else {
	236	$out .= " &&" unless $ARGV[0] eq ')';
	237	$out .= "\n";
	238	shift if $ARGV[0] eq '-a';
	239	}
	240	}
	241	}
	242
	243	print <<"END";
4633a7c4	244	$startperl
fe14fcc3	245
4633a7c4	246	eval 'exec perl -S \$0 \${1+"\$@"}'
8adcabd8	247	if \$running_under_some_shell;
8adcabd8	248
fe14fcc3	249	END
	250
	251	if ($initls) {
	252	print <<'END';
	253	@rwx = ('---','--x','-w-','-wx','r--','r-x','rw-','rwx');
	254	@moname = (Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec);
	255
	256	END
	257	}
	258
	259	if ($inituser \|\| $initls) {
	260	print 'while (($name, $pw, $uid) = getpwent) {', "\n";
	261	print ' $uid{$name} = $uid{$uid} = $uid;', "\n" if $inituser;
	262	print ' $user{$uid} = $name unless $user{$uid};', "\n" if $initls;
	263	print "}\n\n";
	264	}
	265
	266	if ($initgroup \|\| $initls) {
	267	print 'while (($name, $pw, $gid) = getgrent) {', "\n";
	268	print ' $gid{$name} = $gid{$gid} = $gid;', "\n" if $initgroup;
	269	print ' $group{$gid} = $name unless $group{$gid};', "\n" if $initls;
	270	print "}\n\n";
	271	}
	272
	273	print $initnewer, "\n" if $initnewer;
	274
	275	print $initfile, "\n" if $initfile;
	276
6e21c824	277	$find = $depth ? "finddepth" : "find";
fe14fcc3	278	print <<"END";
6e21c824	279	require "$find.pl";
6e21c824	280
fe14fcc3	281	# Traverse desired filesystems
fe14fcc3	282
6e21c824	283	&$find($roots);
fe14fcc3	284	$flushall
	285	exit;
	286
	287	sub wanted {
	288	$out;
	289	}
	290
	291	END
	292
fe14fcc3	293	if ($initexec) {
	294	print <<'END';
	295	sub exec {
	296	local($ok, @cmd) = @_;
	297	foreach $word (@cmd) {
	298	$word =~ s#{}#$name#g;
	299	}
	300	if ($ok) {
	301	local($old) = select(STDOUT);
	302	$\| = 1;
	303	print "@cmd";
	304	select($old);
	305	return 0 unless <STDIN> =~ /^y/;
	306	}
	307	chdir $cwd; # sigh
	308	system @cmd;
	309	chdir $dir;
	310	return !$?;
	311	}
	312
	313	END
	314	}
	315
	316	if ($initls) {
	317	print <<'END';
	318	sub ls {
	319	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$sizemm,
	320	$atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
	321
	322	$pname = $name;
	323
	324	if (defined $blocks) {
	325	$blocks = int(($blocks + 1) / 2);
	326	}
	327	else {
	328	$blocks = int(($size + 1023) / 1024);
	329	}
	330
	331	if (-f _) { $perms = '-'; }
	332	elsif (-d _) { $perms = 'd'; }
	333	elsif (-c _) { $perms = 'c'; $sizemm = &sizemm; }
	334	elsif (-b _) { $perms = 'b'; $sizemm = &sizemm; }
	335	elsif (-p _) { $perms = 'p'; }
	336	elsif (-S _) { $perms = 's'; }
	337	else { $perms = 'l'; $pname .= ' -> ' . readlink($_); }
	338
	339	$tmpmode = $mode;
	340	$tmp = $rwx[$tmpmode & 7];
	341	$tmpmode >>= 3;
	342	$tmp = $rwx[$tmpmode & 7] . $tmp;
	343	$tmpmode >>= 3;
	344	$tmp = $rwx[$tmpmode & 7] . $tmp;
	345	substr($tmp,2,1) =~ tr/-x/Ss/ if -u _;
	346	substr($tmp,5,1) =~ tr/-x/Ss/ if -g _;
	347	substr($tmp,8,1) =~ tr/-x/Tt/ if -k _;
	348	$perms .= $tmp;
	349
	350	$user = $user{$uid} \|\| $uid;
	351	$group = $group{$gid} \|\| $gid;
	352
	353	($sec,$min,$hour,$mday,$mon,$year) = localtime($mtime);
	354	$moname = $moname[$mon];
	355	if (-M _ > 365.25 / 2) {
93a17b20	356	$timeyear = $year + 1900;
fe14fcc3	357	}
	358	else {
	359	$timeyear = sprintf("%02d:%02d", $hour, $min);
	360	}
	361
	362	printf "%5lu %4ld %-10s %2d %-8s %-8s %8s %s %2d %5s %s\n",
	363	$ino,
	364	$blocks,
	365	$perms,
	366	$nlink,
	367	$user,
	368	$group,
	369	$sizemm,
	370	$moname,
	371	$mday,
	372	$timeyear,
	373	$pname;
	374	1;
	375	}
	376
	377	sub sizemm {
	378	sprintf("%3d, %3d", ($rdev >> 8) & 255, $rdev & 255);
	379	}
	380
	381	END
	382	}
	383
	384	if ($initcpio) {
	385	print <<'END';
	386	sub cpio {
	387	local($nc,$fh) = @_;
	388	local($text);
	389
	390	if ($name eq 'TRAILER!!!') {
	391	$text = '';
	392	$size = 0;
	393	}
	394	else {
	395	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
	396	$atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
	397	if (-f _) {
99b89507	398	open(IN, "./$_\0") \|\| do {
fe14fcc3	399	warn "Couldn't open $name: $!\n";
	400	return;
	401	};
	402	}
	403	else {
	404	$text = readlink($_);
	405	$size = 0 unless defined $text;
	406	}
	407	}
	408
	409	($nm = $name) =~ s#^\./##;
	410	$nc{$fh} = $nc;
	411	if ($nc eq 'n') {
	412	$cpout{$fh} .=
	413	sprintf("%06o%06o%06o%06o%06o%06o%06o%06o%011lo%06o%011lo%s\0",
	414	070707,
	415	$dev & 0777777,
	416	$ino & 0777777,
	417	$mode & 0777777,
	418	$uid & 0777777,
	419	$gid & 0777777,
	420	$nlink & 0777777,
	421	$rdev & 0177777,
	422	$mtime,
	423	length($nm)+1,
	424	$size,
	425	$nm);
	426	}
	427	else {
	428	$cpout{$fh} .= "\0" if length($cpout{$fh}) & 1;
	429	$cpout{$fh} .= pack("SSSSSSSSLSLa*",
	430	070707, $dev, $ino, $mode, $uid, $gid, $nlink, $rdev, $mtime,
	431	length($nm)+1, $size, $nm . (length($nm) & 1 ? "\0" : "\0\0"));
	432	}
	433	if ($text ne '') {
	434	$cpout{$fh} .= $text;
	435	}
	436	elsif ($size) {
	437	&flush($fh) while ($l = length($cpout{$fh})) >= 5120;
	438	while (sysread(IN, $cpout{$fh}, 5120 - $l, $l)) {
	439	&flush($fh);
	440	$l = length($cpout{$fh});
	441	}
	442	}
	443	close IN;
	444	}
	445
	446	sub flush {
	447	local($fh) = @_;
	448
	449	while (length($cpout{$fh}) >= 5120) {
	450	syswrite($fh,$cpout{$fh},5120);
	451	++$blocks{$fh};
	452	substr($cpout{$fh}, 0, 5120) = '';
	453	}
	454	}
	455
	456	sub flushall {
	457	$name = 'TRAILER!!!';
	458	foreach $fh (keys %cpout) {
	459	&cpio($nc{$fh},$fh);
	460	$cpout{$fh} .= "0" x (5120 - length($cpout{$fh}));
	461	&flush($fh);
	462	print $blocks{$fh} * 10, " blocks\n";
463	}
464	}
465
466	END
467	}
468
469	if ($inittar) {
470	print <<'END';
471	sub tar {
472	local($fh) = @_;
473	local($linkname,$header,$l,$slop);
474	local($linkflag) = "\0";
475
476	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
477	$atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
478	$nm = $name;
479	if ($nlink > 1) {
480	if ($linkname = $linkseen{$fh,$dev,$ino}) {
481	$linkflag = 1;
482	}
483	else {
484	$linkseen{$fh,$dev,$ino} = $nm;
485	}
486	}
487	if (-f _) {
99b89507	488	open(IN, "./$_\0") \|\| do {
fe14fcc3	489	warn "Couldn't open $name: $!\n";
	490	return;
	491	};
	492	$size = 0 if $linkflag ne "\0";
	493	}
	494	else {
	495	$linkname = readlink($_);
	496	$linkflag = 2 if defined $linkname;
	497	$nm .= '/' if -d _;
	498	$size = 0;
	499	}
	500
	501	$header = pack("a100a8a8a8a12a12a8a1a100",
	502	$nm,
	503	sprintf("%6o ", $mode & 0777),
	504	sprintf("%6o ", $uid & 0777777),
	505	sprintf("%6o ", $gid & 0777777),
	506	sprintf("%11o ", $size),
	507	sprintf("%11o ", $mtime),
	508	" ",
	509	$linkflag,
	510	$linkname);
	511	$l = length($header) % 512;
	512	substr($header, 148, 6) = sprintf("%6o", unpack("%16C*", $header));
	513	substr($header, 154, 1) = "\0"; # blech
	514	$tarout{$fh} .= $header;
	515	$tarout{$fh} .= "\0" x (512 - $l) if $l;
	516	if ($size) {
	517	&tflush($fh) while ($l = length($tarout{$fh})) >= 10240;
	518	while (sysread(IN, $tarout{$fh}, 10240 - $l, $l)) {
	519	$slop = length($tarout{$fh}) % 512;
	520	$tarout{$fh} .= "\0" x (512 - $slop) if $slop;
	521	&tflush($fh);
	522	$l = length($tarout{$fh});
	523	}
	524	}
	525	close IN;
	526	}
	527
	528	sub tflush {
	529	local($fh) = @_;
	530
	531	while (length($tarout{$fh}) >= 10240) {
	532	syswrite($fh,$tarout{$fh},10240);
	533	++$blocks{$fh};
	534	substr($tarout{$fh}, 0, 10240) = '';
	535	}
	536	}
	537
	538	sub tflushall {
	539	local($len);
	540
	541	foreach $fh (keys %tarout) {
	542	$len = 10240 - length($tarout{$fh});
	543	$len += 10240 if $len < 1024;
	544	$tarout{$fh} .= "\0" x $len;
	545	&tflush($fh);
	546	}
	547	}
	548
	549	END
	550	}
	551
	552	exit;
553
554	############################################################################
555
556	sub tab {
557	local($tabstring);
558
559	$tabstring = "\t" x ($indent / 2) . ' ' x ($indent % 2 * 4);
1c3d792e	560	if (!$statdone) {
8adcabd8	561	if ($_ =~ /^(name\|print\|prune\|exec\|ok\|\(\|\))/) {
1c3d792e	562	$delayedstat++;
	563	}
	564	else {
	565	if ($saw_or) {
	566	$tabstring .= <<'ENDOFSTAT' . $tabstring;
	567	($nlink \|\| (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_))) &&
	568	ENDOFSTAT
	569	}
	570	else {
	571	$tabstring .= <<'ENDOFSTAT' . $tabstring;
fe14fcc3	572	(($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&
fe14fcc3	573	ENDOFSTAT
1c3d792e	574	}
fe14fcc3	575	$statdone = 1;
	576	}
	577	}
	578	$tabstring =~ s/^\s+/ / if $out =~ /!$/;
	579	$tabstring;
	580	}
	581
	582	sub fileglob_to_re {
	583	local($tmp) = @_;
	584
79072805	585	$tmp =~ s#([./^\$()])#\\$1#g;
fe14fcc3	586	$tmp =~ s/([?*])/.$1/g;
8990e307	587	"^$tmp\$";
fe14fcc3	588	}
	589
	590	sub n {
	591	local($n) = @_;
	592
1c3d792e	593	$n =~ s/^-/< / \|\| $n =~ s/^\+/> / \|\| $n =~ s/^/== /;
1c3d792e	594	$n =~ s/ 0*(\d)/ $1/;
79072805	595	$n . ')';
fe14fcc3	596	}
	597
	598	sub quote {
	599	local($string) = @_;
	600	$string =~ s/'/\\'/;
	601	"'$string'";
	602	}
	603	!NO!SUBS!
4633a7c4	604
	605	close OUT or die "Can't close $file: $!";
	606	chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
	607	exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';