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|
# $Id$
# The inevitable utilities for TeX Live.
#
# Copyright 2007, 2008 Norbert Preining, Reinhard Kotucha
# This file is licensed under the GNU General Public License version 2
# or any later version.
package TeXLive::TLUtils;
=pod
=head1 NAME
C<TeXLive::TLUtils> -- utilities used in the TeX Live infrastructure
=head1 SYNOPSIS
use TeXLive::TLUtils;
=head2 Platform Detection
TeXLive::TLUtils::platform;
TeXLive::TLUtils::platform_desc($platform);
TeXLive::TLUtils::win32;
TeXLive::TLUtils::unix;
=head2 System Tools
TeXLive::TLUtils::getenv($string);
TeXLive::TLUtils::which($string);
TeXLive::TLUtils::program_exists($program);
TeXLive::TLUtils::get_system_tmpdir;
=head2 File Utilities
TeXLive::TLUtils::dirname($path);
TeXLive::TLUtils::basename($path);
TeXLive::TLUtils::dirname_and_basename($path);
TeXLive::TLUtils::dir_writable($path);
TeXLive::TLUtils::mkdirhier($path);
TeXLive::TLUtils::copy($file, $target_dir);
TeXLive::TLUtils::download_file( $path, $destination [, $progs ] );
TeXLive::TLUtils::setup_programs( $bindir, $platform);
=head2 Installer Functions
TeXLive::TLUtils::media;
TeXLive::TLUtils::initialze_installer;
TeXLive::TLUtils::make_var_skeleton($path);
TeXLive::TLUtils::make_local_skeleton($path);
TeXLive::TLUtils::create_fmtutil($tlpdb,$dest,$localconf);
TeXLive::TLUtils::create_updmap($tlpdb,$dest,$localconf);
TeXLive::TLUtils::create_language($tlpdb,$dest,$localconf);
TeXLive::TLUtils::install_packages($from_tlpdb,$to_tlpdb,$what,$opt_src, $opt_doc)>);
TeXLive::TLUtils::install_package($what, $filelistref, $target, $platform);
=head2 Miscellaneous
TeXLive::TLUtils::sort_uniq(@list);
TeXLive::TLUtils::push_uniq(\@list, @items);
TeXLive::TLUtils::member($item, @list);
TeXLive::TLUtils::merge_into(\%to, \%from);
TeXLive::TLUtils::texdir_check($texdir);
TeXLive::TLUtils::kpsewhich;
TeXLive::TLUtils::conv_to_win_path($path);
=head1 DESCRIPTION
=cut
BEGIN {
use Exporter ();
use vars qw( @ISA @EXPORT_OK @EXPORT);
@ISA = qw(Exporter);
@EXPORT_OK = qw(
&platform
&platform_desc
&win32
&unix
&getenv
&which
&program_exists
&get_system_tmpdir
&dirname
&basename
&dirname_and_basename
&dir_writable
&mkdirhier
©
&install_package
&install_packages
&media
&initialize_installer
&make_var_skeleton
&sub make_local_skeleton
&create_fmtutil
&create_updmap
&create_language
&sort_uniq
&push_uniq
&texdir_check
&member
&kpsewhich
"ewords
&conv_to_win_path
&setup_programs
&download_file
&merge_into
&process_logging_options
);
@EXPORT = qw(setup_programs download_file info debug ddebug tlwarn process_logging_options win32);
}
use TeXLive::TLConfig;
use Getopt::Long;
$::opt_verbosity = 0;
=pod
=head2 Platform Detection
=over 6
=item C<platform>
If C<$^O=~/MSWin(32|64)$/i> is true we know that we're on
Windows and we set the global variable C<$::_platform_> to C<win32>.
Otherwise we call C<config.guess>. The output of C<config.guess>
is filtered as described below.
CPU type is determined by a regexp. And it's necessary to
C<s/i.86/i386/>.
For OS we need a list because we probably have something like
C<linux-gnu> but we need C<linux>. This list might/should contain OSs
which are not currently supported. The list currently supports all
platforms supported by TeX Live 2007 plus Cygwin.
If a particular platform is not found in this list we use the regexp
C</.*-(.*$)/> as a last resort and hope it provides something useful.
The result is stored in a global variable C<$::_platform_>. If you call
C<platform> repeatedly, only the first call of C<platform> will access
the HD/CD/DVD.
=cut
sub platform {
my @OSs=qw(aix cygwin darwin freebsd hpux irix linux netbsd openbsd
solaris);
unless (defined $::_platform_) {
if ($^O=~/^MSWin(32|64)$/i) {
$::_platform_="win32";
} else {
my $CPU; # CPU type as reported by config.guess.
my $OS; # O/S type as reported by config.guess.
# We cannot rely on #! in config.guess but have to call /bin/sh
# explicitly because sometimes the 'noexec' flag is set in
# /etc/fstab for ISO9660 file systems.
my $guessed_platform=`/bin/sh $::installerdir/config.guess`;
chomp $guessed_platform;
($CPU=$guessed_platform)=~s/(.*?)-.*/$1/;
foreach my $os (@OSs) {
$OS=$os if $guessed_platform=~/$os/;
}
if ($CPU=~/^i.86$/) {
$CPU=~s/i.86/i386/;
}
if (length "$OS" < 0) {
($OS=$guessed_platform)=~s/.*-(.*)/$1/;
}
$::_platform_="$CPU-$OS";
}
}
return $::_platform_;
}
=pod
=item C<platform_desc($platform)>
Return a string which describes a particular platform identifier, e.g.,
given C<i386-linux> we return C<Intel x86 with GNU/Linux>.
=cut
sub platform_desc
{
my ($platform) = @_;
my %platform_name=(
'alpha-linux' => 'DEC Alpha with GNU/Linux',
'alphaev5-osf' => 'DEC Alphaev5 OSF',
'amd64-freebsd' => 'x86_64 with FreeBSD',
'hppa-hpux' => 'HP-UX',
'i386-cygwin' => 'Intel x86 with Cygwin',
'i386-darwin' => 'Intel x86 with MacOSX/Darwin',
'i386-freebsd' => 'Intel x86 with FreeBSD',
'i386-openbsd' => 'Intel x86 with OpenBSD',
'i386-netbsd' => 'Intel x86 with NetBSD',
'i386-linux' => 'Intel x86 with GNU/Linux',
'i386-solaris' => 'Intel x86 with Sun Solaris',
'mips-irix' => 'SGI IRIX',
'powerpc-aix' => 'PowerPC with AIX',
'powerpc-darwin' => 'PowerPC with MacOSX/Darwin',
'powerpc-linux' => 'PowerPC with GNU/Linux',
'sparc-linux' => 'Sparc with GNU/Linux',
'sparc-solaris' => 'Sparc with Solaris',
'win32' => 'Windows',
'x86_64-linux' => 'x86_64 with GNU/Linux'
);
# the inconsistency between amd64-freebsd and x86_64-linux is
# unfortunate (it's the same hardware), but the os people say those
# are the conventional names on the respective os's, so ...
if (exists $platform_name{$platform}) {
return "$platform_name{$platform}";
} else {
my ($CPU,$OS) = split ('-', $platform);
return "$CPU with " . ucfirst "$OS";
}
}
=pod
=item C<win32>
Return C<1> if platform is Windows and C<0> otherwise. The test is
currently based on the value of Perl's C<$^O> variable.
=cut
sub win32
{
if ($^O=~/^MSWin(32|64)$/i) {
return 1;
} else {
return 0;
}
# the following needs config.guess, which is quite bad ...
# return (&platform eq "win32")? 1:0;
}
=pod
=item C<unix>
Return C<1> if platform is UNIX and C<0> otherwise.
=cut
sub unix {
return (&platform eq "win32")? 0:1;
}
=pod
=back
=head2 System Tools
=over 6
=item C<getenv($string)>
Get an environment variable. It is assumed that the environment
variable contains a path. On Windows all backslashes are replaced by
forward slashes as required by Perl. If this behavior is not desired,
use C<$ENV{"$variable"}> instead. C<0> is returned if the
environment variable is not set.
=cut
sub getenv {
my $envvar=shift;
my $var=$ENV{"$envvar"};
return 0 unless (defined $var);
if (&win32) {
$var=~s!\\!/!g; # change \ -> / (required by Perl)
}
return "$var";
}
=pod
=item C<which($string)>
C<which> does the same as the UNIX command C<which(1)>, but it is
supposed to work on Windows too. On Windows we have to try all the
extensions given in the C<PATHEXT> environment variable. We also try
without appending an extension because if C<$string> comes from an
environment variable, an extension might aleady be present.
=cut
sub which {
my $prog=shift;
my @PATH;
my $PATH=getenv('PATH');
if (&win32) {
my @PATHEXT=split ';', getenv('PATHEXT');
push @PATHEXT, ''; # if argument contains an extension
@PATH=split ';', $PATH;
for my $dir (@PATH) {
for my $ext (@PATHEXT) {
if (-f "$dir/$prog$ext") {
return "$dir/$prog$ext";
}
}
}
} else {
@PATH=split ':', $PATH;
for my $dir (@PATH) {
if (-x "$dir/$prog") {
return "$dir/$prog";
}
}
}
return 0;
}
=pod
=item C<program_exists($program)>
Return C<1> if C<$program> is in C<PATH> and C<0> otherwise.
=cut
sub program_exists {
my $program=shift;
return (&which ("$program"))? 0:1;
}
=pod
=item C<get_system_tmpdir>
Evaluate the environment variables C<TMPDIR>, C<TMP>, and C<TEMP> in
order to find the system temporary directory.
=cut
sub get_system_tmpdir {
my $systmp=0;
$systmp||=getenv 'TMPDIR';
$systmp||=getenv 'TMP';
$systmp||=getenv 'TEMP';
$systmp||='/tmp';
return "$systmp";
}
=pod
=back
=head2 File Utulities
=over 6
=item C<dirname($path)>
Return C<$path> with its trailing C</component> removed.
=cut
sub dirname {
my $path=shift;
if (win32) {
$path=~s!\\!/!g;
}
if ($path=~m!/!) { # dirname("foo/bar/baz") -> "foo/bar"
$path=~m!(.*)/.*!;
return $1;
} else { # dirname("ignore") -> "."
return ".";
}
}
=item C<basename($path)>
Return C<$path> with any leading directory components removed.
=cut
sub basename {
my $path=shift;
if (win32) {
$path=~s!\\!/!g;
}
if ($path=~m!/!) { # basename("foo/bar") -> "bar"
$path=~m!.*/(.*)!;
return $1;
} else { # basename("ignore") -> "ignore"
return $path;
}
}
=item C<dirname_and_basename($path)>
Return both C<dirname> and C<basename>. Example:
($dirpart,$filepart) = dirname_and_basename ($path);
=cut
sub dirname_and_basename {
my $path=shift;
if (win32) {
$path=~s!\\!/!g;
}
$path=~/(.*)\/(.*)/;
return ("$1", "$2");
}
=pod
=item C<dir_writable($path)>
Tests whether its argument is writable by trying to write to
it. This function is necessary because the built-in C<-w> test just
looks at mode and uid/guid, which on Windows always returns true and
even on Unix is not always good enough for directories mounted from
a fileserver.
=cut
# Theoretically, the test below, which uses numbers as names, might
# lead to a race condition. OTOH, it should work even on a very
# broken Perl.
# The Unix test gives the wrong answer when used under Windows Vista
# with one of the `virtualized' directories such as Program Files:
# lacking administrative permissions, it would write successfully to
# the virtualized Program Files rather than fail to write to the
# real Program Files. Ugh.
sub dir_writable {
$path=shift;
return 0 unless -d $path;
$path =~ s!\\!/!g if win32;
$path =~ s!/$!!g;
my $i = 0;
while (-e $path . "/" . $i) { $i++; }
my $f = $path."/".$i;
if (win32) {
my $fb = $f;
$fb =~ s!/!\\!g;
return 0 if
system('copy /b ' . $ENV{'COMSPEC'} . ' "' . $fb . '" >nul 2>&1');
unlink $f if -e $f;
return 1;
} else {
return 0 unless open TEST, ">".$f;
my $written = 0;
$written = (print TEST "\n");
close TEST;
unlink $f;
return $written;
}
}
=pod
=item C<mkdirhier($path, [$mode])>
The function C<mkdirhier> does the same as the UNIX command C<mkdir -p>.
The optional parameter sets the permission flags.
=cut
sub mkdirhier {
my $tree=shift;
my $mode=shift;
my $subdir;
return if (-d "$tree");
@dirs=split /\//, $tree;
foreach $dir (@dirs) {
$subdir .= ("$dir" . "/");
unless (-d $subdir) {
if (defined $mode) {
mkdir ("$subdir", $mode) or die "Can't mkdir '$subdir': $!.\n";
} else {
mkdir "$subdir" or die "Can't mkdir '$subdir': $!.\n";
}
}
}
}
=pod
=item C<copy($file, $target_dir)>
Copy file C<$file> to directory C<$target_dir>. No external programs
are involved. Since we need C<sysopen()>, the Perl module C<Fcntl.pm>
is required. The time stamps are preserved and symlinks are created
on UNIX systems. On Windows, C<(-l $file)> will certainly never
return 'C<true>' and symlinks will be copied as regular files.
C<copy> invokes C<mkdirhier> if target directories do not exist.
Files have mode C<0777>-I<umask> if they are executable and
C<0666>-I<umask> otherwise.
=cut
sub copy {
my $infile=shift;
my $destdir=shift;
my $outfile;
my @stat;
my $mode;
my $buffer;
my $offset;
my $filename;
my $dirmode=0755;
my $blocksize=2048;
mkdirhier ("$destdir") unless -d "$destdir";
$filename=basename "$infile";
$outfile="$destdir/$filename";
if (-l "$infile") {
symlink readlink "$infile", "$destdir/$filename";
} else {
open IN, "$infile" or die "Can't open '$infile': $!\n";
binmode IN;
$mode=(-x "$infile")? oct("0777"):oct("0666");
$mode-=umask;
open OUT, ">$outfile" or die "Can't open '$outfile': $!\n";
binmode OUT;
chmod $mode, "$outfile";
while ($read=sysread IN, $buffer, $blocksize) {
die "system read error: $!\n" unless defined $read;
$offset=0;
while ($read) {
$written=syswrite OUT, $buffer, $read, $offset;
die "system write error: $!\n" unless defined $written;
$read-=$written;
$offset+=$written;
}
}
close OUT;
close IN;
@stat=lstat "$infile";
utime $stat[8], $stat[9], "$outfile";
}
}
=pod
=item C<install_packages($from_tlpdb, $to_tlpdb, $what, $opt_src, $opt_doc)>
Installs the list of packages found in C<@$what> (a ref to a list) into
the TLPDB given by C<$to_tlpdb>. Information on files are taken from
the TLPDB C<$from_tlpdb>.
C<$opt_src> and C<$opt_doc> specify whether srcfiles and docfiles should be
installed (currently implemented only for installation from DVD).
=cut
sub install_packages {
my ($fromtlpdb,$totlpdb,$what,$opt_src,$opt_doc) = @_;
my $container_src_split = $fromtlpdb->config_src_container;
my $container_doc_split = $fromtlpdb->config_doc_container;
foreach my $package (@$what) {
info("Installing: $package\n");
foreach my $h (@::install_packages_hook) {
&$h("Installing: $package");
}
my $tlpobj=$fromtlpdb->get_package($package);
if (!defined($tlpobj)) {
die "STRANGE: $package not to be found in ", $fromtlpdb->root;
}
my $real_opt_doc = $opt_doc;
# if we install a package from the Documentation class we
# reactivate the do_doc in any case. It should apply ONLY for fonts
# and macros!
if ($tlpobj->category =~ m/documentation/i) {
$real_opt_doc = 1;
}
my $container;
my @installfiles;
push @installfiles, $tlpobj->runfiles;
push @installfiles, $tlpobj->allbinfiles;
push @installfiles, $tlpobj->srcfiles if ($opt_src);
push @installfiles, $tlpobj->docfiles if ($real_opt_doc);
if (&media eq 'DVD') {
$container = \@installfiles;
} elsif (&media eq 'CD') {
if (-r "$::installerdir/$DiskArchive/$package.zip") {
$container = "$::installerdir/$DiskArchive/$package.zip";
} elsif (-r "$::installerdir/$DiskArchive/$package.tar.lzma") {
$container = "$::installerdir/$DiskArchive/$package.tar.lzma";
} else {
# for now only warn and return, should (?) be die!?
tlwarn("Cannot find a package $package (.zip or .lzma) in $::installerdir/$DiskArchive\n");
next;
}
} elsif (&media eq 'NET') {
$container = "$TeXLiveURL/$NetArchive/$package.$DefaultContainerExtension";
}
install_package($container,\@installfiles,$totlpdb->root,$vars{'this_platform'});
# if we are installing from CD or NET we have to fetch the respective
# source and doc packages $pkg.source and $pkg.doc and install them, too
if ((&media eq 'NET') || (&media eq 'CD')) {
# we install split containers under the following conditions:
# - the container were split generated
# - src/doc files should be installed
# - the package is not already a split one (like .i386-linux)
# - there are actually src/doc files present
if ($container_src_split && $opt_src &&
($package !~ m/\./) && $tlpobj->srcfiles) {
my $srccontainer = $container;
$srccontainer =~ s/(\.tar\.lzma|\.zip)$/.source$1/;
install_package($srccontainer,\@installfiles,$totlpdb->root,$vars{'this_platform'});
}
if ($container_doc_split && $real_opt_doc &&
($package !~ m/\./) && $tlpobj->docfiles) {
my $doccontainer = $container;
$doccontainer =~ s/(\.tar\.lzma|\.zip)$/.doc$1/;
install_package($doccontainer,\@installfiles,$totlpdb->root,$vars{'this_platform'});
}
}
# we don't want to have wrong information in the tlpdb, so remove the
# src/doc files if they are not installed ...
if (!$opt_src) {
$tlpobj->clear_srcfiles;
}
if (!$real_opt_doc) {
$tlpobj->clear_docfiles;
}
$totlpdb->add_tlpobj($tlpobj);
# we have to write out the tlpobj file since it is contained in the
# archives (.tar.lzma) but at DVD install time we don't have them
my $tlpod = $totlpdb->root . "/tlpkg/tlpobj";
mkdirhier( $tlpod );
open(TMP,">$tlpod/".$tlpobj->name.".tlpobj") or
die("Cannot open tlpobj file for ".$tlpobj->name);
$tlpobj->writeout(\*TMP);
close(TMP);
}
$totlpdb->save;
}
=pod
=item C<install_package($what, $filelistref, $target, $platform)>
This function installs the files given in @$filelistref from C<$what>
into C<$target>.
If C<$what> is a reference to a list of files then these files are
assumed to be readable and are copied to C<$target>, creating dirs on
the way. In this case the list C<@$filelistref> is not taken into
account.
If C<$what> starts with C<http://> or C<ftp://> then C<$what> is
downloaded from the net and piped through c<lzmadec> and C<tar>.
If $what ends with C<.tar.lzma> (but does not start with C<http://> or
C<ftp://>) it is assumed to be a readable file on the system and is
piped through C<lzmadec> and C<tar> in the very same way.
In both of the last cases currently the list C<$@filelistref> currently
is not taken into account (should be fixed!).
=cut
sub install_package {
my ($what, $filelistref, $target, $platform) = @_;
my @filelist = @$filelistref;
# we assume that $::progs has been set up!
my $wget = $::progs{'wget'};
my $lzmadec = $::progs{'lzmadec'};
my $tar = $::progs{'tar'};
if (!defined($wget) || !defined($lzmadec) || !defined($tar)) {
die "Programs have not been set up properly, strange!";
}
if (ref $what) {
# we are getting a ref to a list of files, so install from DVD
foreach my $file (@$what) {
# @what is taken, not @filelist!
# is this still needed?
my $dn=dirname($file);
mkdirhier("$target/$dn");
copy "$file", "$target/$dn";
}
} elsif ($what =~ m,\.tar.lzma$,) {
# this is the case when we install from CD or the NET
#
# in all other cases we create temp files .tar.lzma (or use the present
# one), lzmadec them, and then call tar
my $fn = basename($what);
mkdirhier("$target/temp");
my $lzmafile = "$target/temp/$fn";
my $tarfile = "$target/temp/$fn"; $tarfile =~ s/\.lzma$//;
my $lzmafile_quote = $lzmafile;
my $tarfile_quote = $tarfile;
my $target_quote = $target;
if (win32()) {
$lzmafile =~ s!/!\\!g;
$tarfile =~ s!/!\\!g;
$target =~ s!/!\\!g;
}
$lzmafile_quote = "\"$lzmafile\"";
$tarfile_quote = "\"$tarfile\"";
$target_quote = "\"$target\"";
if ($what =~ m,http://|ftp://,) {
# we are installing from the NET
# download the file and put it into temp
if (!download_file($what, $lzmafile) || (! -r $lzmafile)) {
die "Downloading $what did not succeed, please retry!";
}
} else {
# we are installing from CD
# copy it to temp
copy($what, "$target/temp");
}
debug("Un-lzmaing $lzmafile to $tarfile\n");
system("$lzmadec < $lzmafile_quote > $tarfile_quote");
if (! -f $tarfile) {
die "Unpacking $lzmafile did not succeed, please retry!";
}
debug("Unpacking $tarfile\n");
system($tar,"-x","-C",$target,"-f",$tarfile);
unlink($tarfile, $lzmafile);
} else {
die "Don't know how to install $what!\n";
}
}
=pod
=item C<setup_programs( $bindir, $platform )>
Sets up the global $::progs hash containing the pathes to the
programs C<wget>, C<tar>, C<lzmadec>. The C<$bindir> argument specifies
the path to the location of the C<lzmadec> binaries, the C<$platform>
gives the extension for the C<lzmadec> binary.
=cut
sub setup_programs {
my ($bindir, $platform) = @_;
$::progs{'wget'} = "wget";
if (!defined($platform) || ($platform eq "")) {
# we assume that we run from the DVD, so we can call platform() and
# thus also the config.guess script
# but we have to setup $::installerdir because that stupid
# platform script relies on it
$::installerdir = "$bindir/../..";
$platform = platform();
}
$::progs{'lzmadec'} = "$bindir/lzma/lzmadec.$platform";
$::progs{'lzma'} = "$bindir/lzma/lzma.$platform";
$::progs{'tar'} = "tar";
if (win32()) {
$::progs{'wget'} = conv_to_win_path("$bindir/wget.exe");
$::progs{'tar'} = conv_to_win_path("$bindir/tar.exe");
$::progs{'lzmadec'} = conv_to_win_path("$bindir/lzma/lzmadec.win32.exe");
$::progs{'lzma'} = conv_to_win_path("$bindir/lzma/lzma.exe");
}
}
=pod
=item C<download_file( $path, $destination [, $progs ] )>
Try to download the file given in C<$relpath> from either C<$TeXLiveURL>
or C<TeXLiveAlternativeURL> into C<$destination>, which can be either
a filename of simply C<|>. In the latter case a file handle is returned.
The optional argument C<$progs> is a reference to a hash giving full pathes
to the respective programs, at least C<wget>. In case that C<$progs> is not
given the C<%::progs> is consulted, and if this also does not exist we
try "wget".
Downloading honors two environment variables C<TL_DOWNLOAD_PROGRAM> and
C<TL_DOWNLOAD_ARGS>. The former overrides C<wget> (or what is given in the
C<$progs> argument, the latter overrides the default wget arguments
given in C<$TeXLive::TLConfig::DefaultWgetArgs>.
C<TL_DOWNLOAD_ARGS> must be set up in a way that the place the output should
go to is the first argument after the C<TL_DOWNLOAD_ARGS>. Use with care.
=cut
sub download_file {
my ($relpath, $dest, $progs) = @_;
my $wget;
if (defined($progs) && defined($progs->{'wget'})) {
$wget = $progs->{'wget'};
} elsif (defined($::progs{'wget'})) {
$wget = $::progs{'wget'};
} else {
tlwarn ("Programs have not been set up, trying simply wget");
$wget = "wget";
}
my $url;
if ($relpath =~ /^(http|ftp):\/\//) {
$url = $relpath;
} else {
$url = "$TeXLiveURL/$relpath";
}
my $ret = _download_file($url, $dest, $wget);
return($ret) if $ret;
# if we have a full url given do NOT try an alternative url
if ($relpath =~ /^(http|ftp):\/\//) {
# we did get a full url, give up immediately
return undef;
}
# we are still here ... try it with Alternative URL:
return undef unless ($TeXLiveAlternativeURL);
# we are still here and TeXLiveAlternativeURL is defined
$url = "$TeXLiveAlternativeURL/$relpath";
$ret = _download_file($url, $dest, $wget);
return($ret) if $ret;
# still not found, give up
return undef;
}
sub _download_file {
my ($url, $dest, $wgetdefault) = @_;
if (win32()) {
$dest =~ s!/!\\!g;
}
my $wget = $ENV{"TL_DOWNLOAD_PROGRAM"} || $wgetdefault;
# we set now the args in installer/wgetrc
my $wgetargs = $ENV{"TL_DOWNLOAD_ARGS"} || "-q -O";
debug("Trying to download $url\n");
my $ret;
if ($dest eq "|") {
open(RETFH, "$wget $wgetargs - $url|") or
die("Cannot open $url via wget for reading");
# opening to a pipe always succeeds, so we return immediately
return \*RETFH;
} else {
my @wgetargs = split ' ', $wgetargs;
$ret = system $wget, @wgetargs, $dest, $url;
# we have to reverse the meaning of ret because systems returns
# the inverse
$ret = ($ret ? 0 : 1);
}
# return false/undef in case the download did not succeed.
return ($ret) unless $ret;
debug("Download $url did succeed\n");
if ($dest eq "|") {
return \*RETFH;
} else {
return 1;
}
}
sub install_package_old {
# either a list of files or a name of one .zip or .tar.lzma file.
my @what=@_;
my $target="$::vars{'TEXDIR'}";
my $bindir="$::installerdir/tlpkg/bin";
my $platform=&platform;
my $buffer;
my $offset;
# shouldn't it be 4096
my $blocksize=2048;
#my $lzmadec="$bindir/lzmadec_$platform";
my $lzmadec="lzmadec";
my $tar="/bin/tar -xf - -C";
my $wget="wget -nv -O-";
if (win32) {
$lzmadec="$bindir/lzma/lzma.exe -si -so";
$tar="$bindir/tar.exe -xf - -C";
$wget="$bindir/wget.exe -nv -O-";
}
if (&media eq 'DVD') {
foreach my $file (@what) {
my $dn=dirname($file);
mkdirhier("$target/$dn");
copy "$file", "$target/$dn";
}
} elsif (&media eq 'CD') {
my $package="$::installerdir/$DiskArchive/$what[0]";
open IN, "$package"
or die "Can't open '$package': $!\n";
binmode IN;
open OUT, "|$lzmadec|$tar $target";
binmode OUT;
while ($read=sysread IN, $buffer, $blocksize) {
die "system read error: $!\n" unless defined $read;
$offset=0;
while ($read) {
$written=syswrite OUT, $buffer, $read, $offset;
die "system write error: $!\n" unless defined $written;
$read-=$written;
$offset+=$written;
}
}
close OUT;
close IN;
} elsif (&media eq 'NET') {
my $package="$TeXLiveURL/$NetArchive/$what[0]";
system "$wget $package|$lzmadec|$tar $target";
} else {
die "This can't happen.";
}
}
=pod
=back
=head2 Installer Functions
=over 6
=item C<media>
Return media type. Either C<CD>, C<DVD>, or C<NET>.
The result is stored in a global variable C<$::_media_>. If you call
C<media> repeatedly, only the first call of C<media> will access the
CD/DVD.
=cut
sub media {
unless (defined $::_media_) {
if (-d "$::installerdir/$DiskArchive") {
$::_media_='CD';
} elsif (-d "$::installerdir/texmf/web2c") {
$::_media_='DVD';
} else {
$::_media_='NET';
}
}
return $::_media_;
}
=pod
=item C<initialize_installer>
The function C<initialize_installer> calls C<media> and C<platform> in
order to set the variables C<$::_media_> and C<$::_platform_>.
Note that C<$0> contains backslashes as path separators on Windows.
Repeatedly calls to C<media> or C<platform> do not access the CD/DVD
again.
=cut
sub initialize_installer {
&media;
&platform;
$ENV{'WGETRC'}="$::installerdir/tlpkg/installer/wgetrc"
}
=pod
=item C<make_var_skeleton($prefix)>
Generate a skeleton of empty directories in the C<TEXMFSYSVAR> tree.
=cut
sub make_var_skeleton {
my $prefix=shift;
mkdirhier "$prefix/tex/generic/config";
mkdirhier "$prefix/dvipdfm/config";
mkdirhier "$prefix/tex/plain/config";
mkdirhier "$prefix/dvips/config";
mkdirhier "$prefix/fonts/map/dvipdfm/updmap";
mkdirhier "$prefix/fonts/map/dvips/updmap";
mkdirhier "$prefix/fonts/map/pdftex/updmap";
mkdirhier "$prefix/fonts/pk";
mkdirhier "$prefix/fonts/tfm";
mkdirhier "$prefix/web2c";
mkdirhier "$prefix/xdvi";
mkdirhier "$prefix/tex/context/config";
}
=pod
=item C<make_local_skeleton($prefix)>
Generate a skeleton of empty directories in the C<TEXMFLOCAL> tree.
=cut
sub make_local_skeleton {
my $prefix=shift;
mkdirhier "$prefix/tex/latex/local";
mkdirhier "$prefix/tex/plain/local";
mkdirhier "$prefix/dvips/local";
mkdirhier "$prefix/bibtex/bib/local";
mkdirhier "$prefix/bibtex/bst/local";
mkdirhier "$prefix/fonts/tfm/local";
mkdirhier "$prefix/fonts/vf/local";
mkdirhier "$prefix/fonts/source/local";
mkdirhier "$prefix/fonts/type1/local";
mkdirhier "$prefix/metapost/local";
mkdirhier "$prefix/web2c";
}
=pod
=item C<create_fmtutil($tlpdb, $dest, $localconf)>
=item C<create_updmap($tlpdb, $dest, $localconf)>
=item C<create_language($tlpdb, $dest, $localconf)>
These three functions create C<fmtutil.cnf>, C<updmap.cfg>, and
C<language.dat>, respectively, in C<$dest> (which by default is below
C<$TEXMFSYSVAR>). These functions merge the information present in the
TLPDB C<$tlpdb> (formats, maps, hyphenations) with local configuration
additions: C<$localconf>.
Currently the "merging" is done trivially by appending the content of
the local configuration files at the end of the file. This should be
improved (checking for duplicates).
=cut
sub create_fmtutil {
my ($tlpdb,$dest,$localconf) = @_;
my $root = $tlpdb->root;
my @lines = $tlpdb->fmtutil_cnf_lines;
if (-r "$localconf") {
#
# this should be done more intelligently, but for now only add those
# lines without any duplication check ...
open FOO, "<$localconf"
or die "strange, -r ok but cannot open $localconf: $!";
my @tmp = <FOO>;
push @lines, @tmp;
}
if ($#lines >= 0) {
open(OUTFILE,">$dest")
or die("Cannot open $dest for writing: $!");
printf OUTFILE "# Generated by %s on %s\n", "$0", scalar localtime;
print OUTFILE @lines;
close(OUTFILE) || warn "close(>$dest) failed: $!";
}
}
sub create_updmap {
my ($tlpdb,$dest,$localconf) = @_;
my $root = $tlpdb->root;
my @lines = $tlpdb->updmap_cfg_lines;
if (-r "$localconf") {
#
# this should be done more intelligently, but for now only add those
# lines without any duplication check ...
open FOO, "<$localconf"
or die "strange, -r ok but cannot open $localconf: $!";
my @tmp = <FOO>;
push @lines, @tmp;
}
if ($#lines >= 0) {
open(OUTFILE,">$dest")
or die("Cannot open $dest for writing: $!");
printf OUTFILE "# Generated by %s on %s\n", "$0", scalar localtime;
print OUTFILE @lines;
close(OUTFILE) || warn "close(>$dest) failed: $!";
}
}
sub create_language {
my ($tlpdb,$dest,$localconf) = @_;
my $root = $tlpdb->root;
my @lines = $tlpdb->language_dat_lines;
if (-r "$localconf") {
#
# this should be done more intelligently, but for now only add those
# lines without any duplication check ...
open FOO, "<$localconf"
or die "strange, -r ok but cannot open $localconf: $!";
my @tmp = <FOO>;
push @lines, @tmp;
}
if ($#lines >= 0) {
open(OUTFILE,">$dest")
or die("Cannot open $dest for writing: $!");
printf OUTFILE "%% Generated by %s on %s\n", "$0", scalar localtime;
print OUTFILE @lines;
close(OUTFILE) || warn "close(>$dest) failed: $!";
}
}
=pod
=back
=head2 Miscellaneous
Ideas from Fabrice Popineau's C<FileUtils.pm>.
=over 6
=item C<sort_uniq(@list)>
The C<sort_uniq> function sorts the given array and throws away multiple
occurrences of elements. It returns a sorted and unified array.
=cut
sub sort_uniq {
my (@l) = @_;
my ($e, $f, @r);
$f = "";
@l = sort(@l);
foreach $e (@l) {
if ($e ne $f) {
$f = $e;
push @r, $e;
}
}
return @r;
}
=pod
=item C<push_uniq(\@list, @items)>
The C<push_uniq> function pushes the last elements on the list referenced
by the first argument.
=cut
sub push_uniq {
# can't we use $l as a reference, and then use my? later ...
local (*l, @le) = @_;
foreach my $e (@le) {
if (! &member($e, @l)) {
push @l, $e;
}
}
}
=pod
=item C<member($item, @list)>
The C<member> function returns true if the the first argument is contained
in the list of the remaining arguments.
=cut
sub member {
my ($e, @l) = @_;
my ($f);
foreach $f (@l) {
if ($e eq $f) {
return 1;
}
}
return 0;
}
=pod
=item C<merge_into(\%to, \%from)>
Merges the keys of %from into %to.
=cut
sub merge_into {
my ($to, $from) = @_;
foreach my $k (keys %$from) {
if (defined($to->{$k})) {
push @{$to->{$k}}, @{$from->{$k}};
} else {
$to->{$k} = [ @{$from->{$k}} ];
}
}
}
=pod
=item C<texdir_check($texdir)>
Test whether installation with TEXDIR set to $texdir would succeed due to
writing permissions.
=cut
sub texdir_check {
my ($texdir) = shift; # PATH/texlive/2008
my $texdirparent = dirname($texdir); # PATH/texlive
my $texdirpparent = dirname($texdirparent); # PATH
if ( (dir_writable($texdirpparent)) ||
( (-d $texdirparent) && (dir_writable($texdirparent)) ) ||
( (-d $texdir) && (dir_writable($texdir)) ) ) {
return 1;
}
return 0;
}
sub logit {
my ($out, $level, @rest) = @_;
_logit($out, $level, @rest) unless $::opt_quiet;
_logit('file', $level, @rest);
}
sub _logit {
my ($out, $level, @rest) = @_;
if ($::opt_verbosity >= $level) {
# if $out is a ref/glob to STDOUT or STDERR, print it there
if (ref($out) eq "GLOB") {
print $out @rest;
} else {
# we should log it into the logfile, but that might be not initialized
# so either print it to the filehandle $::LOGFILE, or push it onto
# the to be printed log lines @::LOGLINES
if (defined($::LOGFILE)) {
print $::LOGFILE @rest;
} else {
push @::LOGLINES, "@rest";
}
}
}
}
sub info {
logit(\*STDOUT, 0, @_);
}
sub debug {
logit(\*STDOUT, 1, @_);
}
sub ddebug {
logit(\*STDOUT, 2, @_);
}
sub tlwarn {
# warning should always done to stderr and the log file,
# independently from the verbosity level
my $savequiet = $::opt_quiet;
$::opt_quiet = 0;
logit(\*STDERR, -100, @_);
$::opt_quiet = $savequiet;
}
sub process_logging_options {
$::opt_verbosity = 0;
$::opt_quiet = 0;
# check all the command line options for occurrences of -q and -v
# do not report errors
my $oldconfig = Getopt::Long::Configure(qw(pass_through));
GetOptions("v+" => \$::opt_verbosity, "q" => \$::opt_quiet);
Getopt::Long::Configure($oldconfig);
}
=pod
=item C<kpsewhich($varname)>
This function expands the variable name using kpsewhich. The variable
name should not have a leading $. The kpsewhich binary has to be in
the path.
=cut
sub kpsewhich {
my $var = shift;
my $ret = `kpsewhich -var-value=$var`;
chomp ($ret);
return($ret);
}
=pod
=item C<conv_to_win_path($path)>
This function returns a "windowsified" path, i.e., replacing all forward
slashes to backslashes, and adding additional " around (in case of spaces
in $path). Furthermore it makes the path absolute. So if $path does not
start with an arbitrary char followed by : we add the output of `cd`.
=cut
sub conv_to_win_path {
my $p = shift;
$p =~ s!/!\\!g;
# we need absolute pathes, too
if ($p !~ m!^.:!) {
my $cwd = `cd`;
chomp($cwd);
$p = "$cwd\\$bindir";
}
if ($p =~ m/ /) { $p = "\"$p\""; }
return($p);
}
#############################################
#
# Taken from Text::ParseWords
#
sub quotewords {
my($delim, $keep, @lines) = @_;
my($line, @words, @allwords);
foreach $line (@lines) {
@words = parse_line($delim, $keep, $line);
return() unless (@words || !length($line));
push(@allwords, @words);
}
return(@allwords);
}
sub parse_line {
my($delimiter, $keep, $line) = @_;
my($word, @pieces);
no warnings 'uninitialized'; # we will be testing undef strings
while (length($line)) {
$line =~ s/^(["']) # a $quote
((?:\\.|(?!\1)[^\\])*) # and $quoted text
\1 # followed by the same quote
| # --OR--
^((?:\\.|[^\\"'])*?) # an $unquoted text
(\Z(?!\n)|(?-x:$delimiter)|(?!^)(?=["']))
# plus EOL, delimiter, or quote
//xs or return; # extended layout
my($quote, $quoted, $unquoted, $delim) = ($1, $2, $3, $4);
return() unless( defined($quote) || length($unquoted) || length($delim));
if ($keep) {
$quoted = "$quote$quoted$quote";
} else {
$unquoted =~ s/\\(.)/$1/sg;
if (defined $quote) {
$quoted =~ s/\\(.)/$1/sg if ($quote eq '"');
$quoted =~ s/\\([\\'])/$1/g if ( $PERL_SINGLE_QUOTE && $quote eq "'");
}
}
$word .= substr($line, 0, 0); # leave results tainted
$word .= defined $quote ? $quoted : $unquoted;
if (length($delim)) {
push(@pieces, $word);
push(@pieces, $delim) if ($keep eq 'delimiters');
undef $word;
}
if (!length($line)) {
push(@pieces, $word);
}
}
return(@pieces);
}
=pod
=back
=head1 SEE ALSO
The modules L<TeXLive::TLPSRC>, L<TeXLive::TLPOBJ>,
L<TeXLive::TLPDB>, L<TeXLive::TLTREE>, and the
document L<Perl-API.txt> and the specification in the TeX Live
repository trunk/Master/tlpkg/doc/.
=head1 AUTHORS AND COPYRIGHT
This script and its documentation were written for the TeX Live
distribution (L<http://tug.org/texlive>) and both are licensed under the
GNU General Public License Version 2 or later.
=cut
1;
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