#!/usr/bin/perl use MDK::Common; use XML::Parser; use Data::Dumper; use Config; use Cwd 'cwd'; my $want_sudo = $ARGV[0] eq '--sudo' && shift @ARGV; @ARGV == 2 or die "usage: install-xml-file-list [--sudo] <xml file> <destination>\n"; my ($xml_file_list, $DEST) = @ARGV; my $sudo = ''; if ($>) { $sudo = "sudo" if $want_sudo; $ENV{PATH} = "/sbin:/usr/sbin:$ENV{PATH}"; } #$verbose = 1; my $initial_dir = cwd(); my $ARCH = arch() =~ /i.86/ ? 'i386' : arch(); my $LIB = arch() =~ /x86_64/ ? "lib64" : "lib"; my $base_cpio_options = '-pumd --quiet'; my $tree = XML::Parser->new(Style => 'Tree')->parsefile($xml_file_list); my $main_node = decompose($tree); $main_node->{tag} eq 'list' or die "bad file $xml_file_list (main tag should be <list>)\n"; handle_nodes({}, $main_node); install_needed_libraries(); final_cleanup(); sub final_cleanup() { #- cpio creates directory 700, that's not nice system("find $DEST -type d | xargs $sudo chmod 755"); } sub handle_nodes { my ($env, $e) = @_; handle_node($env, decompose($_)) foreach @{$e->{l}}; } sub handle_node { my ($env, $node) = @_; if (!$node->{tag} && $node->{text} !~ /\S/) { } elsif (!$node->{tag}) { install($env, $node->{text}); } elsif ($node->{tag} eq 'if') { my $cond = valid_cond($node->{attr}); handle_nodes($env, $node) if $cond; } elsif ($node->{tag} eq 'if-not') { my $cond = valid_cond($node->{attr}); handle_nodes($env, $node) if !$cond; } elsif (member($node->{tag}, 'from', 'to', 'mode', 'filter')) { handle_nodes(add_to_env($env, $node->{tag} => $node->{attr}), $node); } else { warn "expecting tag <from>, not <$node->{tag}>\n"; } } sub valid_cond { my ($attr) = @_; every { if ($_ eq 'ARCH') { $ARCH =~ /$attr->{$_}/; } elsif ($_ eq 'set') { $ENV{$attr->{$_}}; } else { die "<if>: unknown condition $_\n"; } } keys %$attr; } sub add_to_env { my ($env, $tag, $attr) = @_; my %env = map_each { $::a => +{%$::b} } %$env; foreach (keys %$attr) { !$env{$tag}{$_} or die qq(overriding attribute <$tag $_="$env{$tag}{$_}"> with $_="$attr->{$_}"\n); $env{$tag}{$_} = $attr->{$_}; } \%env; } sub group_by_n { my ($n, $l) = @_; my (@r, $subl); my $i = 0; foreach (@$l) { if ($i % $n == 0) { push @r, $subl = []; } push @$subl, $_; $i++; } @r; } sub identify_file { my ($dev, $ino) = @_; "$dev:$ino"; } sub all_files_rec_ { my ($d) = @_; $d, -d $d && ! -l $d ? map { all_files_rec_("$d/$_") } all($d) : (); } sub expand_macros { my ($f) = @_; $f =~ s!\bLIB\b!$LIB!g; $f =~ s!\bARCH\b!$ARCH!ge; $f =~ s!\$\((\w+)\)!$ENV{$1} || die "$1 undefined\n"!ge; $f; } my %needed_libraries; sub collect_needed_libraries { my (@to_check) = @_; while (@to_check) { my $to_check = join(' ', @to_check); my @l = `ldd $to_check 2>/dev/null` =~ m! => (/\S+)!g; foreach (@l) { s!^(/lib(64)?/).*?/!$1! if $main_node->{attr}{'no-arch-libraries'}; #- replace /lib/tls or /lib/i686 with /lib } @to_check = grep { !$needed_libraries{$_}++ } @l; @to_check = (); } } sub install_needed_libraries { copy_files('', $DEST, [ keys %needed_libraries ], '', '--dereference'); } sub collect_needed_perl_files { my ($local_rep, $dest, @scripts) = @_; my (%local, %global); foreach my $script (@scripts) { foreach (`strace -efile perl -cw -I$local_rep $script 2>&1`) { my ($f) = /^open\("(.*?)",.*\)\s*=\s*\d+$/ or next; if ($f =~ m!^\Q$local_rep\E/(.*)!) { $local{$1} = 1; } elsif (begins_with($f, '/dev/')) { # skip } elsif (begins_with($f, '/')) { $global{$f} = 1; } } } [ keys %local ], [ keys %global ]; } sub copy_files { my ($working_dir, $to_dir, $files, $b_flatten, @options) = @_; if ($b_flatten) { mkdir_p($to_dir); my $options = join(' ', '-r', @options); foreach (group_by_n(20, $files)) { warn "cp $options to_dir $to_dir from $working_dir: @$_\n" if $verbose; system("cd $working_dir ; $sudo cp $options @$_ $to_dir"); } } else { my $options = join(' ', $base_cpio_options, @options); warn "cpio $options to_dir $to_dir from $working_dir: @$files\n" if $verbose; open(my $F, "| cd $working_dir ; $sudo cpio $options $to_dir"); print $F "$_\n" foreach @$files; close($F) or die "cpio $to_dir failed\n"; } } sub install { my ($env, $text) = @_; my $from_dir = expand_macros($env->{from}{dir}); my $to_dir = $DEST . expand_macros($env->{to}{dir} || $env->{to}{flatten} && $from_dir || ''); my $copy_mode = $env->{mode}{copy} || ''; my $working_dir = '.'; my $expand = $env->{from}{expand} || ''; my $disallow_from_dir = sub { !$from_dir or die "from dir not allowed with $expand binary\n"; }; my $from_file = sub { my ($rel, $b_full_glob, $b_recursive_dirs) = @_; my $f = expand_macros($from_dir ? "$from_dir/$rel" : $rel); my @l = $f; chdir $working_dir; if ($f =~ /\*/ || $b_full_glob) { @l = glob($f) or die "no match for $f\n"; @l == 1 || $b_full_glob or die "multiple match for $f\n"; } else { -e $f or die "missing file $f ($rel) in $working_dir\n"; } if (@l == 1 && -d $l[0] && $b_recursive_dirs) { @l = all_files_rec_($l[0]); } @l = grep { !m!/CVS($|/)! } @l; if (my $re = $env->{from}{matching}) { @l = grep { eval $re } @l; } collect_needed_libraries(grep { -x $_ } @l); chdir $initial_dir; @l; }; my @files; if ($expand eq 'tar') { foreach (split(' ', $text)) { system('tar', 'xfj', $from_file->($_), '-C', $to_dir); } # not filling @files, things are already done } elsif ($expand eq 'command') { @files = chomp_(`$text`); } elsif ($expand eq 'glob') { #- glob done in $from_file @files = split(' ', $text); } elsif ($expand eq 'binary') { $disallow_from_dir->(); my @PATH = qw(/sbin /bin /usr/bin /usr/sbin /usr/X11R6/bin); foreach my $name (map { expand_macros($_) } split(' ', $text)) { my @l = grep { -x $_ } map { "$_/$name" } @PATH; @l or die "can't find binary $name\n"; if (@l > 1) { my @m = grep { ! -l $_ } @l; if (@m == 1) { my $id = identify_file($m[0]); push @files, grep { -l $_ && identify_file($_) eq $id } @l; } @l = @m if @m; } if (@l > 1) { warn "many matches for binary $name: " . join(' ', @l) . ", choosing $l[0]\n"; } my $f = $l[0]; while (1) { push @files, $f; my $l = readlink($f) or last; if ($l =~ m!/! && $l !~ m!^\.\..*/s?bin/[^/]+$!) { warn "keeping symlink $f -> $l as is\n"; last; } $f = dirname($f) . '/' . $l; } } $copy_mode = 'keep-links'; $env->{filter}{command} ||= 'strip'; } elsif ($expand eq 'rpm') { $disallow_from_dir->(); foreach my $rpm (split(' ', $text)) { my @l = chomp_(`rpm -ql $rpm`) or die "rpm $rpm must be installed\n"; push @files, @l; } } elsif ($expand eq 'perl') { $disallow_from_dir->(); $from_dir = '/usr/lib/perl5/vendor_perl/*'; @files = split(' ', $text); } elsif ($expand eq 'main-perl') { $disallow_from_dir->(); $from_dir = $Config{privlib}; @files = split(' ', $text); } elsif ($expand =~ /collect-perl-files/) { my (undef, $local, $to) = split(' ', $expand); @files = split(' ', $text); warn "collect-perl-files $local $to @files ($env->{filter}{command})\n"; my ($local_perl_files, $global_perl_files) = collect_needed_perl_files($local, $to, @files); warn "collect-perl-files gave: ", join(' ', @$local_perl_files), "\n"; copy_and_filter("$working_dir/$local", "$DEST$to", $local_perl_files, $env->{filter}, '', '--dereference'); copy_and_filter('', $DEST, $global_perl_files, $env->{filter}, '', '--dereference'); } elsif ($expand) { die "unknown expand method $expand\n"; } else { @files = split(' ', $text); $env->{filter}{command} ||= 'strip' if $to_dir =~ m!/bin$!; } if ($env->{to}{dir} && $from_dir) { $working_dir = $from_dir; undef $from_dir; } my @all_files = map { $from_file->($_, $expand eq 'glob', $expand ne 'rpm') } @files; my @options = ( if_($copy_mode ne 'keep-links', '--dereference'), ); copy_and_filter($working_dir, $to_dir, \@all_files, $env->{filter}, $env->{to}{flatten}, @options); } sub copy_and_filter { my ($working_dir, $to_dir, $all_files, $filter, $flatten, @copy_options) = @_; copy_files($working_dir, $to_dir, $all_files, $flatten, @copy_options); apply_filter($to_dir, $filter, $all_files, $flatten); } sub apply_filter { my ($to_dir, $filter, $all_files, $b_flatten) = @_; chdir $to_dir; foreach (group_by_n(20, $all_files)) { my @l = $b_flatten ? (map { basename($_) } @$_) : (map { "./$_" } @$_); @l = grep { ! -d $_ } @l; if (my $subst = $filter->{subst}) { system('perl', '-pi', '-e', $subst, @l); } if (my $command = $filter->{command}) { $command = $initial_dir . "/$command" if $command =~ m!^..?/!; if ($command =~ /simplify-drakx-modules/) { @l = grep { !/\.so($|\.)/ } @l; } my @options = ( if_($command eq 'gzip', '-9f'), if_($command eq 'strip', '2>/dev/null'), ); warn "running $command @options @l\n" if $verbose; system(join(' ', $command, @options, @l)); } } chdir $initial_dir; } sub decompose { my ($tree) = @_; my ($tag, $val) = @$tree; if ($tag eq '0') { { text => $val }; } else { my ($attr, @l) = @$val; { tag => $tag, attr => $attr, l => [ group_by2(@l) ] }; } }