Files
foc/l4/mk/pkgdeps
2017-05-02 15:25:27 +02:00

1003 lines
24 KiB
Perl
Executable File

#! /usr/bin/perl -W
use strict;
my $do_cluster_subgraphs = 0;
my $collapse_clusters = 0;
my $ignore_missing = 0;
my $controlfile = 'Control';
my $controlfile_local = 'Control.local';
my $prj_aliases_dir = 'prj-config/aliases.d';
my %pkgs;
my %provided;
my %nodes;
my %clusters;
my $pcfiledir_for_aliases;
sub new_node
{
my $n = shift;
$n = {} unless defined $n;
$n->{requires} = [] unless defined $n->{requires};
$n->{optional} = [] unless defined $n->{optional};
$n->{provides} = [] unless defined $n->{provides};
$n->{'source-pkg'} = [] unless defined $n->{'source-pkg'};
$n->{maintainer} = [] unless defined $n->{maintainer};
return $n
}
sub add_node($$)
{
my $n = shift;
my $cluster = shift;
my $name = $n->{name};
$nodes{$name} = $n;
if (not defined $cluster and $name =~ /(.*)\/([^\/]*)/)
{
$cluster = $1;
$name = $2;
}
if (defined $cluster)
{
#print STDERR "new node: '$name' '$cluster'\n";
$clusters{$cluster} = { name => $cluster, nodes => {} }
unless defined $clusters{$cluster};
my $c = $clusters{$cluster};
$c->{nodes}->{$name} = $n;
$n->{cluster} = $c;
}
$provided{$_} = $n foreach (@{$n->{provides}});
return $n;
}
sub set_pcfiledir_for_aliases($)
{
$pcfiledir_for_aliases = shift;
}
sub write_alias_pcfile($@)
{
my $alias = shift;
die "Path for pc-files not set, use '-P dir'"
unless defined $pcfiledir_for_aliases;
open(U, ">$pcfiledir_for_aliases/$alias.pc")
|| die "Cannot create '$pcfiledir_for_aliases/$alias.pc': $!";
print U "Name: $alias\n".
"Version: 0\n".
"Description: Alias Dependency Package\n".
"Requires: ".join(' ', @_)."\n";
close U;
}
sub add_alias($$@)
{
my $alias = shift;
my $cluster = shift;
add_node(new_node({
name => $alias,
alias => 1,
provides => [ $alias ],
requires => [ @_ ] }), $cluster);
}
sub write_alias_pc_files()
{
foreach my $n (values %nodes)
{
next unless $n->{alias};
write_alias_pcfile($n->{name}, @{$n->{requires}});
}
}
sub is_alias($)
{
my $a = shift;
defined $nodes{$a}->{alias};
}
sub read_aliases_dir($$)
{
my $dir = shift;
my $cluster = shift;
opendir(A, $dir) || die "Cannot open directory '$dir': $!";
foreach my $file (sort readdir(A))
{
next if $file =~ /^\./;
next if -d $file;
open(F, "$dir/$file") || die "Cannot open file '$dir/$file': $!";
my $line = 0;
while (<F>)
{
$line++;
chomp;
s/\#.*//;
s/^\s+$//;
next if /^$/;
if (/^\s*(\S+)\s*:?=\s*(.+)/)
{
add_alias($1, $cluster, split(/\s+/, $2));
}
else
{
die "Invalid syntax in $dir/$file:$line";
}
}
close F;
}
closedir A;
}
sub scan_for_provided_pkg_configs
{
my $node = shift;
my $path = shift;
my $pkg = shift;
my $scan_all = shift;
$node->{disabled} = 1 if -e "$path/broken" or -e "$path/obsolete";
return if not $scan_all and $node->{disabled};
foreach my $ctfn ($controlfile, $controlfile_local)
{
if (open(A, "$path/$ctfn"))
{
my $o;
{
undef local $/;
$o = <A>;
}
$o =~ s/#.*$//gm;
$o =~ s/\n[ \t]+/ /smg;
my $control_entry = sub
{
my $tag = shift;
return 0 unless $o =~ /^$tag:[ \t]*(.+)$/im;
push @{$node->{$tag}}, split /\s+/, $1;
$o = $`."\n".$';
return 1;
};
while (1)
{
last unless $control_entry->('optional')
|| $control_entry->('requires')
|| $control_entry->('provides')
|| $control_entry->('source-pkg')
|| $control_entry->('maintainer');
}
close A;
}
}
}
sub find_pkg_dirs
{
my ($base_path, $cdir, $scan_all, $depth, $process) = @_;
read_aliases_dir("$base_path/$cdir$prj_aliases_dir", substr($cdir, 0, -1))
if -d "$base_path/$cdir$prj_aliases_dir";
my $dh;
opendir($dh, "$base_path/$cdir") || die "Cannot readdir in '$base_path/$cdir': $!";
foreach (readdir($dh))
{
my $pkg = "$cdir$_";
my $path = "$base_path/$pkg";
$path = readlink $path if -l $path;
next unless -d $path;
next if /^\./ or /^CVS$/;
if (-e "$path/$controlfile")
{
&$process($base_path, $pkg);
next;
}
find_pkg_dirs($base_path, "$pkg/", $scan_all, $depth - 1, $process)
if $depth > 0;
}
closedir $dh;
}
# search for Control files and aliases in prj-config directories
# starting from base_path (first argument)
# the second argument(scan_all) control whether disabled packages shall
# be handled as well
sub scan_files
{
my $base_path = shift;
my $scan_all = shift;
find_pkg_dirs($base_path, "", $scan_all, 2, sub {
my ($base, $pkg) = @_;
$pkgs{$pkg} = 1;
my $n = new_node({ name => $pkg, pkg => 1 });
scan_for_provided_pkg_configs($n, "$base/$pkg", $pkg, $scan_all);
add_node($n, undef);
});
}
# same as scan_files but only use the list of directories given as
# after the second argument.
# NOTE: this function does not scan for prj-config directories, these must
# be given using '-A' arguments
sub scan_files_dirs
{
my $base = shift;
my $scan_all = shift;
my @subdirs = @_;
foreach my $pkg (@subdirs)
{
$pkgs{$pkg} = 1;
my $n = new_node({ name => $pkg, pkg => 1 });
scan_for_provided_pkg_configs($n, "$base/$pkg", $pkg, $scan_all);
add_node($n, undef);
}
}
sub generate_single_dep
{
my ($tag, $n, $ignore_missing, $error_count) = @_;
return 0 unless @{$n->{$tag}};
my $a = $n->{name};
print "# $a $tag ".join(' ', @{$n->{$tag}})."\n";
print ".PHONY: $a\n" if $n->{alias};
print "$a:";
foreach (sort @{$n->{$tag}})
{
if (defined $provided{$_} and not $provided{$_}->{disabled})
{
print " $provided{$_}->{name}";
}
elsif (not $ignore_missing and not defined $n->{disabled} and not is_alias($a))
{
print STDERR "ERROR: Package providing \"$_\" not found as required by \"$a\".\n";
$$error_count++;
}
}
print "\n";
return 1;
}
sub generate_dep_makefile
{
scan_files_dirs(shift, 1, @_);
write_alias_pc_files();
my $error_count = 0;
print "# Automatically generated Makefile for dependencies\n";
print "#\n";
print "# ", `date`;
print "#\n";
my %p = %pkgs;
foreach my $a (sort keys %nodes)
{
my $n = $nodes{$a};
my $d = generate_single_dep('requires', $n, $ignore_missing, \$error_count);
$d |= generate_single_dep('optional', $n, 1, \$error_count);
delete $p{$a} if $d;
}
print "\n# project targets\n";
foreach (keys %clusters)
{
next unless $_;
my $nodes = $clusters{$_}->{nodes};
print "$_:";
foreach (values %$nodes)
{
print " $_->{name}" unless is_alias($_);
}
print "\n";
}
# delete those packages that do not have dependencies, to avoid circular
# 'make' deps
foreach (keys %p)
{
delete $p{$_} if $_ eq $p{$_};
}
print "\n# pakages w/o deps\n.PHONY: ".join(' ', sort keys %p)."\n" if %p;
if ($error_count)
{
print STDERR "PANIC: Detected $error_count dependency error(s).\n";
exit(1);
}
}
# get the package providing the given abstract target
sub get_providing_pkg($$)
{
my $n = shift;
my $r = shift;
my $p = $provided{$n};
return $p if defined $p;
print STDERR "ERROR: no package providing '$n' found, as required by '$r'\n";
return undef;
}
# get the source package given a package and the name of the source package
sub get_src_pkg($$)
{
my $pkg = shift;
my $src_pkg_name = shift;
my $c = $pkg->{cluster};
my $spkg;
# search in our cluster first
$spkg = $c->{nodes}->{$src_pkg_name} if defined $c;
# if not found try it globally
$spkg = $nodes{$src_pkg_name} unless defined $spkg;
return $spkg;
}
sub get_deps_recursive(@)
{
my %required;
my $done = 0;
$required{$_->{name}} = $_ foreach @_;
while (not $done)
{
$done = 1;
foreach my $pkg (values %required)
{
foreach my $spkg (@{$pkg->{'source-pkg'}})
{
my $s = get_src_pkg($pkg, $spkg);
if (not defined $s)
{
print STDERR "ERROR: source package '$spkg' ".
"of package '$pkg->{name}' not found\n";
next;
}
$done = 0 unless defined $required{$s->{name}};
$required{$s->{name}} = $s;
}
foreach my $rpkg (@{$pkg->{requires}})
{
my $r = get_providing_pkg($rpkg, $pkg->{name});
next unless defined $r;
$done = 0 unless defined $required{$r->{name}};
$required{$r->{name}} = $r;
}
}
}
return values %required;
}
sub figure_out_pkg_dependecies(@)
{
my %newpkgs;
foreach (@_)
{
if (not defined $nodes{$_})
{
if (not defined $provided{$_})
{
print STDERR "WARNING: '$_' does not exist (forgot -A?).\n";
next;
}
$newpkgs{$provided{$_}->{name}} = $provided{$_};
}
else
{
$newpkgs{$_} = $nodes{$_};
}
}
return map $_->{name}, get_deps_recursive(values %newpkgs);
}
# this sub figures out which packages depend on the given ones
sub figure_out_dependant_pkgs(@)
{
my %h;
my %r;
$h{$_} = 1 foreach @_;
while (1)
{
my %tmp = %r;
foreach my $node (values %nodes)
{
foreach (@{$node->{requires}})
{
my $p = $_;
$p = $provided{$_}->{name} if defined $provided{$_};
$tmp{$node->{name}} = 1 if defined $h{$p} or $tmp{$p};
}
}
last if scalar keys %r == scalar keys %tmp;
%r = %tmp;
}
# remove aliases
foreach my $p (keys %r)
{
delete $r{$p} if is_alias($p);
}
%r;
}
sub disabled_requirements
{
my $n = shift;
return 1 if $n->{disabled_because_of_deps};
foreach (@{$n->{requires}})
{
my $p = $provided{$_};
if (not defined $p or $p->{disabled} or disabled_requirements($p))
{
$n->{disabled_because_of_deps} = 1;
return 1;
}
}
return 0;
}
sub generate_dot_file_all($$)
{
my $base_path = shift;
my $output = shift;
scan_files($base_path, 1) if defined $base_path;
my $error_count = 0;
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst)
= localtime(time);
$year += 1900;
$mon++;
open O, $output or die "Cannot open '$output': $!";
print O "# Automatically generated\n";
print O "#\n";
print O "# ", `date`;
print O "#\n";
print O "digraph dep {\n";
print O " compound=true;\n";
print O " graph [ label = \"\\nSource based package dependency\\n",
sprintf("%02d. %02d. %04d, %02d:%02d \"];\n",
$mday, $mon, $year, $hour, $min);
#my %disabled_because_of_deps = figure_out_dependant_pkgs(%disabled);
if ($do_cluster_subgraphs)
{
foreach my $a (sort keys %clusters)
{
print O " subgraph \"cluster_$a\" {\n";
foreach my $b (sort keys %{$clusters{$a}->{nodes}})
{
print O " \"$b\";\n";
}
print O " }\n";
}
}
sub get_node_name($)
{
my $n = shift;
return $n unless $collapse_clusters and defined $nodes{$n}->{cluster};
return $nodes{$n}->{cluster}->{name};
}
sub gen_node($$)
{
my $n = shift;
my $onodes = shift;
return if defined $onodes->{$n};
$onodes->{$n} = 1;
my @attr;
if (defined $clusters{$n}) {
push @attr, "shape=box";
} elsif (is_alias($n)) {
push @attr, "shape=septagon";
}
my $node = $nodes{$n};
if (defined $node) {
if (defined $node->{disabled}) {
push @attr, "style=filled", "fillcolor=red";
} elsif (disabled_requirements($node)) {
push @attr, "style=filled", "fillcolor=sandybrown";
}
}
print O " \"$n\" [".join(', ', @attr)."]\n" if @attr;
}
sub gen_edge($$$)
{
my $s = shift;
my $e = shift;
my $edges = shift;
return if $s eq $e;
my $outgoing = $edges->{$s};
return if defined $outgoing and defined $outgoing->{$e};
$outgoing->{$e} = 1 if defined $outgoing;
$edges->{$s} = { $e => 1 } unless defined $outgoing;
print O " \"$s\" -> \"$e\" [color=black]\n";
}
my %onodes;
my %edges;
foreach my $a (sort keys %nodes)
{
my $node = $nodes{$a};
my $lnode = get_node_name($a);
gen_node($lnode, \%onodes);
foreach (sort @{$node->{requires}})
{
if (defined $provided{$_})
{
gen_edge($lnode, get_node_name($provided{$_}->{name}), \%edges);
}
elsif (not defined $node->{disabled} and not $node->{alias})
{
print STDERR "ERROR: Package providing \"$_\" not found as required by \"$a\".\n";
$error_count++;
}
}
print O "\n";
}
print O "}\n";
close O;
if ($error_count)
{
print STDERR "PANIC: Detected $error_count dependency error(s).\n";
exit(1);
}
}
sub resolve_requires($)
{
my $n = shift;
foreach (@{$n->{requires}})
{
my $p = get_providing_pkg($_, $n->{name});
next unless defined $p;
$p->{required_by}->{$n->{name}} = $n;
$n->{requires_pkgs}->{$p->{name}} = $p;
}
foreach (@{$n->{'source-pkg'}})
{
my $p = get_src_pkg($n, $_);
next unless defined $p;
$p->{src_required_by}->{$n->{name}} = $n;
$n->{src_requires_pkgs}->{$p->{name}} = $p;
}
}
sub gen_required_dot_subtree
{
my $pnode = shift;
my $file = shift;
my $seen = shift;
my $edges = shift;
my @attribs = ("style=filled, fillcolor=yellow1");
$seen->{$pnode->{name}} = 1;
foreach (values %{$pnode->{requires_pkgs}})
{
my $edge = "\"$pnode->{name}\" -> \"$_->{name}\"";
next if defined $edges->{$edge};
$edges->{$edge} = 1;
my @attr;
push @attr, @attribs;
push @attr, "shape=septagon" if $_->{alias};
print $file " \"$_->{name}\" [".join(',',@attr)."]\n" if @attr;
print $file " $edge\n";
next if $seen->{$_->{name}};
gen_required_dot_subtree($_, $file, $seen, $edges);
}
foreach (values %{$pnode->{src_requires_pkgs}})
{
my @attr;
push @attr, @attribs;
push @attr, "shape=septagon" if $_->{alias};
print $file " \"$_->{name}\" [".join(',',@attr)."]\n" if @attr;
print $file " \"$pnode->{name}\" -> \"$_->{name}\" [constraint=false,style=dotted]\n";
}
}
sub gen_required_by_dot_subtree
{
my $p = shift;
my $file = shift;
my $seen = shift;
my $edges = shift;
my @attribs = ("style=filled, fillcolor=seagreen1");
$seen->{$p->{name}} = 1;
foreach (values %{$p->{required_by}})
{
my $edge = "\"$_->{name}\" -> \"$p->{name}\"";
next if defined $edges->{$edge};
$edges->{$edge} = 1;
my @attr;
push @attr, @attribs;
push @attr, "shape=septagon" if $_->{alias};
print $file " \"$_->{name}\" [".join(',',@attr)."]\n" if @attr;
print $file " $edge\n";
next if $seen->{$_->{name}};
gen_required_by_dot_subtree($_, $file, $seen, $edges);
}
}
sub generate_overview_set($$)
{
my $base_path = shift;
my $output_dir = shift;
die "Output directory not given." unless defined $output_dir;
scan_files($base_path, 1);
my $error_count = 0;
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst)
= localtime(time);
$year += 1900;
$mon++;
my $datestring = sprintf("%02d. %02d. %04d, %02d:%02d",
$mday, $mon, $year, $hour, $min);
generate_dot_file_all(undef, "| tred | dot -Tsvg -o $output_dir/all.svg");
open INDEX, ">$output_dir/index.html" or die "Cannot create $output_dir/index.html: $!";
print INDEX <<EOFOO;
<html>
<head>
<title>TUD:OS package dependency overview</title>
</head>
<body>
<h2>TUD:OS package dependency overview</h2>
<p>Generated: $datestring</p>
<p>
Legend of overview graphs:
<ul>
<li>Red: Broken package</li>
<li>Lightred: Package broken because it depends on broken package but is itself not broken</li>
</ul>
Legend of package graphs:
<ul>
<li>Blue: The package itself</li>
<li>Green: Reverse dependency of package</li>
<li>Yellow: Dependency of package</li>
</ul>
</p>
<p><a href=\"all.svg\">General overview</a><br/></p>
<table border=\"1\"><tr><td>Package</td><td>Maintainer(s)</td><td>Deps</td><td>Reverse Deps</td></tr>
EOFOO
resolve_requires($_) foreach values %nodes;
foreach my $pkg (sort keys %pkgs)
{
my $pnode = $nodes{$pkg};
(my $pkg_file = $pkg) =~ s/\//_/g;
open F, "| dot -Tsvg -o $output_dir/p_$pkg_file.svg" || die "Cannot open $output_dir/p_$pkg_file.svg: $!";
#open F, ">$output_dir/pkg_$pkg.dot" || die "Cannot open pkg_$pkg.dot: $!";
print F "# Automatically generated\n";
print F "#\n";
print F "# ", `date`;
print F "#\n";
print F "digraph dep {\n";
print F " graph [ label = \"\\nSource based package dependency for package '$pkg'\\n",
"$datestring\"];\n";
gen_required_dot_subtree($pnode, *F);
gen_required_by_dot_subtree($pnode, *F);
my %rev_deps = figure_out_dependant_pkgs($pkg);
my @deps = figure_out_pkg_dependecies($pkg);
print F " \"$pkg\" [style=filled, fillcolor=dodgerblue];\n";
print F "}\n";
close F;
# Generate HTML content
print INDEX "<tr><td><a href=\"p_$pkg_file.svg\">$pkg</a></td><td>\n";
print INDEX defined $pnode->{maintainer}
? (join " ", map { "<a href=\"mailto:$_\">$_</a>" } @{$pnode->{maintainer}}) : "none";
print INDEX "</td><td>\n";
foreach my $a (sort @deps)
{
(my $a_file = $a) =~ s/\//_/g;
print INDEX " <a href=\"p_$a_file.svg\">$a</a> ";
}
print INDEX "</td><td>\n";
foreach my $a (sort keys %rev_deps)
{
(my $a_file = $a) =~ s/\//_/g;
print INDEX " <a href=\"p_$a_file.svg\">$a</a> ";
}
print INDEX "</td></tr>\n";
}
print INDEX "</table>\n";
print INDEX "</body>\n</html>\n";
close INDEX;
if ($error_count)
{
print STDERR "PANIC: Detected $error_count dependency error(s).\n";
exit(1);
}
}
sub check_control($)
{
my $base_path = shift;
scan_files($base_path, 0);
foreach my $p (keys %pkgs)
{
my %pc_filenames;
my @libs_wo_pcfile;
open(F, "find '$base_path/$p' -name Makefile -o -name Make.rules |")
|| die "Cannot start find: $!";
while (my $file = <F>)
{
my $is_lib_build;
my $found_pc_filename;
my $not_public;
chomp $file;
open(M, $file) || die "Cannot open \"$_\": $!";
while (<M>)
{
chomp;
$found_pc_filename = $1
if /^\s*PC_FILENAME\s*:?=\s*(.+)\s*$/;
$is_lib_build = 1
if /^\s*include\s+.+\/mk\/lib.mk\s*$/;
$not_public = 1
if /^\s*NOTARGETSTOINSTALL\s*:?=\s/;
}
close M;
print "ERROR: $p: Not public but PC_FILENAME given\n"
if defined $not_public and defined $found_pc_filename;
unless (defined $not_public)
{
if (defined $found_pc_filename)
{
$found_pc_filename =~ s/\$\(PKGNAME\)/$p/;
$pc_filenames{$found_pc_filename} = 1;
}
elsif (defined $is_lib_build)
{
my $pkgname = $p;
$pkgname = $1 if $p =~ /.*\/([^\/]*)/;
$pc_filenames{$pkgname} = 1;
push @libs_wo_pcfile, $file;
}
}
}
foreach my $a (keys %pc_filenames)
{
print "ERROR: $p: Missing in provides '$a'\n"
if not defined $provided{$a} or $provided{$a}->{name} ne $p;
}
foreach my $a (keys %provided)
{
print "ERROR: $p: Provide not found as PC_FILENAME '$a'\n"
if $provided{$a}->{name} eq $p and not defined $pc_filenames{$a};
if ($provided{$a}->{name} eq $p and not defined $pc_filenames{$a}) {
print "P: ".join(' ', keys %pc_filenames)."\n";
}
}
print "ERROR: $p: Contains multiple libs without PC_FILENAME:\n",
" ", join("\n ", @libs_wo_pcfile), "\n"
if scalar @libs_wo_pcfile > 1;
close F;
}
print "TODO: check if something is provided by multiple packages\n";
}
sub show_pkg_deps($$@)
{
my $base_path = shift;
my $prefix = shift;
scan_files($base_path, 0);
my @p = figure_out_pkg_dependecies(@_);
print join("\n", map { "$prefix$_" } sort @p), "\n" if $prefix;
print join(' ', sort @p), "\n" unless $prefix;
}
sub show_pkg_deps_and_rdeps($$@)
{
my $base_path = shift;
my $prefix = shift;
scan_files($base_path, 0);
my %r = figure_out_dependant_pkgs(@_);
my @p = figure_out_pkg_dependecies(@_, keys %r);
print join("\n", map { "$prefix$_" } sort @p), "\n" if $prefix;
print join(' ', sort @p), "\n" unless $prefix;
}
sub show_maintainer($@)
{
scan_files(shift, 1);
if (@_)
{
my %m;
foreach (@_)
{
next if $_->{alias};
my $pkg = $nodes{$_};
if ($pkg->{maintainer})
{
$m{$_}++ foreach @{$pkg->{maintainer}};
}
else
{
$m{'NO MAINTAINER'} = 1;
}
}
print join(", ", keys %m), "\n";
}
else
{
my %m;
foreach (values %nodes)
{
next if $_->{alias};
if ($_->{maintainer})
{
print "$_->{name}: ", join(', ', @{$_->{maintainer}}), "\n";
$m{$_}++ foreach @{$_->{maintainer}};
}
else
{
print "$_->{name}: NO MAINTAINER\n";
}
}
print "Stats:\n", join("\n", map { sprintf "%3d: %s", $m{$_}, $_ } sort { $m{$b} <=> $m{$a} } keys %m), "\n";
}
}
sub smooth_control_file($$)
{
my $path = shift;
my $pkg = shift;
my $node = new_node({ name => $pkg, pkg => 1 });
scan_for_provided_pkg_configs($node, $path, $pkg, 1);
add_node($node, undef);
print "Provides: ".join(' ', keys %provided)."\n";
print "Requires: ".join(' ', @{$nodes{$pkg}->{requires}})."\n";
}
# a bit of hand-crafted option parsing, if it gets more use getopt
my @aliases_dirs;
while (1)
{
last unless defined $ARGV[0];
if ($ARGV[0] eq '-A')
{
shift;
push @aliases_dirs, shift;
}
elsif ($ARGV[0] eq '-P')
{
shift;
set_pcfiledir_for_aliases(shift),
}
elsif ($ARGV[0] eq '-I')
{
shift;
$ignore_missing = 1;
}
else
{
last;
}
}
my $cmd = shift @ARGV;
my $base_path = shift @ARGV;
die "Missing arguments"
if not defined $cmd or not defined $base_path;
read_aliases_dir($_, undef) foreach @aliases_dirs;
if ($cmd eq 'generate') {
generate_dep_makefile($base_path, @ARGV);
} elsif ($cmd eq 'dot') {
generate_dot_file_all($base_path, '>-');
} elsif ($cmd eq 'overviewset') {
generate_overview_set($base_path, $ARGV[0]);
} elsif ($cmd eq 'pkgdeps') {
show_pkg_deps($base_path, undef, @ARGV[0 .. $#ARGV]);
} elsif ($cmd eq 'pkgdepspath') {
show_pkg_deps($base_path, $ARGV[0], @ARGV[1 .. $#ARGV]);
} elsif ($cmd eq 'pkgdepsandrdeps') {
show_pkg_deps_and_rdeps($base_path, undef, @ARGV[0 .. $#ARGV]);
} elsif ($cmd eq 'collect') {
die "Missing argument" unless defined $ARGV[0];
smooth_control_file("$base_path/$ARGV[0]", $ARGV[0]);
} elsif ($cmd eq 'maintainer') {
show_maintainer($base_path, @ARGV[0 .. $#ARGV]);
} elsif ($cmd eq 'check') {
check_control($base_path);
} else {
die "Invalid command '$cmd'";
}