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|
#!@PREFIX@/bin/perl
# $NetBSD: pkgdepgraph.pl,v 1.1.1.1 2002/11/07 23:18:01 atatat Exp $
# pkgdepgraph: @DISTVER@
# (1) lintpkgsrc -i > ! pkgdepgraph.in (optional, adds color)
# (1a) audit-packages >> pkgdepgraph.in (optional, adds color)
# (2) ./pkgdepgraph pkgdepgraph.in > ! pkgdepgraph.out (can leave off lint)
# (3) dotty pkgdepgraph.out (to view it)
# (4) dot -Tgif pkgdepgraph.out > ! pkgdepgraph.gif
# (5) file pkgdepgraph.gif (to determine size)
# (6) dot -Tps pkgdepgraph.out > ! pkgdepgraph.ps
# (7) pstopnm -stdout -xsize 26332 -ysize 652 pkgdepgraph.ps > ! pkgdepgraph.ppm
use strict;
use Getopt::Std;
my($opts, %opt, $usecolor, $locations, $order, $versions) = ('cd:lov');
my($pkg_dbdir);
die("usage: $0 [-d pkg_dbdir] [-clov]\n") if (!getopts($opts, \%opt));
$usecolor = $opt{c};
$pkg_dbdir = $opt{d} || $ENV{'PKG_DBDIR'} || "/var/db/pkg";
$locations = $opt{l};
$order = $opt{o};
$versions = $opt{v};
my(@pkgs, $pkg, $req, %req, @reqs, @rreqs);
my(%where, %leaf, $pkgcnt, $num, %num, @num, %ord, @ord, $suffix);
my(%color, $color1, $color2, $ecolor, %vuln);
my(%need, $label);
##
## load out-of-date or security problem list (if given)
##
if (@ARGV || ! -t) {
$usecolor = 1;
while (<>) {
if (/^Version mismatch: '(\S+)' (\S+) vs (\S+)/) {
$color{"$1-$2"} = "red";
$need{"$1-$2"} = "$1-$3";
}
elsif (/^Unknown package: '(\S+)' version (\S+)/) {
$color{"$1-$2"} = "purple";
}
elsif (/Package (\S+) has a (\S+) vulnerability/) {
$vuln{$1} = $2;
$color{$1} = "red";
# $1 =~ /(\S+)-([0-9\.]*([a-z]+\d*)?(nb[0-9]*)?)$/i;
}
}
}
##
## load pkg list
##
chdir($pkg_dbdir);
opendir(P, ".") || die("opendir");
@pkgs = grep(/-/, readdir(P));
closedir(P);
$pkgcnt = @pkgs;
##
## where are they needed
##
foreach $pkg (@pkgs) {
$where{$pkg} = $pkg;
$leaf{$pkg} = 1 unless (defined($leaf{$pkg}));
open(R, "<$pkg/+BUILD_INFO") ||
die("$pkg: +BUILD_INFO: $!\n");
while (<R>) {
if (/^PKGPATH\s*=\s*(\S+)/) {
$where{$pkg} = $1;
last;
}
}
close(R);
next if (!open(R, "<$pkg/+REQUIRED_BY"));
while ($req = <R>) {
chomp($req);
$leaf{$pkg} = 0;
$req{$req}->{$pkg} = 1;
# print("$req -> $pkg\n");
}
}
##
## eliminate redundancies by deleting edges that are redundant
##
foreach $pkg (@pkgs) {
@reqs = sort(keys %{$req{$pkg}});
@rreqs = recurse(@reqs);
# print("$pkg -> (@reqs) -> (@rreqs)\n");
map(delete($req{$pkg}->{$_}), @rreqs);
}
##
## impose some sort of order on the pkgs by assigning them numbers
## that indicate their height in the graph
##
foreach $pkg (@pkgs) {
order(1, $pkg);
}
sub order {
my($n, @pkgs) = @_;
my($pkg);
foreach $pkg (@pkgs) {
$ord{$pkg} = $n if ($ord{$pkg} <= $n);
order($n + 1, sort(keys %{$req{$pkg}}));
}
}
##
## assign each pkg a group number, and count the number of pkgs in
## that group. the higher the number, the earlier we need to assign
## them to a group.
##
$num = 1;
foreach $pkg (sort(byord @pkgs)) {
my($pkgnum);
@reqs = sort(keys %{$req{$pkg}});
@rreqs = recurse(@reqs);
$pkgnum = number($pkg, @reqs, @rreqs) || $num;
foreach $req ($pkg, @reqs, @rreqs) {
$num[$num{$req}]--;
$num{$req} = $pkgnum;
$num[$num{$req}]++;
}
$num++;
}
##
## show left overs as a graph
##
print("digraph \"packages\" {\n");
foreach $pkg (sort(bynum @pkgs)) {
$color1 = color($pkg);
$label = $pkg;
$label =~ s/(.*)-.*/$1/ if (!$versions);
$label = "($ord{$pkg}) $label" if ($order);
$label = "$where{$pkg}\\n$label" if ($locations);
$label .= "\\n$need{$pkg}" if ($need{$pkg});
if ($vuln{$pkg}) {
$label .= "\\n(no update available)" if (!$need{$pkg});
$label .= "\\n[$vuln{$pkg}]";
}
$suffix = "\t// \#$ord{$pkg}, group $num{$pkg}, $num[$num{$pkg}] members, $pkgcnt pkgs";
$suffix .= ", LEAF" if ($leaf{$pkg});
printf("\"%s\" [color=\"%s\",label=\"%s\"];$suffix\n", $pkg , $color1, $label);
@reqs = sort(keys %{$req{$pkg}});
# print("// $pkg -> (@reqs)\n");
$suffix =~ s/, LEAF$//;
$suffix .= ", EDGE";
foreach $req (@reqs) {
$color2 = color($req);
printf("\"%s\" -> \"%s\" [color=\"%s\"];$suffix\n", $req, $pkg, $color2);
}
}
print("}\n");
##
## find all dependencies below a given node
##
sub recurse {
my($pkg, @list, %list);
%list = @list = ();
foreach $pkg (@_) {
@list = keys %{$req{$pkg}};
map($list{$_} = $_, @list, recurse(@list));
}
sort(keys %list);
}
##
## lowest number of a graph
##
sub number {
my($n, $pkg);
$n = 0;
foreach $pkg (@_) {
$n = $num{$pkg} if ($n == 0 || $num{$pkg} < $n);
}
$n + 0;
}
##
## pick a color based on the color of the dependencies
##
sub color {
my($pkg) = @_;
if (! $usecolor) {
"black";
}
elsif ($color{$pkg}) {
$color{$pkg};
}
else {
my($req, @reqs, $color);
@reqs = sort(keys %{$req{$pkg}});
@reqs = (@reqs, recurse(@reqs));
$color = "green";
foreach $req (@reqs) {
if ($color{$req} eq "red") {
return "orange";
}
elsif ($color{$req} eq "purple") {
$color = "blue";
}
}
$color;
}
}
##
## bynum - higher numbers come last
##
sub bynum {
return $num{$a} <=> $num{$b} ||
$a cmp $b;
}
##
## byord - higher orders comes first
##
sub byord {
return $ord{$b} <=> $ord{$a} ||
$b cmp $a;
}
|
