8 use File::Copy qw<copy>;
9 use List::Util qw<max reduce>;
13 use CPAN::DistnameInfo 0.11;
15 use Capture::Tiny qw<capture>;
17 use Parse::CPAN::Packages::Fast;
20 use CPANPLUS::Dist::Gentoo::Atom;
21 use CPANPLUS::Dist::Gentoo::Maps;
23 use constant PACKAGES => File::Spec->catdir(
24 $ENV{HOME}, '.cpanplus', '02packages.details.txt.gz'
26 use constant CPAN_MIRROR => 'http://www.cpan.org/';
27 use constant PORTAGE => '/usr/portage';
28 use constant TARGET => 'lib/CPANPLUS/Dist/Gentoo/Maps.pm';
29 use constant BACKUP => TARGET . '.bak';
30 use constant DATA_FILE => 'gentooisms.data.sto';
31 use constant STATE_FILE => 'gentooisms.state.sto';
34 'Audio-CD-disc-cover' => 0,
35 'Video-Frequencies' => 0,
37 'WattsUp-Daemon' => 1,
41 my ($indent, $fmt, @args) = @_;
42 $fmt = (' ' x ($indent * 3)) . $fmt;
46 my $timestamp = CPANPLUS::Dist::Gentoo::Maps::get_portage_timestamp(PORTAGE);
54 unless (defined $ua) {
55 $ua = LWP::UserAgent->new;
56 $ua->agent('CPANPLUS::Dist::Gentoo gentooisms generator/1.0');
59 my $r = $ua->head(CPAN_MIRROR . $path);
61 return $r && $r->code == 200;
66 my (@not_on_cpan, @unfindable, @missing, %name_mismatch, %version);
68 sub parse_portage_tree {
69 my $pcp = Parse::CPAN::Packages::Fast->new(PACKAGES);
71 for my $category (qw<perl-core dev-perl>) {
72 p(0, "Browsing the $category category.\n");
74 my $cat_dir = File::Spec->catdir(PORTAGE, $category);
76 for my $pkg_dir (glob File::Spec->catdir($cat_dir, '*')) {
77 next unless -d $pkg_dir;
79 my $pkg_name = (File::Spec->splitdir($pkg_dir))[-1];
81 my $last = reduce { $a->[1] > $b->[1] ? $a : $b }
83 map [ $_, CPANPLUS::Dist::Gentoo::Atom->new_from_ebuild($_) ],
84 glob File::Spec->catfile($pkg_dir, "$pkg_name-*");
85 my ($ebuild, $atom) = @$last;
86 p(1, "%s/%s-%s\n", map $atom->$_, qw<category name version>);
88 if (exists $is_on_cpan{$pkg_name} and not $is_on_cpan{$pkg_name}) {
89 p(2, colored("$pkg_name is not a CPAN distribution (forced)", 'bright_red')
91 push @not_on_cpan, "$category/$pkg_name";
96 if (exists $fetched_uri{$ebuild}) {
97 $uri = $fetched_uri{$ebuild};
99 my @cmd = ('ebuild', $ebuild, 'help', '--debug');
101 (undef, my $err) = capture {
102 $ret = system { $cmd[0] } @cmd;
105 if ($ret != 0 or $code == -1 or $code & 127 or $code >> 8) {
106 die "system(\"@cmd\") returned $ret and/or failed with status $code";
110 while ($err =~ /([a-zA-Z0-9_]+)=((['"]).*?\3|\S+)/gs) {
113 $val =~ s{^(['"])(.*?)\1$}{$2}s;
117 $uri = $map{SRC_URI};
118 unless (defined $uri) {
119 my $author = $map{MODULE_AUTHOR};
120 if (defined $author) {
121 my ($au, $a) = $author =~ /^((.).)/;
122 my $dist_version = $map{MODULE_VERSION};
123 $dist_version = $last->[1] unless defined $dist_version;
124 $uri = "mirror://cpan/$a/$au/$author/$pkg_name/$dist_version.tar.gz";
128 $fetched_uri{$ebuild} = $uri;
135 my ($fqn_dist, $path);
137 if ($uri =~ m{cpan.*?/id/(\S+)}) {
139 $path = "authors/id/$fqn_dist";
140 $is_on_cpan{$pkg_name} = 1;
141 } elsif ($uri =~ m{mirror://cpan/(\S+)}) {
143 $is_on_cpan{$pkg_name} = 1;
144 } elsif ($uri =~ m{/([^/\s]+)(?:\s|$)}) {
146 my ($top_level) = $archive =~ /^([^-]+)/;
147 $path = "modules/by-module/$top_level/$archive";
151 unless (defined $path) {
152 p(2, "doesn't seem to be fetching its tarball from a CPAN mirror\n");
153 p(2, colored("$pkg_name is not a CPAN distribution", 'bright_red') . "\n");
154 push @not_on_cpan, "$category/$pkg_name";
157 p(2, "fetches $path\n");
160 if (defined $fqn_dist) {
161 p(2, 'is indexed on the CPAN... ');
164 eval { $pcp->distribution($fqn_dist) }
166 print defined $dist ? "yes\n" : "no\n";
169 unless (defined $dist) {
170 p(2, 'can directly be found on a CPAN mirror... ');
171 if (cpan_http_test($path)) {
173 $dist = CPAN::DistnameInfo->new($path);
179 my ($pseudo_dist, $latest_dist);
181 unless (defined $dist) {
182 p(2, 'has the same name as a distribution on the CPAN... ');
183 $path =~ m{([^/\s]+)$} or die 'Could not get the last part of the path';
185 $pseudo_dist = CPAN::DistnameInfo->new($archive);
188 eval { $pcp->latest_distribution($pseudo_dist->dist) };
191 unless (defined $latest_dist) {
193 p(2, 'is similiar to a module indexed in another distribution of the CPAN... ');
194 (my $mod_name = $pkg_name) =~ s/-/::/g;
198 my $module = $pcp->package($mod_name);
199 defined $module ? $module->distribution : undef;
202 if (defined $latest_dist) {
203 # Re-forge the pseudo dist so that it will pick up the correct dist
204 # name when looking for a mismatch.
205 $pseudo_dist = CPAN::DistnameInfo->new(
206 $latest_dist->dist . '-' . $pseudo_dist->version
207 . '.' . $pseudo_dist->extension
212 my ($latest_file, $latest_author);
213 if (defined $latest_dist) {
214 $latest_file = $latest_dist->filename;
215 $latest_author = $latest_dist->cpanid;
216 printf "yes, %s by %s\n",
218 (defined $latest_author ? $latest_author : 'unknown');
223 if (defined $latest_author) {
224 my ($au, $a) = $latest_author =~ /^((.).)/ or die 'Author name too short';
225 p(2, 'is in that author\'s CPAN directory... ');
226 my $alternate_path = "authors/id/$a/$au/$latest_author/$archive";
227 if ($alternate_path eq $path) {
228 print "already checked\n";
229 } elsif (cpan_http_test($alternate_path)) {
230 $dist = CPAN::DistnameInfo->new($alternate_path);
235 unless (defined $dist) {
237 "$category/$pkg_name (latest is $latest_file by $latest_author)";
242 unless (defined $dist) {
243 if ($latest_dist or $is_on_cpan{$pkg_name}) {
244 $dist = $pseudo_dist;
245 unless ($latest_dist) {
246 push @unfindable, "$category/$pkg_name";
248 p(2, "seems to come from the CPAN anyway\n");
250 p(2, colored("$pkg_name is not a CPAN distribution", 'bright_red') . "\n");
251 push @not_on_cpan, "$category/$pkg_name";
256 my $dist_name = $dist->dist;
257 if ($dist_name ne $pkg_name) {
258 p(2, colored("$dist_name => $pkg_name", 'bright_yellow') . "\n");
259 $name_mismatch{$dist_name} = $pkg_name;
262 my $pkg_version = $atom->version . '';
263 $pkg_version =~ s/-r\d+$//;
264 my $dist_version = $dist->version;
265 my $mapped_version = CPANPLUS::Dist::Gentoo::Maps::version_c2g(
266 undef, # default conversion
269 if ($mapped_version ne $pkg_version) {
270 my $str = "$dist_version => $mapped_version != $pkg_version";
271 p(2, colored($str, 'bright_cyan') . "\n");
273 $version{$dist_name} = [ $dist_version => $pkg_version ];
278 my $already_parsed = 0;
281 my $state = Storable::retrieve(STATE_FILE);
282 if ($state->[0] == $timestamp) {
283 printf "State retrieved from %s\n", STATE_FILE;
284 @not_on_cpan = @{ $state->[1] };
285 @unfindable = @{ $state->[2] };
286 @missing = @{ $state->[3] };
287 %name_mismatch = %{ $state->[4] };
288 %version = %{ $state->[5] };
291 printf "Obsolete state file %s, regenerating\n", STATE_FILE;
292 1 while unlink STATE_FILE;
296 unless ($already_parsed) {
298 my $data = Storable::retrieve(DATA_FILE);
299 if ($data->[0] == $timestamp) {
300 printf "Data retrieved from %s\n", DATA_FILE;
301 %fetched_uri = %{ $data->[1] };
303 printf "Obsolete data file %s, regenerating\n", DATA_FILE;
304 1 while unlink DATA_FILE;
308 parse_portage_tree();
319 printf "State stored to %s\n", STATE_FILE;
325 p(1, "Not on the CPAN:\n");
326 p(2, "$_\n") for @not_on_cpan;
328 p(1, "Alleged to be on the CPAN, but unfindable:\n");
329 p(2, "$_\n") for @unfindable;
331 p(1, "Only a different version is on the CPAN:\n");
332 p(2, "$_\n") for @missing;
334 p(1, "Name mismatch:\n");
335 for my $dist_name (sort keys %name_mismatch) {
336 my $pkg_name = $name_mismatch{$dist_name};
337 my $mapped_name = CPANPLUS::Dist::Gentoo::Maps::name_c2g($dist_name);
339 my $fixed = $mapped_name eq $pkg_name;
340 my $eq = $fixed ? '==' : '!=';
342 "$dist_name => $mapped_name $eq $pkg_name",
343 $fixed ? 'bright_green' : 'bright_red'
348 p(1, "Version mismatch:\n");
349 for (sort keys %version) {
350 my ($dist_version, $pkg_version) = @{$version{$_}};
351 my $default_mapped_version = CPANPLUS::Dist::Gentoo::Maps::version_c2g(
355 my $mapped_version = CPANPLUS::Dist::Gentoo::Maps::version_c2g(
359 if ($default_mapped_version ne $pkg_version) {
360 my $fixed = $mapped_version eq $pkg_version;
361 my $eq = $fixed ? '==' : '!=';
363 "$dist_version => $mapped_version $eq $pkg_version",
364 $fixed ? 'bright_green' : 'bright_red'
370 copy TARGET, BACKUP or die "copy failed: $!";
372 open my $src, '<', BACKUP;
373 open my $dst, '>', TARGET;
375 my $max = max map length, keys %name_mismatch;
377 SRC: while (<$src>) {
378 if (/^sub TIMESTAMP/) {
379 print $dst "sub TIMESTAMP () { $timestamp }\n";
380 } elsif (/^__DATA__$/) {
381 print $dst "__DATA__\n";
382 printf $dst "%s%s %s\n", $_, (' ' x ($max - length)), $name_mismatch{$_}
383 for sort keys %name_mismatch;
390 print "\n" . +(keys %name_mismatch) . " name mismatches found\n";