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authorJustin Davis <jrcd83@gmail.com>2011-10-21 22:46:21 +0200
committerJustin Davis <jrcd83@gmail.com>2011-10-21 22:46:21 +0200
commit879bbf01560e348d93c6903786fabae0607a59e6 (patch)
treedddf7f119a44d9754a1600edb42dfdcb4f1a21ff /lib/metas
parent623989ed692a74f40a162bb7a198ac8ffaf8215e (diff)
downloadgenpkg-879bbf01560e348d93c6903786fabae0607a59e6.tar.gz
genpkg-879bbf01560e348d93c6903786fabae0607a59e6.tar.xz
Create lib/ directory for meta generator and template scripts.
Diffstat (limited to 'lib/metas')
-rwxr-xr-xlib/metas/perl94
-rwxr-xr-xlib/metas/perl.d/cpandists66
-rwxr-xr-xlib/metas/perl.d/perl-dist561
3 files changed, 721 insertions, 0 deletions
diff --git a/lib/metas/perl b/lib/metas/perl
new file mode 100755
index 0000000..2f341e5
--- /dev/null
+++ b/lib/metas/perl
@@ -0,0 +1,94 @@
+#!/usr/bin/env perl
+
+use warnings 'FATAL' => 'all';
+use strict;
+
+use File::Fetch;
+use IO::Handle; # for autoflush
+use Cwd;
+
+my $PROG = 'perl';
+
+sub err
+{
+ print STDERR @_, "\n";
+ exit 2;
+}
+
+sub matchdist
+{
+ my ($dist) = @_;
+
+ # Refresh our local list of distributions if needed.
+ my $var = $ENV{'PKGVAR'}
+ or err("$PROG: PKGVAR env variable is unset\n");
+
+ if(!-f "$var/cpandists" || -M "$var/cpandists" > 1) {
+ print STDERR "Refreshing local CPAN distribution list...";
+ my $cwd = getcwd();
+ chdir($var) or die "chdir: $!";
+ system('cpandists');
+ err("FAILED") unless($? == 0);
+ print STDERR "OK\n";
+ chdir($cwd) or die "chdir: $!";
+ }
+
+ open(DISTS, '<', "$var/cpandists") or err("$PROG: open: $!");
+ while(<DISTS>) {
+ my @f = split;
+ next unless(lc($f[0]) eq lc($dist));
+ close(DISTS);
+ return ($f[0], $f[2]);
+ }
+ close(DISTS);
+ return ();
+}
+
+sub fetchdist
+{
+ my ($cpath) = @_;
+ my $file = $cpath; $file =~ s{^.*/}{};
+ if(-f $file) {
+ print STDERR "$file already downloaded.\n";
+ return;
+ }
+
+ my $mirror = $ENV{'CPANMIRROR'} || 'ftp://cpan.pair.com';
+ my $url = "${mirror}/authors/id/${cpath}";
+
+ print STDERR "Downloading $file... ";
+ my $ff = File::Fetch->new('uri' => $url);
+ err("FAILED") unless($ff->fetch());
+ print STDERR "OK\n";
+}
+
+sub main
+{
+ my $pkg = shift or die "Usage: $PROG [package name]\n";
+ my $dist = $pkg;
+
+ $dist = "app-$dist" if($dist =~ s/^perl-// == 0);
+
+ STDERR->autoflush(1);
+ my ($realname, $cpath) = matchdist($dist);
+ unless($realname){
+ print STDERR "$PROG: failed to find perl dist similar to $dist\n";
+ exit 1;
+ }
+ fetchdist($cpath);
+
+ print <<"END_META";
+url
+https://metacpan.org/release/$realname
+
+source
+http://search.cpan.org/CPAN/authors/id/$cpath
+
+END_META
+
+ my $file = $cpath; $file =~ s{^.*/}{};
+ system('perl-dist', $file);
+ return $?;
+}
+
+exit main(@ARGV);
diff --git a/lib/metas/perl.d/cpandists b/lib/metas/perl.d/cpandists
new file mode 100755
index 0000000..040db77
--- /dev/null
+++ b/lib/metas/perl.d/cpandists
@@ -0,0 +1,66 @@
+#!/bin/sh
+
+mirror=${CPANMIRROR:-ftp://cpan.pair.com}
+path=/modules/02packages.details.txt.gz
+
+curl --silent "$mirror$path" | gzip -dc | awk '
+NR < 10 { next }
+{
+ file = a[split($3, a, "/")]
+ len = split(file, a, ".")
+
+ if (!match(a[1], /[-_][vV]?[0-9]+$/)) {
+ #print "error: failed to grok " $3 | "cat 1>&2"
+ next
+ }
+ ver = substr(file, RSTART+1, RLENGTH-1)
+ dist = substr(file, 1, RSTART-1)
+ for (i=2; i<=len; i++) {
+ if (a[i] !~ /^[0-9]/) break
+ ver = ver "." a[i]
+ }
+ sub(/^[vV]/, "", ver)
+
+ # For some reason the newest version of perl had no modules in 02packages
+ # so I cant just use modules from the newest version of perl.
+ if(dist == "perl")
+ coremods = coremods $1 " " $2 "\n"
+ else
+ mods[dist,ver] = mods[dist,ver] $1 " " $2 "\n"
+
+ if (lessthan(dists[dist], ver)) {
+ dists[dist] = ver
+ paths[dist] = $3
+ }
+}
+
+END {
+ for (dist in dists) {
+ ver = dists[dist]
+ print dist, ver, paths[dist] | "sort >cpandists"
+ }
+ close("sort >cpandists")
+
+ # Prints modules out in sorted order, too!
+ while(getline<"cpandists" > 0) {
+ print $1 "\n" ($1 == "perl" ? coremods : mods[$1,$2]) >"cpanmods"
+ }
+}
+
+function lessthan (l, r)
+{
+ return decver(l) < decver(r)
+}
+
+function decver (vs)
+{
+ pcnt = gsub(/[.]/, ".", vs)
+ if (pcnt < 2) return vs
+
+ len = split(vs, vc, ".")
+ dec = vc[1]
+ for (i=2; i<=len; i++) dec += (10 ^ (-i * 3)) * vc[i]
+ return dec
+}
+
+'
diff --git a/lib/metas/perl.d/perl-dist b/lib/metas/perl.d/perl-dist
new file mode 100755
index 0000000..57b468b
--- /dev/null
+++ b/lib/metas/perl.d/perl-dist
@@ -0,0 +1,561 @@
+#!/usr/bin/env perl
+
+use warnings 'FATAL' => 'all';
+use strict;
+
+my $PROG = 'perl-dist';
+
+package Convert;
+
+use Module::CoreList;
+use LWP::UserAgent qw();
+use YAML::XS qw();
+use version qw();
+
+# Match unpredictible package names .
+my %OVERRIDE =
+ ('libwww-perl' => 'perl-libwww',
+ 'aceperl' => 'perl-ace',
+ 'mod_perl' => 'mod_perl',
+ 'glade-perl-two' => 'perl-glade-two',
+ 'Gnome2-GConf' => 'gconf-perl',
+ 'Gtk2-GladeXML' => 'glade-perl',
+ 'Glib' => 'glib-perl',
+ 'Gnome2' => 'gnome-perl',
+ 'Gnome2-VFS' => 'gnome-vfs-perl',
+ 'Gnome2-Canvas' => 'gnomecanvas-perl',
+ 'Gnome2-GConf' => 'gconf-perl',
+ 'Gtk2' => 'gtk2-perl',
+ 'Cairo' => 'cairo-perl',
+ 'Pango' => 'pango-perl',
+ 'Perl-Critic' => 'perl-critic',
+ 'Perl-Tidy' => 'perl-tidy',
+ 'App-Ack' => 'ack',
+ 'TermReadKey' => 'perl-term-readkey');
+
+sub dist2pkg
+{
+ my ($name, $ver) = @_;
+ return dist_pkgname($name), dist_pkgver($ver);
+}
+
+# Copied from CPANPLUS::Dist::Arch
+sub dist_pkgname
+{
+ my ($distname) = @_;
+
+ return $OVERRIDE{$distname} if(exists($OVERRIDE{$distname}));
+
+ # Package names should be lowercase and consist of alphanumeric
+ # characters only (and hyphens!)...
+ $distname = lc($distname);
+ $distname =~ tr/_+/--/;
+ $distname =~ tr/-a-z0-9//cd; # Delete all other chars
+ $distname =~ tr/-/-/s;
+
+ # Delete leading or trailing hyphens...
+ $distname =~ s/\A-//;
+ $distname =~ s/-\z//;
+
+ die qq{Dist name '$distname' completely violates packaging standards}
+ if(length($distname) == 0);
+
+ # Don't prefix the package with perl- if it IS perl...
+ $distname = "perl-$distname" unless($distname eq 'perl');
+
+ return $distname;
+}
+
+sub dist_pkgver
+{
+ my ($version) = @_;
+
+ # Remove developer versions because pacman has no special logic
+ # to handle comparing them to regular versions such as perl uses.
+ $version =~ s/_[^_]+\z//;
+
+ # Package versions should be numbers and decimal points only...
+ $version =~ tr/-_/../;
+ $version =~ tr/0-9.//cd;
+
+ $version =~ tr/././s;
+ $version =~ s/^[.]|[.]$//g;
+
+ return $version;
+}
+
+#---HELPER FUNCTION---
+# Decide if the dist. is named after the module.
+sub _ismainmod
+{
+ my ($mod_name, $dist_name) = @_;
+
+ $mod_name =~ tr/:/-/s;
+ return lc($mod_name) eq lc($dist_name);
+}
+
+#---HELPER FUNCTION---
+# Merges the right-hand deps into the left-hand deps.
+sub _merge
+{
+ my ($left_deps, $right_deps) = @_;
+
+ MERGE_LOOP:
+ while(my ($pkg, $ver) = each(%$right_deps)) {
+ if($left_deps->{$pkg}) {
+ my $leftver = version->parse($left_deps->{$pkg});
+ my $rightver = version->parse($ver);
+ next MERGE_LOOP if $leftver > $rightver;
+ }
+ $left_deps->{$pkg} = $ver;
+ }
+
+ return;
+}
+
+#---HELPER FUNCTION---
+# Merge duplicate deps into $left always storing the greatest version there.
+sub _mergedups
+{
+ my ($left, $right) = @_;
+
+ for my $name (keys %$left) {
+ my $rver = delete($right->{$name}) or next;
+ my $lver = $left->{$name};
+ my $lvo = ($lver ? version->parse($lver) : 0);
+ my $rvo = ($rver ? version->parse($rver) : 0);
+ $left->{$name} = ($lvo > $rvo ? $lvo : $rvo);
+ }
+
+ return;
+}
+
+sub _filterdeps(&$)
+{
+ my ($fsub, $deps) = @_;
+ my %fed;
+
+ my @pkgs = keys(%$deps);
+ for my $dname (grep { $fsub->() } @pkgs){
+ my $dver = delete($deps->{$dname});
+ $fed{$dname} = $dver if(defined $dver);
+ }
+
+ return \%fed;
+}
+
+#---HELPER FUNCTION---
+sub _yankcheckers
+{
+ _filterdeps { /^perl-pod-coverage$|^perl-test-/ } $_[0]
+}
+
+#---HELPER FUNCTION---
+# Converts a decimal perl version (like $]) into the dotted decimal
+# form that the official ArchLinux perl package uses.
+sub _perldepver
+{
+ my ($perlver) = @_;
+
+ # Fix perl-style vstrings which have a leading "v".
+ return $perlver if($perlver =~ s/\Av//);
+ return $perlver unless($perlver =~ /\A(\d+)[.](\d{3})(\d{1,3})\z/);
+
+ # Re-apply the missing trailing zeroes.
+ my $patch = $3;
+ $patch .= q{0} x (3 - length($patch));
+ return sprintf('%d.%d.%d', $1, $2, $patch);
+}
+
+#---PUBLIC FUNCNTION---
+# Translates CPAN module dependencies into ArchLinux package dependencies.
+sub _reqs2deps
+{
+ my ($prereqs) = @_;
+ my (@mods, %pkgdeps);
+
+ CPAN_DEP_LOOP:
+ while(my ($name, $ver) = each(%$prereqs)) {
+ # Sometimes a perl version is given as a prerequisite
+ if($name eq 'perl') {
+ $pkgdeps{'perl'} = _perldepver($ver);
+ next CPAN_DEP_LOOP;
+ }
+ push @mods, $name;
+ }
+
+ my %dists = _distsofmods(@mods);
+ while(my ($mod, $dist) = each %dists) {
+ my $pkgname = dist_pkgname($dist);
+ my $ver = $prereqs->{$mod};
+
+ # If the module is not named after the distribution, ignore its
+ # version which might not match the distribution.
+ undef $ver unless(_ismainmod($mod, $dist));
+
+ # If two module prereqs are in the same CPAN distribution then
+ # the version required for the main module will override.
+ # (because versions specified for other modules in the dist
+ # are 0)
+ $pkgdeps{$pkgname} ||= ($ver ? dist_pkgver($ver) : 0);
+ }
+
+ return \%pkgdeps;
+}
+
+sub prereqs
+{
+ my ($pkgname, $prereqs) = @_;
+
+ # maps perl names for different dependencies to ArchLinux's names
+ my %namemap = ('configure' => 'makedepends',
+ 'build' => 'makedepends',
+ 'test' => 'checkdepends',
+ 'runtime' => 'depends');
+
+ my %pkgdeps;
+ while (my ($perl, $arch) = each(%namemap)) {
+ my $reqs = $prereqs->{$perl}{'requires'};
+ my $deps; $deps = _reqs2deps($reqs) if($reqs);
+
+ next unless(keys(%$deps));
+ if($pkgdeps{$arch}) { _merge($pkgdeps{$arch}, $deps); }
+ else { $pkgdeps{$arch} = $deps; }
+ }
+
+ # ArchLinux now has a separate array for dependencies that we only
+ # need for checking (aka "testing"). Older perl METAs do not
+ # have this separated. Force any test modules to be checkdepends.
+ if(!$pkgdeps{'checkdepends'} && $pkgname !~ /\Aperl-test-/) {
+ my $checkdeps = {};
+ _merge($checkdeps, _yankcheckers($pkgdeps{$_})) for(qw/makedepends depends/);
+ $pkgdeps{'checkdepends'} = $checkdeps;
+ }
+
+ # We at least require perl, if nothing else.
+ unless(grep { scalar(keys(%$_)) > 0 } values(%pkgdeps)) {
+ $pkgdeps{'depends'}{'perl'} = 0;
+ }
+
+ _mergedups(@pkgdeps{'makedepends', 'checkdepends'});
+ _mergedups(@pkgdeps{'depends', 'makedepends'});
+
+ # Convert all deps into arrays of strings.
+ for my $deptype (keys(%pkgdeps)) {
+ $pkgdeps{$deptype} = _stringify($pkgdeps{$deptype});
+ }
+
+ return \%pkgdeps;
+}
+
+#---HELPER FUNCTION---
+sub _stringify
+{
+ my ($deps) = @_;
+
+ my @depstrs;
+ for my $pkg (sort(keys(%$deps))) {
+ my $ver = $deps->{$pkg};
+ my $str = ($ver eq '0' ? $pkg : "$pkg>=$ver");
+ push(@depstrs, $str);
+ }
+
+ return \@depstrs;
+}
+
+sub _distsofmods
+{
+ my (@mods) = @_;
+
+ return () if(@mods == 0);
+
+ use Time::HiRes qw(time);
+ my $beg = time;
+
+ my $var = $ENV{'PKGVAR'}
+ or die "$PROG: PKGVAR env variable is unset\n";
+ open(my $fh, '<', "$var/cpanmods")
+ or die "$PROG: failed to open $var/cpanmods: $!";
+
+ my (@hunted, %dists) = @mods;
+ local $/ = '';
+
+ RECLOOP:
+ while(my $rec = <$fh>) {
+ my ($dist, @modvers) = split(/\n/, $rec);
+ for (@modvers) {
+ my ($m) = split;
+
+ CMPLOOP:
+ for my $i (0 .. $#hunted) {
+ next CMPLOOP unless($hunted[$i] eq $m);
+ $dists{$m} = $dist;
+ splice @hunted, $i, 1;
+ last RECLOOP if(@hunted == 0);
+ last CMPLOOP;
+ }
+ }
+ }
+
+ if (@hunted) {
+ for my $lost (@hunted) {
+ print STDERR "$PROG: failed to find module $lost\n";
+ }
+ exit 2;
+ }
+
+ return %dists;
+}
+
+#-----------------------------------------------------------------------------
+
+package main;
+
+use File::Basename qw(basename dirname);
+use File::Spec::Functions qw(catfile catdir);
+use File::Find qw(find);
+
+use JSON::XS qw(decode_json); # for META.json
+use YAML::XS (); # for META.yml
+use Pod::Select (); # search POD for description
+
+use Digest::MD5 (); # for md5sums & sha512sums
+use Digest::SHA ();
+
+sub main
+{
+ my $distpath = shift() or die "Usage: $PROG [path to cpan dist file]\n";
+ my $dir = dirname($distpath);
+ my $file = basename($distpath);
+ my $info = distinfo($file);
+
+ chsrcdir(catdir($dir, 'src'), $file);
+ $dir = extractdist($file);
+
+ my $meta = loadmeta($dir);
+ my $desc = $meta->{'abstract'};
+ if(!$desc || $desc eq '~') {
+ $meta->{'abstract'} = distdesc($dir, $info->{'mod'});
+ }
+
+ my ($name, $ver) = Convert::dist2pkg(@{$info}{'name', 'ver'});
+ my $deps = Convert::prereqs($name, $meta->{'prereqs'});
+
+ my %pbvars =
+ ('pkgver' => $ver,
+ 'pkgdesc' => $meta->{'abstract'},
+ 'arch' => (xsdist($dir) ? ['i686', 'x86_64'] : 'any'),
+ 'md5sums' => md5sums($file),
+ 'sha512sums' => sha512sums($file),
+ 'distdir' => $dir,
+ %$deps,
+ );
+
+ # Since this is a perl distribution, use the perl-pkg template.
+ printf("template\nperl-pkg %s\n\n", (-f "$dir/Build.PL" ? "MB" : "MM"));
+ print("options\n!emptydirs\n\n");
+
+ printmeta(\%pbvars);
+ return 0;
+}
+
+# Create the src/ directory and tarball symlink. Then chdir into it.
+
+sub chsrcdir
+{
+ my ($srcdir, $distfile) = @_;
+
+ if (-e $srcdir) {
+ system("rm", "-fr", $srcdir) == 0 or die "failed to rm $srcdir\n";
+ }
+ mkdir $srcdir or die "mkdir $srcdir: $!";
+ chdir($srcdir) or die "chdir $srcdir: $!";
+ unless(-f $distfile) {
+ symlink(catfile('..', $distfile), $distfile) or die "symlink $distfile: $!";
+ }
+
+ return $srcdir;
+}
+
+sub distinfo
+{
+ my ($distfile) = @_;
+
+ my @c = split(/-/, $distfile);
+ my $ver = pop(@c);
+ my $name = join(q{-}, @c);
+ my $mod = $name;
+ $mod =~ s/-/::/g;
+ return { 'name' => $name, 'ver' => $ver, 'mod' => $mod };
+}
+
+sub extractdist
+{
+ my ($file) = @_;
+
+ system("bsdtar -xf $file");
+ die "$PROG: bsdtar failed to extract $file\n" unless($? == 0);
+
+ opendir(my $srcdir, '.') or die "opendir: $!";
+ my @dirs = grep { -d $_ && !/\A[.]/ } readdir($srcdir);
+ closedir($srcdir);
+
+ die("$PROG: many dirs (@dirs) inside the tarball $file\n")
+ if(@dirs > 1);
+ die("$PROG: no dirs found in tarball $file\n") if(@dirs == 0);
+ return $dirs[0];
+}
+
+sub printmeta
+{
+ my ($pbvars) = @_;
+ while(my ($name, $val) = each(%$pbvars)) {
+ if(!defined($val) || $val eq q{}) {
+ warn("$PROG: warning: $name is undefined\n");
+ $val = q{};
+ }
+ print($name, "\n");
+ print("$_\n") for (ref $val ? @$val : $val);
+ print("\n");
+ }
+
+ # TODO: autodetect license type
+ printf("license\n%s\n\n", join("\n", qw/PerlArtistic GPL/));
+}
+
+sub loadmeta
+{
+ my ($distdir) = @_;
+
+ for my $metaext (qw/json yml/) {
+ my $path = "$distdir/META.$metaext";
+ next unless -f $path;
+
+ open(my $metafh, '<', $path) or die "open: $!";
+ my $meta = do { local $/; <$metafh> };
+ close($metafh);
+
+ $meta = ($metaext eq 'json' ? decode_json($meta) :
+ $metaext eq 'yml' ? YAML::XS::Load($meta) :
+ die "internal error: unknown \$metaext: $metaext");
+
+ upgrademeta($meta);
+ return $meta;
+ }
+
+ return undef;
+}
+
+sub upgrademeta
+{
+ my ($meta) = @_;
+
+ return if(exists($meta->{'prereqs'}));
+
+ my $prereqs;
+ $prereqs->{'configure'}{'requires'} = delete($meta->{'configure_requires'});
+ $prereqs->{'build'}{'requires'} = delete($meta->{'build_requires'});
+ $prereqs->{'runtime'}{'requires'} = delete($meta->{'requires'});
+
+ $meta->{'prereqs'} = $prereqs;
+ return;
+}
+
+sub xsdist
+{
+ my ($dir) = @_;
+ my $isxs;
+ find({ 'wanted' => sub { $isxs = 1 if(/[.]xs$/) }, 'no_chdir' => 1 }, $dir);
+ return $isxs;
+}
+
+#-----------------------------------------------------------------------------
+
+sub distdesc
+{
+ my ($dir, $modname) = @_;
+ return _poddesc($dir, $modname) || _readmedesc($dir, $modname);
+}
+
+sub _poddesc
+{
+ my ($dir, $modname) = @_;
+
+ my $podselect = Pod::Select->new;
+ $podselect->select('NAME');
+
+ my $modpath = $modname; $modpath =~ s{::}{/}g;
+ my $moddir = dirname($modpath);
+ my $modfile = basename($modpath);
+
+ # First check under lib/ for a "properly" pathed module, with
+ # nested directories. Then search desperately for a .pm file that
+ # matches the module's last name component.
+
+ my @possible = glob("$dir/{lib/,}{$moddir/,}$modfile.{pod,pm}");
+
+ PODSEARCH:
+ for my $podpath (@possible) {
+ next PODSEARCH unless(-f $podpath);
+
+ # Read the NAME section of the POD into a scalar.
+ my $namesect = q{};
+ open(my $podfile, '<', $podpath) or next PODSEARCH;
+ open(my $podout, '>', \$namesect) or die "open: $!";
+
+ $podselect->parse_from_filehandle($podfile, $podout);
+
+ close($podfile);
+ close($podout) or die "close: $!";
+
+ next PODSEARCH unless($namesect);
+
+ # Remove formatting codes.
+ $namesect =~ s{ [IBCLEFSXZ] <(.*?)> }{$1}gxms;
+ $namesect =~ s{ [IBCLEFSXZ] <<(.*?)>> }{$1}gxms;
+
+ # The short desc is on a line beginning with 'Module::Name - '
+ return $1 if($namesect =~ / ^ \s* $modname [ -]+ ([^\n]+) /xms);
+ }
+
+ return undef;
+}
+
+#---HELPER FUNCTION---
+sub _readmedesc
+{
+ my ($dir, $modname) = @_;
+
+ my $path = catfile($dir, 'README');
+ return undef unless(-f $path);
+ open(my $fh, '<', $path) or die "open: $!";
+
+ while (<$fh>) {
+ chomp;
+ next unless((/\ANAME/ ... /\A[A-Z]+/)
+ && / \A \s* ${modname} [\s\-]+ (.+) \z /x);
+ return $1;
+ }
+
+ close $fh;
+ return undef;
+}
+
+#-----------------------------------------------------------------------------
+
+sub md5sums
+{
+ return [ map {
+ open(my $fh, '<', $_) or die "open: $!";
+ my $md5 = Digest::MD5->new()->addfile($fh)->hexdigest;
+ } @_ ]
+}
+
+sub sha512sums
+{
+ return [ map {
+ my $sha = Digest::SHA->new(512)->addfile($_)->hexdigest;
+ } @_ ]
+}
+
+exit main(@ARGV);