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authorBritney Fransen <brfransen@gmail.com>2018-05-29 22:07:57 (GMT)
committerBritney Fransen <brfransen@gmail.com>2018-05-29 22:07:57 (GMT)
commitd5d2d3cfb18d8687a6c38e10bbc231f18ce58b24 (patch)
treeca126a38b3b433815e5a658ba3efc68d0e8b905d /abs/core/perl/provides.pl
parent2eb82b89e4c9785d307e1ed12a042b9745ec7d8e (diff)
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perl: update to 5.26.2
Diffstat (limited to 'abs/core/perl/provides.pl')
-rw-r--r--abs/core/perl/provides.pl299
1 files changed, 0 insertions, 299 deletions
diff --git a/abs/core/perl/provides.pl b/abs/core/perl/provides.pl
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--- a/abs/core/perl/provides.pl
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@@ -1,299 +0,0 @@
-# provides.pl
-##
-# Script for printing out a provides list of every CPAN distribution
-# that is bundled with perl. You can run it before building perl
-# or you can run it after building perl. Required modules are in core
-# for perl 5.13 and above. It might be nice if this didn't require
-# HTTP::Tiny and maybe just used wget or curl.
-#
-# This script uses HTTP::Tiny to query Tatsuhiko Miyagawa's webapp at
-# cpanmetadb.plackperl.org to cross-reference module files to their
-# providing CPAN distribution. Thank you Miyagawa!
-#
-# - Justin "juster" Davis <jrcd83@gmail.com>
-
-use warnings 'FATAL' => 'all';
-use strict;
-
-package Common;
-
-sub evalver
-{
- my ($path, $mod) = @_;
-
- open my $fh, '<', $path or die "open $path: $!";
-
- my $m = ($mod
- ? qr/(?:\$${mod}::VERSION|\$VERSION)/
- : qr/\$VERSION/);
-
- while (my $ln = <$fh>) {
- next unless $ln =~ /\s*$m\s*=\s*.+/;
- chomp $ln;
- my $ver = do { no strict; eval $ln };
- return $ver unless $@;
- die qq{$path:$. bad version string in "$ln"\n};
- }
-
- close $fh;
- return undef;
-}
-
-
-#-----------------------------------------------------------------------------
-
-package Dists;
-
-sub maindistfile
-{
- my ($dist, $dir) = @_;
-
- # libpath is the modern style, installing modules under lib/
- # with dirs matching the name components.
- my $libpath = join q{/}, 'lib', split /-/, "${dist}.pm";
-
- # dumbpath is an old style where there's no subdirs and just
- # a .pm file.
- my $dumbpath = $dist;
- $dumbpath =~ s/\A.+-//;
- $dumbpath .= ".pm";
-
- my @paths = ($libpath, $dumbpath);
- # Some modules (with simple names like XSLoader, lib, etc) are
- # generated by Makefile.PL. Search through their generating code.
- push @paths, "${dist}_pm.PL" if $dist =~ tr/-/-/ == 0;
-
- for my $path (map { "$dir/$_" } @paths) { return $path if -f $path; }
- return undef;
-}
-
-sub module_ver
-{
- my ($dist, $dir) = @_;
-
- my $path = maindistfile($dist, $dir) or return undef;
-
- my $mod = $dist;
- $mod =~ s/-/::/g;
- my $ver = Common::evalver($path, $mod);
- unless ($ver) {
- warn "failed to find version in module file for $dist\n";
- return undef;
- }
-
- return $ver;
-}
-
-sub changelog_ver
-{
- my ($dist, $dir) = @_;
-
- my $path;
- for my $tmp (glob "$dir/{Changes,ChangeLog}") {
- if (-f $tmp) { $path = $tmp; last; }
- }
- return undef unless $path;
-
- open my $fh, '<', $path or die "open: $!";
- while (<$fh>) {
- return $1 if /\A\s*(?:$dist[ \t]*)?([0-9._]+)/;
- return $1 if /\A\s*version\s+([0-9._]+)/i;
- }
- close $fh;
-
- return undef;
-}
-
-# for some reason podlators has a VERSION file with perl code in it
-sub verfile_ver
-{
- my ($dist, $dir) = @_;
-
- my $path = "$dir/VERSION";
- return undef unless -f $path; # no warning, only podlaters has it
-
- return Common::evalver($path);
-}
-
-# scans a directory full of nicely separated dist. directories.
-sub scan_distroot
-{
- my ($distroot) = @_;
- opendir my $cpand, "$distroot" or die "failed to open $distroot";
- my @dists = grep { !/^\./ && -d "$distroot/$_" } readdir $cpand;
- closedir $cpand;
-
- my @found;
- for my $dist (@dists) {
- my $distdir = "$distroot/$dist";
- my $ver = (module_ver($dist, $distdir)
- || changelog_ver($dist, $distdir)
- || verfile_ver($dist, $distdir));
-
- if ($ver) { push @found, [ $dist, $ver ]; }
- else { warn "failed to find version for $dist\n"; }
- }
- return @found;
-}
-
-sub find
-{
- my ($srcdir) = @_;
- return map { scan_distroot($_) } glob "$srcdir/{cpan,dist}";
-}
-
-#-----------------------------------------------------------------------------
-
-package Modules;
-
-use HTTP::Tiny qw();
-use File::Find qw();
-use File::stat;
-
-*findfile = *File::Find::find;
-
-sub cpan_provider
-{
- my ($module) = @_;
- my $url = "http://cpanmetadb.plackperl.org/v1.0/package/$module";
- my $http = HTTP::Tiny->new;
- my $resp = $http->get($url);
- return undef unless $resp->{'success'};
-
- my ($cpanpath) = $resp->{'content'} =~ /^distfile: (.*)$/m
- or return undef;
-
- my $dist = $cpanpath;
- $dist =~ s{\A.+/}{}; # remove author directory
- $dist =~ s{-[^-]+\z}{}; # remove version and extension
- return ($dist eq 'perl' ? undef : $dist);
-}
-
-sub find
-{
- my ($srcdir) = @_;
- my $libdir = "$srcdir/lib/";
- die "failed to find $libdir directory" unless -d $libdir;
-
- # Find only the module files that have not changed since perl
- # was extracted. We don't want the files perl just recently
- # installed into lib/. We processed those already.
- my @modfiles;
- my $finder = sub {
- return unless /[.]pm\z/;
- return if m{\Q$libdir\E[^/]+/t/}; # ignore testing modules
- push @modfiles, $_;
- };
- findfile({ 'no_chdir' => 1, 'wanted' => $finder }, $libdir);
-
- # First we have to find what the oldest ctime actually is.
- my $oldest = time;
- @modfiles = map {
- my $modfile = $_;
- my $ctime = (stat $modfile)->ctime;
- $oldest = $ctime if $ctime < $oldest;
- [ $modfile, $ctime ]; # save ctime for later
- } @modfiles;
-
- # Then we filter out any file that was created more than a
- # few seconds after that. Process the rest.
- my @mods;
- for my $modfile (@modfiles) {
- my ($mod, $ctime) = @$modfile;
- next if $ctime - $oldest > 5; # ignore newer files
-
- my $path = $mod;
- $mod =~ s{[.]pm\z}{};
- $mod =~ s{\A$libdir}{};
- $mod =~ s{/}{::}g;
-
- my $ver = Common::evalver($path, $mod) || q{};
- push @mods, [ $mod, $ver ];
- }
-
- # Convert modules names to the dist names who provide them.
- my %seen;
- my @dists;
- for my $modref (@mods) {
- my ($mod, $ver) = @$modref;
- my $dist = cpan_provider($mod) or next; # filter out core modules
- next if $seen{$dist}++; # avoid duplicate dists
- push @dists, [ $dist, $ver ];
- }
- return @dists;
-}
-
-#-----------------------------------------------------------------------------
-
-package Dist2Pkg;
-
-sub name
-{
- my ($name) = @_;
- my $orig = $name;
-
- # Package names should be lowercase and consist of alphanumeric
- # characters only (and hyphens!)...
- $name =~ tr/A-Z/a-z/;
- $name =~ tr/_+/-/; # _ and +'s converted to - (ie Tabbed-Text+Wrap)
- $name =~ tr/-a-z0-9+//cd; # Delete all other chars.
- $name =~ tr/-/-/s;
-
- # Delete leading or trailing hyphens...
- $name =~ s/\A-|-\z//g;
-
- die qq{Dist. name '$orig' completely violates packaging standards}
- unless $name;
-
- return "perl-$name";
-}
-
-sub version
-{
- my ($version) = @_;
-
- # Package versions should be numbers and decimal points only...
- $version =~ tr/-/./;
- $version =~ tr/_0-9.-//cd;
-
- # Remove developer versions because pacman has no special logic
- # to compare them to regular versions like perl does.
- $version =~ s/_[^_]+\z//;
-
- $version =~ tr/_//d; # delete other underscores
- $version =~ tr/././s; # only one period at a time
- $version =~ s/\A[.]|[.]\z//g; # shouldn't start or stop with a period
-
- return $version;
-}
-
-#-----------------------------------------------------------------------------
-
-package main;
-
-my %CPANNAME = ('List-Util' => 'Scalar-List-Utils',
- 'Text-Tabs' => 'Text-Tabs+Wrap',
- 'Cwd' => 'PathTools');
-
-my $perldir = shift or die "Usage: $0 [path to perl source directory]\n";
-die "$perldir is not a valid directory." unless -d $perldir;
-
-my @dists = (Dists::find($perldir), Modules::find($perldir));
-for my $dist (@dists) {
- my $name = $dist->[0];
- $dist->[0] = $CPANNAME{$name} if exists $CPANNAME{$name};
-}
-
-my @pkgs = map {
- my ($name, $ver) = @$_;
- $name = Dist2Pkg::name($name);
- $ver = Dist2Pkg::version($ver);
- [ $name, $ver ];
-} @dists;
-
-@pkgs = sort { $a->[0] cmp $b->[0] } @pkgs;
-
-for my $pkg (@pkgs) {
- my ($name, $ver) = @$pkg;
- print "$name=$ver\n";
-}