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-rwxr-xr-xscripts/cpanfile_fixed_versions.pl126
1 files changed, 126 insertions, 0 deletions
diff --git a/scripts/cpanfile_fixed_versions.pl b/scripts/cpanfile_fixed_versions.pl
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+++ b/scripts/cpanfile_fixed_versions.pl
@@ -0,0 +1,126 @@
+#!/usr/bin/env perl
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# This Source Code Form is "Incompatible With Secondary Licenses", as
+# defined by the Mozilla Public License, v. 2.0.
+
+use 5.10.1;
+use strict;
+use warnings;
+
+use Bugzilla::Constants;
+use Bugzilla::Install::Requirements;
+use Bugzilla::Install::Util;
+
+sub _check_vers {
+ my ($params) = @_;
+ my $module = $params->{module};
+ my $package = $params->{package};
+ if (!$package) {
+ $package = $module;
+ $package =~ s/::/-/g;
+ }
+
+ my $wanted = $params->{version};
+
+ eval "require $module;";
+ # Don't let loading a module change the output-encoding of STDOUT
+ # or STDERR. (CGI.pm tries to set "binmode" on these file handles when
+ # it's loaded, and other modules may do the same in the future.)
+ Bugzilla::Install::Util::set_output_encoding();
+
+ # VERSION is provided by UNIVERSAL::, and can be called even if
+ # the module isn't loaded. We eval'uate ->VERSION because it can die
+ # when the version is not valid (yes, this happens from time to time).
+ # In that case, we use an uglier method to get the version.
+ my $vnum = eval { $module->VERSION };
+ if ($@) {
+ no strict 'refs';
+ $vnum = ${"${module}::VERSION"};
+
+ # If we come here, then the version is not a valid one.
+ # We try to sanitize it.
+ if ($vnum =~ /^((\d+)(\.\d+)*)/) {
+ $vnum = $1;
+ }
+ }
+ $vnum ||= -1;
+
+ # Must do a string comparison as $vnum may be of the form 5.10.1.
+ my $vok = ($vnum ne '-1' && version->new($vnum) >= version->new($wanted)) ? 1 : 0;
+ if ($vok && $params->{blacklist}) {
+ $vok = 0 if grep($vnum =~ /$_/, @{$params->{blacklist}});
+ }
+
+ return {
+ module => $module,
+ ok => $vok,
+ wanted => $wanted,
+ found => $vnum,
+ };
+}
+
+my $cpanfile;
+# Required modules
+foreach my $module (@{ REQUIRED_MODULES() }) {
+ my $current = _check_vers($module);
+ my $requires = "requires '" . $current->{module} . "'";
+ $requires .= ", '" . ($current->{ok} ? $current->{found} : $current->{wanted}) . "'";
+ $requires .= ";\n";
+ $cpanfile .= $requires;
+}
+
+# Recommended modules
+$cpanfile .= "\n# Optional\n";
+my %features;
+foreach my $module (@{ OPTIONAL_MODULES() }) {
+ next if $module->{package} eq 'mod_perl'; # Skip mod_perl since this would be installed by distro
+ my $current = _check_vers($module);
+ if (exists $module->{feature}) {
+ foreach my $feature (@{ $module->{feature} }) {
+ # cpanm requires that each feature only be defined in the cpanfile
+ # once, so we use an intermediate hash to consolidate/de-dupe the
+ # modules associated with each feature.
+ $features{$feature}{$module->{module}}
+ = ($current->{ok} ? $current->{found} : $current->{wanted});
+ }
+ }
+ else {
+ my $recommends = "";
+ $recommends .= "recommends '" . $module->{module} . "'";
+ $recommends .= ", '" . ($current->{ok} ? $current->{found} : $current->{wanted}) . "'";
+ $recommends .= ";\n";
+ $cpanfile .= $recommends;
+ }
+}
+
+foreach my $feature (sort keys %features) {
+ my $recommends = "";
+ $recommends .= "feature '" . $feature . "' => sub {\n";
+ foreach my $module (sort keys %{ $features{$feature} }) {
+ my $version = $features{$feature}{$module};
+ $recommends .= " recommends '" . $module . "'";
+ $recommends .= ", '$version'" if $version;
+ $recommends .= ";\n";
+ }
+ $recommends .= "};\n";
+ $cpanfile .= $recommends;
+}
+
+# Database modules
+$cpanfile .= "\n# Database support\n";
+foreach my $db (keys %{ DB_MODULE() }) {
+ next if !exists DB_MODULE->{$db}->{dbd};
+ my $dbd = DB_MODULE->{$db}->{dbd};
+ my $current = _check_vers($dbd);
+ my $recommends .= "feature '$db' => sub {\n";
+ $recommends .= " recommends '" . $dbd->{module} . "'";
+ $recommends .= ", '" . ($current->{ok} ? $current->{found} : $current->{wanted}) . "'";
+ $recommends .= ";\n};\n";
+ $cpanfile .= $recommends;
+}
+
+# Write out the cpanfile to STDOUT
+print $cpanfile . "\n";