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@@ -0,0 +1,820 @@
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+#line 1
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+package Module::AutoInstall;
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+
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+use strict;
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+use Cwd ();
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+use ExtUtils::MakeMaker ();
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+
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+use vars qw{$VERSION};
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+BEGIN {
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+ $VERSION = '1.03';
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+}
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+
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+# special map on pre-defined feature sets
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+my %FeatureMap = (
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+ '' => 'Core Features', # XXX: deprecated
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+ '-core' => 'Core Features',
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+);
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+
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+# various lexical flags
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+my ( @Missing, @Existing, %DisabledTests, $UnderCPAN, $HasCPANPLUS );
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+my (
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+ $Config, $CheckOnly, $SkipInstall, $AcceptDefault, $TestOnly, $AllDeps
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+);
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+my ( $PostambleActions, $PostambleUsed );
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+
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+# See if it's a testing or non-interactive session
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+_accept_default( $ENV{AUTOMATED_TESTING} or ! -t STDIN );
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+_init();
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+
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+sub _accept_default {
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+ $AcceptDefault = shift;
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+}
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+
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+sub missing_modules {
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+ return @Missing;
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+}
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+
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+sub do_install {
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+ __PACKAGE__->install(
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+ [
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+ $Config
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+ ? ( UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} )
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+ : ()
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+ ],
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+ @Missing,
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+ );
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+}
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+
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+# initialize various flags, and/or perform install
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+sub _init {
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+ foreach my $arg (
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+ @ARGV,
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+ split(
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+ /[\s\t]+/,
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+ $ENV{PERL_AUTOINSTALL} || $ENV{PERL_EXTUTILS_AUTOINSTALL} || ''
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+ )
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+ )
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+ {
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+ if ( $arg =~ /^--config=(.*)$/ ) {
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+ $Config = [ split( ',', $1 ) ];
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+ }
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+ elsif ( $arg =~ /^--installdeps=(.*)$/ ) {
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+ __PACKAGE__->install( $Config, @Missing = split( /,/, $1 ) );
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+ exit 0;
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+ }
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+ elsif ( $arg =~ /^--default(?:deps)?$/ ) {
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+ $AcceptDefault = 1;
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+ }
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+ elsif ( $arg =~ /^--check(?:deps)?$/ ) {
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+ $CheckOnly = 1;
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+ }
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+ elsif ( $arg =~ /^--skip(?:deps)?$/ ) {
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+ $SkipInstall = 1;
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+ }
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+ elsif ( $arg =~ /^--test(?:only)?$/ ) {
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+ $TestOnly = 1;
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+ }
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+ elsif ( $arg =~ /^--all(?:deps)?$/ ) {
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+ $AllDeps = 1;
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+ }
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+ }
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+}
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+
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+# overrides MakeMaker's prompt() to automatically accept the default choice
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+sub _prompt {
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+ goto &ExtUtils::MakeMaker::prompt unless $AcceptDefault;
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+
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+ my ( $prompt, $default ) = @_;
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+ my $y = ( $default =~ /^[Yy]/ );
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+
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+ print $prompt, ' [', ( $y ? 'Y' : 'y' ), '/', ( $y ? 'n' : 'N' ), '] ';
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+ print "$default\n";
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+ return $default;
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+}
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+
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+# the workhorse
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+sub import {
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+ my $class = shift;
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+ my @args = @_ or return;
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+ my $core_all;
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+
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+ print "*** $class version " . $class->VERSION . "\n";
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+ print "*** Checking for Perl dependencies...\n";
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+
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+ my $cwd = Cwd::cwd();
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+
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+ $Config = [];
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+
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+ my $maxlen = length(
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+ (
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+ sort { length($b) <=> length($a) }
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+ grep { /^[^\-]/ }
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+ map {
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+ ref($_)
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+ ? ( ( ref($_) eq 'HASH' ) ? keys(%$_) : @{$_} )
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+ : ''
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+ }
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+ map { +{@args}->{$_} }
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+ grep { /^[^\-]/ or /^-core$/i } keys %{ +{@args} }
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+ )[0]
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+ );
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+
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+ # We want to know if we're under CPAN early to avoid prompting, but
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+ # if we aren't going to try and install anything anyway then skip the
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+ # check entirely since we don't want to have to load (and configure)
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+ # an old CPAN just for a cosmetic message
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+
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+ $UnderCPAN = _check_lock(1) unless $SkipInstall;
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+
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+ while ( my ( $feature, $modules ) = splice( @args, 0, 2 ) ) {
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+ my ( @required, @tests, @skiptests );
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+ my $default = 1;
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+ my $conflict = 0;
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+
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+ if ( $feature =~ m/^-(\w+)$/ ) {
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+ my $option = lc($1);
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+
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+ # check for a newer version of myself
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+ _update_to( $modules, @_ ) and return if $option eq 'version';
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+
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+ # sets CPAN configuration options
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+ $Config = $modules if $option eq 'config';
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+
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+ # promote every features to core status
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+ $core_all = ( $modules =~ /^all$/i ) and next
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+ if $option eq 'core';
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+
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+ next unless $option eq 'core';
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+ }
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+
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+ print "[" . ( $FeatureMap{ lc($feature) } || $feature ) . "]\n";
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+
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+ $modules = [ %{$modules} ] if UNIVERSAL::isa( $modules, 'HASH' );
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+
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+ unshift @$modules, -default => &{ shift(@$modules) }
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+ if ( ref( $modules->[0] ) eq 'CODE' ); # XXX: bugward combatability
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+
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+ while ( my ( $mod, $arg ) = splice( @$modules, 0, 2 ) ) {
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+ if ( $mod =~ m/^-(\w+)$/ ) {
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+ my $option = lc($1);
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+
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+ $default = $arg if ( $option eq 'default' );
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+ $conflict = $arg if ( $option eq 'conflict' );
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+ @tests = @{$arg} if ( $option eq 'tests' );
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+ @skiptests = @{$arg} if ( $option eq 'skiptests' );
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+
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+ next;
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+ }
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+
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+ printf( "- %-${maxlen}s ...", $mod );
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+
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+ if ( $arg and $arg =~ /^\D/ ) {
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+ unshift @$modules, $arg;
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+ $arg = 0;
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+ }
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+
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+ # XXX: check for conflicts and uninstalls(!) them.
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+ my $cur = _load($mod);
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+ if (_version_cmp ($cur, $arg) >= 0)
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+ {
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+ print "loaded. ($cur" . ( $arg ? " >= $arg" : '' ) . ")\n";
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+ push @Existing, $mod => $arg;
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+ $DisabledTests{$_} = 1 for map { glob($_) } @skiptests;
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+ }
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+ else {
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+ if (not defined $cur) # indeed missing
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+ {
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+ print "missing." . ( $arg ? " (would need $arg)" : '' ) . "\n";
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+ }
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+ else
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+ {
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+ # no need to check $arg as _version_cmp ($cur, undef) would satisfy >= above
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+ print "too old. ($cur < $arg)\n";
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+ }
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+
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+ push @required, $mod => $arg;
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+ }
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+ }
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+
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+ next unless @required;
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+
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+ my $mandatory = ( $feature eq '-core' or $core_all );
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+
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+ if (
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+ !$SkipInstall
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+ and (
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+ $CheckOnly
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+ or ($mandatory and $UnderCPAN)
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+ or $AllDeps
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+ or _prompt(
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+ qq{==> Auto-install the }
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+ . ( @required / 2 )
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+ . ( $mandatory ? ' mandatory' : ' optional' )
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+ . qq{ module(s) from CPAN?},
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+ $default ? 'y' : 'n',
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+ ) =~ /^[Yy]/
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+ )
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+ )
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+ {
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+ push( @Missing, @required );
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+ $DisabledTests{$_} = 1 for map { glob($_) } @skiptests;
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+ }
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+
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+ elsif ( !$SkipInstall
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+ and $default
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+ and $mandatory
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+ and
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+ _prompt( qq{==> The module(s) are mandatory! Really skip?}, 'n', )
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+ =~ /^[Nn]/ )
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+ {
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+ push( @Missing, @required );
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+ $DisabledTests{$_} = 1 for map { glob($_) } @skiptests;
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+ }
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+
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+ else {
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+ $DisabledTests{$_} = 1 for map { glob($_) } @tests;
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+ }
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+ }
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+
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+ if ( @Missing and not( $CheckOnly or $UnderCPAN ) ) {
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+ require Config;
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+ print
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+"*** Dependencies will be installed the next time you type '$Config::Config{make}'.\n";
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+
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+ # make an educated guess of whether we'll need root permission.
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+ print " (You may need to do that as the 'root' user.)\n"
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+ if eval '$>';
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+ }
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+ print "*** $class configuration finished.\n";
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+
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+ chdir $cwd;
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+
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+ # import to main::
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+ no strict 'refs';
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+ *{'main::WriteMakefile'} = \&Write if caller(0) eq 'main';
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+
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+ return (@Existing, @Missing);
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+}
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+
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+sub _running_under {
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+ my $thing = shift;
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+ print <<"END_MESSAGE";
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+*** Since we're running under ${thing}, I'll just let it take care
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+ of the dependency's installation later.
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+END_MESSAGE
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+ return 1;
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+}
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+
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+# Check to see if we are currently running under CPAN.pm and/or CPANPLUS;
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+# if we are, then we simply let it taking care of our dependencies
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+sub _check_lock {
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+ return unless @Missing or @_;
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+
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+ my $cpan_env = $ENV{PERL5_CPAN_IS_RUNNING};
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+
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+ if ($ENV{PERL5_CPANPLUS_IS_RUNNING}) {
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+ return _running_under($cpan_env ? 'CPAN' : 'CPANPLUS');
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+ }
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+
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+ require CPAN;
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+
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+ if ($CPAN::VERSION > '1.89') {
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+ if ($cpan_env) {
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+ return _running_under('CPAN');
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+ }
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+ return; # CPAN.pm new enough, don't need to check further
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+ }
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+
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+ # last ditch attempt, this -will- configure CPAN, very sorry
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+
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+ _load_cpan(1); # force initialize even though it's already loaded
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+
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+ # Find the CPAN lock-file
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+ my $lock = MM->catfile( $CPAN::Config->{cpan_home}, ".lock" );
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+ return unless -f $lock;
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+
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+ # Check the lock
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+ local *LOCK;
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+ return unless open(LOCK, $lock);
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+
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+ if (
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+ ( $^O eq 'MSWin32' ? _under_cpan() : <LOCK> == getppid() )
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+ and ( $CPAN::Config->{prerequisites_policy} || '' ) ne 'ignore'
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+ ) {
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+ print <<'END_MESSAGE';
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+
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+*** Since we're running under CPAN, I'll just let it take care
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+ of the dependency's installation later.
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+END_MESSAGE
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+ return 1;
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+ }
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+
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+ close LOCK;
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+ return;
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+}
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+
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+sub install {
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+ my $class = shift;
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+
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+ my $i; # used below to strip leading '-' from config keys
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+ my @config = ( map { s/^-// if ++$i; $_ } @{ +shift } );
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+
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+ my ( @modules, @installed );
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+ while ( my ( $pkg, $ver ) = splice( @_, 0, 2 ) ) {
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+
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+ # grep out those already installed
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+ if ( _version_cmp( _load($pkg), $ver ) >= 0 ) {
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+ push @installed, $pkg;
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+ }
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+ else {
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+ push @modules, $pkg, $ver;
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+ }
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+ }
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+
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+ return @installed unless @modules; # nothing to do
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+ return @installed if _check_lock(); # defer to the CPAN shell
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+
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+ print "*** Installing dependencies...\n";
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+
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+ return unless _connected_to('cpan.org');
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+
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+ my %args = @config;
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+ my %failed;
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+ local *FAILED;
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+ if ( $args{do_once} and open( FAILED, '.#autoinstall.failed' ) ) {
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+ while (<FAILED>) { chomp; $failed{$_}++ }
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+ close FAILED;
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+
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+ my @newmod;
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+ while ( my ( $k, $v ) = splice( @modules, 0, 2 ) ) {
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+ push @newmod, ( $k => $v ) unless $failed{$k};
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+ }
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+ @modules = @newmod;
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+ }
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+
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+ if ( _has_cpanplus() and not $ENV{PERL_AUTOINSTALL_PREFER_CPAN} ) {
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+ _install_cpanplus( \@modules, \@config );
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+ } else {
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+ _install_cpan( \@modules, \@config );
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+ }
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+
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+ print "*** $class installation finished.\n";
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+
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+ # see if we have successfully installed them
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+ while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) {
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+ if ( _version_cmp( _load($pkg), $ver ) >= 0 ) {
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+ push @installed, $pkg;
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+ }
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+ elsif ( $args{do_once} and open( FAILED, '>> .#autoinstall.failed' ) ) {
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+ print FAILED "$pkg\n";
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+ }
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+ }
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+
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+ close FAILED if $args{do_once};
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+
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+ return @installed;
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+}
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+
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+sub _install_cpanplus {
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+ my @modules = @{ +shift };
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+ my @config = _cpanplus_config( @{ +shift } );
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+ my $installed = 0;
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+
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+ require CPANPLUS::Backend;
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+ my $cp = CPANPLUS::Backend->new;
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+ my $conf = $cp->configure_object;
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+
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+ return unless $conf->can('conf') # 0.05x+ with "sudo" support
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+ or _can_write($conf->_get_build('base')); # 0.04x
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+
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+ # if we're root, set UNINST=1 to avoid trouble unless user asked for it.
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+ my $makeflags = $conf->get_conf('makeflags') || '';
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+ if ( UNIVERSAL::isa( $makeflags, 'HASH' ) ) {
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+ # 0.03+ uses a hashref here
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+ $makeflags->{UNINST} = 1 unless exists $makeflags->{UNINST};
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+
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+ } else {
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+ # 0.02 and below uses a scalar
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+ $makeflags = join( ' ', split( ' ', $makeflags ), 'UNINST=1' )
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+ if ( $makeflags !~ /\bUNINST\b/ and eval qq{ $> eq '0' } );
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+
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+ }
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+ $conf->set_conf( makeflags => $makeflags );
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+ $conf->set_conf( prereqs => 1 );
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+
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+
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+
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+ while ( my ( $key, $val ) = splice( @config, 0, 2 ) ) {
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+ $conf->set_conf( $key, $val );
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+ }
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+
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+ my $modtree = $cp->module_tree;
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+ while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) {
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+ print "*** Installing $pkg...\n";
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+
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+ MY::preinstall( $pkg, $ver ) or next if defined &MY::preinstall;
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+
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+ my $success;
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+ my $obj = $modtree->{$pkg};
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+
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|
|
+ if ( $obj and _version_cmp( $obj->{version}, $ver ) >= 0 ) {
|
|
|
+ my $pathname = $pkg;
|
|
|
+ $pathname =~ s/::/\\W/;
|
|
|
+
|
|
|
+ foreach my $inc ( grep { m/$pathname.pm/i } keys(%INC) ) {
|
|
|
+ delete $INC{$inc};
|
|
|
+ }
|
|
|
+
|
|
|
+ my $rv = $cp->install( modules => [ $obj->{module} ] );
|
|
|
+
|
|
|
+ if ( $rv and ( $rv->{ $obj->{module} } or $rv->{ok} ) ) {
|
|
|
+ print "*** $pkg successfully installed.\n";
|
|
|
+ $success = 1;
|
|
|
+ } else {
|
|
|
+ print "*** $pkg installation cancelled.\n";
|
|
|
+ $success = 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ $installed += $success;
|
|
|
+ } else {
|
|
|
+ print << ".";
|
|
|
+*** Could not find a version $ver or above for $pkg; skipping.
|
|
|
+.
|
|
|
+ }
|
|
|
+
|
|
|
+ MY::postinstall( $pkg, $ver, $success ) if defined &MY::postinstall;
|
|
|
+ }
|
|
|
+
|
|
|
+ return $installed;
|
|
|
+}
|
|
|
+
|
|
|
+sub _cpanplus_config {
|
|
|
+ my @config = ();
|
|
|
+ while ( @_ ) {
|
|
|
+ my ($key, $value) = (shift(), shift());
|
|
|
+ if ( $key eq 'prerequisites_policy' ) {
|
|
|
+ if ( $value eq 'follow' ) {
|
|
|
+ $value = CPANPLUS::Internals::Constants::PREREQ_INSTALL();
|
|
|
+ } elsif ( $value eq 'ask' ) {
|
|
|
+ $value = CPANPLUS::Internals::Constants::PREREQ_ASK();
|
|
|
+ } elsif ( $value eq 'ignore' ) {
|
|
|
+ $value = CPANPLUS::Internals::Constants::PREREQ_IGNORE();
|
|
|
+ } else {
|
|
|
+ die "*** Cannot convert option $key = '$value' to CPANPLUS version.\n";
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ die "*** Cannot convert option $key to CPANPLUS version.\n";
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return @config;
|
|
|
+}
|
|
|
+
|
|
|
+sub _install_cpan {
|
|
|
+ my @modules = @{ +shift };
|
|
|
+ my @config = @{ +shift };
|
|
|
+ my $installed = 0;
|
|
|
+ my %args;
|
|
|
+
|
|
|
+ _load_cpan();
|
|
|
+ require Config;
|
|
|
+
|
|
|
+ if (CPAN->VERSION < 1.80) {
|
|
|
+ # no "sudo" support, probe for writableness
|
|
|
+ return unless _can_write( MM->catfile( $CPAN::Config->{cpan_home}, 'sources' ) )
|
|
|
+ and _can_write( $Config::Config{sitelib} );
|
|
|
+ }
|
|
|
+
|
|
|
+ # if we're root, set UNINST=1 to avoid trouble unless user asked for it.
|
|
|
+ my $makeflags = $CPAN::Config->{make_install_arg} || '';
|
|
|
+ $CPAN::Config->{make_install_arg} =
|
|
|
+ join( ' ', split( ' ', $makeflags ), 'UNINST=1' )
|
|
|
+ if ( $makeflags !~ /\bUNINST\b/ and eval qq{ $> eq '0' } );
|
|
|
+
|
|
|
+ # don't show start-up info
|
|
|
+ $CPAN::Config->{inhibit_startup_message} = 1;
|
|
|
+
|
|
|
+ # set additional options
|
|
|
+ while ( my ( $opt, $arg ) = splice( @config, 0, 2 ) ) {
|
|
|
+ ( $args{$opt} = $arg, next )
|
|
|
+ if $opt =~ /^force$/; # pseudo-option
|
|
|
+ $CPAN::Config->{$opt} = $arg;
|
|
|
+ }
|
|
|
+
|
|
|
+ local $CPAN::Config->{prerequisites_policy} = 'follow';
|
|
|
+
|
|
|
+ while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) {
|
|
|
+ MY::preinstall( $pkg, $ver ) or next if defined &MY::preinstall;
|
|
|
+
|
|
|
+ print "*** Installing $pkg...\n";
|
|
|
+
|
|
|
+ my $obj = CPAN::Shell->expand( Module => $pkg );
|
|
|
+ my $success = 0;
|
|
|
+
|
|
|
+ if ( $obj and _version_cmp( $obj->cpan_version, $ver ) >= 0 ) {
|
|
|
+ my $pathname = $pkg;
|
|
|
+ $pathname =~ s/::/\\W/;
|
|
|
+
|
|
|
+ foreach my $inc ( grep { m/$pathname.pm/i } keys(%INC) ) {
|
|
|
+ delete $INC{$inc};
|
|
|
+ }
|
|
|
+
|
|
|
+ my $rv = $args{force} ? CPAN::Shell->force( install => $pkg )
|
|
|
+ : CPAN::Shell->install($pkg);
|
|
|
+ $rv ||= eval {
|
|
|
+ $CPAN::META->instance( 'CPAN::Distribution', $obj->cpan_file, )
|
|
|
+ ->{install}
|
|
|
+ if $CPAN::META;
|
|
|
+ };
|
|
|
+
|
|
|
+ if ( $rv eq 'YES' ) {
|
|
|
+ print "*** $pkg successfully installed.\n";
|
|
|
+ $success = 1;
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ print "*** $pkg installation failed.\n";
|
|
|
+ $success = 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ $installed += $success;
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ print << ".";
|
|
|
+*** Could not find a version $ver or above for $pkg; skipping.
|
|
|
+.
|
|
|
+ }
|
|
|
+
|
|
|
+ MY::postinstall( $pkg, $ver, $success ) if defined &MY::postinstall;
|
|
|
+ }
|
|
|
+
|
|
|
+ return $installed;
|
|
|
+}
|
|
|
+
|
|
|
+sub _has_cpanplus {
|
|
|
+ return (
|
|
|
+ $HasCPANPLUS = (
|
|
|
+ $INC{'CPANPLUS/Config.pm'}
|
|
|
+ or _load('CPANPLUS::Shell::Default')
|
|
|
+ )
|
|
|
+ );
|
|
|
+}
|
|
|
+
|
|
|
+# make guesses on whether we're under the CPAN installation directory
|
|
|
+sub _under_cpan {
|
|
|
+ require Cwd;
|
|
|
+ require File::Spec;
|
|
|
+
|
|
|
+ my $cwd = File::Spec->canonpath( Cwd::cwd() );
|
|
|
+ my $cpan = File::Spec->canonpath( $CPAN::Config->{cpan_home} );
|
|
|
+
|
|
|
+ return ( index( $cwd, $cpan ) > -1 );
|
|
|
+}
|
|
|
+
|
|
|
+sub _update_to {
|
|
|
+ my $class = __PACKAGE__;
|
|
|
+ my $ver = shift;
|
|
|
+
|
|
|
+ return
|
|
|
+ if _version_cmp( _load($class), $ver ) >= 0; # no need to upgrade
|
|
|
+
|
|
|
+ if (
|
|
|
+ _prompt( "==> A newer version of $class ($ver) is required. Install?",
|
|
|
+ 'y' ) =~ /^[Nn]/
|
|
|
+ )
|
|
|
+ {
|
|
|
+ die "*** Please install $class $ver manually.\n";
|
|
|
+ }
|
|
|
+
|
|
|
+ print << ".";
|
|
|
+*** Trying to fetch it from CPAN...
|
|
|
+.
|
|
|
+
|
|
|
+ # install ourselves
|
|
|
+ _load($class) and return $class->import(@_)
|
|
|
+ if $class->install( [], $class, $ver );
|
|
|
+
|
|
|
+ print << '.'; exit 1;
|
|
|
+
|
|
|
+*** Cannot bootstrap myself. :-( Installation terminated.
|
|
|
+.
|
|
|
+}
|
|
|
+
|
|
|
+# check if we're connected to some host, using inet_aton
|
|
|
+sub _connected_to {
|
|
|
+ my $site = shift;
|
|
|
+
|
|
|
+ return (
|
|
|
+ ( _load('Socket') and Socket::inet_aton($site) ) or _prompt(
|
|
|
+ qq(
|
|
|
+*** Your host cannot resolve the domain name '$site', which
|
|
|
+ probably means the Internet connections are unavailable.
|
|
|
+==> Should we try to install the required module(s) anyway?), 'n'
|
|
|
+ ) =~ /^[Yy]/
|
|
|
+ );
|
|
|
+}
|
|
|
+
|
|
|
+# check if a directory is writable; may create it on demand
|
|
|
+sub _can_write {
|
|
|
+ my $path = shift;
|
|
|
+ mkdir( $path, 0755 ) unless -e $path;
|
|
|
+
|
|
|
+ return 1 if -w $path;
|
|
|
+
|
|
|
+ print << ".";
|
|
|
+*** You are not allowed to write to the directory '$path';
|
|
|
+ the installation may fail due to insufficient permissions.
|
|
|
+.
|
|
|
+
|
|
|
+ if (
|
|
|
+ eval '$>' and lc(`sudo -V`) =~ /version/ and _prompt(
|
|
|
+ qq(
|
|
|
+==> Should we try to re-execute the autoinstall process with 'sudo'?),
|
|
|
+ ((-t STDIN) ? 'y' : 'n')
|
|
|
+ ) =~ /^[Yy]/
|
|
|
+ )
|
|
|
+ {
|
|
|
+
|
|
|
+ # try to bootstrap ourselves from sudo
|
|
|
+ print << ".";
|
|
|
+*** Trying to re-execute the autoinstall process with 'sudo'...
|
|
|
+.
|
|
|
+ my $missing = join( ',', @Missing );
|
|
|
+ my $config = join( ',',
|
|
|
+ UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} )
|
|
|
+ if $Config;
|
|
|
+
|
|
|
+ return
|
|
|
+ unless system( 'sudo', $^X, $0, "--config=$config",
|
|
|
+ "--installdeps=$missing" );
|
|
|
+
|
|
|
+ print << ".";
|
|
|
+*** The 'sudo' command exited with error! Resuming...
|
|
|
+.
|
|
|
+ }
|
|
|
+
|
|
|
+ return _prompt(
|
|
|
+ qq(
|
|
|
+==> Should we try to install the required module(s) anyway?), 'n'
|
|
|
+ ) =~ /^[Yy]/;
|
|
|
+}
|
|
|
+
|
|
|
+# load a module and return the version it reports
|
|
|
+sub _load {
|
|
|
+ my $mod = pop; # class/instance doesn't matter
|
|
|
+ my $file = $mod;
|
|
|
+
|
|
|
+ $file =~ s|::|/|g;
|
|
|
+ $file .= '.pm';
|
|
|
+
|
|
|
+ local $@;
|
|
|
+ return eval { require $file; $mod->VERSION } || ( $@ ? undef: 0 );
|
|
|
+}
|
|
|
+
|
|
|
+# Load CPAN.pm and it's configuration
|
|
|
+sub _load_cpan {
|
|
|
+ return if $CPAN::VERSION and $CPAN::Config and not @_;
|
|
|
+ require CPAN;
|
|
|
+
|
|
|
+ # CPAN-1.82+ adds CPAN::Config::AUTOLOAD to redirect to
|
|
|
+ # CPAN::HandleConfig->load. CPAN reports that the redirection
|
|
|
+ # is deprecated in a warning printed at the user.
|
|
|
+
|
|
|
+ # CPAN-1.81 expects CPAN::HandleConfig->load, does not have
|
|
|
+ # $CPAN::HandleConfig::VERSION but cannot handle
|
|
|
+ # CPAN::Config->load
|
|
|
+
|
|
|
+ # Which "versions expect CPAN::Config->load?
|
|
|
+
|
|
|
+ if ( $CPAN::HandleConfig::VERSION
|
|
|
+ || CPAN::HandleConfig->can('load')
|
|
|
+ ) {
|
|
|
+ # Newer versions of CPAN have a HandleConfig module
|
|
|
+ CPAN::HandleConfig->load;
|
|
|
+ } else {
|
|
|
+ # Older versions had the load method in Config directly
|
|
|
+ CPAN::Config->load;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+# compare two versions, either use Sort::Versions or plain comparison
|
|
|
+# return values same as <=>
|
|
|
+sub _version_cmp {
|
|
|
+ my ( $cur, $min ) = @_;
|
|
|
+ return -1 unless defined $cur; # if 0 keep comparing
|
|
|
+ return 1 unless $min;
|
|
|
+
|
|
|
+ $cur =~ s/\s+$//;
|
|
|
+
|
|
|
+ # check for version numbers that are not in decimal format
|
|
|
+ if ( ref($cur) or ref($min) or $cur =~ /v|\..*\./ or $min =~ /v|\..*\./ ) {
|
|
|
+ if ( ( $version::VERSION or defined( _load('version') )) and
|
|
|
+ version->can('new')
|
|
|
+ ) {
|
|
|
+
|
|
|
+ # use version.pm if it is installed.
|
|
|
+ return version->new($cur) <=> version->new($min);
|
|
|
+ }
|
|
|
+ elsif ( $Sort::Versions::VERSION or defined( _load('Sort::Versions') ) )
|
|
|
+ {
|
|
|
+
|
|
|
+ # use Sort::Versions as the sorting algorithm for a.b.c versions
|
|
|
+ return Sort::Versions::versioncmp( $cur, $min );
|
|
|
+ }
|
|
|
+
|
|
|
+ warn "Cannot reliably compare non-decimal formatted versions.\n"
|
|
|
+ . "Please install version.pm or Sort::Versions.\n";
|
|
|
+ }
|
|
|
+
|
|
|
+ # plain comparison
|
|
|
+ local $^W = 0; # shuts off 'not numeric' bugs
|
|
|
+ return $cur <=> $min;
|
|
|
+}
|
|
|
+
|
|
|
+# nothing; this usage is deprecated.
|
|
|
+sub main::PREREQ_PM { return {}; }
|
|
|
+
|
|
|
+sub _make_args {
|
|
|
+ my %args = @_;
|
|
|
+
|
|
|
+ $args{PREREQ_PM} = { %{ $args{PREREQ_PM} || {} }, @Existing, @Missing }
|
|
|
+ if $UnderCPAN or $TestOnly;
|
|
|
+
|
|
|
+ if ( $args{EXE_FILES} and -e 'MANIFEST' ) {
|
|
|
+ require ExtUtils::Manifest;
|
|
|
+ my $manifest = ExtUtils::Manifest::maniread('MANIFEST');
|
|
|
+
|
|
|
+ $args{EXE_FILES} =
|
|
|
+ [ grep { exists $manifest->{$_} } @{ $args{EXE_FILES} } ];
|
|
|
+ }
|
|
|
+
|
|
|
+ $args{test}{TESTS} ||= 't/*.t';
|
|
|
+ $args{test}{TESTS} = join( ' ',
|
|
|
+ grep { !exists( $DisabledTests{$_} ) }
|
|
|
+ map { glob($_) } split( /\s+/, $args{test}{TESTS} ) );
|
|
|
+
|
|
|
+ my $missing = join( ',', @Missing );
|
|
|
+ my $config =
|
|
|
+ join( ',', UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} )
|
|
|
+ if $Config;
|
|
|
+
|
|
|
+ $PostambleActions = (
|
|
|
+ ($missing and not $UnderCPAN)
|
|
|
+ ? "\$(PERL) $0 --config=$config --installdeps=$missing"
|
|
|
+ : "\$(NOECHO) \$(NOOP)"
|
|
|
+ );
|
|
|
+
|
|
|
+ return %args;
|
|
|
+}
|
|
|
+
|
|
|
+# a wrapper to ExtUtils::MakeMaker::WriteMakefile
|
|
|
+sub Write {
|
|
|
+ require Carp;
|
|
|
+ Carp::croak "WriteMakefile: Need even number of args" if @_ % 2;
|
|
|
+
|
|
|
+ if ($CheckOnly) {
|
|
|
+ print << ".";
|
|
|
+*** Makefile not written in check-only mode.
|
|
|
+.
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ my %args = _make_args(@_);
|
|
|
+
|
|
|
+ no strict 'refs';
|
|
|
+
|
|
|
+ $PostambleUsed = 0;
|
|
|
+ local *MY::postamble = \&postamble unless defined &MY::postamble;
|
|
|
+ ExtUtils::MakeMaker::WriteMakefile(%args);
|
|
|
+
|
|
|
+ print << "." unless $PostambleUsed;
|
|
|
+*** WARNING: Makefile written with customized MY::postamble() without
|
|
|
+ including contents from Module::AutoInstall::postamble() --
|
|
|
+ auto installation features disabled. Please contact the author.
|
|
|
+.
|
|
|
+
|
|
|
+ return 1;
|
|
|
+}
|
|
|
+
|
|
|
+sub postamble {
|
|
|
+ $PostambleUsed = 1;
|
|
|
+
|
|
|
+ return <<"END_MAKE";
|
|
|
+
|
|
|
+config :: installdeps
|
|
|
+\t\$(NOECHO) \$(NOOP)
|
|
|
+
|
|
|
+checkdeps ::
|
|
|
+\t\$(PERL) $0 --checkdeps
|
|
|
+
|
|
|
+installdeps ::
|
|
|
+\t$PostambleActions
|
|
|
+
|
|
|
+END_MAKE
|
|
|
+
|
|
|
+}
|
|
|
+
|
|
|
+1;
|
|
|
+
|
|
|
+__END__
|
|
|
+
|
|
|
+#line 1071
|