#line 1 "inc/ExtUtils/AutoInstall.pm - /Library/Perl/5.8.1/ExtUtils/AutoInstall.pm"
# $File: //member/autrijus/ExtUtils-AutoInstall/lib/ExtUtils/AutoInstall.pm $
# $Revision: #9 $ $Change: 9532 $ $DateTime: 2004/01/01 06:47:30 $ vim: expandtab shiftwidth=4
package ExtUtils::AutoInstall;
$ExtUtils::AutoInstall::VERSION = '0.56';
use strict;
use Cwd ();
use ExtUtils::MakeMaker ();
#line 282
# special map on pre-defined feature sets
my %FeatureMap = (
'' => 'Core Features', # XXX: deprecated
'-core' => 'Core Features',
);
# various lexical flags
my (@Missing, @Existing, %DisabledTests, $UnderCPAN, $HasCPANPLUS);
my ($Config, $CheckOnly, $SkipInstall, $AcceptDefault, $TestOnly);
my ($PostambleActions, $PostambleUsed);
$AcceptDefault = 1 unless -t STDIN; # non-interactive session
_init();
sub missing_modules {
return @Missing;
}
sub do_install {
__PACKAGE__->install(
[ UNIVERSAL::isa($Config, 'HASH') ? %{$Config} : @{$Config}],
@Missing,
);
}
# initialize various flags, and/or perform install
sub _init {
foreach my $arg (@ARGV, split(/[\s\t]+/, $ENV{PERL_EXTUTILS_AUTOINSTALL} || '')) {
if ($arg =~ /^--config=(.*)$/) {
$Config = [ split(',', $1) ];
}
elsif ($arg =~ /^--installdeps=(.*)$/) {
__PACKAGE__->install($Config, @Missing = split(/,/, $1));
exit 0;
}
elsif ($arg =~ /^--default(?:deps)?$/) {
$AcceptDefault = 1;
}
elsif ($arg =~ /^--check(?:deps)?$/) {
$CheckOnly = 1;
}
elsif ($arg =~ /^--skip(?:deps)?$/) {
$SkipInstall = 1;
}
elsif ($arg =~ /^--test(?:only)?$/) {
$TestOnly = 1;
}
}
}
# overrides MakeMaker's prompt() to automatically accept the default choice
sub _prompt {
goto &ExtUtils::MakeMaker::prompt unless $AcceptDefault;
my ($prompt, $default) = @_;
my $y = ($default =~ /^[Yy]/);
print $prompt, ' [', ($y ? 'Y' : 'y'), '/', ($y ? 'n' : 'N'), '] ';
print "$default\n";
return $default;
}
# the workhorse
sub import {
my $class = shift;
my @args = @_ or return;
my $core_all;
print "*** $class version ".$class->VERSION."\n";
print "*** Checking for dependencies...\n";
my $cwd = Cwd::cwd();
$Config = [];
my $maxlen = length((sort { length($b) <=> length($a) }
grep { /^[^\-]/ }
map { ref($_) ? keys %{ref($_) eq 'HASH' ? $_ : +{@{$_}}} : '' }
map { +{@args}->{$_} }
grep { /^[^\-]/ or /^-core$/i } keys %{+{@args}})[0]);
while (my ($feature, $modules) = splice(@args, 0, 2)) {
my (@required, @tests, @skiptests);
my $default = 1;
my $conflict = 0;
if ($feature =~ m/^-(\w+)$/) {
my $option = lc($1);
# check for a newer version of myself
_update_to($modules, @_) and return if $option eq 'version';
# sets CPAN configuration options
$Config = $modules if $option eq 'config';
# promote every features to core status
$core_all = ($modules =~ /^all$/i) and next
if $option eq 'core';
next unless $option eq 'core';
}
print "[".($FeatureMap{lc($feature)} || $feature)."]\n";
$modules = [ %{$modules} ] if UNIVERSAL::isa($modules, 'HASH');
unshift @$modules, -default => &{shift(@$modules)}
if (ref($modules->[0]) eq 'CODE'); # XXX: bugward combatability
while (my ($mod, $arg) = splice(@$modules, 0, 2)) {
if ($mod =~ m/^-(\w+)$/) {
my $option = lc($1);
$default = $arg if ($option eq 'default');
$conflict = $arg if ($option eq 'conflict');
@tests = @{$arg} if ($option eq 'tests');
@skiptests = @{$arg} if ($option eq 'skiptests');
next;
}
printf("- %-${maxlen}s ...", $mod);
# XXX: check for conflicts and uninstalls(!) them.
if (defined(my $cur = _version_check(_load($mod), $arg ||= 0))) {
print "loaded. ($cur".($arg ? " >= $arg" : '').")\n";
push @Existing, $mod => $arg;
$DisabledTests{$_} = 1 for map { glob($_) } @skiptests;
}
else {
print "missing." . ($arg ? " (would need $arg)" : '') . "\n";
push @required, $mod => $arg;
}
}
next unless @required;
my $mandatory = ($feature eq '-core' or $core_all);
if (!$SkipInstall and ($CheckOnly or _prompt(
qq{==> Auto-install the }. (@required / 2).
($mandatory ? ' mandatory' : ' optional').
qq{ module(s) from CPAN?}, $default ? 'y' : 'n',
) =~ /^[Yy]/)) {
push (@Missing, @required);
$DisabledTests{$_} = 1 for map { glob($_) } @skiptests;
}
elsif (!$SkipInstall and $default and $mandatory and _prompt(
qq{==> The module(s) are mandatory! Really skip?}, 'n',
) =~ /^[Nn]/) {
push (@Missing, @required);
$DisabledTests{$_} = 1 for map { glob($_) } @skiptests;
}
else {
$DisabledTests{$_} = 1 for map { glob($_) } @tests;
}
}
_check_lock(); # check for $UnderCPAN
if (@Missing and not ($CheckOnly or $UnderCPAN)) {
require Config;
print "*** Dependencies will be installed the next time you type '$Config::Config{make}'.\n";
# make an educated guess of whether we'll need root permission.
print " (You may need to do that as the 'root' user.)\n" if eval '$>';
}
print "*** $class configuration finished.\n";
chdir $cwd;
# import to main::
no strict 'refs';
*{'main::WriteMakefile'} = \&Write if caller(0) eq 'main';
}
# CPAN.pm is non-reentrant, so check if we're under it and have no CPANPLUS
sub _check_lock {
return unless @Missing;
return if _has_cpanplus();
require CPAN; CPAN::Config->load;
my $lock = MM->catfile($CPAN::Config->{cpan_home}, ".lock");
if (-f $lock and open(LOCK, $lock)
and ($^O eq 'MSWin32' ? _under_cpan() : <LOCK> == getppid())
and ($CPAN::Config->{prerequisites_policy} || '') ne 'ignore'
) {
print << '.';
*** Since we're running under CPAN, I'll just let it take care
of the dependency's installation later.
.
$UnderCPAN = 1;
}
close LOCK;
}
sub install {
my $class = shift;
my $i; # used below to strip leading '-' from config keys
my @config = (map { s/^-// if ++$i; $_ } @{+shift});
my (@modules, @installed);
while (my ($pkg, $ver) = splice(@_, 0, 2)) {
# grep out those already installed
if (defined(_version_check(_load($pkg), $ver))) {
push @installed, $pkg;
}
else {
push @modules, $pkg, $ver;
}
}
return @installed unless @modules; # nothing to do
print "*** Installing dependencies...\n";
return unless _connected_to('cpan.org');
my %args = @config;
my %failed;
local *FAILED;
if ($args{do_once} and open(FAILED, '.#autoinstall.failed')) {
while (<FAILED>) { chomp; $failed{$_}++ }
close FAILED;
my @newmod;
while (my ($k, $v) = splice(@modules, 0, 2)) {
push @newmod, ($k => $v) unless $failed{$k};
}
@modules = @newmod;
}
if (_has_cpanplus()) {
_install_cpanplus(\@modules, \@config);
}
else {
_install_cpan(\@modules, \@config);
}
print "*** $class installation finished.\n";
# see if we have successfully installed them
while (my ($pkg, $ver) = splice(@modules, 0, 2)) {
if (defined(_version_check(_load($pkg), $ver))) {
push @installed, $pkg;
}
elsif ($args{do_once} and open(FAILED, '>> .#autoinstall.failed')) {
print FAILED "$pkg\n";
}
}
close FAILED if $args{do_once};
return @installed;
}
sub _install_cpanplus {
my @modules = @{+shift};
my @config = @{+shift};
my $installed = 0;
require CPANPLUS::Backend;
my $cp = CPANPLUS::Backend->new;
my $conf = $cp->configure_object;
return unless _can_write($conf->_get_build('base'));
# if we're root, set UNINST=1 to avoid trouble unless user asked for it.
my $makeflags = $conf->get_conf('makeflags') || '';
if (UNIVERSAL::isa($makeflags, 'HASH')) {
# 0.03+ uses a hashref here
$makeflags->{UNINST} = 1 unless exists $makeflags->{UNINST};
}
else {
# 0.02 and below uses a scalar
$makeflags = join(' ', split(' ', $makeflags), 'UNINST=1')
if ($makeflags !~ /\bUNINST\b/ and eval qq{ $> eq '0' });
}
$conf->set_conf(makeflags => $makeflags);
while (my ($key, $val) = splice(@config, 0, 2)) {
eval { $conf->set_conf($key, $val) };
}
my $modtree = $cp->module_tree;
while (my ($pkg, $ver) = splice(@modules, 0, 2)) {
print "*** Installing $pkg...\n";
MY::preinstall($pkg, $ver) or next if defined &MY::preinstall;
my $success;
my $obj = $modtree->{$pkg};
if ($obj and defined(_version_check($obj->{version}, $ver))) {
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 _install_cpan {
my @modules = @{+shift};
my @config = @{+shift};
my $installed = 0;
my %args;
require CPAN; CPAN::Config->load;
return unless _can_write(MM->catfile($CPAN::Config->{cpan_home}, 'sources'));
# 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} = $arg;
}
while (my ($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 defined(_version_check($obj->cpan_version, $ver))) {
my $pathname = $pkg; $pathname =~ s/::/\\W/;
foreach my $inc (grep { m/$pathname.pm/i } keys(%INC)) {
delete $INC{$inc};
}
$obj->force('install') if $args{force};
if ($obj->install 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 $ver = shift;
return if defined(_version_check(_load($class), $ver)); # 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;
require Config;
return 1 if -w $path and -w $Config::Config{sitelib};
print << ".";
*** You are not allowed to write to the directory '$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'?), 'y'
) =~ /^[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);
}
# compare two versions, either use Sort::Versions or plain comparison
sub _version_check {
my ($cur, $min) = @_;
return unless defined $cur;
$cur =~ s/\s+$//;
# 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'))) {
# use version.pm if it is installed.
return ((version->new($cur) >= version->new($min)) ? $cur : undef);
}
elsif ($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) != -1) ? $cur : undef);
}
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 ? $cur : undef);
}
# 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}) {
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 ? "\$(PERL) $0 --config=$config --installdeps=$missing"
: "\@\$(NOOP)"
);
return %args;
}
# a wrapper to ExtUtils::MakeMaker::WriteMakefile
sub Write {
require Carp;
Carp::croak "WriteMakefile: Need even number of args" if @_ % 2;
if ($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 ExtUtils::AutoInstall::postamble() --
auto installation features disabled. Please contact the author.
.
return 1;
}
sub postamble {
$PostambleUsed = 1;
return << ".";
config :: installdeps
\t\@\$(NOOP)
checkdeps ::
\t\$(PERL) $0 --checkdeps
installdeps ::
\t$PostambleActions
.
}
1;
__END__
#line 929