| 1 |
#line 1 |
| 2 |
package Module::AutoInstall; |
| 3 |
|
| 4 |
use strict; |
| 5 |
use Cwd (); |
| 6 |
use ExtUtils::MakeMaker (); |
| 7 |
|
| 8 |
use vars qw{$VERSION}; |
| 9 |
BEGIN { |
| 10 |
$VERSION = '1.03'; |
| 11 |
} |
| 12 |
|
| 13 |
# special map on pre-defined feature sets |
| 14 |
my %FeatureMap = ( |
| 15 |
'' => 'Core Features', # XXX: deprecated |
| 16 |
'-core' => 'Core Features', |
| 17 |
); |
| 18 |
|
| 19 |
# various lexical flags |
| 20 |
my ( @Missing, @Existing, %DisabledTests, $UnderCPAN, $HasCPANPLUS ); |
| 21 |
my ( $Config, $CheckOnly, $SkipInstall, $AcceptDefault, $TestOnly ); |
| 22 |
my ( $PostambleActions, $PostambleUsed ); |
| 23 |
|
| 24 |
# See if it's a testing or non-interactive session |
| 25 |
_accept_default( $ENV{AUTOMATED_TESTING} or ! -t STDIN ); |
| 26 |
_init(); |
| 27 |
|
| 28 |
sub _accept_default { |
| 29 |
$AcceptDefault = shift; |
| 30 |
} |
| 31 |
|
| 32 |
sub missing_modules { |
| 33 |
return @Missing; |
| 34 |
} |
| 35 |
|
| 36 |
sub do_install { |
| 37 |
__PACKAGE__->install( |
| 38 |
[ |
| 39 |
$Config |
| 40 |
? ( UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} ) |
| 41 |
: () |
| 42 |
], |
| 43 |
@Missing, |
| 44 |
); |
| 45 |
} |
| 46 |
|
| 47 |
# initialize various flags, and/or perform install |
| 48 |
sub _init { |
| 49 |
foreach my $arg ( |
| 50 |
@ARGV, |
| 51 |
split( |
| 52 |
/[\s\t]+/, |
| 53 |
$ENV{PERL_AUTOINSTALL} || $ENV{PERL_EXTUTILS_AUTOINSTALL} || '' |
| 54 |
) |
| 55 |
) |
| 56 |
{ |
| 57 |
if ( $arg =~ /^--config=(.*)$/ ) { |
| 58 |
$Config = [ split( ',', $1 ) ]; |
| 59 |
} |
| 60 |
elsif ( $arg =~ /^--installdeps=(.*)$/ ) { |
| 61 |
__PACKAGE__->install( $Config, @Missing = split( /,/, $1 ) ); |
| 62 |
exit 0; |
| 63 |
} |
| 64 |
elsif ( $arg =~ /^--default(?:deps)?$/ ) { |
| 65 |
$AcceptDefault = 1; |
| 66 |
} |
| 67 |
elsif ( $arg =~ /^--check(?:deps)?$/ ) { |
| 68 |
$CheckOnly = 1; |
| 69 |
} |
| 70 |
elsif ( $arg =~ /^--skip(?:deps)?$/ ) { |
| 71 |
$SkipInstall = 1; |
| 72 |
} |
| 73 |
elsif ( $arg =~ /^--test(?:only)?$/ ) { |
| 74 |
$TestOnly = 1; |
| 75 |
} |
| 76 |
} |
| 77 |
} |
| 78 |
|
| 79 |
# overrides MakeMaker's prompt() to automatically accept the default choice |
| 80 |
sub _prompt { |
| 81 |
goto &ExtUtils::MakeMaker::prompt unless $AcceptDefault; |
| 82 |
|
| 83 |
my ( $prompt, $default ) = @_; |
| 84 |
my $y = ( $default =~ /^[Yy]/ ); |
| 85 |
|
| 86 |
print $prompt, ' [', ( $y ? 'Y' : 'y' ), '/', ( $y ? 'n' : 'N' ), '] '; |
| 87 |
print "$default\n"; |
| 88 |
return $default; |
| 89 |
} |
| 90 |
|
| 91 |
# the workhorse |
| 92 |
sub import { |
| 93 |
my $class = shift; |
| 94 |
my @args = @_ or return; |
| 95 |
my $core_all; |
| 96 |
|
| 97 |
print "*** $class version " . $class->VERSION . "\n"; |
| 98 |
print "*** Checking for Perl dependencies...\n"; |
| 99 |
|
| 100 |
my $cwd = Cwd::cwd(); |
| 101 |
|
| 102 |
$Config = []; |
| 103 |
|
| 104 |
my $maxlen = length( |
| 105 |
( |
| 106 |
sort { length($b) <=> length($a) } |
| 107 |
grep { /^[^\-]/ } |
| 108 |
map { |
| 109 |
ref($_) |
| 110 |
? ( ( ref($_) eq 'HASH' ) ? keys(%$_) : @{$_} ) |
| 111 |
: '' |
| 112 |
} |
| 113 |
map { +{@args}->{$_} } |
| 114 |
grep { /^[^\-]/ or /^-core$/i } keys %{ +{@args} } |
| 115 |
)[0] |
| 116 |
); |
| 117 |
|
| 118 |
while ( my ( $feature, $modules ) = splice( @args, 0, 2 ) ) { |
| 119 |
my ( @required, @tests, @skiptests ); |
| 120 |
my $default = 1; |
| 121 |
my $conflict = 0; |
| 122 |
|
| 123 |
if ( $feature =~ m/^-(\w+)$/ ) { |
| 124 |
my $option = lc($1); |
| 125 |
|
| 126 |
# check for a newer version of myself |
| 127 |
_update_to( $modules, @_ ) and return if $option eq 'version'; |
| 128 |
|
| 129 |
# sets CPAN configuration options |
| 130 |
$Config = $modules if $option eq 'config'; |
| 131 |
|
| 132 |
# promote every features to core status |
| 133 |
$core_all = ( $modules =~ /^all$/i ) and next |
| 134 |
if $option eq 'core'; |
| 135 |
|
| 136 |
next unless $option eq 'core'; |
| 137 |
} |
| 138 |
|
| 139 |
print "[" . ( $FeatureMap{ lc($feature) } || $feature ) . "]\n"; |
| 140 |
|
| 141 |
$modules = [ %{$modules} ] if UNIVERSAL::isa( $modules, 'HASH' ); |
| 142 |
|
| 143 |
unshift @$modules, -default => &{ shift(@$modules) } |
| 144 |
if ( ref( $modules->[0] ) eq 'CODE' ); # XXX: bugward combatability |
| 145 |
|
| 146 |
while ( my ( $mod, $arg ) = splice( @$modules, 0, 2 ) ) { |
| 147 |
if ( $mod =~ m/^-(\w+)$/ ) { |
| 148 |
my $option = lc($1); |
| 149 |
|
| 150 |
$default = $arg if ( $option eq 'default' ); |
| 151 |
$conflict = $arg if ( $option eq 'conflict' ); |
| 152 |
@tests = @{$arg} if ( $option eq 'tests' ); |
| 153 |
@skiptests = @{$arg} if ( $option eq 'skiptests' ); |
| 154 |
|
| 155 |
next; |
| 156 |
} |
| 157 |
|
| 158 |
printf( "- %-${maxlen}s ...", $mod ); |
| 159 |
|
| 160 |
if ( $arg and $arg =~ /^\D/ ) { |
| 161 |
unshift @$modules, $arg; |
| 162 |
$arg = 0; |
| 163 |
} |
| 164 |
|
| 165 |
# XXX: check for conflicts and uninstalls(!) them. |
| 166 |
if ( |
| 167 |
defined( my $cur = _version_check( _load($mod), $arg ||= 0 ) ) ) |
| 168 |
{ |
| 169 |
print "loaded. ($cur" . ( $arg ? " >= $arg" : '' ) . ")\n"; |
| 170 |
push @Existing, $mod => $arg; |
| 171 |
$DisabledTests{$_} = 1 for map { glob($_) } @skiptests; |
| 172 |
} |
| 173 |
else { |
| 174 |
print "missing." . ( $arg ? " (would need $arg)" : '' ) . "\n"; |
| 175 |
push @required, $mod => $arg; |
| 176 |
} |
| 177 |
} |
| 178 |
|
| 179 |
next unless @required; |
| 180 |
|
| 181 |
my $mandatory = ( $feature eq '-core' or $core_all ); |
| 182 |
|
| 183 |
if ( |
| 184 |
!$SkipInstall |
| 185 |
and ( |
| 186 |
$CheckOnly |
| 187 |
or _prompt( |
| 188 |
qq{==> Auto-install the } |
| 189 |
. ( @required / 2 ) |
| 190 |
. ( $mandatory ? ' mandatory' : ' optional' ) |
| 191 |
. qq{ module(s) from CPAN?}, |
| 192 |
$default ? 'y' : 'n', |
| 193 |
) =~ /^[Yy]/ |
| 194 |
) |
| 195 |
) |
| 196 |
{ |
| 197 |
push( @Missing, @required ); |
| 198 |
$DisabledTests{$_} = 1 for map { glob($_) } @skiptests; |
| 199 |
} |
| 200 |
|
| 201 |
elsif ( !$SkipInstall |
| 202 |
and $default |
| 203 |
and $mandatory |
| 204 |
and |
| 205 |
_prompt( qq{==> The module(s) are mandatory! Really skip?}, 'n', ) |
| 206 |
=~ /^[Nn]/ ) |
| 207 |
{ |
| 208 |
push( @Missing, @required ); |
| 209 |
$DisabledTests{$_} = 1 for map { glob($_) } @skiptests; |
| 210 |
} |
| 211 |
|
| 212 |
else { |
| 213 |
$DisabledTests{$_} = 1 for map { glob($_) } @tests; |
| 214 |
} |
| 215 |
} |
| 216 |
|
| 217 |
$UnderCPAN = _check_lock(); # check for $UnderCPAN |
| 218 |
|
| 219 |
if ( @Missing and not( $CheckOnly or $UnderCPAN ) ) { |
| 220 |
require Config; |
| 221 |
print |
| 222 |
"*** Dependencies will be installed the next time you type '$Config::Config{make}'.\n"; |
| 223 |
|
| 224 |
# make an educated guess of whether we'll need root permission. |
| 225 |
print " (You may need to do that as the 'root' user.)\n" |
| 226 |
if eval '$>'; |
| 227 |
} |
| 228 |
print "*** $class configuration finished.\n"; |
| 229 |
|
| 230 |
chdir $cwd; |
| 231 |
|
| 232 |
# import to main:: |
| 233 |
no strict 'refs'; |
| 234 |
*{'main::WriteMakefile'} = \&Write if caller(0) eq 'main'; |
| 235 |
} |
| 236 |
|
| 237 |
# Check to see if we are currently running under CPAN.pm and/or CPANPLUS; |
| 238 |
# if we are, then we simply let it taking care of our dependencies |
| 239 |
sub _check_lock { |
| 240 |
return unless @Missing; |
| 241 |
|
| 242 |
if ($ENV{PERL5_CPANPLUS_IS_RUNNING}) { |
| 243 |
print <<'END_MESSAGE'; |
| 244 |
|
| 245 |
*** Since we're running under CPANPLUS, I'll just let it take care |
| 246 |
of the dependency's installation later. |
| 247 |
END_MESSAGE |
| 248 |
return 1; |
| 249 |
} |
| 250 |
|
| 251 |
_load_cpan(); |
| 252 |
|
| 253 |
# Find the CPAN lock-file |
| 254 |
my $lock = MM->catfile( $CPAN::Config->{cpan_home}, ".lock" ); |
| 255 |
return unless -f $lock; |
| 256 |
|
| 257 |
# Check the lock |
| 258 |
local *LOCK; |
| 259 |
return unless open(LOCK, $lock); |
| 260 |
|
| 261 |
if ( |
| 262 |
( $^O eq 'MSWin32' ? _under_cpan() : <LOCK> == getppid() ) |
| 263 |
and ( $CPAN::Config->{prerequisites_policy} || '' ) ne 'ignore' |
| 264 |
) { |
| 265 |
print <<'END_MESSAGE'; |
| 266 |
|
| 267 |
*** Since we're running under CPAN, I'll just let it take care |
| 268 |
of the dependency's installation later. |
| 269 |
END_MESSAGE |
| 270 |
return 1; |
| 271 |
} |
| 272 |
|
| 273 |
close LOCK; |
| 274 |
return; |
| 275 |
} |
| 276 |
|
| 277 |
sub install { |
| 278 |
my $class = shift; |
| 279 |
|
| 280 |
my $i; # used below to strip leading '-' from config keys |
| 281 |
my @config = ( map { s/^-// if ++$i; $_ } @{ +shift } ); |
| 282 |
|
| 283 |
my ( @modules, @installed ); |
| 284 |
while ( my ( $pkg, $ver ) = splice( @_, 0, 2 ) ) { |
| 285 |
|
| 286 |
# grep out those already installed |
| 287 |
if ( defined( _version_check( _load($pkg), $ver ) ) ) { |
| 288 |
push @installed, $pkg; |
| 289 |
} |
| 290 |
else { |
| 291 |
push @modules, $pkg, $ver; |
| 292 |
} |
| 293 |
} |
| 294 |
|
| 295 |
return @installed unless @modules; # nothing to do |
| 296 |
return @installed if _check_lock(); # defer to the CPAN shell |
| 297 |
|
| 298 |
print "*** Installing dependencies...\n"; |
| 299 |
|
| 300 |
return unless _connected_to('cpan.org'); |
| 301 |
|
| 302 |
my %args = @config; |
| 303 |
my %failed; |
| 304 |
local *FAILED; |
| 305 |
if ( $args{do_once} and open( FAILED, '.#autoinstall.failed' ) ) { |
| 306 |
while (<FAILED>) { chomp; $failed{$_}++ } |
| 307 |
close FAILED; |
| 308 |
|
| 309 |
my @newmod; |
| 310 |
while ( my ( $k, $v ) = splice( @modules, 0, 2 ) ) { |
| 311 |
push @newmod, ( $k => $v ) unless $failed{$k}; |
| 312 |
} |
| 313 |
@modules = @newmod; |
| 314 |
} |
| 315 |
|
| 316 |
if ( _has_cpanplus() ) { |
| 317 |
_install_cpanplus( \@modules, \@config ); |
| 318 |
} else { |
| 319 |
_install_cpan( \@modules, \@config ); |
| 320 |
} |
| 321 |
|
| 322 |
print "*** $class installation finished.\n"; |
| 323 |
|
| 324 |
# see if we have successfully installed them |
| 325 |
while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) { |
| 326 |
if ( defined( _version_check( _load($pkg), $ver ) ) ) { |
| 327 |
push @installed, $pkg; |
| 328 |
} |
| 329 |
elsif ( $args{do_once} and open( FAILED, '>> .#autoinstall.failed' ) ) { |
| 330 |
print FAILED "$pkg\n"; |
| 331 |
} |
| 332 |
} |
| 333 |
|
| 334 |
close FAILED if $args{do_once}; |
| 335 |
|
| 336 |
return @installed; |
| 337 |
} |
| 338 |
|
| 339 |
sub _install_cpanplus { |
| 340 |
my @modules = @{ +shift }; |
| 341 |
my @config = _cpanplus_config( @{ +shift } ); |
| 342 |
my $installed = 0; |
| 343 |
|
| 344 |
require CPANPLUS::Backend; |
| 345 |
my $cp = CPANPLUS::Backend->new; |
| 346 |
my $conf = $cp->configure_object; |
| 347 |
|
| 348 |
return unless $conf->can('conf') # 0.05x+ with "sudo" support |
| 349 |
or _can_write($conf->_get_build('base')); # 0.04x |
| 350 |
|
| 351 |
# if we're root, set UNINST=1 to avoid trouble unless user asked for it. |
| 352 |
my $makeflags = $conf->get_conf('makeflags') || ''; |
| 353 |
if ( UNIVERSAL::isa( $makeflags, 'HASH' ) ) { |
| 354 |
# 0.03+ uses a hashref here |
| 355 |
$makeflags->{UNINST} = 1 unless exists $makeflags->{UNINST}; |
| 356 |
|
| 357 |
} else { |
| 358 |
# 0.02 and below uses a scalar |
| 359 |
$makeflags = join( ' ', split( ' ', $makeflags ), 'UNINST=1' ) |
| 360 |
if ( $makeflags !~ /\bUNINST\b/ and eval qq{ $> eq '0' } ); |
| 361 |
|
| 362 |
} |
| 363 |
$conf->set_conf( makeflags => $makeflags ); |
| 364 |
$conf->set_conf( prereqs => 1 ); |
| 365 |
|
| 366 |
|
| 367 |
|
| 368 |
while ( my ( $key, $val ) = splice( @config, 0, 2 ) ) { |
| 369 |
$conf->set_conf( $key, $val ); |
| 370 |
} |
| 371 |
|
| 372 |
my $modtree = $cp->module_tree; |
| 373 |
while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) { |
| 374 |
print "*** Installing $pkg...\n"; |
| 375 |
|
| 376 |
MY::preinstall( $pkg, $ver ) or next if defined &MY::preinstall; |
| 377 |
|
| 378 |
my $success; |
| 379 |
my $obj = $modtree->{$pkg}; |
| 380 |
|
| 381 |
if ( $obj and defined( _version_check( $obj->{version}, $ver ) ) ) { |
| 382 |
my $pathname = $pkg; |
| 383 |
$pathname =~ s/::/\\W/; |
| 384 |
|
| 385 |
foreach my $inc ( grep { m/$pathname.pm/i } keys(%INC) ) { |
| 386 |
delete $INC{$inc}; |
| 387 |
} |
| 388 |
|
| 389 |
my $rv = $cp->install( modules => [ $obj->{module} ] ); |
| 390 |
|
| 391 |
if ( $rv and ( $rv->{ $obj->{module} } or $rv->{ok} ) ) { |
| 392 |
print "*** $pkg successfully installed.\n"; |
| 393 |
$success = 1; |
| 394 |
} else { |
| 395 |
print "*** $pkg installation cancelled.\n"; |
| 396 |
$success = 0; |
| 397 |
} |
| 398 |
|
| 399 |
$installed += $success; |
| 400 |
} else { |
| 401 |
print << "."; |
| 402 |
*** Could not find a version $ver or above for $pkg; skipping. |
| 403 |
. |
| 404 |
} |
| 405 |
|
| 406 |
MY::postinstall( $pkg, $ver, $success ) if defined &MY::postinstall; |
| 407 |
} |
| 408 |
|
| 409 |
return $installed; |
| 410 |
} |
| 411 |
|
| 412 |
sub _cpanplus_config { |
| 413 |
my @config = (); |
| 414 |
while ( @_ ) { |
| 415 |
my ($key, $value) = (shift(), shift()); |
| 416 |
if ( $key eq 'prerequisites_policy' ) { |
| 417 |
if ( $value eq 'follow' ) { |
| 418 |
$value = CPANPLUS::Internals::Constants::PREREQ_INSTALL(); |
| 419 |
} elsif ( $value eq 'ask' ) { |
| 420 |
$value = CPANPLUS::Internals::Constants::PREREQ_ASK(); |
| 421 |
} elsif ( $value eq 'ignore' ) { |
| 422 |
$value = CPANPLUS::Internals::Constants::PREREQ_IGNORE(); |
| 423 |
} else { |
| 424 |
die "*** Cannot convert option $key = '$value' to CPANPLUS version.\n"; |
| 425 |
} |
| 426 |
} else { |
| 427 |
die "*** Cannot convert option $key to CPANPLUS version.\n"; |
| 428 |
} |
| 429 |
} |
| 430 |
return @config; |
| 431 |
} |
| 432 |
|
| 433 |
sub _install_cpan { |
| 434 |
my @modules = @{ +shift }; |
| 435 |
my @config = @{ +shift }; |
| 436 |
my $installed = 0; |
| 437 |
my %args; |
| 438 |
|
| 439 |
_load_cpan(); |
| 440 |
require Config; |
| 441 |
|
| 442 |
if (CPAN->VERSION < 1.80) { |
| 443 |
# no "sudo" support, probe for writableness |
| 444 |
return unless _can_write( MM->catfile( $CPAN::Config->{cpan_home}, 'sources' ) ) |
| 445 |
and _can_write( $Config::Config{sitelib} ); |
| 446 |
} |
| 447 |
|
| 448 |
# if we're root, set UNINST=1 to avoid trouble unless user asked for it. |
| 449 |
my $makeflags = $CPAN::Config->{make_install_arg} || ''; |
| 450 |
$CPAN::Config->{make_install_arg} = |
| 451 |
join( ' ', split( ' ', $makeflags ), 'UNINST=1' ) |
| 452 |
if ( $makeflags !~ /\bUNINST\b/ and eval qq{ $> eq '0' } ); |
| 453 |
|
| 454 |
# don't show start-up info |
| 455 |
$CPAN::Config->{inhibit_startup_message} = 1; |
| 456 |
|
| 457 |
# set additional options |
| 458 |
while ( my ( $opt, $arg ) = splice( @config, 0, 2 ) ) { |
| 459 |
( $args{$opt} = $arg, next ) |
| 460 |
if $opt =~ /^force$/; # pseudo-option |
| 461 |
$CPAN::Config->{$opt} = $arg; |
| 462 |
} |
| 463 |
|
| 464 |
local $CPAN::Config->{prerequisites_policy} = 'follow'; |
| 465 |
|
| 466 |
while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) { |
| 467 |
MY::preinstall( $pkg, $ver ) or next if defined &MY::preinstall; |
| 468 |
|
| 469 |
print "*** Installing $pkg...\n"; |
| 470 |
|
| 471 |
my $obj = CPAN::Shell->expand( Module => $pkg ); |
| 472 |
my $success = 0; |
| 473 |
|
| 474 |
if ( $obj and defined( _version_check( $obj->cpan_version, $ver ) ) ) { |
| 475 |
my $pathname = $pkg; |
| 476 |
$pathname =~ s/::/\\W/; |
| 477 |
|
| 478 |
foreach my $inc ( grep { m/$pathname.pm/i } keys(%INC) ) { |
| 479 |
delete $INC{$inc}; |
| 480 |
} |
| 481 |
|
| 482 |
my $rv = $args{force} ? CPAN::Shell->force( install => $pkg ) |
| 483 |
: CPAN::Shell->install($pkg); |
| 484 |
$rv ||= eval { |
| 485 |
$CPAN::META->instance( 'CPAN::Distribution', $obj->cpan_file, ) |
| 486 |
->{install} |
| 487 |
if $CPAN::META; |
| 488 |
}; |
| 489 |
|
| 490 |
if ( $rv eq 'YES' ) { |
| 491 |
print "*** $pkg successfully installed.\n"; |
| 492 |
$success = 1; |
| 493 |
} |
| 494 |
else { |
| 495 |
print "*** $pkg installation failed.\n"; |
| 496 |
$success = 0; |
| 497 |
} |
| 498 |
|
| 499 |
$installed += $success; |
| 500 |
} |
| 501 |
else { |
| 502 |
print << "."; |
| 503 |
*** Could not find a version $ver or above for $pkg; skipping. |
| 504 |
. |
| 505 |
} |
| 506 |
|
| 507 |
MY::postinstall( $pkg, $ver, $success ) if defined &MY::postinstall; |
| 508 |
} |
| 509 |
|
| 510 |
return $installed; |
| 511 |
} |
| 512 |
|
| 513 |
sub _has_cpanplus { |
| 514 |
return ( |
| 515 |
$HasCPANPLUS = ( |
| 516 |
$INC{'CPANPLUS/Config.pm'} |
| 517 |
or _load('CPANPLUS::Shell::Default') |
| 518 |
) |
| 519 |
); |
| 520 |
} |
| 521 |
|
| 522 |
# make guesses on whether we're under the CPAN installation directory |
| 523 |
sub _under_cpan { |
| 524 |
require Cwd; |
| 525 |
require File::Spec; |
| 526 |
|
| 527 |
my $cwd = File::Spec->canonpath( Cwd::cwd() ); |
| 528 |
my $cpan = File::Spec->canonpath( $CPAN::Config->{cpan_home} ); |
| 529 |
|
| 530 |
return ( index( $cwd, $cpan ) > -1 ); |
| 531 |
} |
| 532 |
|
| 533 |
sub _update_to { |
| 534 |
my $class = __PACKAGE__; |
| 535 |
my $ver = shift; |
| 536 |
|
| 537 |
return |
| 538 |
if defined( _version_check( _load($class), $ver ) ); # no need to upgrade |
| 539 |
|
| 540 |
if ( |
| 541 |
_prompt( "==> A newer version of $class ($ver) is required. Install?", |
| 542 |
'y' ) =~ /^[Nn]/ |
| 543 |
) |
| 544 |
{ |
| 545 |
die "*** Please install $class $ver manually.\n"; |
| 546 |
} |
| 547 |
|
| 548 |
print << "."; |
| 549 |
*** Trying to fetch it from CPAN... |
| 550 |
. |
| 551 |
|
| 552 |
# install ourselves |
| 553 |
_load($class) and return $class->import(@_) |
| 554 |
if $class->install( [], $class, $ver ); |
| 555 |
|
| 556 |
print << '.'; exit 1; |
| 557 |
|
| 558 |
*** Cannot bootstrap myself. :-( Installation terminated. |
| 559 |
. |
| 560 |
} |
| 561 |
|
| 562 |
# check if we're connected to some host, using inet_aton |
| 563 |
sub _connected_to { |
| 564 |
my $site = shift; |
| 565 |
|
| 566 |
return ( |
| 567 |
( _load('Socket') and Socket::inet_aton($site) ) or _prompt( |
| 568 |
qq( |
| 569 |
*** Your host cannot resolve the domain name '$site', which |
| 570 |
probably means the Internet connections are unavailable. |
| 571 |
==> Should we try to install the required module(s) anyway?), 'n' |
| 572 |
) =~ /^[Yy]/ |
| 573 |
); |
| 574 |
} |
| 575 |
|
| 576 |
# check if a directory is writable; may create it on demand |
| 577 |
sub _can_write { |
| 578 |
my $path = shift; |
| 579 |
mkdir( $path, 0755 ) unless -e $path; |
| 580 |
|
| 581 |
return 1 if -w $path; |
| 582 |
|
| 583 |
print << "."; |
| 584 |
*** You are not allowed to write to the directory '$path'; |
| 585 |
the installation may fail due to insufficient permissions. |
| 586 |
. |
| 587 |
|
| 588 |
if ( |
| 589 |
eval '$>' and lc(`sudo -V`) =~ /version/ and _prompt( |
| 590 |
qq( |
| 591 |
==> Should we try to re-execute the autoinstall process with 'sudo'?), |
| 592 |
((-t STDIN) ? 'y' : 'n') |
| 593 |
) =~ /^[Yy]/ |
| 594 |
) |
| 595 |
{ |
| 596 |
|
| 597 |
# try to bootstrap ourselves from sudo |
| 598 |
print << "."; |
| 599 |
*** Trying to re-execute the autoinstall process with 'sudo'... |
| 600 |
. |
| 601 |
my $missing = join( ',', @Missing ); |
| 602 |
my $config = join( ',', |
| 603 |
UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} ) |
| 604 |
if $Config; |
| 605 |
|
| 606 |
return |
| 607 |
unless system( 'sudo', $^X, $0, "--config=$config", |
| 608 |
"--installdeps=$missing" ); |
| 609 |
|
| 610 |
print << "."; |
| 611 |
*** The 'sudo' command exited with error! Resuming... |
| 612 |
. |
| 613 |
} |
| 614 |
|
| 615 |
return _prompt( |
| 616 |
qq( |
| 617 |
==> Should we try to install the required module(s) anyway?), 'n' |
| 618 |
) =~ /^[Yy]/; |
| 619 |
} |
| 620 |
|
| 621 |
# load a module and return the version it reports |
| 622 |
sub _load { |
| 623 |
my $mod = pop; # class/instance doesn't matter |
| 624 |
my $file = $mod; |
| 625 |
|
| 626 |
$file =~ s|::|/|g; |
| 627 |
$file .= '.pm'; |
| 628 |
|
| 629 |
local $@; |
| 630 |
return eval { require $file; $mod->VERSION } || ( $@ ? undef: 0 ); |
| 631 |
} |
| 632 |
|
| 633 |
# Load CPAN.pm and it's configuration |
| 634 |
sub _load_cpan { |
| 635 |
return if $CPAN::VERSION; |
| 636 |
require CPAN; |
| 637 |
if ( $CPAN::HandleConfig::VERSION ) { |
| 638 |
# Newer versions of CPAN have a HandleConfig module |
| 639 |
CPAN::HandleConfig->load; |
| 640 |
} else { |
| 641 |
# Older versions had the load method in Config directly |
| 642 |
CPAN::Config->load; |
| 643 |
} |
| 644 |
} |
| 645 |
|
| 646 |
# compare two versions, either use Sort::Versions or plain comparison |
| 647 |
sub _version_check { |
| 648 |
my ( $cur, $min ) = @_; |
| 649 |
return unless defined $cur; |
| 650 |
|
| 651 |
$cur =~ s/\s+$//; |
| 652 |
|
| 653 |
# check for version numbers that are not in decimal format |
| 654 |
if ( ref($cur) or ref($min) or $cur =~ /v|\..*\./ or $min =~ /v|\..*\./ ) { |
| 655 |
if ( ( $version::VERSION or defined( _load('version') )) and |
| 656 |
version->can('new') |
| 657 |
) { |
| 658 |
|
| 659 |
# use version.pm if it is installed. |
| 660 |
return ( |
| 661 |
( version->new($cur) >= version->new($min) ) ? $cur : undef ); |
| 662 |
} |
| 663 |
elsif ( $Sort::Versions::VERSION or defined( _load('Sort::Versions') ) ) |
| 664 |
{ |
| 665 |
|
| 666 |
# use Sort::Versions as the sorting algorithm for a.b.c versions |
| 667 |
return ( ( Sort::Versions::versioncmp( $cur, $min ) != -1 ) |
| 668 |
? $cur |
| 669 |
: undef ); |
| 670 |
} |
| 671 |
|
| 672 |
warn "Cannot reliably compare non-decimal formatted versions.\n" |
| 673 |
. "Please install version.pm or Sort::Versions.\n"; |
| 674 |
} |
| 675 |
|
| 676 |
# plain comparison |
| 677 |
local $^W = 0; # shuts off 'not numeric' bugs |
| 678 |
return ( $cur >= $min ? $cur : undef ); |
| 679 |
} |
| 680 |
|
| 681 |
# nothing; this usage is deprecated. |
| 682 |
sub main::PREREQ_PM { return {}; } |
| 683 |
|
| 684 |
sub _make_args { |
| 685 |
my %args = @_; |
| 686 |
|
| 687 |
$args{PREREQ_PM} = { %{ $args{PREREQ_PM} || {} }, @Existing, @Missing } |
| 688 |
if $UnderCPAN or $TestOnly; |
| 689 |
|
| 690 |
if ( $args{EXE_FILES} and -e 'MANIFEST' ) { |
| 691 |
require ExtUtils::Manifest; |
| 692 |
my $manifest = ExtUtils::Manifest::maniread('MANIFEST'); |
| 693 |
|
| 694 |
$args{EXE_FILES} = |
| 695 |
[ grep { exists $manifest->{$_} } @{ $args{EXE_FILES} } ]; |
| 696 |
} |
| 697 |
|
| 698 |
$args{test}{TESTS} ||= 't/*.t'; |
| 699 |
$args{test}{TESTS} = join( ' ', |
| 700 |
grep { !exists( $DisabledTests{$_} ) } |
| 701 |
map { glob($_) } split( /\s+/, $args{test}{TESTS} ) ); |
| 702 |
|
| 703 |
my $missing = join( ',', @Missing ); |
| 704 |
my $config = |
| 705 |
join( ',', UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} ) |
| 706 |
if $Config; |
| 707 |
|
| 708 |
$PostambleActions = ( |
| 709 |
$missing |
| 710 |
? "\$(PERL) $0 --config=$config --installdeps=$missing" |
| 711 |
: "\$(NOECHO) \$(NOOP)" |
| 712 |
); |
| 713 |
|
| 714 |
return %args; |
| 715 |
} |
| 716 |
|
| 717 |
# a wrapper to ExtUtils::MakeMaker::WriteMakefile |
| 718 |
sub Write { |
| 719 |
require Carp; |
| 720 |
Carp::croak "WriteMakefile: Need even number of args" if @_ % 2; |
| 721 |
|
| 722 |
if ($CheckOnly) { |
| 723 |
print << "."; |
| 724 |
*** Makefile not written in check-only mode. |
| 725 |
. |
| 726 |
return; |
| 727 |
} |
| 728 |
|
| 729 |
my %args = _make_args(@_); |
| 730 |
|
| 731 |
no strict 'refs'; |
| 732 |
|
| 733 |
$PostambleUsed = 0; |
| 734 |
local *MY::postamble = \&postamble unless defined &MY::postamble; |
| 735 |
ExtUtils::MakeMaker::WriteMakefile(%args); |
| 736 |
|
| 737 |
print << "." unless $PostambleUsed; |
| 738 |
*** WARNING: Makefile written with customized MY::postamble() without |
| 739 |
including contents from Module::AutoInstall::postamble() -- |
| 740 |
auto installation features disabled. Please contact the author. |
| 741 |
. |
| 742 |
|
| 743 |
return 1; |
| 744 |
} |
| 745 |
|
| 746 |
sub postamble { |
| 747 |
$PostambleUsed = 1; |
| 748 |
|
| 749 |
return << "."; |
| 750 |
|
| 751 |
config :: installdeps |
| 752 |
\t\$(NOECHO) \$(NOOP) |
| 753 |
|
| 754 |
checkdeps :: |
| 755 |
\t\$(PERL) $0 --checkdeps |
| 756 |
|
| 757 |
installdeps :: |
| 758 |
\t$PostambleActions |
| 759 |
|
| 760 |
. |
| 761 |
|
| 762 |
} |
| 763 |
|
| 764 |
1; |
| 765 |
|
| 766 |
__END__ |
| 767 |
|
| 768 |
#line 1003 |
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