X-Git-Url: http://erislabs.net/gitweb/?p=libwww-opensearch-perl.git;a=blobdiff_plain;f=inc%2FModule%2FAutoInstall.pm;fp=inc%2FModule%2FAutoInstall.pm;h=0000000000000000000000000000000000000000;hp=7efc552d2cb90d315d1a410141e333d5bb963e6c;hb=7ae19f100439de78ed7f3cc77b0fc175c4f07195;hpb=278e73a405ee3a0ece597ebdb71910cbb4dc9560 diff --git a/inc/Module/AutoInstall.pm b/inc/Module/AutoInstall.pm deleted file mode 100644 index 7efc552..0000000 --- a/inc/Module/AutoInstall.pm +++ /dev/null @@ -1,768 +0,0 @@ -#line 1 -package Module::AutoInstall; - -use strict; -use Cwd (); -use ExtUtils::MakeMaker (); - -use vars qw{$VERSION}; -BEGIN { - $VERSION = '1.03'; -} - -# 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 ); - -# See if it's a testing or non-interactive session -_accept_default( $ENV{AUTOMATED_TESTING} or ! -t STDIN ); -_init(); - -sub _accept_default { - $AcceptDefault = shift; -} - -sub missing_modules { - return @Missing; -} - -sub do_install { - __PACKAGE__->install( - [ - $Config - ? ( 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_AUTOINSTALL} || $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 Perl dependencies...\n"; - - my $cwd = Cwd::cwd(); - - $Config = []; - - my $maxlen = length( - ( - sort { length($b) <=> length($a) } - grep { /^[^\-]/ } - map { - ref($_) - ? ( ( ref($_) eq 'HASH' ) ? keys(%$_) : @{$_} ) - : '' - } - map { +{@args}->{$_} } - 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 ); - - if ( $arg and $arg =~ /^\D/ ) { - unshift @$modules, $arg; - $arg = 0; - } - - # 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; - } - } - - $UnderCPAN = _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 $cwd; - - # import to main:: - no strict 'refs'; - *{'main::WriteMakefile'} = \&Write if caller(0) eq 'main'; -} - -# Check to see if we are currently running under CPAN.pm and/or CPANPLUS; -# if we are, then we simply let it taking care of our dependencies -sub _check_lock { - return unless @Missing; - - if ($ENV{PERL5_CPANPLUS_IS_RUNNING}) { - print <<'END_MESSAGE'; - -*** Since we're running under CPANPLUS, I'll just let it take care - of the dependency's installation later. -END_MESSAGE - return 1; - } - - _load_cpan(); - - # Find the CPAN lock-file - my $lock = MM->catfile( $CPAN::Config->{cpan_home}, ".lock" ); - return unless -f $lock; - - # Check the lock - local *LOCK; - return unless open(LOCK, $lock); - - if ( - ( $^O eq 'MSWin32' ? _under_cpan() : == getppid() ) - and ( $CPAN::Config->{prerequisites_policy} || '' ) ne 'ignore' - ) { - print <<'END_MESSAGE'; - -*** Since we're running under CPAN, I'll just let it take care - of the dependency's installation later. -END_MESSAGE - return 1; - } - - close LOCK; - return; -} - -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 - return @installed if _check_lock(); # defer to the CPAN shell - - 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 () { 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 = _cpanplus_config( @{ +shift } ); - my $installed = 0; - - require CPANPLUS::Backend; - my $cp = CPANPLUS::Backend->new; - my $conf = $cp->configure_object; - - return unless $conf->can('conf') # 0.05x+ with "sudo" support - or _can_write($conf->_get_build('base')); # 0.04x - - # 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 ); - $conf->set_conf( prereqs => 1 ); - - - - while ( my ( $key, $val ) = splice( @config, 0, 2 ) ) { - $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 $installed; -} - -sub _cpanplus_config { - my @config = (); - while ( @_ ) { - my ($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 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}; - } - - 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 $ver = shift; - - return - if defined( _version_check( _load($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; - - 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; - require CPAN; - if ( $CPAN::HandleConfig::VERSION ) { - # 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 -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 ( ( $version::VERSION or defined( _load('version') )) and - version->can('new') - ) { - - # use version.pm if it is installed. - return ( - ( version->new($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} 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 - ? "\$(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 << "."; - -config :: installdeps -\t\$(NOECHO) \$(NOOP) - -checkdeps :: -\t\$(PERL) $0 --checkdeps - -installdeps :: -\t$PostambleActions - -. - -} - -1; - -__END__ - -#line 1003