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#!/usr/bin/perl5.22-x86_64-linux-gnu eval 'exec /usr/bin/perl -S $0 ${1+"$@"}' if $running_under_some_shell; #!/usr/local/bin/perl use strict; use vars qw($VERSION); use App::Cpan '1.60_02'; $VERSION = '1.61'; my $rc = App::Cpan->run( @ARGV ); # will this work under Strawberry Perl? exit( $rc || 0 ); =head1 NAME cpan - easily interact with CPAN from the command line =head1 SYNOPSIS # with arguments and no switches, installs specified modules cpan module_name [ module_name ... ] # with switches, installs modules with extra behavior cpan [-cfgimtTw] module_name [ module_name ... ] # with just the dot, install from the distribution in the # current directory cpan . # without arguments, starts CPAN.pm shell cpan # force install modules (usually those that fail tests) cpan -f module_name [ module_name ... ] # install modules but without testing them cpan -T module_name [ module_name ... ] # dump the configuration cpan -J # load a different configuration to install Module::Foo cpan -j some/other/file Module::Foo # without arguments, but some switches cpan [-ahrvACDlLO] =head1 DESCRIPTION This script provides a command interface (not a shell) to CPAN. At the moment it uses CPAN.pm to do the work, but it is not a one-shot command runner for CPAN.pm. =head2 Options =over 4 =item -a Creates a CPAN.pm autobundle with CPAN::Shell->autobundle. =item -A module [ module ... ] Shows the primary maintainers for the specified modules. =item -c module Runs a `make clean` in the specified module's directories. =item -C module [ module ... ] Show the F<Changes> files for the specified modules =item -D module [ module ... ] Show the module details. =item -f Force the specified action, when it normally would have failed. Use this to install a module even if its tests fail. When you use this option, -i is not optional for installing a module when you need to force it: % cpan -f -i Module::Foo =item -F Turn off CPAN.pm's attempts to lock anything. You should be careful with this since you might end up with multiple scripts trying to muck in the same directory. This isn't so much of a concern if you're loading a special config with C<-j>, and that config sets up its own work directories. =item -g module [ module ... ] Downloads to the current directory the latest distribution of the module. =item -G module [ module ... ] UNIMPLEMENTED Download to the current directory the latest distribution of the modules, unpack each distribution, and create a git repository for each distribution. If you want this feature, check out Yanick Champoux's C<Git::CPAN::Patch> distribution. =item -h Print a help message and exit. When you specify C<-h>, it ignores all of the other options and arguments. =item -i Install the specified modules. =item -I Load C<local::lib> (think like C<-I> for loading lib paths). =item -j Config.pm Load the file that has the CPAN configuration data. This should have the same format as the standard F<CPAN/Config.pm> file, which defines C<$CPAN::Config> as an anonymous hash. =item -J Dump the configuration in the same format that CPAN.pm uses. This is useful for checking the configuration as well as using the dump as a starting point for a new, custom configuration. =item -l List all installed modules with their versions =item -L author [ author ... ] List the modules by the specified authors. =item -m Make the specified modules. =item -O Show the out-of-date modules. =item -p Ping the configured mirrors =item -P Find the best mirrors you could be using (but doesn't configure them just yet) =item -r Recompiles dynamically loaded modules with CPAN::Shell->recompile. =item -t Run a `make test` on the specified modules. =item -T Do not test modules. Simply install them. =item -u Upgrade all installed modules. Blindly doing this can really break things, so keep a backup. =item -v Print the script version and CPAN.pm version then exit. =item -V Print detailed information about the cpan client. =item -w UNIMPLEMENTED Turn on cpan warnings. This checks various things, like directory permissions, and tells you about problems you might have. =back =head2 Examples # print a help message cpan -h # print the version numbers cpan -v # create an autobundle cpan -a # recompile modules cpan -r # upgrade all installed modules cpan -u # install modules ( sole -i is optional ) cpan -i Netscape::Booksmarks Business::ISBN # force install modules ( must use -i ) cpan -fi CGI::Minimal URI =head1 ENVIRONMENT VARIABLES =over 4 There are several components in CPAN.pm that use environment variables. The build tools, L<ExtUtils::MakeMaker> and L<Module::Build> use some, while others matter to the levels above them. Some of these are specified by the Perl Toolchain Gang: Lancaster Concensus: L<https://github.com/Perl-Toolchain-Gang/toolchain-site/blob/master/lancaster-consensus.md> Oslo Concensus: L<https://github.com/Perl-Toolchain-Gang/toolchain-site/blob/master/oslo-consensus.md> =over 4 =item CPAN_OPTS C<cpan> splits this variable on whitespace and prepends that list to C<@ARGV> before it processes the command-line arguments. For instance, if you always want to use C<local:lib>, you can set C<CPAN_OPTS> to C<-I>. =item CPANSCRIPT_LOGLEVEL The log level to use, with either the embedded, minimal logger or L<Log::Log4perl> if it is installed. Possible values are the same as the C<Log::Log4perl> levels: C<TRACE>, C<DEBUG>, C<INFO>, C<WARN>, C<ERROR>, and C<FATAL>. The default is C<INFO>. =item GIT_COMMAND The path to the C<git> binary to use for the Git features. The default is C</usr/local/bin/git>. =item NONINTERACTIVE_TESTING Assume no one is paying attention and skips prompts for distributions that do that correctly. C<cpan(1)> sets this to C<1> unless it already has a value (even if that value is false). =item PERL_MM_USE_DEFAULT Use the default answer for a prompted questions. C<cpan(1)> sets this to C<1> unless it already has a value (even if that value is false). =back =back =head1 EXIT VALUES The script exits with zero if it thinks that everything worked, or a positive number if it thinks that something failed. Note, however, that in some cases it has to divine a failure by the output of things it does not control. For now, the exit codes are vague: 1 An unknown error 2 The was an external problem 4 There was an internal problem with the script 8 A module failed to install =head1 TO DO * one shot configuration values from the command line =head1 BUGS * none noted =head1 SEE ALSO Most behaviour, including environment variables and configuration, comes directly from CPAN.pm. =head1 SOURCE AVAILABILITY This code is in Github in the CPAN.pm repository: https://github.com/andk/cpanpm The source used to be tracked separately in another GitHub repo, but the canonical source is now in the above repo. =head1 CREDITS Japheth Cleaver added the bits to allow a forced install (-f). Jim Brandt suggest and provided the initial implementation for the up-to-date and Changes features. Adam Kennedy pointed out that exit() causes problems on Windows where this script ends up with a .bat extension =head1 AUTHOR brian d foy, C<< <bdfoy@cpan.org> >> =head1 COPYRIGHT Copyright (c) 2001-2014, brian d foy, All Rights Reserved. You may redistribute this under the same terms as Perl itself. =cut 1;