package local::lib;
-use 5.008001; # probably works with earlier versions but I'm not supporting them
- # (patches would, of course, be welcome)
+use 5.006;
use File::Spec ();
-use File::Path ();
use Config;
-our $VERSION = '1.008010'; # 1.8.10
+our $VERSION = '1.008026'; # 1.8.26
+$VERSION = eval $VERSION;
our @KNOWN_FLAGS = qw(--self-contained --deactivate --deactivate-all);
my %arg_store;
for my $arg (@args) {
# check for lethal dash first to stop processing before causing problems
- if ($arg =~ /−/) {
+ # the fancy dash is U+2212 or \xE2\x88\x92
+ if ($arg =~ /\xE2\x88\x92/ or $arg =~ /−/) {
die <<'DEATH';
WHOA THERE! It looks like you've got some fancy dashes in your commandline!
These are *not* the traditional -- dashes that software recognizes. You
$arg_store{path} = $class->resolve_path($arg_store{path});
$class->setup_local_lib_for($arg_store{path}, $deactivating);
-
- for (@INC) { # Untaint @INC
- next if ref; # Skip entry if it is an ARRAY, CODE, blessed, etc.
- m/(.*)/ and $_ = $1;
- }
}
sub pipeline;
package local::lib;
{ package Foo; sub foo { -$_[1] } sub bar { $_[1]+2 } sub baz { $_[1]+3 } }
-my $foo = bless({}, 'Foo');
+my $foo = bless({}, 'Foo');
Test::More::ok($foo->${pipeline qw(foo bar baz)}(10) == -15);
=end testing
my ($class, $path) = @_;
return $path unless ($path =~ /^~/);
my ($user) = ($path =~ /^~([^\/]+)/); # can assume ^~ so undef for 'us'
- my $tried_file_homedir;
my $homedir = do {
- if (eval { require File::HomeDir } && $File::HomeDir::VERSION >= 0.65) {
- $tried_file_homedir = 1;
- if (defined $user) {
- File::HomeDir->users_home($user);
- } else {
- File::HomeDir->my_home;
- }
- } else {
- if (defined $user) {
- (getpwnam $user)[7];
- } else {
- if (defined $ENV{HOME}) {
- $ENV{HOME};
- } else {
- (getpwuid $<)[7];
- }
- }
+ if (!defined $user && defined $ENV{HOME}) {
+ $ENV{HOME}
+ }
+ else {
+ require File::Glob;
+ File::Glob::bsd_glob("~$user", File::Glob::GLOB_TILDE());
}
};
unless (defined $homedir) {
Carp::croak(
"Couldn't resolve homedir for "
.(defined $user ? $user : 'current user')
- .($tried_file_homedir ? '' : ' - consider installing File::HomeDir')
);
}
$path =~ s/^~[^\/]*/$homedir/;
my $interpolate = LITERAL_ENV;
my @active_lls = $class->active_paths;
- $class->ensure_dir_structure_for($path);
+ $class->ensure_dir_structure_for($path)
+ unless $deactivating;
# On Win32 directories often contain spaces. But some parts of the CPAN
# toolchain don't like that. To avoid this, GetShortPathName() gives us
$path = Win32::GetShortPathName($path) if $^O eq 'MSWin32';
if (! $deactivating) {
- if (@active_lls && $active_lls[-1] eq $path) {
+ if (@active_lls && $active_lls[0] eq $path) {
exit 0 if $0 eq '-';
return; # Asked to add what's already at the top of the stack
} elsif (grep { $_ eq $path} @active_lls) {
unless (-d $path) {
warn "Attempting to create directory ${path}\n";
}
- File::Path::mkpath($path);
- return
+ require File::Basename;
+ my @dirs;
+ while(!-d $path) {
+ push @dirs, $path;
+ $path = File::Basename::dirname($path);
+ }
+ mkdir $_ for reverse @dirs;
+ return;
}
+=begin testing
+
+#:: test classmethod
+
+File::Path::rmtree('t/var/splat');
+
+$c->ensure_dir_structure_for('t/var/splat');
+
+ok(-d 't/var/splat');
+
+=end testing
+
+=cut
+
sub guess_shelltype {
my $shellbin = 'sh';
if(defined $ENV{'SHELL'}) {
sub build_csh_env_declaration {
my $class = shift;
my($name, $value) = @_;
- return defined($value) ? qq{setenv ${name} "${value}"\n} : qq{unsetenv ${name}\n};
+ return defined($value) ? qq{setenv ${name} "${value}";\n} : qq{unsetenv ${name};\n};
}
sub build_win32_env_declaration {
sub build_environment_vars_for {
my ($class, $path, $deactivating, $interpolate) = @_;
- if ($deactivating == DEACTIVATE_ONE) {
+ if ($deactivating && $deactivating == DEACTIVATE_ONE) {
return $class->build_deactivate_environment_vars_for($path, $interpolate);
- } elsif ($deactivating == DEACTIVATE_ALL) {
+ } elsif ($deactivating && $deactivating == DEACTIVATE_ALL) {
return $class->build_deact_all_environment_vars_for($path, $interpolate);
} else {
return $class->build_activate_environment_vars_for($path, $interpolate);
PERL_LOCAL_LIB_ROOT =>
_env_list_value(
{ interpolate => $interpolate, exists => 0, empty => '' },
- \'PERL_LOCAL_LIB_ROOT',
$path,
+ \'PERL_LOCAL_LIB_ROOT',
),
- PERL_MB_OPT => "--install_base ${path}",
- PERL_MM_OPT => "INSTALL_BASE=${path}",
+ $class->installer_options_for($path),
PERL5LIB =>
_env_list_value(
{ interpolate => $interpolate, exists => 0, empty => '' },
)
}
+sub _mm_escape_path {
+ my $path = shift;
+ $path =~ s/\\/\\\\\\\\/g;
+ if ($path =~ s/ /\\ /g) {
+ $path = qq{"\\"$path\\""};
+ }
+ return $path;
+}
+
+sub _mb_escape_path {
+ my $path = shift;
+ $path =~ s/\\/\\\\/g;
+ return qq{"$path"};
+}
+
sub active_paths {
my ($class) = @_;
return () unless defined $ENV{PERL_LOCAL_LIB_ROOT};
- return grep { $_ ne '' } split /\Q$Config{path_sep}/, $ENV{PERL_LOCAL_LIB_ROOT};
+
+ return grep {
+ # screen out entries that aren't actually reflected in @INC
+ my $active_ll = $class->install_base_perl_path($_);
+ grep { $_ eq $active_ll } @INC
+ }
+ grep { $_ ne '' }
+ split /\Q$Config{path_sep}\E/, $ENV{PERL_LOCAL_LIB_ROOT};
}
sub build_deactivate_environment_vars_for {
}
my $perl_path = $class->install_base_perl_path($path);
- my $arch_path = $class->install_base_arch_path($path);
my $bin_path = $class->install_base_bin_path($path);
{
exists => 0,
filter => sub {
- $_ ne $perl_path && $_ ne $arch_path
+ $_ ne $perl_path
},
},
\'PERL5LIB',
# If removing ourselves from the "top of the stack", set install paths to
# correspond with the new top of stack.
- if ($active_lls[-1] eq $path) {
- my $new_top = $active_lls[-2];
- $env{PERL_MB_OPT} = defined($new_top) ? "--install_base ${new_top}" : undef;
- $env{PERL_MM_OPT} = defined($new_top) ? "INSTALL_BASE=${new_top}" : undef;
+ if ($active_lls[0] eq $path) {
+ my $new_top = $active_lls[1];
+ my %opts = $class->installer_options_for($new_top);
+ $env{keys %opts} = values %opts;
}
return %env;
}
+sub installer_options_for {
+ my ($class, $path) = @_;
+ return (
+ PERL_MM_OPT => defined $path ? "INSTALL_BASE="._mm_escape_path($path) : undef,
+ PERL_MB_OPT => defined $path ? "--install_base "._mb_escape_path($path) : undef,
+ )
+}
+
sub build_deact_all_environment_vars_for {
my ($class, $path, $interpolate) = @_;
my %perl_paths = map { (
$class->install_base_perl_path($_) => 1,
- $class->install_base_arch_path($_) => 1
) } @active_lls;
my %bin_paths = map { (
$class->install_base_bin_path($_) => 1,
return %env;
}
-=begin testing
-
-#:: test classmethod
-
-File::Path::rmtree('t/var/splat');
-
-$c->ensure_dir_structure_for('t/var/splat');
-
-ok(-d 't/var/splat');
-
-=end testing
+1;
+__END__
=encoding utf8
$ perl -Mlocal::lib
export PERL_MB_OPT='--install_base /home/username/perl5'
export PERL_MM_OPT='INSTALL_BASE=/home/username/perl5'
- export PERL5LIB='/home/username/perl5/lib/perl5/i386-linux:/home/username/perl5/lib/perl5'
+ export PERL5LIB="/home/username/perl5/lib/perl5"
export PATH="/home/username/perl5/bin:$PATH"
=head2 The bootstrapping technique
A typical way to install local::lib is using what is known as the
"bootstrapping" technique. You would do this if your system administrator
hasn't already installed local::lib. In this case, you'll need to install
-local::lib in your home directory.
+local::lib in your home directory.
-If you do have administrative privileges, you will still want to set up your
+Even if you do have administrative privileges, you will still want to set up your
environment variables, as discussed in step 4. Without this, you would still
install the modules into the system CPAN installation and also your Perl scripts
will not use the lib/ path you bootstrapped with local::lib.
make test && make install
-4. Now we need to setup the appropriate environment variables, so that Perl
+4. Now we need to setup the appropriate environment variables, so that Perl
starts using our newly generated lib/ directory. If you are using bash or
any other Bourne shells, you can add this to your shell startup script this
way:
/bin/csh
perl -I$HOME/perl5/lib/perl5 -Mlocal::lib >> ~/.cshrc
-If you passed to bootstrap a directory other than default, you also need to give that as
-import parameter to the call of the local::lib module like this way:
+If you passed to bootstrap a directory other than default, you also need to
+give that as import parameter to the call of the local::lib module like this
+way:
echo 'eval $(perl -I$HOME/foo/lib/perl5 -Mlocal::lib=$HOME/foo)' >>~/.bashrc
After writing your shell configuration file, be sure to re-read it to get the
-changed settings into your current shell's environment. Bourne shells use
+changed settings into your current shell's environment. Bourne shells use
C<. ~/.bashrc> for this, whereas C shells use C<source ~/.cshrc>.
If you're on a slower machine, or are operating under draconian disk space
perl Makefile.PL --bootstrap --no-manpages
-To avoid doing several bootstrap for several Perl module environments on the
-same account, for example if you use it for several different deployed
-applications independently, you can use one bootstrapped local::lib
+To avoid doing several bootstrap for several Perl module environments on the
+same account, for example if you use it for several different deployed
+applications independently, you can use one bootstrapped local::lib
installation to install modules in different directories directly this way:
cd ~/mydir1
C:\>perl -Mlocal::lib
set PERL_MB_OPT=--install_base C:\DOCUME~1\ADMINI~1\perl5
set PERL_MM_OPT=INSTALL_BASE=C:\DOCUME~1\ADMINI~1\perl5
- set PERL5LIB=C:\DOCUME~1\ADMINI~1\perl5\lib\perl5;C:\DOCUME~1\ADMINI~1\perl5\lib\perl5\MSWin32-x86-multi-thread
+ set PERL5LIB=C:\DOCUME~1\ADMINI~1\perl5\lib\perl5
set PATH=C:\DOCUME~1\ADMINI~1\perl5\bin;%PATH%
-
+
### To set the environment for this shell alone
C:\>perl -Mlocal::lib > %TEMP%\tmp.bat && %TEMP%\tmp.bat && del %TEMP%\tmp.bat
### instead of $(perl -Mlocal::lib=./)
If you are using a package management system (such as Debian), you don't need to
worry about Debian and CPAN stepping on each other's toes. Your local version
of the packages will be written to an entirely separate directory from those
-installed by Debian.
+installed by Debian.
=head1 DESCRIPTION
=item PATH
-PATH is appended to, rather than clobbered.
-
=back
+When possible, these will be appended to instead of overwritten entirely.
+
These values are then available for reference by any code after import.
=head1 CREATING A SELF-CONTAINED SET OF MODULES
=item Arguments: $path, $interpolate
-=item Return value: \%environment_vars
+=item Return value: %environment_vars
=back
=back
Returns a list of active C<local::lib> paths, according to the
-C<PERL_LOCAL_LIB_ROOT> environment variable.
+C<PERL_LOCAL_LIB_ROOT> environment variable and verified against
+what is really in C<@INC>.
=head2 install_base_perl_path
library installation. Appends the directories C<lib> and C<perl5> to the given
path.
-=head2 install_base_arch_path
-
-=over 4
-
-=item Arguments: $path
-
-=item Return value: $install_base_arch_path
-
-=back
-
-Returns a path describing where to install the architecture-specific Perl
-modules for this local library installation. Based on the
-L</install_base_perl_path> method's return value, and appends the value of
-C<$Config{archname}>.
-
=head2 install_base_bin_path
=over 4
=back
Returns a path describing where to install the executable programs for this
-local library installation. Based on the L</install_base_perl_path> method's
-return value, and appends the directory C<bin>.
+local library installation. Appends the directory C<bin> to the given path.
=head2 resolve_empty_path
=head1 LIMITATIONS
-The perl toolchain is unable to handle directory names with spaces in it,
-so you cant put your local::lib bootstrap into a directory with spaces. What
-you can do is moving your local::lib to a directory with spaces B<after> you
-installed all modules inside your local::lib bootstrap. But be aware that you
-cant update or install CPAN modules after the move.
+=over 4
-Rather basic shell detection. Right now anything with csh in its name is
+=item * Directory names with spaces in them are not well supported by the perl
+toolchain and the programs it uses. Pure-perl distributions should support
+spaces, but problems are more likely with dists that require compilation. A
+workaround you can do is moving your local::lib to a directory with spaces
+B<after> you installed all modules inside your local::lib bootstrap. But be
+aware that you can't update or install CPAN modules after the move.
+
+=item * Rather basic shell detection. Right now anything with csh in its name is
assumed to be a C shell or something compatible, and everything else is assumed
to be Bourne, except on Win32 systems. If the C<SHELL> environment variable is
not set, a Bourne-compatible shell is assumed.
-Bootstrap is a hack and will use CPAN.pm for ExtUtils::MakeMaker even if you
-have CPANPLUS installed.
+=item * Kills any existing PERL_MM_OPT or PERL_MB_OPT.
-Kills any existing PERL5LIB, PERL_MM_OPT or PERL_MB_OPT.
+=item * Should probably auto-fixup CPAN config if not already done.
-Should probably auto-fixup CPAN config if not already done.
+=back
Patches very much welcome for any of the above.
-On Win32 systems, does not have a way to write the created environment variables
-to the registry, so that they can persist through a reboot.
+=over 4
+
+=item * On Win32 systems, does not have a way to write the created environment
+variables to the registry, so that they can persist through a reboot.
+
+=back
=head1 TROUBLESHOOTING
documentation additions, contributed by Christopher Nehren <apeiron@cpan.org>.
Doc patches for a custom local::lib directory, more cleanups in the english
-documentation and a L<german documentation|POD2::DE::local::lib> contributed by Torsten Raudssus
-<torsten@raudssus.de>.
+documentation and a L<german documentation|POD2::DE::local::lib> contributed by
+Torsten Raudssus <torsten@raudssus.de>.
Hans Dieter Pearcey <hdp@cpan.org> sent in some additional tests for ensuring
things will install properly, submitted a fix for the bug causing problems with
Documentation patches to make win32 usage clearer by
David Mertens <dcmertens.perl@gmail.com> (run4flat).
-Brazilian L<portuguese translation|POD2::PT_BR::local::lib> and minor doc patches contributed by Breno
-G. de Oliveira <garu@cpan.org>.
+Brazilian L<portuguese translation|POD2::PT_BR::local::lib> and minor doc
+patches contributed by Breno G. de Oliveira <garu@cpan.org>.
Improvements to stacking multiple local::lib dirs and removing them from the
environment later on contributed by Andrew Rodland <arodland@cpan.org>.
-Patch for Carp version mismatch contributed by Hakim Cassimally <osfameron@cpan.org>.
+Patch for Carp version mismatch contributed by Hakim Cassimally
+<osfameron@cpan.org>.
=head1 COPYRIGHT
=head1 LICENSE
-This library is free software and may be distributed under the same terms
-as perl itself.
+This is free software; you can redistribute it and/or modify it under
+the same terms as the Perl 5 programming language system itself.
=cut
-
-1;