X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Flocal%2Flib.pm;h=c466e4e56c38f80d1c826e0ec90cbf83d44d0f92;hb=469251c5f37705a022d40c98a20fd20d0baa37ed;hp=e1d521e7fdd155157b318459a43111450f37fcc4;hpb=03b91976440544f879e36dc1afc71bbf6a70d6e2;p=p5sagit%2Flocal-lib.git diff --git a/lib/local/lib.pm b/lib/local/lib.pm index e1d521e..c466e4e 100644 --- a/lib/local/lib.pm +++ b/lib/local/lib.pm @@ -8,17 +8,20 @@ use 5.008001; # probably works with earlier versions but I'm not supporting them use File::Spec (); use File::Path (); -use Carp (); use Config; -our $VERSION = '1.005000'; # 1.5.0 -my @KNOWN_FLAGS = (qw/--self-contained/); +our $VERSION = '1.008011'; # 1.8.11 + +our @KNOWN_FLAGS = qw(--self-contained --deactivate --deactivate-all); + +sub DEACTIVATE_ONE () { 1 } +sub DEACTIVATE_ALL () { 2 } + +sub INTERPOLATE_ENV () { 1 } +sub LITERAL_ENV () { 0 } sub import { my ($class, @args) = @_; - @args <= 1 + @KNOWN_FLAGS or die <<'DEATH'; -Please see `perldoc local::lib` for directions on using this module. -DEATH # Remember what PERL5LIB was when we started my $perl5lib = $ENV{PERL5LIB} || ''; @@ -26,7 +29,8 @@ DEATH 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 $arg =~ /−/) { die <<'DEATH'; WHOA THERE! It looks like you've got some fancy dashes in your commandline! These are *not* the traditional -- dashes that software recognizes. You @@ -50,25 +54,19 @@ DEATH } if($arg_store{'self-contained'}) { - # The only directories that remain are those that we just defined and those - # where core modules are stored. We put PERL5LIB first, so it'll be favored - # over privlibexp and archlibexp - - @INC = _uniq( - $class->install_base_perl_path($arg_store{path}), - $class->install_base_arch_path($arg_store{path}), - split( $Config{path_sep}, $perl5lib ), - $Config::Config{privlibexp}, - $Config::Config{archlibexp} - ); + die "FATAL: The local::lib --self-contained flag has never worked reliably and the original author, Mark Stosberg, was unable or unwilling to maintain it. As such, this flag has been removed from the local::lib codebase in order to prevent misunderstandings and potentially broken builds. The local::lib authors recommend that you look at the lib::core::only module shipped with this distribution in order to create a more robust environment that is equivalent to what --self-contained provided (although quite possibly not what you originally thought it provided due to the poor quality of the documentation, for which we apologise).\n"; + } - # We explicitly set PERL5LIB here to the above de-duped list to prevent - # @INC from growing with each invocation - $ENV{PERL5LIB} = join( $Config{path_sep}, @INC ); + my $deactivating = 0; + if ($arg_store{deactivate}) { + $deactivating = DEACTIVATE_ONE; + } + if ($arg_store{'deactivate-all'}) { + $deactivating = DEACTIVATE_ALL; } $arg_store{path} = $class->resolve_path($arg_store{path}); - $class->setup_local_lib_for($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. @@ -177,6 +175,7 @@ sub resolve_home_path { } }; unless (defined $homedir) { + require Carp; Carp::croak( "Couldn't resolve homedir for " .(defined $user ? $user : 'current user') @@ -204,22 +203,50 @@ is($c->resolve_relative_path('bar'),'FOObar'); =cut sub setup_local_lib_for { - my ($class, $path) = @_; - $path = $class->ensure_dir_structure_for($path); + my ($class, $path, $deactivating) = @_; + + my $interpolate = LITERAL_ENV; + my @active_lls = $class->active_paths; + + $class->ensure_dir_structure_for($path); + + # On Win32 directories often contain spaces. But some parts of the CPAN + # toolchain don't like that. To avoid this, GetShortPathName() gives us + # an alternate representation that has none. + # This only works if the directory already exists. + $path = Win32::GetShortPathName($path) if $^O eq 'MSWin32'; + + if (! $deactivating) { + if (@active_lls && $active_lls[-1] 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) { + # Asked to add a dir that's lower in the stack -- so we remove it from + # where it is, and then add it back at the top. + $class->setup_env_hash_for($path, DEACTIVATE_ONE); + # Which means we can no longer output "PERL5LIB=...:$PERL5LIB" stuff + # anymore because we're taking something *out*. + $interpolate = INTERPOLATE_ENV; + } + } + if ($0 eq '-') { - $class->print_environment_vars_for($path); + $class->print_environment_vars_for($path, $deactivating, $interpolate); exit 0; } else { - $class->setup_env_hash_for($path); - @INC = _uniq(split($Config{path_sep}, $ENV{PERL5LIB}), @INC); + $class->setup_env_hash_for($path, $deactivating); + my $arch_dir = $Config{archname}; + @INC = _uniq( + ( + # Inject $path/$archname for each path in PERL5LIB + map { ( File::Spec->catdir($_, $arch_dir), $_ ) } + split($Config{path_sep}, $ENV{PERL5LIB}) + ), + @INC + ); } } -sub modulebuildrc_path { - my ($class, $path) = @_; - File::Spec->catfile($path, '.modulebuildrc'); -} - sub install_base_bin_path { my ($class, $path) = @_; File::Spec->catdir($path, 'bin'); @@ -241,40 +268,10 @@ sub ensure_dir_structure_for { warn "Attempting to create directory ${path}\n"; } File::Path::mkpath($path); - # Need to have the path exist to make a short name for it, so - # converting to a short name here. - $path = Win32::GetShortPathName($path) if $^O eq 'MSWin32'; - my $modulebuildrc_path = $class->modulebuildrc_path($path); - if (-e $modulebuildrc_path) { - unless (-f _) { - Carp::croak("${modulebuildrc_path} exists but is not a plain file"); - } - } else { - warn "Attempting to create file ${modulebuildrc_path}\n"; - open MODULEBUILDRC, '>', $modulebuildrc_path - || Carp::croak("Couldn't open ${modulebuildrc_path} for writing: $!"); - print MODULEBUILDRC qq{install --install_base ${path}\n} - || Carp::croak("Couldn't write line to ${modulebuildrc_path}: $!"); - close MODULEBUILDRC - || Carp::croak("Couldn't close file ${modulebuildrc_path}: $@"); - } - - return $path; + return } -sub INTERPOLATE_ENV () { 1 } -sub LITERAL_ENV () { 0 } - -sub print_environment_vars_for { - my ($class, $path) = @_; - my @envs = $class->build_environment_vars_for($path, LITERAL_ENV); - my $out = ''; - - # rather basic csh detection, goes on the assumption that something won't - # call itself csh unless it really is. also, default to bourne in the - # pathological situation where a user doesn't have $ENV{SHELL} defined. - # note also that shells with funny names, like zoid, are assumed to be - # bourne. +sub guess_shelltype { my $shellbin = 'sh'; if(defined $ENV{'SHELL'}) { my @shell_bin_path_parts = File::Spec->splitpath($ENV{'SHELL'}); @@ -306,13 +303,33 @@ sub print_environment_vars_for { } }; } + return $shelltype; +} + +sub print_environment_vars_for { + my ($class, $path, $deactivating, $interpolate) = @_; + print $class->environment_vars_string_for($path, $deactivating, $interpolate); +} + +sub environment_vars_string_for { + my ($class, $path, $deactivating, $interpolate) = @_; + my @envs = $class->build_environment_vars_for($path, $deactivating, $interpolate); + my $out = ''; + + # rather basic csh detection, goes on the assumption that something won't + # call itself csh unless it really is. also, default to bourne in the + # pathological situation where a user doesn't have $ENV{SHELL} defined. + # note also that shells with funny names, like zoid, are assumed to be + # bourne. + + my $shelltype = $class->guess_shelltype; while (@envs) { my ($name, $value) = (shift(@envs), shift(@envs)); - $value =~ s/(\\")/\\$1/g; + $value =~ s/(\\")/\\$1/g if defined $value; $out .= $class->${\"build_${shelltype}_env_declaration"}($name, $value); } - print $out; + return $out; } # simple routines that take two arguments: an %ENV key and a value. return @@ -321,50 +338,205 @@ sub print_environment_vars_for { sub build_bourne_env_declaration { my $class = shift; my($name, $value) = @_; - return qq{export ${name}="${value}"\n}; + return defined($value) ? qq{export ${name}="${value}";\n} : qq{unset ${name};\n}; } sub build_csh_env_declaration { my $class = shift; my($name, $value) = @_; - return qq{setenv ${name} "${value}"\n}; + return defined($value) ? qq{setenv ${name} "${value}"\n} : qq{unsetenv ${name}\n}; } sub build_win32_env_declaration { my $class = shift; my($name, $value) = @_; - return qq{set ${name}=${value}\n}; + return defined($value) ? qq{set ${name}=${value}\n} : qq{set ${name}=\n}; } sub setup_env_hash_for { - my ($class, $path) = @_; - my %envs = $class->build_environment_vars_for($path, INTERPOLATE_ENV); + my ($class, $path, $deactivating) = @_; + my %envs = $class->build_environment_vars_for($path, $deactivating, INTERPOLATE_ENV); @ENV{keys %envs} = values %envs; } sub build_environment_vars_for { + my ($class, $path, $deactivating, $interpolate) = @_; + + if ($deactivating == DEACTIVATE_ONE) { + return $class->build_deactivate_environment_vars_for($path, $interpolate); + } elsif ($deactivating == DEACTIVATE_ALL) { + return $class->build_deact_all_environment_vars_for($path, $interpolate); + } else { + return $class->build_activate_environment_vars_for($path, $interpolate); + } +} + +# Build an environment value for a variable like PATH from a list of paths. +# References to existing variables are given as references to the variable name. +# Duplicates are removed. +# +# options: +# - interpolate: INTERPOLATE_ENV/LITERAL_ENV +# - exists: paths are included only if they exist (default: interpolate == INTERPOLATE_ENV) +# - filter: function to apply to each path do decide if it must be included +# - empty: the value to return in the case of empty value +my %ENV_LIST_VALUE_DEFAULTS = ( + interpolate => INTERPOLATE_ENV, + exists => undef, + filter => sub { 1 }, + empty => undef, +); +sub _env_list_value { + my $options = shift; + die(sprintf "unknown option '$_' at %s line %u\n", (caller)[1..2]) + for grep { !exists $ENV_LIST_VALUE_DEFAULTS{$_} } keys %$options; + my %options = (%ENV_LIST_VALUE_DEFAULTS, %{ $options }); + $options{exists} = $options{interpolate} == INTERPOLATE_ENV + unless defined $options{exists}; + + my %seen; + + my $value = join($Config{path_sep}, map { + ref $_ ? ($^O eq 'MSWin32' ? "%${$_}%" : "\$${$_}") : $_ + } grep { + ref $_ || (defined $_ + && length($_) > 0 + && !$seen{$_}++ + && $options{filter}->($_) + && (!$options{exists} || -e $_)) + } map { + if (ref $_ eq 'SCALAR' && $options{interpolate} == INTERPOLATE_ENV) { + defined $ENV{${$_}} ? (split /\Q$Config{path_sep}/, $ENV{${$_}}) : () + } else { + $_ + } + } @_); + return length($value) ? $value : $options{empty}; +} + +sub build_activate_environment_vars_for { my ($class, $path, $interpolate) = @_; return ( - MODULEBUILDRC => $class->modulebuildrc_path($path), + PERL_LOCAL_LIB_ROOT => + _env_list_value( + { interpolate => $interpolate, exists => 0, empty => '' }, + \'PERL_LOCAL_LIB_ROOT', + $path, + ), + PERL_MB_OPT => "--install_base ${path}", PERL_MM_OPT => "INSTALL_BASE=${path}", - PERL5LIB => join($Config{path_sep}, - $class->install_base_perl_path($path), - $class->install_base_arch_path($path), - (($ENV{PERL5LIB}||()) ? - ($interpolate == INTERPOLATE_ENV - ? ($ENV{PERL5LIB}) - : (($^O ne 'MSWin32') ? '$PERL5LIB' : '%PERL5LIB%' )) - : ()) - ), - PATH => join($Config{path_sep}, - $class->install_base_bin_path($path), - ($interpolate == INTERPOLATE_ENV - ? ($ENV{PATH}||()) - : (($^O ne 'MSWin32') ? '$PATH' : '%PATH%' )) - ), + PERL5LIB => + _env_list_value( + { interpolate => $interpolate, exists => 0, empty => '' }, + $class->install_base_perl_path($path), + \'PERL5LIB', + ), + PATH => _env_list_value( + { interpolate => $interpolate, exists => 0, empty => '' }, + $class->install_base_bin_path($path), + \'PATH', + ), ) } +sub active_paths { + my ($class) = @_; + + return () unless defined $ENV{PERL_LOCAL_LIB_ROOT}; + return grep { $_ ne '' } split /\Q$Config{path_sep}/, $ENV{PERL_LOCAL_LIB_ROOT}; +} + +sub build_deactivate_environment_vars_for { + my ($class, $path, $interpolate) = @_; + + my @active_lls = $class->active_paths; + + if (!grep { $_ eq $path } @active_lls) { + warn "Tried to deactivate inactive local::lib '$path'\n"; + return (); + } + + 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); + + + my %env = ( + PERL_LOCAL_LIB_ROOT => _env_list_value( + { + exists => 0, + }, + grep { $_ ne $path } @active_lls + ), + PERL5LIB => _env_list_value( + { + exists => 0, + filter => sub { + $_ ne $perl_path && $_ ne $arch_path + }, + }, + \'PERL5LIB', + ), + PATH => _env_list_value( + { + exists => 0, + filter => sub { $_ ne $bin_path }, + }, + \'PATH', + ), + ); + + # If removing ourselves from the "top of the stack", set install paths to + # correspond with the new top of stack. + if ($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=${new_top}" : undef; + } + + return %env; +} + +sub build_deact_all_environment_vars_for { + my ($class, $path, $interpolate) = @_; + + my @active_lls = $class->active_paths; + + 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, + ) } @active_lls; + + my %env = ( + PERL_LOCAL_LIB_ROOT => undef, + PERL_MM_OPT => undef, + PERL_MB_OPT => undef, + PERL5LIB => _env_list_value( + { + exists => 0, + filter => sub { + ! scalar grep { exists $perl_paths{$_} } $_[0] + }, + }, + \'PERL5LIB' + ), + PATH => _env_list_value( + { + exists => 0, + filter => sub { + ! scalar grep { exists $bin_paths{$_} } $_[0] + }, + }, + \'PATH' + ), + ); + + return %env; +} + =begin testing #:: test classmethod @@ -375,10 +547,10 @@ $c->ensure_dir_structure_for('t/var/splat'); ok(-d 't/var/splat'); -ok(-f 't/var/splat/.modulebuildrc'); - =end testing +=encoding utf8 + =head1 NAME local::lib - create and use a local lib/ for perl modules with PERL5LIB @@ -397,25 +569,31 @@ In code - From the shell - - # Install LWP and it's missing dependencies to the 'my_lwp' directory - perl -MCPAN -Mlocal::lib=my_lwp -e 'CPAN::install(LWP)' - - # Install LWP and *all non-core* dependencies to the 'my_lwp' directory - perl -MCPAN -Mlocal::lib=--self-contained,my_lwp -e 'CPAN::install(LWP)' + # Install LWP and its missing dependencies to the '~/perl5' directory + perl -MCPAN -Mlocal::lib -e 'CPAN::install(LWP)' # Just print out useful shell commands $ perl -Mlocal::lib - export MODULEBUILDRC=/home/username/perl/.modulebuildrc - export PERL_MM_OPT='INSTALL_BASE=/home/username/perl' - export PERL5LIB='/home/username/perl/lib/perl5:/home/username/perl/lib/perl5/i386-linux' - export PATH="/home/username/perl/bin:$PATH" + export PERL_MB_OPT='--install_base /home/username/perl5' + export PERL_MM_OPT='INSTALL_BASE=/home/username/perl5' + export PERL5LIB='/home/username/perl5/lib/perl5/i386-linux:/home/username/perl5/lib/perl5' + export PATH="/home/username/perl5/bin:$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 +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. + +By default local::lib installs itself and the CPAN modules into ~/perl5. + +Windows users must also see L. 1. Download and unpack the local::lib tarball from CPAN (search for "Download" on the CPAN page about local::lib). Do this as an ordinary user, not as root @@ -429,12 +607,19 @@ convenient location. If the system asks you whether it should automatically configure as much as possible, you would typically answer yes. -3. Run this: +In order to install local::lib into a directory other than the default, you need +to specify the name of the directory when you call bootstrap, as follows: + + perl Makefile.PL --bootstrap=~/foo + +3. Run this: (local::lib assumes you have make installed on your system) make test && make install -4. Arrange for Perl to use your own packages instead of the system -packages. If you are using bash, you can do this as follows: +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: echo 'eval $(perl -I$HOME/perl5/lib/perl5 -Mlocal::lib)' >>~/.bashrc @@ -445,17 +630,14 @@ If you are using C shell, you can do this as follows: /bin/csh perl -I$HOME/perl5/lib/perl5 -Mlocal::lib >> ~/.cshrc -You can also pass --bootstrap=~/foo to get a different location - - - perl Makefile.PL --bootstrap=~/foo - make test && make install +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 C<. -~/.bashrc> for this, whereas C shells use C. Replace .bashrc or -.cshrc with the name of the file you wrote above with the echo command. +changed settings into your current shell's environment. Bourne shells use +C<. ~/.bashrc> for this, whereas C shells use C. If you're on a slower machine, or are operating under draconian disk space limitations, you can disable the automatic generation of manpages from POD when @@ -463,17 +645,35 @@ installing modules by using the C<--no-manpages> argument when bootstrapping: perl Makefile.PL --bootstrap --no-manpages -If you want to install multiple Perl module environments, say for application evelopment, -install local::lib globally and then: +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 perl -Mlocal::lib=./ eval $(perl -Mlocal::lib=./) ### To set the environment for this shell alone - printenv ### You will see that ~/mydir1 is in the PERL5LIB + printenv ### You will see that ~/mydir1 is in the PERL5LIB perl -MCPAN -e install ... ### whatever modules you want cd ../mydir2 ... REPEAT ... +If you are working with several C environments, you may want to +remove some of them from the current environment without disturbing the others. +You can deactivate one environment like this (using bourne sh): + + eval $(perl -Mlocal::lib=--deactivate,~/path) + +which will generate and run the commands needed to remove C<~/path> from your +various search paths. Whichever environment was B will +remain the target for module installations. That is, if you activate +C<~/path_A> and then you activate C<~/path_B>, new modules you install will go +in C<~/path_B>. If you deactivate C<~/path_B> then modules will be installed +into C<~/pathA> -- but if you deactivate C<~/path_A> then they will still be +installed in C<~/pathB> because pathB was activated later. + +You can also ask C to clean itself completely out of the current +shell's environment with the C<--deactivate-all> option. For multiple environments for multiple apps you may need to include a modified version of the C<< use FindBin >> instructions in the "In code" sample above. If you did something like the above, you have a set of Perl modules at C<< @@ -492,22 +692,25 @@ Put this before any BEGIN { ... } blocks that require the modules you installed. =head2 Differences when using this module under Win32 +To set up the proper environment variables for your current session of +C, you can use this: + C:\>perl -Mlocal::lib - set MODULEBUILDRC=C:\DOCUME~1\ADMINI~1\perl5\.modulebuildrc + 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 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%\temp.bat + ### 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 want the environment entries to persist, you'll need to add then to the -Control Panel's System applet yourself at the moment. +Control Panel's System applet yourself or use L. The "~" is translated to the user's profile directory (the directory named for the user under "Documents and Settings" (Windows XP or earlier) or "Users" -(Windows Vista or later) unless $ENV{HOME} exists. After that, the home +(Windows Vista or later)) unless $ENV{HOME} exists. After that, the home directory is translated to a short name (which means the directory must exist) and the subdirectories are created. @@ -553,7 +756,7 @@ values: =over 4 -=item MODULEBUILDRC +=item PERL_MB_OPT =item PERL_MM_OPT @@ -569,31 +772,35 @@ These values are then available for reference by any code after import. =head1 CREATING A SELF-CONTAINED SET OF MODULES -You can use local::lib to prepare a directory which contains a module and all -of its non-core dependencies. The C<--self-contained> option ignores any -globally installed modules when resolving dependencies, only considering -modules installed in a "local::lib" directory or provided by core Perl. +See L for one way to do this - but note that +there are a number of caveats, and the best approach is always to perform a +build against a clean perl (i.e. site and vendor as close to empty as possible). + +=head1 OPTIONS + +Options are values that can be passed to the C import besides the +directory to use. They are specified as C +or C. -A use-case for this feature would be to prepare to deploy a whole "stack" of -module dependencies on a new machine, even if you have copies of the same -dependencies installed globally already. +=head2 --deactivate -The C<--self-contained> option should be used like this: +Remove the chosen path (or the default path) from the module search paths if it +was added by C, instead of adding it. - # Install LWP and *all non-core* dependencies to the 'my_lwp' directory - perl -MCPAN -Mlocal::lib=--self-contained,my_lwp -e 'CPAN::install(LWP)' +=head2 --deactivate-all -Note that some dependencies may involve C-based "XS" code even if your target -module doesn't. The issue of dealing with XS vs Pure Perl code is beyond the scope -of what local::lib provides. +Remove all directories that were added to search paths by C from the +search paths. =head1 METHODS -=head2 ensure_directory_structure_for +=head2 ensure_dir_structure_for =over 4 -=item Arguments: path +=item Arguments: $path + +=item Return value: None =back @@ -604,29 +811,61 @@ an exception on failure. =over 4 -=item Arguments: path +=item Arguments: $path + +=item Return value: None =back Prints to standard output the variables listed above, properly set to use the given path as the base directory. +=head2 build_environment_vars_for + +=over 4 + +=item Arguments: $path, $interpolate + +=item Return value: \%environment_vars + +=back + +Returns a hash with the variables listed above, properly set to use the +given path as the base directory. + =head2 setup_env_hash_for =over 4 -=item Arguments: path +=item Arguments: $path + +=item Return value: None =back Constructs the C<%ENV> keys for the given path, by calling -C. +L. + +=head2 active_paths + +=over 4 + +=item Arguments: None + +=item Return value: @paths + +=back + +Returns a list of active C paths, according to the +C environment variable. =head2 install_base_perl_path =over 4 -=item Arguments: path +=item Arguments: $path + +=item Return value: $install_base_perl_path =back @@ -638,7 +877,9 @@ path. =over 4 -=item Arguments: path +=item Arguments: $path + +=item Return value: $install_base_arch_path =back @@ -651,7 +892,9 @@ C<$Config{archname}>. =over 4 -=item Arguments: path +=item Arguments: $path + +=item Return value: $install_base_bin_path =back @@ -659,22 +902,13 @@ Returns a path describing where to install the executable programs for this local library installation. Based on the L method's return value, and appends the directory C. -=head2 modulebuildrc_path - -=over 4 - -=item Arguments: path - -=back - -Returns a path describing where to install the C<.modulebuildrc> file, based on -the given path. - =head2 resolve_empty_path =over 4 -=item Arguments: path +=item Arguments: $path + +=item Return value: $base_path =back @@ -685,7 +919,9 @@ installation. Defaults to C<~/perl5>. =over 4 -=item Arguments: path +=item Arguments: $path + +=item Return value: $home_path =back @@ -696,7 +932,9 @@ for this purpose. If no definite answer is available, throws an exception. =over 4 -=item Arguments: path +=item Arguments: $path + +=item Return value: $absolute_path =back @@ -706,7 +944,9 @@ Translates the given path into an absolute path. =over 4 -=item Arguments: path +=item Arguments: $path + +=item Return value: $absolute_path =back @@ -731,6 +971,12 @@ install UNINST=1" and local::lib if you understand these possible consequences. =head1 LIMITATIONS +The perl toolchain is unable to handle directory names with spaces in it, +so you can't 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 you +installed all modules inside your local::lib bootstrap. But be aware that you +can't update or install CPAN modules after the move. + 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 environment variable is @@ -739,7 +985,7 @@ 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. -Kills any existing PERL5LIB, PERL_MM_OPT or MODULEBUILDRC. +Kills any existing PERL5LIB, PERL_MM_OPT or PERL_MB_OPT. Should probably auto-fixup CPAN config if not already done. @@ -779,6 +1025,20 @@ On Win32 systems, C is also examined. =back +=head1 SEE ALSO + +=over 4 + +=item * L + +=back + +=head1 SUPPORT + +IRC: + + Join #local-lib on irc.perl.org. + =head1 AUTHOR Matt S Trout http://www.shadowcat.co.uk/ @@ -790,12 +1050,8 @@ auto_install fixes kindly sponsored by http://www.takkle.com/ Patches to correctly output commands for csh style shells, as well as some documentation additions, contributed by Christopher Nehren . -'--self-contained' feature contributed by Mark Stosberg . - -Ability to pass '--self-contained' without a directory inspired by frew on -irc.perl.org/#catalyst. - -Doc patches for a custom local::lib directory contributed by Torsten Raudssus +Doc patches for a custom local::lib directory, more cleanups in the english +documentation and a L contributed by Torsten Raudssus . Hans Dieter Pearcey sent in some additional tests for ensuring @@ -812,9 +1068,23 @@ Patch to add Win32 support contributed by Curtis Jewell . Warnings for missing PATH/PERL5LIB (as when not running interactively) silenced by a patch from Marco Emilio Poleggi. +Mark Stosberg provided the code for the now deleted +'--self-contained' option. + +Documentation patches to make win32 usage clearer by +David Mertens (run4flat). + +Brazilian L and minor doc patches contributed by Breno +G. de Oliveira . + +Improvements to stacking multiple local::lib dirs and removing them from the +environment later on contributed by Andrew Rodland . + +Patch for Carp version mismatch contributed by Hakim Cassimally . + =head1 COPYRIGHT -Copyright (c) 2007 - 2009 the local::lib L and L as +Copyright (c) 2007 - 2010 the local::lib L and L as listed above. =head1 LICENSE