use Carp ();
use Config;
-our $VERSION = '1.006007'; # 1.6.7
+our $VERSION = '1.008001'; # 1.8.1
-our @KNOWN_FLAGS = qw(--self-contained);
+our @KNOWN_FLAGS = qw(--self-contained --deactivate);
sub import {
my ($class, @args) = @_;
}
$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}, $arg_store{deactivate} || 0);
for (@INC) { # Untaint @INC
next if ref; # Skip entry if it is an ARRAY, CODE, blessed, etc.
=cut
sub setup_local_lib_for {
- my ($class, $path) = @_;
- $path = $class->ensure_dir_structure_for($path);
+ my ($class, $path, $deactivating) = @_;
+ $path = $class->ensure_dir_structure_for($path) unless $deactivating;
if ($0 eq '-') {
- $class->print_environment_vars_for($path);
+ $class->print_environment_vars_for($path, $deactivating);
exit 0;
} else {
- $class->setup_env_hash_for($path);
+ $class->setup_env_hash_for($path, $deactivating);
@INC = _uniq(split($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');
# 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 $path;
}
sub INTERPOLATE_ENV () { 1 }
sub LITERAL_ENV () { 0 }
-sub print_environment_vars_for {
- my ($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'});
}
};
}
+ return $shelltype;
+}
+
+sub print_environment_vars_for {
+ my ($class, $path, $deactivating) = @_;
+ print $class->environment_vars_string_for($path, $deactivating);
+}
+
+sub environment_vars_string_for {
+ my ($class, $path, $deactivating) = @_;
+ my @envs = $class->build_environment_vars_for($path, $deactivating, 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.
+
+ 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
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) {
+ return $class->build_deactivate_environment_vars_for($path, $interpolate);
+ } else {
+ return $class->build_activate_environment_vars_for($path, $interpolate);
+ }
+}
+
+sub build_activate_environment_vars_for {
my ($class, $path, $interpolate) = @_;
return (
- MODULEBUILDRC => $class->modulebuildrc_path($path),
+ PERL_LOCAL_LIB_ROOT => join($Config{path_sep},
+ (($ENV{PERL_LOCAL_LIB_ROOT}||()) ?
+ ($interpolate == INTERPOLATE_ENV
+ ? ($ENV{PERL_LOCAL_LIB_ROOT}||())
+ : (($^O ne 'MSWin32') ? '$PERL_LOCAL_LIB_ROOT'
+ : '%PERL_LOCAL_LIB_ROOT%' ))
+ : ()),
+ $path
+ ),
+ PERL_MB_OPT => "--install_base ${path}",
PERL_MM_OPT => "INSTALL_BASE=${path}",
PERL5LIB => join($Config{path_sep},
$class->install_base_arch_path($path),
)
}
+sub build_deactivate_environment_vars_for {
+ my ($class, $path, $interpolate) = @_;
+
+ my @active_lls = split /\Q$Config{path_sep}/, $ENV{PERL_LOCAL_LIB_ROOT} || '';
+
+ if (!grep { $_ eq $path } @active_lls) {
+ warn "Tried to deactivate inactive local::lib '$path'\n";
+ return ();
+ }
+
+ my @new_ll_root = grep { $_ ne $path } @active_lls;
+ my @new_perl5lib = grep {
+ $_ ne $class->install_base_arch_path($path) &&
+ $_ ne $class->install_base_perl_path($path)
+ } split /\Q$Config{path_sep}/, $ENV{PERL5LIB};
+
+ my %env = (
+ PERL_LOCAL_LIB_ROOT => (@new_ll_root ?
+ join($Config{path_sep}, @new_ll_root) : undef
+ ),
+ PERL5LIB => (@new_perl5lib ?
+ join($Config{path_sep}, @new_perl5lib) : undef
+ ),
+ PATH => join($Config{path_sep},
+ grep { $_ ne $class->install_base_bin_path($path) }
+ split /\Q$Config{path_sep}/, $ENV{PATH}
+ ),
+ );
+
+ # If removing ourselves from the "top of the stack", set install paths to
+ # correspond with the new top of stack.
+ if ($active_lls[-1] eq $path) {
+ if (@active_lls > 1) {
+ my $new_top = $active_lls[-2];
+ %env = (%env,
+ PERL_MB_OPT => "--install_base ${new_top}",
+ PERL_MM_OPT => "INSTALL_BASE=${new_top}",
+ );
+ } else {
+ %env = (%env,
+ PERL_MB_OPT => undef,
+ PERL_MM_OPT => undef,
+ );
+ }
+ }
+
+ return %env;
+}
+
=begin testing
#:: test classmethod
ok(-d 't/var/splat');
-ok(-f 't/var/splat/.modulebuildrc');
-
=end testing
=encoding utf8
# 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
C<CMD.exe>, 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%
=over 4
-=item MODULEBUILDRC
+=item PERL_MB_OPT
=item PERL_MM_OPT
local library installation. Based on the L</install_base_perl_path> method's
return value, and appends the directory C<bin>.
-=head2 modulebuildrc_path
-
-=over 4
-
-=item Arguments: $path
-
-=item Return value: $modulebuildrc_path
-
-=back
-
-Returns a path describing where to install the C<.modulebuildrc> file, based on
-the given path.
-
=head2 resolve_empty_path
=over 4
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.
projects / p5sagit/local-lib.git / blobdiff