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#!/usr/bin/env perl
#
# Script taken from InspIRCd, www.inspircd.org
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
BEGIN { require 5.8.0; }
use strict;
use warnings FATAL => qw(all);
use File::Copy ();
use Cwd;
sub list_extras ();
sub enable_extras (@);
sub disable_extras (@);
# Routine to list out the extra/ modules that have been enabled.
# Note: when getting any filenames out and comparing, it's important to lc it if the
# file system is not case-sensitive (== Epoc, MacOS, OS/2 (incl DOS/DJGPP), VMS, Win32
# (incl NetWare, Symbian)). Cygwin may or may not be case-sensitive, depending on
# configuration, however, File::Spec does not currently tell us (it assumes Unix behavior).
sub list_extras () {
use File::Spec;
# @_ not used
my $srcdir = File::Spec->catdir("modules");
my $abs_srcdir = File::Spec->rel2abs($srcdir);
local $_;
my $dd;
opendir $dd, File::Spec->catdir($abs_srcdir, "extra") or die (File::Spec->catdir($abs_srcdir, "extra") . ": $!\n");
my @extras = map { File::Spec->case_tolerant() ? lc($_) : $_ } (readdir($dd));
closedir $dd;
undef $dd;
opendir $dd, $abs_srcdir or die "$abs_srcdir: $!\n";
my @sources = map { File::Spec->case_tolerant() ? lc($_) : $_ } (readdir($dd));
closedir $dd;
undef $dd;
my $maxlen = (sort { $b <=> $a } (map {length($_)} (@extras)))[0];
my %extras = ();
EXTRA: for my $extra (@extras) {
next if (File::Spec->curdir() eq $extra || File::Spec->updir() eq $extra);
my $abs_extra = File::Spec->catfile($abs_srcdir, "extra", $extra);
my $abs_source = File::Spec->catfile($abs_srcdir, $extra);
next unless ($extra =~ m/\.(cpp|h)$/ || (-d $abs_extra)); # C++ Source/Header, or directory
if (-l $abs_source) {
# Symlink, is it in the right place?
my $targ = readlink($abs_source);
my $abs_targ = File::Spec->rel2abs($targ, $abs_srcdir);
if ($abs_targ eq $abs_extra) {
$extras{$extra} = "\e[32;1menabled\e[0m";
} else {
$extras{$extra} = sprintf("\e[31;1mwrong symlink target (%s)\e[0m", $abs_targ);
}
} elsif (-e $abs_source) {
my ($devext, $inoext) = stat($abs_extra);
my ($devsrc, $inosrc, undef, $lnksrc) = stat($abs_source);
if ($lnksrc > 1) {
if ($devsrc == $devext && $inosrc == $inoext) {
$extras{$extra} = "\e[32;1menabled\e[0m";
} else {
$extras{$extra} = sprintf("\e[31;1mwrong hardlink target (%d:%d)\e[0m", $devsrc, $inosrc);
}
} else {
open my $extfd, "<", $abs_extra;
open my $srcfd, "<", $abs_source;
local $/ = undef;
if (scalar(<$extfd>) eq scalar(<$srcfd>)) {
$extras{$extra} = "\e[32;1menabled\e[0m";
} else {
$extras{$extra} = sprintf("\e[31;1mout of synch (re-copy)\e[0m");
}
}
} else {
$extras{$extra} = "\e[33;1mdisabled\e[0m";
}
}
for my $extra (sort {$a cmp $b} keys(%extras)) {
my $text = $extras{$extra};
if ($text =~ m/needed by/ && $text !~ m/enabled/) {
printf "\e[31;1;5m%-*s = %s%s\e[0m\n", $maxlen, $extra, $text, ($text =~ m/needed by/ ? ")" : "");
} else {
printf "%-*s = %s%s\n", $maxlen, $extra, $text, ($text =~ m/needed by/ ? "\e[0m)" : "");
}
}
return keys(%extras) if wantarray; # Can be used by manage_extras.
}
sub enable_extras (@) {
my (@extras) = @_;
for my $extra (@extras) {
my $extrapath = "modules/extra/$extra";
if (!-e $extrapath) {
print STDERR "Cannot enable \e[32;1m$extra\e[0m : No such file or directory in modules/extra\n";
next;
}
my $source = "modules/$extra";
if (-e $source) {
print STDERR "Cannot enable \e[32;1m$extra\e[0m : destination in modules exists (might already be enabled?)\n";
next;
}
print "Enabling $extra ... \n";
symlink "extra/$extra", $source or print STDERR "$source: Cannot link to 'extra/$extra': $!\n";
}
}
sub disable_extras (@)
{
opendir my $dd, "modules/extra/";
my @files = readdir($dd);
closedir $dd;
my (@extras) = @_;
EXTRA: for my $extra (@extras) {
my $extrapath = "modules/extra/$extra";
my $source = "modules/$extra";
if (!-e $extrapath) {
print STDERR "Cannot disable \e[32;1m$extra\e[0m : Is not an extra\n";
next;
}
if ((! -l $source) || readlink($source) ne "extra/$extra") {
print STDERR "Cannot disable \e[32;1m$extra\e[0m : Source is not a link or doesn't refer to the right file. Remove manually if this is in error.\n";
next;
}
# Now remove.
print "Disabling $extra ... \n";
unlink "modules/$extra" or print STDERR "Cannot disable \e[32;1m$extra\e[0m : $!\n";
}
}
my $clearscreen = `clear`;
print $clearscreen;
while (1)
{
list_extras; # print the module list
print "\nPlease enter the name of the module or type 'q' to quit.: ";
my $input = <STDIN>;
chop($input); # remove the trailing \n from the user input
if ($input eq "q") {
if (-e "build/CMakeFiles") {
system("cmake", "build/.");
print "\nNow cd build, then run make to build Anope.\n\n";
} else {
print "\nBuild directory not found. You should run ./Config now.\n\n"
}
exit 0;
}
print $clearscreen;
if ($input eq "") {
next;
}
if (-e "modules/$input") {
disable_extras($input)
} else {
enable_extras($input)
}
}
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