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|
#!/usr/bin/perl -w
#
# Modules - show information about modules and their maintainers
#
use strict;
use FindBin qw($Bin);
require "$Bin/Modules.pl";
use vars qw(%Modules %Maintainers);
use Getopt::Long;
use File::Find;
sub usage {
print <<__EOF__;
$0: Usage: $0 [[--maintainer M --module M --files]|file ...]
$0 --maintainer M list all maintainers matching M
$0 --module M list all modules matching M
$0 --files list all files of the module
Matching is case-ignoring regexp, author matching is both by
the short id and by the full name and email.
$0 file ... list the module and maintainer
__EOF__
exit(0);
}
my $Maintainer;
my $Module;
my $Files;
usage()
unless
GetOptions(
'maintainer=s' => \$Maintainer,
'module=s' => \$Module,
'files' => \$Files,
);
my @Files = @ARGV;
usage() if @Files && ($Maintainer || $Module || $Files);
for my $mean ($Maintainer, $Module) {
warn "$0: Did you mean '$0 $mean'?\n"
if $mean && -e $mean && $mean ne '.';
}
warn "$0: Did you mean '$0 -mo $Maintainer'?\n"
if defined $Maintainer && exists $Modules{$Maintainer};
warn "$0: Did you mean '$0 -ma $Module'?\n"
if defined $Module && exists $Maintainers{$Module};
sub get_module_pat {
my $m = shift;
split ' ', $Modules{$m}{FILES};
}
sub get_module_files {
my $m = shift;
sort { lc $a cmp lc $b }
map {
-f $_ ? # Files as-is.
$_ :
-d _ ? # Recurse into directories.
do {
my @files;
find(
sub {
push @files, $File::Find::name
if -f $_;
}, $_);
@files;
}
: glob($_) # The rest are globbable patterns.
} get_module_pat($m);
}
sub get_maintainer_modules {
my $m = shift;
sort { lc $a cmp lc $b }
grep { $Modules{$_}{MAINTAINER} eq $m }
keys %Modules;
}
if ($Maintainer) {
for my $m (sort keys %Maintainers) {
if ($m =~ /$Maintainer/io) {
my @modules = get_maintainer_modules($m);
if ($Module) {
@modules = grep { /$Module/io } @modules;
}
if ($Files) {
my @files;
for my $module (@modules) {
push @files, get_module_files($module);
}
printf "%-15s @files\n", $m;
} else {
if ($Module) {
printf "%-15s @modules\n", $m;
} else {
printf "%-15s $Maintainers{$m}\n", $m;
}
}
}
}
} elsif ($Module) {
for my $m (sort { lc $a cmp lc $b } keys %Modules) {
if ($m =~ /$Module/io) {
if ($Files) {
my @files = get_module_files($m);
printf "%-15s @files\n", $m;
} else {
printf "%-15s $Modules{$m}{MAINTAINER}\n", $m;
}
}
}
} elsif (@Files) {
my %ModuleByFile;
for (@Files) { s:^\./:: }
@ModuleByFile{@Files} = ();
# First try fast match.
my %ModuleByPat;
for my $module (keys %Modules) {
for my $pat (get_module_pat($module)) {
$ModuleByPat{$pat} = $module;
}
}
# Expand any globs.
my %ExpModuleByPat;
for my $pat (keys %ModuleByPat) {
if (-e $pat) {
$ExpModuleByPat{$pat} = $ModuleByPat{$pat};
} else {
for my $exp (glob($pat)) {
$ExpModuleByPat{$exp} = $ModuleByPat{$pat};
}
}
}
%ModuleByPat = %ExpModuleByPat;
for my $file (@Files) {
$ModuleByFile{$file} = $ModuleByPat{$file}
if exists $ModuleByPat{$file};
}
# If still unresolved files..
if (my @ToDo = grep { !defined $ModuleByFile{$_} } keys %ModuleByFile) {
# Cannot match what isn't there.
@ToDo = grep { -e $_ } @ToDo;
if (@ToDo) {
# Try prefix matching.
# Remove trailing slashes.
for (@ToDo) { s|/$|| }
my %ToDo;
@ToDo{@ToDo} = ();
for my $pat (keys %ModuleByPat) {
last unless keys %ToDo;
if (-d $pat) {
my @Done;
for my $file (keys %ToDo) {
if ($file =~ m|^$pat|i) {
$ModuleByFile{$file} = $ModuleByPat{$pat};
push @Done, $file;
}
}
delete @ToDo{@Done};
}
}
}
}
for my $file (@Files) {
if (defined $ModuleByFile{$file}) {
my $module = $ModuleByFile{$file};
my $maintainer = $Modules{$ModuleByFile{$file}}{MAINTAINER};
printf "%-15s $module $maintainer $Maintainers{$maintainer}\n", $file;
} else {
printf "%-15s ?\n", $file;
}
}
}
else {
usage();
}
|
