| 1 | # |
| 2 | # Maintainers.pm - show information about maintainers |
| 3 | # |
| 4 | |
| 5 | package Maintainers; |
| 6 | |
| 7 | use strict; |
| 8 | |
| 9 | use lib "Porting"; |
| 10 | |
| 11 | require "Maintainers.pl"; |
| 12 | use vars qw(%Modules %Maintainers); |
| 13 | |
| 14 | use vars qw(@ISA @EXPORT_OK); |
| 15 | @ISA = qw(Exporter); |
| 16 | @EXPORT_OK = qw(%Modules %Maintainers |
| 17 | get_module_files get_module_pat |
| 18 | show_results process_options); |
| 19 | require Exporter; |
| 20 | |
| 21 | use File::Find; |
| 22 | use Getopt::Long; |
| 23 | |
| 24 | my %MANIFEST; |
| 25 | if (open(MANIFEST, "MANIFEST")) { |
| 26 | while (<MANIFEST>) { |
| 27 | if (/^(\S+)\t+(.+)$/) { |
| 28 | $MANIFEST{$1}++; |
| 29 | } |
| 30 | } |
| 31 | close MANIFEST; |
| 32 | } else { |
| 33 | die "$0: Failed to open MANIFEST for reading: $!\n"; |
| 34 | } |
| 35 | |
| 36 | sub get_module_pat { |
| 37 | my $m = shift; |
| 38 | split ' ', $Modules{$m}{FILES}; |
| 39 | } |
| 40 | |
| 41 | sub get_module_files { |
| 42 | my $m = shift; |
| 43 | sort { lc $a cmp lc $b } |
| 44 | map { |
| 45 | -f $_ ? # Files as-is. |
| 46 | $_ : |
| 47 | -d _ ? # Recurse into directories. |
| 48 | do { |
| 49 | my @files; |
| 50 | find( |
| 51 | sub { |
| 52 | push @files, $File::Find::name |
| 53 | if -f $_ && exists $MANIFEST{$File::Find::name}; |
| 54 | }, $_); |
| 55 | @files; |
| 56 | } |
| 57 | : glob($_) # The rest are globbable patterns. |
| 58 | } get_module_pat($m); |
| 59 | } |
| 60 | |
| 61 | sub get_maintainer_modules { |
| 62 | my $m = shift; |
| 63 | sort { lc $a cmp lc $b } |
| 64 | grep { $Modules{$_}{MAINTAINER} eq $m } |
| 65 | keys %Modules; |
| 66 | } |
| 67 | |
| 68 | sub usage { |
| 69 | print <<__EOF__; |
| 70 | $0: Usage: $0 [[--maintainer M --module M --files --check]|file ...] |
| 71 | --maintainer M list all maintainers matching M |
| 72 | --module M list all modules matching M |
| 73 | --files list all files |
| 74 | --check check consistency of Maintainers.pl |
| 75 | Matching is case-ignoring regexp, author matching is both by |
| 76 | the short id and by the full name and email. A "module" may |
| 77 | not be just a module, it may be a file or files or a subdirectory. |
| 78 | The options may be abbreviated to their unique prefixes |
| 79 | __EOF__ |
| 80 | exit(0); |
| 81 | } |
| 82 | |
| 83 | my $Maintainer; |
| 84 | my $Module; |
| 85 | my $Files; |
| 86 | my $Check; |
| 87 | |
| 88 | sub process_options { |
| 89 | usage() |
| 90 | unless |
| 91 | GetOptions( |
| 92 | 'maintainer=s' => \$Maintainer, |
| 93 | 'module=s' => \$Module, |
| 94 | 'files' => \$Files, |
| 95 | 'check' => \$Check, |
| 96 | ); |
| 97 | |
| 98 | my @Files = @ARGV; |
| 99 | |
| 100 | usage() if @Files && ($Maintainer || $Module || $Files); |
| 101 | |
| 102 | for my $mean ($Maintainer, $Module) { |
| 103 | warn "$0: Did you mean '$0 $mean'?\n" |
| 104 | if $mean && -e $mean && $mean ne '.' && !$Files; |
| 105 | } |
| 106 | |
| 107 | warn "$0: Did you mean '$0 -mo $Maintainer'?\n" |
| 108 | if defined $Maintainer && exists $Modules{$Maintainer}; |
| 109 | |
| 110 | warn "$0: Did you mean '$0 -ma $Module'?\n" |
| 111 | if defined $Module && exists $Maintainers{$Module}; |
| 112 | |
| 113 | return ($Maintainer, $Module, $Files, @Files); |
| 114 | } |
| 115 | |
| 116 | sub show_results { |
| 117 | my ($Maintainer, $Module, $Files, @Files) = @_; |
| 118 | |
| 119 | if ($Maintainer) { |
| 120 | for my $m (sort keys %Maintainers) { |
| 121 | if ($m =~ /$Maintainer/io || $Maintainers{$m} =~ /$Maintainer/io) { |
| 122 | my @modules = get_maintainer_modules($m); |
| 123 | if ($Module) { |
| 124 | @modules = grep { /$Module/io } @modules; |
| 125 | } |
| 126 | if ($Files) { |
| 127 | my @files; |
| 128 | for my $module (@modules) { |
| 129 | push @files, get_module_files($module); |
| 130 | } |
| 131 | printf "%-15s @files\n", $m; |
| 132 | } else { |
| 133 | if ($Module) { |
| 134 | printf "%-15s @modules\n", $m; |
| 135 | } else { |
| 136 | printf "%-15s $Maintainers{$m}\n", $m; |
| 137 | } |
| 138 | } |
| 139 | } |
| 140 | } |
| 141 | } elsif ($Module) { |
| 142 | for my $m (sort { lc $a cmp lc $b } keys %Modules) { |
| 143 | if ($m =~ /$Module/io) { |
| 144 | if ($Files) { |
| 145 | my @files = get_module_files($m); |
| 146 | printf "%-15s @files\n", $m; |
| 147 | } else { |
| 148 | printf "%-15s $Modules{$m}{MAINTAINER}\n", $m; |
| 149 | } |
| 150 | } |
| 151 | } |
| 152 | } elsif (@Files) { |
| 153 | my %ModuleByFile; |
| 154 | |
| 155 | for (@Files) { s:^\./:: } |
| 156 | |
| 157 | @ModuleByFile{@Files} = (); |
| 158 | |
| 159 | # First try fast match. |
| 160 | |
| 161 | my %ModuleByPat; |
| 162 | for my $module (keys %Modules) { |
| 163 | for my $pat (get_module_pat($module)) { |
| 164 | $ModuleByPat{$pat} = $module; |
| 165 | } |
| 166 | } |
| 167 | # Expand any globs. |
| 168 | my %ExpModuleByPat; |
| 169 | for my $pat (keys %ModuleByPat) { |
| 170 | if (-e $pat) { |
| 171 | $ExpModuleByPat{$pat} = $ModuleByPat{$pat}; |
| 172 | } else { |
| 173 | for my $exp (glob($pat)) { |
| 174 | $ExpModuleByPat{$exp} = $ModuleByPat{$pat}; |
| 175 | } |
| 176 | } |
| 177 | } |
| 178 | %ModuleByPat = %ExpModuleByPat; |
| 179 | for my $file (@Files) { |
| 180 | $ModuleByFile{$file} = $ModuleByPat{$file} |
| 181 | if exists $ModuleByPat{$file}; |
| 182 | } |
| 183 | |
| 184 | # If still unresolved files... |
| 185 | if (my @ToDo = grep { !defined $ModuleByFile{$_} } keys %ModuleByFile) { |
| 186 | |
| 187 | # Cannot match what isn't there. |
| 188 | @ToDo = grep { -e $_ } @ToDo; |
| 189 | |
| 190 | if (@ToDo) { |
| 191 | # Try prefix matching. |
| 192 | |
| 193 | # Remove trailing slashes. |
| 194 | for (@ToDo) { s|/$|| } |
| 195 | |
| 196 | my %ToDo; |
| 197 | @ToDo{@ToDo} = (); |
| 198 | |
| 199 | for my $pat (keys %ModuleByPat) { |
| 200 | last unless keys %ToDo; |
| 201 | if (-d $pat) { |
| 202 | my @Done; |
| 203 | for my $file (keys %ToDo) { |
| 204 | if ($file =~ m|^$pat|i) { |
| 205 | $ModuleByFile{$file} = $ModuleByPat{$pat}; |
| 206 | push @Done, $file; |
| 207 | } |
| 208 | } |
| 209 | delete @ToDo{@Done}; |
| 210 | } |
| 211 | } |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | for my $file (@Files) { |
| 216 | if (defined $ModuleByFile{$file}) { |
| 217 | my $module = $ModuleByFile{$file}; |
| 218 | my $maintainer = $Modules{$ModuleByFile{$file}}{MAINTAINER}; |
| 219 | printf "%-15s $module $maintainer $Maintainers{$maintainer}\n", $file; |
| 220 | } else { |
| 221 | printf "%-15s ?\n", $file; |
| 222 | } |
| 223 | } |
| 224 | } |
| 225 | elsif ($Check) { |
| 226 | duplicated_maintainers(); |
| 227 | } |
| 228 | else { |
| 229 | usage(); |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | sub duplicated_maintainers { |
| 234 | my %files; |
| 235 | for my $k (keys %Modules) { |
| 236 | for my $f (get_module_files($k)) { |
| 237 | ++$files{$f}; |
| 238 | } |
| 239 | } |
| 240 | for my $f (keys %files) { |
| 241 | if ($files{$f} > 1) { |
| 242 | warn "File $f appears $files{$f} times in Maintainers.pl\n"; |
| 243 | } |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | 1; |
| 248 | |