IkiWiki/Plugin/tla.pm

   1 #!/usr/bin/perl
   2 package IkiWiki::Plugin::tla;
   3
   4 use warnings;
   5 use strict;
   6 use IkiWiki;
   7
   8 sub import {
   9         hook(type => "checkconfig", id => "tla", call => \&checkconfig);
  10         hook(type => "getsetup", id => "tla", call => \&getsetup);
  11         hook(type => "rcs", id => "rcs_update", call => \&rcs_update);
  12         hook(type => "rcs", id => "rcs_prepedit", call => \&rcs_prepedit);
  13         hook(type => "rcs", id => "rcs_commit", call => \&rcs_commit);
  14         hook(type => "rcs", id => "rcs_commit_staged", call => \&rcs_commit_staged);
  15         hook(type => "rcs", id => "rcs_add", call => \&rcs_add);
  16         hook(type => "rcs", id => "rcs_remove", call => \&rcs_remove);
  17         hook(type => "rcs", id => "rcs_rename", call => \&rcs_rename);
  18         hook(type => "rcs", id => "rcs_recentchanges", call => \&rcs_recentchanges);
  19         hook(type => "rcs", id => "rcs_diff", call => \&rcs_diff);
  20         hook(type => "rcs", id => "rcs_getctime", call => \&rcs_getctime);
  21         hook(type => "rcs", id => "rcs_getmtime", call => \&rcs_getmtime);
  22 }
  23
  24 sub checkconfig () {
  25         if (defined $config{tla_wrapper} && length $config{tla_wrapper}) {
  26                 push @{$config{wrappers}}, {
  27                         wrapper => $config{tla_wrapper},
  28                         wrappermode => (defined $config{tla_wrappermode} ? $config{tla_wrappermode} : "06755"),
  29                 };
  30         }
  31 }
  32
  33 sub getsetup () {
  34         return
  35                 plugin => {
  36                         safe => 0, # rcs plugin
  37                         rebuild => undef,
  38                         section => "rcs",
  39                 },
  40                 tla_wrapper => {
  41                         type => "string",
  42                         #example => "", # TODO example
  43                         description => "tla post-commit hook to generate",
  44                         safe => 0, # file
  45                         rebuild => 0,
  46                 },
  47                 tla_wrappermode => {
  48                         type => "string",
  49                         example => '06755',
  50                         description => "mode for tla_wrapper (can safely be made suid)",
  51                         safe => 0,
  52                         rebuild => 0,
  53                 },
  54                 historyurl => {
  55                         type => "string",
  56                         #example => "", # TODO example
  57                         description => "url to show file history ([[file]] substituted)",
  58                         safe => 1,
  59                         rebuild => 1,
  60                 },
  61                 diffurl => {
  62                         type => "string",
  63                         #example => "", # TODO example
  64                         description => "url to show a diff ([[file]] and [[rev]] substituted)",
  65                         safe => 1,
  66                         rebuild => 1,
  67                 },
  68 }
  69
  70 sub quiet_system (@) {
  71         # See Debian bug #385939.
  72         open (SAVEOUT, ">&STDOUT");
  73         close STDOUT;
  74         open (STDOUT, ">/dev/null");
  75         my $ret=system(@_);
  76         close STDOUT;
  77         open (STDOUT, ">&SAVEOUT");
  78         close SAVEOUT;
  79         return $ret;
  80 }
  81
  82 sub rcs_update () {
  83         if (-d "$config{srcdir}/{arch}") {
  84                 if (quiet_system("tla", "replay", "-d", $config{srcdir}) != 0) {
  85                         warn("tla replay failed\n");
  86                 }
  87         }
  88 }
  89
  90 sub rcs_prepedit ($) {
  91         my $file=shift;
  92
  93         if (-d "$config{srcdir}/{arch}") {
  94                 # For Arch, return the tree-id of archive when
  95                 # editing begins.
  96                 my $rev=`tla tree-id $config{srcdir}`;
  97                 return defined $rev ? $rev : "";
  98         }
  99 }
 100
 101 sub rcs_commit (@) {
 102         my %params=@_;
 103
 104         my ($file, $message, $rcstoken)=
 105                 ($params{file}, $params{message}, $params{token});
 106
 107         if (defined $params{session}) {
 108                 if (defined $params{session}->param("name")) {
 109                         $message="web commit by ".
 110                                 $params{session}->param("name").
 111                                 (length $message ? ": $message" : "");
 112                 }
 113                 elsif (defined $params{session}->remote_addr()) {
 114                         $message="web commit from ".
 115                                 $params{session}->remote_addr().
 116                                 (length $message ? ": $message" : "");
 117                 }
 118         }
 119
 120         if (-d "$config{srcdir}/{arch}") {
 121                 # Check to see if the page has been changed by someone
 122                 # else since rcs_prepedit was called.
 123                 my ($oldrev)=$rcstoken=~/^([A-Za-z0-9@\/._-]+)$/; # untaint
 124                 my $rev=`tla tree-id $config{srcdir}`;
 125                 if (defined $rev && defined $oldrev && $rev ne $oldrev) {
 126                         # Merge their changes into the file that we've
 127                         # changed.
 128                         if (quiet_system("tla", "update", "-d",
 129                                    "$config{srcdir}") != 0) {
 130                                 warn("tla update failed\n");
 131                         }
 132                 }
 133
 134                 if (quiet_system("tla", "commit",
 135                            "-L".IkiWiki::possibly_foolish_untaint($message),
 136                            '-d', $config{srcdir}) != 0) {
 137                         my $conflict=readfile("$config{srcdir}/$file");
 138                         if (system("tla", "undo", "-n", "--quiet", "-d", "$config{srcdir}") != 0) {
 139                                 warn("tla undo failed\n");
 140                         }
 141                         return $conflict;
 142                 }
 143         }
 144         return undef # success
 145 }
 146
 147 sub rcs_commit_staged (@) {
 148         # Commits all staged changes. Changes can be staged using rcs_add,
 149         # rcs_remove, and rcs_rename.
 150         my %params=@_;
 151
 152         error("rcs_commit_staged not implemented for tla"); # TODO
 153 }
 154
 155 sub rcs_add ($) {
 156         my $file=shift;
 157
 158         if (-d "$config{srcdir}/{arch}") {
 159                 if (quiet_system("tla", "add", "$config{srcdir}/$file") != 0) {
 160                         warn("tla add failed\n");
 161                 }
 162         }
 163 }
 164
 165 sub rcs_remove ($) {
 166         my $file = shift;
 167
 168         error("rcs_remove not implemented for tla"); # TODO
 169 }
 170
 171 sub rcs_rename ($$) {
 172         my ($src, $dest) = @_;
 173
 174         error("rcs_rename not implemented for tla"); # TODO
 175 }
 176
 177 sub rcs_recentchanges ($) {
 178         my $num=shift;
 179         my @ret;
 180
 181         return unless -d "$config{srcdir}/{arch}";
 182
 183         eval q{use Date::Parse};
 184         error($@) if $@;
 185         eval q{use Mail::Header};
 186         error($@) if $@;
 187
 188         my $logs = `tla logs -d $config{srcdir}`;
 189         my @changesets = reverse split(/\n/, $logs);
 190
 191         for (my $i=0; $i<$num && $i<$#changesets; $i++) {
 192                 my ($change)=$changesets[$i]=~/^([A-Za-z0-9@\/._-]+)$/; # untaint
 193
 194                 open(LOG, "tla cat-log -d $config{srcdir} $change|");
 195                 my $head = Mail::Header->new(\*LOG);
 196                 close(LOG);
 197
 198                 my $rev = $head->get("Revision");
 199                 my $summ = $head->get("Summary");
 200                 my $newfiles = $head->get("New-files");
 201                 my $modfiles = $head->get("Modified-files");
 202                 my $remfiles = $head->get("Removed-files");
 203                 my $user = $head->get("Creator");
 204
 205                 my @paths = grep { !/^(.*\/)?\.arch-ids\/.*\.id$/ }
 206                         split(/ /, "$newfiles $modfiles .arch-ids/fake.id");
 207
 208                 my $sdate = $head->get("Standard-date");
 209                 my $when = str2time($sdate, 'UTC');
 210
 211                 my $committype = "web";
 212                 if (defined $summ && $summ =~ /$config{web_commit_regexp}/) {
 213                         $user = defined $2 ? "$2" : "$3";
 214                         $summ = $4;
 215                 }
 216                 else {
 217                         $committype="tla";
 218                 }
 219
 220                 my @message;
 221                 push @message, { line => $summ };
 222
 223                 my @pages;
 224
 225                 foreach my $file (@paths) {
 226                         my $diffurl=defined $config{diffurl} ? $config{diffurl} : "";
 227                         $diffurl=~s/\[\[file\]\]/$file/g;
 228                         $diffurl=~s/\[\[rev\]\]/$change/g;
 229                         push @pages, {
 230                                 page => pagename($file),
 231                                 diffurl => $diffurl,
 232                         } if length $file;
 233                 }
 234                 push @ret, {
 235                         rev => $change,
 236                         user => $user,
 237                         committype => $committype,
 238                         when => $when,
 239                         message => [@message],
 240                         pages => [@pages],
 241                 } if @pages;
 242
 243                 last if $i == $num;
 244         }
 245
 246         return @ret;
 247 }
 248
 249 sub rcs_diff ($) {
 250         my $rev=shift;
 251         my $logs = `tla logs -d $config{srcdir}`;
 252         my @changesets = reverse split(/\n/, $logs);
 253         my $i;
 254
 255         for($i=0;$i<$#changesets;$i++) {
 256                 last if $changesets[$i] eq $rev;
 257         }
 258
 259         my $revminusone = $changesets[$i+1];
 260         return `tla diff -d $config{srcdir} $revminusone`;
 261 }
 262
 263 sub rcs_getctime ($) {
 264         my $file=shift;
 265         eval q{use Date::Parse};
 266         error($@) if $@;
 267         eval q{use Mail::Header};
 268         error($@) if $@;
 269
 270         my $logs = `tla logs -d $config{srcdir}`;
 271         my @changesets = reverse split(/\n/, $logs);
 272         my $sdate;
 273
 274         for (my $i=0; $i<$#changesets; $i++) {
 275                 my $change = $changesets[$i];
 276
 277                 open(LOG, "tla cat-log -d $config{srcdir} $change|");
 278                 my $head = Mail::Header->new(\*LOG);
 279                 close(LOG);
 280
 281                 $sdate = $head->get("Standard-date");
 282                 my $newfiles = $head->get("New-files");
 283
 284                 my ($lastcreation) = grep {/^$file$/} split(/ /, "$newfiles");
 285                 last if defined($lastcreation);
 286         }
 287
 288         my $date=str2time($sdate, 'UTC');
 289         debug("found ctime ".localtime($date)." for $file");
 290         return $date;
 291 }
 292
 293 sub rcs_getmtime ($) {
 294         error "rcs_getmtime is not implemented for tla\n"; # TODO
 295 }
 296
 297 1