6 use Date::Parse qw(str2time);
7 use Date::Format qw(time2str);
11 my $sha1_pattern = qr/[0-9a-fA-F]{40}/; # pattern to validate sha1sums
13 sub check_config() { #{{{
14 if (!defined($config{mtnrootdir})) {
15 $config{mtnrootdir} = $config{srcdir};
17 if (! -d "$config{mtnrootdir}/_MTN") {
18 error("Ikiwiki srcdir does not seem to be a Monotone workspace (or set the mtnrootdir)!");
22 or error("Cannot chdir to $config{srcdir}: $!");
24 my $child = open(MTN, "-|");
26 open STDERR, ">/dev/null";
27 exec("mtn", "version") || error("mtn version failed to run");
32 if (/^monotone (\d+\.\d+) /) {
37 close MTN || debug("mtn version exited $?");
39 if (!defined($version)) {
40 error("Cannot determine monotone version");
42 if ($version < 0.38) {
43 error("Monotone version too old, is $version but required 0.38");
48 my $sha1 = `mtn --root=$config{mtnrootdir} automate get_base_revision_id`;
50 ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
52 debug("Unable to get base revision for '$config{srcdir}'.")
58 sub get_rev_auto ($) { #{{{
61 my @results = $automator->call("get_base_revision_id");
63 my $sha1 = $results[0];
64 ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
66 debug("Unable to get base revision for '$config{srcdir}'.")
72 sub mtn_merge ($$$$) { #{{{
80 my $child = open(MTNMERGE, "-|");
82 open STDERR, ">&STDOUT";
83 exec("mtn", "--root=$config{mtnrootdir}",
84 "explicit_merge", $leftRev, $rightRev,
85 $branch, "--author", $author, "--key",
86 $config{mtnkey}) || error("mtn merge failed to run");
90 if (/^mtn.\s.merged.\s($sha1_pattern)$/) {
95 close MTNMERGE || return undef;
97 debug("merged $leftRev, $rightRev to make $mergeRev");
102 sub commit_file_to_new_rev($$$$$$$$) { #{{{
104 my $wsfilename=shift;
106 my $newFileContents=shift;
113 my ($out, $err) = $automator->call("put_file", $oldFileID, $newFileContents);
114 my ($newFileID) = ($out =~ m/^($sha1_pattern)$/);
115 error("Failed to store file data for $wsfilename in repository")
116 if (! defined $newFileID || length $newFileID != 40);
118 # get the mtn filename rather than the workspace filename
119 ($out, $err) = $automator->call("get_corresponding_path", $oldrev, $wsfilename, $oldrev);
120 my ($filename) = ($out =~ m/^file "(.*)"$/);
121 error("Couldn't find monotone repository path for file $wsfilename") if (! $filename);
122 debug("Converted ws filename of $wsfilename to repos filename of $filename");
124 # then stick in a new revision for this file
125 my $manifest = "format_version \"1\"\n\n".
126 "new_manifest [0000000000000000000000000000000000000000]\n\n".
127 "old_revision [$oldrev]\n\n".
128 "patch \"$filename\"\n".
129 " from [$oldFileID]\n".
130 " to [$newFileID]\n";
131 ($out, $err) = $automator->call("put_revision", $manifest);
132 my ($newRevID) = ($out =~ m/^($sha1_pattern)$/);
133 error("Unable to make new monotone repository revision")
134 if (! defined $newRevID || length $newRevID != 40);
135 debug("put revision: $newRevID");
137 # now we need to add certs for this revision...
138 # author, branch, changelog, date
139 $automator->call("cert", $newRevID, "author", $author);
140 $automator->call("cert", $newRevID, "branch", $branch);
141 $automator->call("cert", $newRevID, "changelog", $message);
142 $automator->call("cert", $newRevID, "date",
143 time2str("%Y-%m-%dT%T", time, "UTC"));
145 debug("Added certs for rev: $newRevID");
149 sub read_certs ($$) { #{{{
152 my @results = $automator->call("certs", $rev);
155 my $line = $results[0];
156 while ($line =~ m/\s+key\s"(.*?)"\nsignature\s"(ok|bad|unknown)"\n\s+name\s"(.*?)"\n\s+value\s"(.*?)"\n\s+trust\s"(trusted|untrusted)"\n/sg) {
169 sub get_changed_files ($$) { #{{{
173 my @results = $automator->call("get_revision", $rev);
174 my $changes=$results[0];
179 while ($changes =~ m/\s*(add_file|patch|delete|rename)\s"(.*?)(?<!\\)"\n/sg) {
181 # don't add the same file multiple times
182 if (! $seen{$file}) {
191 sub rcs_update () { #{{{
194 if (defined($config{mtnsync}) && $config{mtnsync}) {
195 if (system("mtn", "--root=$config{mtnrootdir}", "sync",
196 "--quiet", "--ticker=none",
197 "--key", $config{mtnkey}) != 0) {
198 debug("monotone sync failed before update");
202 if (system("mtn", "--root=$config{mtnrootdir}", "update", "--quiet") != 0) {
203 debug("monotone update failed");
207 sub rcs_prepedit ($) { #{{{
212 # For monotone, return the revision of the file when
217 sub rcs_commit ($$$;$$) { #{{{
218 # Tries to commit the page; returns undef on _success_ and
219 # a version of the page with the rcs's conflict markers on failure.
220 # The file is relative to the srcdir.
229 $author="Web user: " . $user;
231 elsif (defined $ipaddr) {
232 $author="Web IP: " . $ipaddr;
235 $author="Web: Anonymous";
240 my ($oldrev)= $rcstoken=~ m/^($sha1_pattern)$/; # untaint
242 if (defined $rev && defined $oldrev && $rev ne $oldrev) {
243 my $automator = Monotone->new();
244 $automator->open_args("--root", $config{mtnrootdir}, "--key", $config{mtnkey});
246 # Something has been committed, has this file changed?
248 $automator->setOpts("r", $oldrev, "r", $rev);
249 ($out, $err) = $automator->call("content_diff", $file);
250 debug("Problem committing $file") if ($err ne "");
254 # Commit a revision with just this file changed off
257 # first get the contents
258 debug("File changed: forming branch");
259 my $newfile=readfile("$config{srcdir}/$file");
261 # then get the old content ID from the diff
262 if ($diff !~ m/^---\s$file\s+($sha1_pattern)$/m) {
263 error("Unable to find previous file ID for $file");
267 # get the branch we're working in
268 ($out, $err) = $automator->call("get_option", "branch");
270 error("Illegal branch name in monotone workspace") if ($out !~ m/^([-\@\w\.]+)$/);
273 # then put the new content into the DB (and record the new content ID)
274 my $newRevID = commit_file_to_new_rev($automator, $file, $oldFileID, $newfile, $oldrev, $branch, $author, $message);
278 # if we made it to here then the file has been committed... revert the local copy
279 if (system("mtn", "--root=$config{mtnrootdir}", "revert", $file) != 0) {
280 debug("Unable to revert $file after merge on conflicted commit!");
282 debug("Divergence created! Attempting auto-merge.");
284 # see if it will merge cleanly
285 $ENV{MTN_MERGE}="fail";
286 my $mergeResult = mtn_merge($newRevID, $rev, $branch, $author);
289 # push any changes so far
290 if (defined($config{mtnsync}) && $config{mtnsync}) {
291 if (system("mtn", "--root=$config{mtnrootdir}", "push", "--quiet", "--ticker=none", "--key", $config{mtnkey}) != 0) {
292 debug("monotone push failed");
296 if (defined($mergeResult)) {
297 # everything is merged - bring outselves up to date
298 if (system("mtn", "--root=$config{mtnrootdir}",
299 "update", "-r", $mergeResult) != 0) {
300 debug("Unable to update to rev $mergeResult after merge on conflicted commit!");
304 debug("Auto-merge failed. Using diff-merge to add conflict markers.");
306 $ENV{MTN_MERGE}="diffutils";
307 $ENV{MTN_MERGE_DIFFUTILS}="partial=true";
308 $mergeResult = mtn_merge($newRevID, $rev, $branch, $author);
310 $ENV{MTN_MERGE_DIFFUTILS}="";
312 if (!defined($mergeResult)) {
313 debug("Unable to insert conflict markers!");
314 error("Your commit succeeded. Unfortunately, someone else committed something to the same ".
315 "part of the wiki at the same time. Both versions are stored in the monotone repository, ".
316 "but at present the different versions cannot be reconciled through the web interface. ".
317 "Please use the non-web interface to resolve the conflicts.");
320 if (system("mtn", "--root=$config{mtnrootdir}",
321 "update", "-r", $mergeResult) != 0) {
322 debug("Unable to update to rev $mergeResult after conflict-enhanced merge on conflicted commit!");
325 # return "conflict enhanced" file to the user
326 # for cleanup note, this relies on the fact
327 # that ikiwiki seems to call rcs_prepedit()
328 # again after we return
329 return readfile("$config{srcdir}/$file");
336 # If we reached here then the file we're looking at hasn't changed
337 # since $oldrev. Commit it.
339 if (system("mtn", "--root=$config{mtnrootdir}", "commit", "--quiet",
340 "--author", $author, "--key", $config{mtnkey}, "-m",
341 possibly_foolish_untaint($message), $file) != 0) {
342 debug("Traditional commit failed! Returning data as conflict.");
343 my $conflict=readfile("$config{srcdir}/$file");
344 if (system("mtn", "--root=$config{mtnrootdir}", "revert",
345 "--quiet", $file) != 0) {
346 debug("monotone revert failed");
350 if (defined($config{mtnsync}) && $config{mtnsync}) {
351 if (system("mtn", "--root=$config{mtnrootdir}", "push",
352 "--quiet", "--ticker=none", "--key",
353 $config{mtnkey}) != 0) {
354 debug("monotone push failed");
358 return undef # success
361 sub rcs_add ($) { #{{{
366 if (system("mtn", "--root=$config{mtnrootdir}", "add", "--quiet",
368 error("Monotone add failed");
372 sub rcs_recentchanges ($) { #{{{
378 # use log --brief to get a list of revs, as this
379 # gives the results in a nice order
380 # (otherwise we'd have to do our own date sorting)
384 my $child = open(MTNLOG, "-|");
386 exec("mtn", "log", "--root=$config{mtnrootdir}", "--no-graph",
387 "--brief") || error("mtn log failed to run");
390 while (($num >= 0) and (my $line = <MTNLOG>)) {
391 if ($line =~ m/^($sha1_pattern)/) {
396 close MTNLOG || debug("mtn log exited $?");
398 my $automator = Monotone->new();
399 $automator->open(undef, $config{mtnrootdir});
402 my $rev = shift @revs;
403 # first go through and figure out the messages, etc
405 my $certs = [read_certs($automator, $rev)];
410 my (@pages, @message);
412 foreach my $cert (@$certs) {
413 if ($cert->{signature} eq "ok" &&
414 $cert->{trust} eq "trusted") {
415 if ($cert->{name} eq "author") {
416 $user = $cert->{value};
417 # detect the source of the commit
419 if ($cert->{key} eq $config{mtnkey}) {
422 $committype = "monotone";
424 } elsif ($cert->{name} eq "date") {
425 $when = str2time($cert->{value}, 'UTC');
426 } elsif ($cert->{name} eq "changelog") {
427 my $messageText = $cert->{value};
428 # split the changelog into multiple
430 foreach my $msgline (split(/\n/, $messageText)) {
431 push @message, { line => $msgline };
437 my @changed_files = get_changed_files($automator, $rev);
440 my ($out, $err) = $automator->call("parents", $rev);
441 my @parents = ($out =~ m/^($sha1_pattern)$/);
442 my $parent = $parents[0];
444 foreach $file (@changed_files) {
445 next unless length $file;
447 if (defined $config{diffurl} and (@parents == 1)) {
448 my $diffurl=$config{diffurl};
449 $diffurl=~s/\[\[r1\]\]/$parent/g;
450 $diffurl=~s/\[\[r2\]\]/$rev/g;
451 $diffurl=~s/\[\[file\]\]/$file/g;
453 page => pagename($file),
459 page => pagename($file),
467 committype => $committype,
469 message => [@message],
479 sub rcs_diff ($) { #{{{
483 sub rcs_getctime ($) { #{{{
488 my $child = open(MTNLOG, "-|");
490 exec("mtn", "log", "--root=$config{mtnrootdir}", "--no-graph",
491 "--brief", $file) || error("mtn log $file failed to run");
496 if (/^($sha1_pattern)/) {
500 close MTNLOG || debug("mtn log $file exited $?");
502 if (! defined $firstRev) {
503 debug "failed to parse mtn log for $file";
507 my $automator = Monotone->new();
508 $automator->open(undef, $config{mtnrootdir});
510 my $certs = [read_certs($automator, $firstRev)];
516 foreach my $cert (@$certs) {
517 if ($cert->{signature} eq "ok" && $cert->{trust} eq "trusted") {
518 if ($cert->{name} eq "date") {
519 $date = $cert->{value};
524 if (! defined $date) {
525 debug "failed to find date cert for revision $firstRev when looking for creation time of $file";
529 $date=str2time($date, 'UTC');
530 debug("found ctime ".localtime($date)." for $file");