+++ /dev/null
-#!/usr/bin/perl
-
-package IkiWiki;
-
-use warnings;
-use strict;
-use IkiWiki;
-use Monotone;
-use Date::Parse qw(str2time);
-use Date::Format qw(time2str);
-
-my $sha1_pattern = qr/[0-9a-fA-F]{40}/; # pattern to validate sha1sums
-
-sub check_config() { #{{{
- if (!defined($config{mtnrootdir})) {
- $config{mtnrootdir} = $config{srcdir};
- }
- if (! -d "$config{mtnrootdir}/_MTN") {
- error("Ikiwiki srcdir does not seem to be a Monotone workspace (or set the mtnrootdir)!");
- }
-
- chdir $config{srcdir}
- or error("Cannot chdir to $config{srcdir}: $!");
-
- my $child = open(MTN, "-|");
- if (! $child) {
- open STDERR, ">/dev/null";
- exec("mtn", "version") || error("mtn version failed to run");
- }
-
- my $version=undef;
- while (<MTN>) {
- if (/^monotone (\d+\.\d+) /) {
- $version=$1;
- }
- }
-
- close MTN || debug("mtn version exited $?");
-
- if (!defined($version)) {
- error("Cannot determine monotone version");
- }
- if ($version < 0.38) {
- error("Monotone version too old, is $version but required 0.38");
- }
-} #}}}
-
-sub get_rev () { #{{{
- my $sha1 = `mtn --root=$config{mtnrootdir} automate get_base_revision_id`;
-
- ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
- if (! $sha1) {
- debug("Unable to get base revision for '$config{srcdir}'.")
- }
-
- return $sha1;
-} #}}}
-
-sub get_rev_auto ($) { #{{{
- my $automator=shift;
-
- my @results = $automator->call("get_base_revision_id");
-
- my $sha1 = $results[0];
- ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
- if (! $sha1) {
- debug("Unable to get base revision for '$config{srcdir}'.")
- }
-
- return $sha1;
-} #}}}
-
-sub mtn_merge ($$$$) { #{{{
- my $leftRev=shift;
- my $rightRev=shift;
- my $branch=shift;
- my $author=shift;
-
- my $mergeRev;
-
- my $child = open(MTNMERGE, "-|");
- if (! $child) {
- open STDERR, ">&STDOUT";
- exec("mtn", "--root=$config{mtnrootdir}",
- "explicit_merge", $leftRev, $rightRev,
- $branch, "--author", $author, "--key",
- $config{mtnkey}) || error("mtn merge failed to run");
- }
-
- while (<MTNMERGE>) {
- if (/^mtn.\s.merged.\s($sha1_pattern)$/) {
- $mergeRev=$1;
- }
- }
-
- close MTNMERGE || return undef;
-
- debug("merged $leftRev, $rightRev to make $mergeRev");
-
- return $mergeRev;
-} #}}}
-
-sub commit_file_to_new_rev($$$$$$$$) { #{{{
- my $automator=shift;
- my $wsfilename=shift;
- my $oldFileID=shift;
- my $newFileContents=shift;
- my $oldrev=shift;
- my $branch=shift;
- my $author=shift;
- my $message=shift;
-
- #store the file
- my ($out, $err) = $automator->call("put_file", $oldFileID, $newFileContents);
- my ($newFileID) = ($out =~ m/^($sha1_pattern)$/);
- error("Failed to store file data for $wsfilename in repository")
- if (! defined $newFileID || length $newFileID != 40);
-
- # get the mtn filename rather than the workspace filename
- ($out, $err) = $automator->call("get_corresponding_path", $oldrev, $wsfilename, $oldrev);
- my ($filename) = ($out =~ m/^file "(.*)"$/);
- error("Couldn't find monotone repository path for file $wsfilename") if (! $filename);
- debug("Converted ws filename of $wsfilename to repos filename of $filename");
-
- # then stick in a new revision for this file
- my $manifest = "format_version \"1\"\n\n".
- "new_manifest [0000000000000000000000000000000000000000]\n\n".
- "old_revision [$oldrev]\n\n".
- "patch \"$filename\"\n".
- " from [$oldFileID]\n".
- " to [$newFileID]\n";
- ($out, $err) = $automator->call("put_revision", $manifest);
- my ($newRevID) = ($out =~ m/^($sha1_pattern)$/);
- error("Unable to make new monotone repository revision")
- if (! defined $newRevID || length $newRevID != 40);
- debug("put revision: $newRevID");
-
- # now we need to add certs for this revision...
- # author, branch, changelog, date
- $automator->call("cert", $newRevID, "author", $author);
- $automator->call("cert", $newRevID, "branch", $branch);
- $automator->call("cert", $newRevID, "changelog", $message);
- $automator->call("cert", $newRevID, "date",
- time2str("%Y-%m-%dT%T", time, "UTC"));
-
- debug("Added certs for rev: $newRevID");
- return $newRevID;
-} #}}}
-
-sub read_certs ($$) { #{{{
- my $automator=shift;
- my $rev=shift;
- my @results = $automator->call("certs", $rev);
- my @ret;
-
- my $line = $results[0];
- while ($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) {
- push @ret, {
- key => $1,
- signature => $2,
- name => $3,
- value => $4,
- trust => $5,
- };
- }
-
- return @ret;
-} #}}}
-
-sub get_changed_files ($$) { #{{{
- my $automator=shift;
- my $rev=shift;
-
- my @results = $automator->call("get_revision", $rev);
- my $changes=$results[0];
-
- my @ret;
- my %seen = ();
-
- while ($changes =~ m/\s*(add_file|patch|delete|rename)\s"(.*?)(?<!\\)"\n/sg) {
- my $file = $2;
- # don't add the same file multiple times
- if (! $seen{$file}) {
- push @ret, $file;
- $seen{$file} = 1;
- }
- }
-
- return @ret;
-} #}}}
-
-sub rcs_update () { #{{{
- check_config();
-
- if (defined($config{mtnsync}) && $config{mtnsync}) {
- if (system("mtn", "--root=$config{mtnrootdir}", "sync",
- "--quiet", "--ticker=none",
- "--key", $config{mtnkey}) != 0) {
- debug("monotone sync failed before update");
- }
- }
-
- if (system("mtn", "--root=$config{mtnrootdir}", "update", "--quiet") != 0) {
- debug("monotone update failed");
- }
-} #}}}
-
-sub rcs_prepedit ($) { #{{{
- my $file=shift;
-
- check_config();
-
- # For monotone, return the revision of the file when
- # editing begins.
- return get_rev();
-} #}}}
-
-sub rcs_commit ($$$;$$) { #{{{
- # Tries to commit the page; returns undef on _success_ and
- # a version of the page with the rcs's conflict markers on failure.
- # The file is relative to the srcdir.
- my $file=shift;
- my $message=shift;
- my $rcstoken=shift;
- my $user=shift;
- my $ipaddr=shift;
- my $author;
-
- if (defined $user) {
- $author="Web user: " . $user;
- }
- elsif (defined $ipaddr) {
- $author="Web IP: " . $ipaddr;
- }
- else {
- $author="Web: Anonymous";
- }
-
- check_config();
-
- my ($oldrev)= $rcstoken=~ m/^($sha1_pattern)$/; # untaint
- my $rev = get_rev();
- if (defined $rev && defined $oldrev && $rev ne $oldrev) {
- my $automator = Monotone->new();
- $automator->open_args("--root", $config{mtnrootdir}, "--key", $config{mtnkey});
-
- # Something has been committed, has this file changed?
- my ($out, $err);
- $automator->setOpts("r", $oldrev, "r", $rev);
- ($out, $err) = $automator->call("content_diff", $file);
- debug("Problem committing $file") if ($err ne "");
- my $diff = $out;
-
- if ($diff) {
- # Commit a revision with just this file changed off
- # the old revision.
- #
- # first get the contents
- debug("File changed: forming branch");
- my $newfile=readfile("$config{srcdir}/$file");
-
- # then get the old content ID from the diff
- if ($diff !~ m/^---\s$file\s+($sha1_pattern)$/m) {
- error("Unable to find previous file ID for $file");
- }
- my $oldFileID = $1;
-
- # get the branch we're working in
- ($out, $err) = $automator->call("get_option", "branch");
- chomp $out;
- error("Illegal branch name in monotone workspace") if ($out !~ m/^([-\@\w\.]+)$/);
- my $branch = $1;
-
- # then put the new content into the DB (and record the new content ID)
- my $newRevID = commit_file_to_new_rev($automator, $file, $oldFileID, $newfile, $oldrev, $branch, $author, $message);
-
- $automator->close();
-
- # if we made it to here then the file has been committed... revert the local copy
- if (system("mtn", "--root=$config{mtnrootdir}", "revert", $file) != 0) {
- debug("Unable to revert $file after merge on conflicted commit!");
- }
- debug("Divergence created! Attempting auto-merge.");
-
- # see if it will merge cleanly
- $ENV{MTN_MERGE}="fail";
- my $mergeResult = mtn_merge($newRevID, $rev, $branch, $author);
- $ENV{MTN_MERGE}="";
-
- # push any changes so far
- if (defined($config{mtnsync}) && $config{mtnsync}) {
- if (system("mtn", "--root=$config{mtnrootdir}", "push", "--quiet", "--ticker=none", "--key", $config{mtnkey}) != 0) {
- debug("monotone push failed");
- }
- }
-
- if (defined($mergeResult)) {
- # everything is merged - bring outselves up to date
- if (system("mtn", "--root=$config{mtnrootdir}",
- "update", "-r", $mergeResult) != 0) {
- debug("Unable to update to rev $mergeResult after merge on conflicted commit!");
- }
- }
- else {
- debug("Auto-merge failed. Using diff-merge to add conflict markers.");
-
- $ENV{MTN_MERGE}="diffutils";
- $ENV{MTN_MERGE_DIFFUTILS}="partial=true";
- $mergeResult = mtn_merge($newRevID, $rev, $branch, $author);
- $ENV{MTN_MERGE}="";
- $ENV{MTN_MERGE_DIFFUTILS}="";
-
- if (!defined($mergeResult)) {
- debug("Unable to insert conflict markers!");
- error("Your commit succeeded. Unfortunately, someone else committed something to the same ".
- "part of the wiki at the same time. Both versions are stored in the monotone repository, ".
- "but at present the different versions cannot be reconciled through the web interface. ".
- "Please use the non-web interface to resolve the conflicts.");
- }
-
- if (system("mtn", "--root=$config{mtnrootdir}",
- "update", "-r", $mergeResult) != 0) {
- debug("Unable to update to rev $mergeResult after conflict-enhanced merge on conflicted commit!");
- }
-
- # return "conflict enhanced" file to the user
- # for cleanup note, this relies on the fact
- # that ikiwiki seems to call rcs_prepedit()
- # again after we return
- return readfile("$config{srcdir}/$file");
- }
- return undef;
- }
- $automator->close();
- }
-
- # If we reached here then the file we're looking at hasn't changed
- # since $oldrev. Commit it.
-
- if (system("mtn", "--root=$config{mtnrootdir}", "commit", "--quiet",
- "--author", $author, "--key", $config{mtnkey}, "-m",
- possibly_foolish_untaint($message), $file) != 0) {
- debug("Traditional commit failed! Returning data as conflict.");
- my $conflict=readfile("$config{srcdir}/$file");
- if (system("mtn", "--root=$config{mtnrootdir}", "revert",
- "--quiet", $file) != 0) {
- debug("monotone revert failed");
- }
- return $conflict;
- }
- if (defined($config{mtnsync}) && $config{mtnsync}) {
- if (system("mtn", "--root=$config{mtnrootdir}", "push",
- "--quiet", "--ticker=none", "--key",
- $config{mtnkey}) != 0) {
- debug("monotone push failed");
- }
- }
-
- return undef # success
-} #}}}
-
-sub rcs_add ($) { #{{{
- my $file=shift;
-
- check_config();
-
- if (system("mtn", "--root=$config{mtnrootdir}", "add", "--quiet",
- $file) != 0) {
- error("Monotone add failed");
- }
-} #}}}
-
-sub rcs_remove ($) { # {{{
- my $file = shift;
-
- error("rcs_remove not implemented for monotone"); # TODO
-} #}}}
-
-sub rcs_recentchanges ($) { #{{{
- my $num=shift;
- my @ret;
-
- check_config();
-
- # use log --brief to get a list of revs, as this
- # gives the results in a nice order
- # (otherwise we'd have to do our own date sorting)
-
- my @revs;
-
- my $child = open(MTNLOG, "-|");
- if (! $child) {
- exec("mtn", "log", "--root=$config{mtnrootdir}", "--no-graph",
- "--brief") || error("mtn log failed to run");
- }
-
- while (($num >= 0) and (my $line = <MTNLOG>)) {
- if ($line =~ m/^($sha1_pattern)/) {
- push @revs, $1;
- $num -= 1;
- }
- }
- close MTNLOG || debug("mtn log exited $?");
-
- my $automator = Monotone->new();
- $automator->open(undef, $config{mtnrootdir});
-
- while (@revs != 0) {
- my $rev = shift @revs;
- # first go through and figure out the messages, etc
-
- my $certs = [read_certs($automator, $rev)];
-
- my $user;
- my $when;
- my $committype;
- my (@pages, @message);
-
- foreach my $cert (@$certs) {
- if ($cert->{signature} eq "ok" &&
- $cert->{trust} eq "trusted") {
- if ($cert->{name} eq "author") {
- $user = $cert->{value};
- # detect the source of the commit
- # from the changelog
- if ($cert->{key} eq $config{mtnkey}) {
- $committype = "web";
- } else {
- $committype = "monotone";
- }
- } elsif ($cert->{name} eq "date") {
- $when = str2time($cert->{value}, 'UTC');
- } elsif ($cert->{name} eq "changelog") {
- my $messageText = $cert->{value};
- # split the changelog into multiple
- # lines
- foreach my $msgline (split(/\n/, $messageText)) {
- push @message, { line => $msgline };
- }
- }
- }
- }
-
- my @changed_files = get_changed_files($automator, $rev);
- my $file;
-
- my ($out, $err) = $automator->call("parents", $rev);
- my @parents = ($out =~ m/^($sha1_pattern)$/);
- my $parent = $parents[0];
-
- foreach $file (@changed_files) {
- next unless length $file;
-
- if (defined $config{diffurl} and (@parents == 1)) {
- my $diffurl=$config{diffurl};
- $diffurl=~s/\[\[r1\]\]/$parent/g;
- $diffurl=~s/\[\[r2\]\]/$rev/g;
- $diffurl=~s/\[\[file\]\]/$file/g;
- push @pages, {
- page => pagename($file),
- diffurl => $diffurl,
- };
- }
- else {
- push @pages, {
- page => pagename($file),
- }
- }
- }
-
- push @ret, {
- rev => $rev,
- user => $user,
- committype => $committype,
- when => $when,
- message => [@message],
- pages => [@pages],
- } if @pages;
- }
-
- $automator->close();
-
- return @ret;
-} #}}}
-
-sub rcs_diff ($) { #{{{
- # TODO
-} #}}}
-
-sub rcs_getctime ($) { #{{{
- my $file=shift;
-
- check_config();
-
- my $child = open(MTNLOG, "-|");
- if (! $child) {
- exec("mtn", "log", "--root=$config{mtnrootdir}", "--no-graph",
- "--brief", $file) || error("mtn log $file failed to run");
- }
-
- my $firstRev;
- while (<MTNLOG>) {
- if (/^($sha1_pattern)/) {
- $firstRev=$1;
- }
- }
- close MTNLOG || debug("mtn log $file exited $?");
-
- if (! defined $firstRev) {
- debug "failed to parse mtn log for $file";
- return 0;
- }
-
- my $automator = Monotone->new();
- $automator->open(undef, $config{mtnrootdir});
-
- my $certs = [read_certs($automator, $firstRev)];
-
- $automator->close();
-
- my $date;
-
- foreach my $cert (@$certs) {
- if ($cert->{signature} eq "ok" && $cert->{trust} eq "trusted") {
- if ($cert->{name} eq "date") {
- $date = $cert->{value};
- }
- }
- }
-
- if (! defined $date) {
- debug "failed to find date cert for revision $firstRev when looking for creation time of $file";
- return 0;
- }
-
- $date=str2time($date, 'UTC');
- debug("found ctime ".localtime($date)." for $file");
- return $date;
-} #}}}
-
-1