X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/62a4ea821dc02bf2f48fbd822f409de35eb68ced..14cd75746a2c73b50548b6fdb3583d536b6ef9bd:/IkiWiki/Rcs/monotone.pm diff --git a/IkiWiki/Rcs/monotone.pm b/IkiWiki/Rcs/monotone.pm deleted file mode 100644 index 4709dc04f..000000000 --- a/IkiWiki/Rcs/monotone.pm +++ /dev/null @@ -1,626 +0,0 @@ -#!/usr/bin/perl -use warnings; -use strict; -use IkiWiki; -use Monotone; -use Date::Parse qw(str2time); -use Date::Format qw(time2str); - -package IkiWiki; - -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)!"); - } - - if (!defined($config{mtnmergerc})) { - $config{mtnmergerc} = "$config{mtnrootdir}/_MTN/mergerc"; - } - - chdir $config{srcdir} - or error("Cannot chdir to $config{srcdir}: $!"); -} - -sub get_rev () { - my $sha1 = `mtn --root=$config{mtnrootdir} automate get_base_revision_id`; - - ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now - if (! $sha1) { - warn("Unable to get base revision for '$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 (! $sha1) { - warn("Unable to get base revision for '$config{srcdir}'.") - } - - return $sha1; -} - -sub mtn_merge ($$$$$) { - my $leftRev=shift; - my $rightRev=shift; - my $branch=shift; - my $author=shift; - my $message=shift; # ignored for the moment because mtn doesn't support it - - my $mergeRev; - - my $mergerc = $config{mtnmergerc}; - - my $child = open(MTNMERGE, "-|"); - if (! $child) { - open STDERR, ">&STDOUT"; - exec("mtn", "--root=$config{mtnrootdir}", "--rcfile", $mergerc, "explicit_merge", $leftRev, $rightRev, $branch, "--author", $author, "--key", $config{mtnkey}) || error("mtn merge failed to run"); - } - - while () { - if (/^mtn.\s.merged.\s($sha1_pattern)$/) { - $mergeRev=$1; - } - } - - close MTNMERGE || return undef; - - warn("merged $leftRev, $rightRev to make $mergeRev"); - - return $mergeRev; -} - -sub commit_file_to_new_rev($$$$$$$$) { - 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) || 40 != length $newFileID); - - # 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); - warn("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) || 40 != length $newRevID); - warn("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")); - - warn("Added certs for rev: $newRevID"); - return $newRevID; -} - -sub check_mergerc() { - my $mergerc = $config{mtnmergerc}; - if (! -r $mergerc ) { - warn("$mergerc doesn't exist. Creating file with default mergers."); - open(my $out, ">$mergerc") or error("can't open $mergerc: $!"); - print $out ; - close $out; - } -} - -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"(.*?)(?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", $rev); - #my ($out, $err) = $automator->call("content_diff", $file); - #debug("Problem committing $file") if ($err ne ""); - # FIXME: use of $file in these backticks is not wise from a - # security POV. Probably safe, but should be avoided - # anyway. - my $diff = `mtn --root=$config{mtnrootdir} au content_diff -r $oldrev -r $rev $file`; # was just $out; - - if ($diff) { - # this file has changed - # commit a revision with just this file changed off - # the old revision - # first get the contents - warn("File changed: forming branch\n"); - 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) { - warn("Unable to revert $file after merge on conflicted commit!"); - } - warn("Divergence created! Attempting auto-merge."); - - check_mergerc(); - - # see if it will merge cleanly - $ENV{MTN_MERGE}="fail"; - my $mergeResult = mtn_merge($newRevID, $rev, $branch, $author, "Auto-merging parallel web edits."); - $ENV{MTN_MERGE}=""; - - # push any changes so far - if (defined($config{mtnsync}) && $config{mtnsync}) { - if (system("mtn", "--root=$config{mtnrootdir}", "push", "--quiet", "--ticker=none", "--key", $config{mtnkey}) != 0) { - warn("monotone push failed\n"); - } - } - - if (defined($mergeResult)) { - # everything is merged - bring outselves up to date - if (system("mtn", "--root=$config{mtnrootdir}", "update", "-r", $mergeResult) != 0) { - warn("Unable to update to rev $mergeResult after merge on conflicted commit!"); - } - } else { - warn("Auto-merge failed. Using diff-merge to add conflict markers."); - - $ENV{MTN_MERGE}="diffutils_force"; - $mergeResult = mtn_merge($newRevID, $rev, $branch, $author, "Merge parallel conflicting web edits (adding inline conflict markers).\nThis revision should be cleaned up manually."); - $ENV{MTN_MERGE}=""; - - if (!defined($mergeResult)) { - warn("Unable to insert conflict markers!"); - error("Your commit succeeded. Unfortunately, someone else committed something to the same\n". - "part of the wiki at the same time. Both versions are stored in the monotone repository,\n". - "but at present the different versions cannot be reconciled through the web interface.\n\n". - "Please use the non-web interface to resolve the conflicts.\n"); - } - - # suspend this revision because it has conflict markers... - if (system("mtn", "--root=$config{mtnrootdir}", "update", "-r", $mergeResult) != 0) { - warn("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) { - warn("Traditional commit failed!\nReturning data as conflict.\n"); - my $conflict=readfile("$config{srcdir}/$file"); - if (system("mtn", "--root=$config{mtnrootdir}", "revert", "--quiet", $file) != 0) { - warn("monotone revert failed\n"); - } - return $conflict; - } - if (defined($config{mtnsync}) && $config{mtnsync}) { - if (system("mtn", "--root=$config{mtnrootdir}", "sync", "--quiet", "--ticker=none", "--key", $config{mtnkey}) != 0) { - warn("monotone sync failed\n"); - } - } - - return undef # success -} - -sub rcs_add ($) { - # Add a file. The filename is relative to the root of the srcdir. - my $file=shift; - - check_config(); - - if (system("mtn", "--root=$config{mtnrootdir}", "add", "--quiet", "$config{srcdir}/$file") != 0) { - error("Monotone add failed"); - } -} - -sub rcs_recentchanges ($) { - # Examine the RCS history and generate a list of recent changes. - # The data structure returned for each change is: - # { - # user => # name of user who made the change, - # committype => # either "web" or the name of the rcs, - # when => # time when the change was made, - # message => [ - # { line => "commit message line" }, - # { line => "commit message line" }, - # # etc, - # ], - # pages => [ - # { - # page => # name of page changed, - # diffurl => # optional url to a diff showing - # # the changes, - # }, - # # repeat for each page changed in this commit, - # ], - # } - - 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"); - } - - my $line; - - while (($num >= 0) and ($line = )) { - if ($line =~ m/^($sha1_pattern)/) { - push @revs, $1; - $num -= 1; - } - } - close MTNLOG || warn "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") { - $when = time - str2time($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; - - foreach $file (@changed_files) { - push @pages, { - page => pagename($file), - } if length $file; - } - - push @ret, { - rev => $rev, - user => $user, - committype => $committype, - when => $when, - message => [@message], - pages => [@pages], - } if @pages; - } - - $automator->close(); - - return @ret; -} - -sub rcs_notify () { - # This function is called when a change is committed to the wiki, - # and ikiwiki is running as a post-commit hook from the RCS. - # It should examine the repository to somehow determine what pages - # changed, and then send emails to users subscribed to those pages. - - warn("The monotone rcs_notify function is currently untested. Use at own risk!"); - - if (! exists $ENV{REV}) { - error(gettext("REV is not set, not running from mtn post-commit hook, cannot send notifications")); - } - if ($ENV{REV} !~ m/($sha1_pattern)/) { # sha1 is untainted now - error(gettext("REV is not a valid revision identifier, cannot send notifications")); - } - my $rev = $1; - - check_config(); - - my $automator = Monotone->new(); - $automator->open(undef, $config{mtnrootdir}); - - my $certs = [read_certs($automator, $rev)]; - my $user; - my $message; - my $when; - - foreach my $cert (@$certs) { - if ($cert->{signature} eq "ok" && $cert->{trust} eq "trusted") { - if ($cert->{name} eq "author") { - $user = $cert->{value}; - } elsif ($cert->{name} eq "date") { - $when = $cert->{value}; - } elsif ($cert->{name} eq "changelog") { - $message = $cert->{value}; - } - } - } - - my @changed_pages = get_changed_files($automator, $rev); - - $automator->close(); - - require IkiWiki::UserInfo; - send_commit_mails( - sub { - return $message; - }, - sub { - `mtn --root=$config{mtnrootdir} au content_diff -r $rev`; - }, $user, @changed_pages); -} - -sub rcs_getctime ($) { - # Optional, used to get the page creation time from the RCS. - # error gettext("getctime not implemented"); - 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 $firstRev; - while () { - if (/^($sha1_pattern)/) { - $firstRev=$1; - } - } - close MTNLOG || warn "mtn log $file exited $?"; - - if (! defined $firstRev) { - warn "failed to parse mtn log for $file\n"; - 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) { - warn "failed to find date cert for revision $firstRev when looking for creation time of $file\n"; - return 0; - } - - $date=str2time($date, 'UTC'); - debug("found ctime ".localtime($date)." for $file"); - return $date; -} - -1 - -# default mergerc content -__DATA__ - function local_execute_redirected(stdin, stdout, stderr, path, ...) - local pid - local ret = -1 - io.flush(); - pid = spawn_redirected(stdin, stdout, stderr, path, unpack(arg)) - if (pid ~= -1) then ret, pid = wait(pid) end - return ret - end - if (not execute_redirected) then -- use standard function if available - execute_redirected = local_execute_redirected - end - if (not mergers.fail) then -- use standard merger if available - mergers.fail = { - cmd = function (tbl) return false end, - available = function () return true end, - wanted = function () return true end - } - end - mergers.diffutils_force = { - cmd = function (tbl) - local ret = execute_redirected( - "", - tbl.outfile, - "", - "diff3", - "--merge", - "--show-overlap", - "--label", string.format("[Yours]", tbl.left_path ), - "--label", string.format("[Original]", tbl.anc_path ), - "--label", string.format("[Theirs]", tbl.right_path), - tbl.lfile, - tbl.afile, - tbl.rfile - ) - if (ret > 1) then - io.write(gettext("Error running GNU diffutils 3-way difference tool 'diff3'")) - return false - end - return tbl.outfile - end, - available = - function () - return program_exists_in_path("diff3"); - end, - wanted = - function () - return true - end - } -EOF