diff options
Diffstat (limited to 'IkiWiki/Rcs/svn.pm')
-rw-r--r-- | IkiWiki/Rcs/svn.pm | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/IkiWiki/Rcs/svn.pm b/IkiWiki/Rcs/svn.pm new file mode 100644 index 000000000..b45b69197 --- /dev/null +++ b/IkiWiki/Rcs/svn.pm @@ -0,0 +1,258 @@ +#!/usr/bin/perl +# For subversion support. + +use warnings; +use strict; +use IkiWiki; + +package IkiWiki; + +my $svn_log_infoline=qr/^r(\d+)\s+\|\s+([^\s]+)\s+\|\s+(\d+-\d+-\d+\s+\d+:\d+:\d+\s+[-+]?\d+).*/; +my $svn_webcommit=qr/^web commit by (\w+):?(.*)/; + +sub svn_info ($$) { #{{{ + my $field=shift; + my $file=shift; + + my $info=`LANG=C svn info $file`; + my ($ret)=$info=~/^$field: (.*)$/m; + return $ret; +} #}}} + +sub rcs_update () { #{{{ + if (-d "$config{srcdir}/.svn") { + if (system("svn", "update", "--quiet", $config{srcdir}) != 0) { + warn("svn update failed\n"); + } + } +} #}}} + +sub rcs_prepedit ($) { #{{{ + # Prepares to edit a file under revision control. Returns a token + # that must be passed into rcs_commit when the file is ready + # for committing. + # The file is relative to the srcdir. + my $file=shift; + + if (-d "$config{srcdir}/.svn") { + # For subversion, return the revision of the file when + # editing begins. + my $rev=svn_info("Revision", "$config{srcdir}/$file"); + return defined $rev ? $rev : ""; + } +} #}}} + +sub rcs_commit ($$$) { #{{{ + # 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 $rcstoken=shift; + + if (-d "$config{srcdir}/.svn") { + # Check to see if the page has been changed by someone + # else since rcs_prepedit was called. + my ($oldrev)=$rcstoken=~/^([0-9]+)$/; # untaint + my $rev=svn_info("Revision", "$config{srcdir}/$file"); + if (defined $rev && defined $oldrev && $rev != $oldrev) { + # Merge their changes into the file that we've + # changed. + chdir($config{srcdir}); # svn merge wants to be here + if (system("svn", "merge", "--quiet", "-r$oldrev:$rev", + "$config{srcdir}/$file") != 0) { + warn("svn merge -r$oldrev:$rev failed\n"); + } + } + + if (system("svn", "commit", "--quiet", "-m", + possibly_foolish_untaint($message), + "$config{srcdir}") != 0) { + my $conflict=readfile("$config{srcdir}/$file"); + if (system("svn", "revert", "--quiet", "$config{srcdir}/$file") != 0) { + warn("svn revert failed\n"); + } + return $conflict; + } + } + return undef # success +} #}}} + +sub rcs_add ($) { #{{{ + # filename is relative to the root of the srcdir + my $file=shift; + + if (-d "$config{srcdir}/.svn") { + my $parent=dirname($file); + while (! -d "$config{srcdir}/$parent/.svn") { + $file=$parent; + $parent=dirname($file); + } + + if (system("svn", "add", "--quiet", "$config{srcdir}/$file") != 0) { + warn("svn add failed\n"); + } + } +} #}}} + +sub rcs_recentchanges ($) { #{{{ + my $num=shift; + my @ret; + + eval q{use CGI 'escapeHTML'}; + eval q{use Date::Parse}; + eval q{use Time::Duration}; + + if (-d "$config{srcdir}/.svn") { + my $svn_url=svn_info("URL", $config{srcdir}); + + my $div=qr/^--------------------+$/; + my $state='start'; + my ($rev, $user, $when, @pages, @message); + foreach (`LANG=C svn log -v '$svn_url'`) { + chomp; + if ($state eq 'start' && /$div/) { + $state='header'; + } + elsif ($state eq 'header' && /$svn_log_infoline/) { + $rev=$1; + $user=$2; + $when=concise(ago(time - str2time($3))); + } + elsif ($state eq 'header' && /^\s+[A-Z]+\s+\/\Q$config{svnpath}\E\/([^ ]+)(?:$|\s)/) { + my $file=$1; + my $diffurl=$config{diffurl}; + $diffurl=~s/\[\[file\]\]/$file/g; + $diffurl=~s/\[\[r1\]\]/$rev - 1/eg; + $diffurl=~s/\[\[r2\]\]/$rev/g; + push @pages, { + link => htmllink("", pagename($file), 1), + diffurl => $diffurl, + } if length $file; + } + elsif ($state eq 'header' && /^$/) { + $state='body'; + } + elsif ($state eq 'body' && /$div/) { + my $committype="web"; + if (defined $message[0] && + $message[0]->{line}=~/$svn_webcommit/) { + $user="$1"; + $message[0]->{line}=$2; + } + else { + $committype="svn"; + } + + push @ret, { rev => $rev, + user => htmllink("", $user, 1), + committype => $committype, + when => $when, message => [@message], + pages => [@pages], + } if @pages; + return @ret if @ret >= $num; + + $state='header'; + $rev=$user=$when=undef; + @pages=@message=(); + } + elsif ($state eq 'body') { + push @message, {line => escapeHTML($_)}, + } + } + } + + return @ret; +} #}}} + +sub rcs_notify () { #{{{ + if (! exists $ENV{REV}) { + error("REV is not set, not running from svn post-commit hook, cannot send notifications"); + } + my $rev=int(possibly_foolish_untaint($ENV{REV})); + + my $user=`svnlook author $config{svnrepo} -r $rev`; + chomp $user; + my $message=`svnlook log $config{svnrepo} -r $rev`; + if ($message=~/$svn_webcommit/) { + $user="$1"; + $message=$2; + } + + my @changed_pages; + foreach my $change (`svnlook changed $config{svnrepo} -r $rev`) { + chomp $change; + if ($change =~ /^[A-Z]+\s+\Q$config{svnpath}\E\/(.*)/) { + push @changed_pages, $1; + } + } + + require IkiWiki::UserInfo; + my @email_recipients=commit_notify_list($user, @changed_pages); + if (@email_recipients) { + # TODO: if a commit spans multiple pages, this will send + # subscribers a diff that might contain pages they did not + # sign up for. Should separate the diff per page and + # reassemble into one mail with just the pages subscribed to. + my $diff=`svnlook diff $config{svnrepo} -r $rev --no-diff-deleted`; + + my $subject="$config{wikiname} update of "; + if (@changed_pages > 2) { + $subject.="$changed_pages[0] $changed_pages[1] etc"; + } + else { + $subject.=join(" ", @changed_pages); + } + $subject.=" by $user"; + + my $template=HTML::Template->new( + filename => "$config{templatedir}/notifymail.tmpl" + ); + $template->param( + wikiname => $config{wikiname}, + diff => $diff, + user => $user, + message => $message, + ); + + eval q{use Mail::Sendmail}; + foreach my $email (@email_recipients) { + sendmail( + To => $email, + From => "$config{wikiname} <$config{adminemail}>", + Subject => $subject, + Message => $template->output, + ) or error("Failed to send update notification mail"); + } + } +} #}}} + +sub rcs_getctime () { #{{{ + eval q{use Date::Parse}; + foreach my $page (keys %pagectime) { + my $file="$config{srcdir}/$pagesources{$page}"; + next unless -e $file; + my $child = open(SVNLOG, "-|"); + if (! $child) { + exec("svn", "log", $file) || error("svn log $file failed to run"); + } + + my $date; + while (<SVNLOG>) { + if (/$svn_log_infoline/) { + $date=$3; + } + } + close SVNLOG || warn "svn log $file exited $?"; + + if (! defined $date) { + warn "failed to parse svn log for $file\n"; + next; + } + + $pagectime{$page}=$date=str2time($date); + debug("found ctime ".localtime($date)." for $page"); + } +} #}}} + +1 |