550 lines
14 KiB
Perl
550 lines
14 KiB
Perl
#!/usr/bin/perl
|
|
package IkiWiki::Plugin::cvs;
|
|
|
|
# Copyright (c) 2009 Amitai Schleier
|
|
# All rights reserved.
|
|
#
|
|
# This code is derived from software contributed to ikiwiki
|
|
# by Amitai Schleier.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY IKIWIKI AND CONTRIBUTORS ``AS IS''
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
|
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION
|
|
# OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
|
|
use warnings;
|
|
use strict;
|
|
use IkiWiki;
|
|
|
|
use URI::Escape q{uri_escape_utf8};
|
|
use File::chdir;
|
|
|
|
|
|
# GENERAL PLUGIN API CALLS
|
|
|
|
sub import {
|
|
hook(type => "checkconfig", id => "cvs", call => \&checkconfig);
|
|
hook(type => "getsetup", id => "cvs", call => \&getsetup);
|
|
hook(type => "genwrapper", id => "cvs", call => \&genwrapper);
|
|
|
|
hook(type => "rcs", id => "rcs_update", call => \&rcs_update);
|
|
hook(type => "rcs", id => "rcs_prepedit", call => \&rcs_prepedit);
|
|
hook(type => "rcs", id => "rcs_commit", call => \&rcs_commit);
|
|
hook(type => "rcs", id => "rcs_commit_staged", call => \&rcs_commit_staged);
|
|
hook(type => "rcs", id => "rcs_add", call => \&rcs_add);
|
|
hook(type => "rcs", id => "rcs_remove", call => \&rcs_remove);
|
|
hook(type => "rcs", id => "rcs_rename", call => \&rcs_rename);
|
|
hook(type => "rcs", id => "rcs_recentchanges", call => \&rcs_recentchanges);
|
|
hook(type => "rcs", id => "rcs_diff", call => \&rcs_diff);
|
|
hook(type => "rcs", id => "rcs_getctime", call => \&rcs_getctime);
|
|
hook(type => "rcs", id => "rcs_getmtime", call => \&rcs_getmtime);
|
|
}
|
|
|
|
sub checkconfig () {
|
|
if (! defined $config{cvspath}) {
|
|
$config{cvspath}="ikiwiki";
|
|
}
|
|
if (exists $config{cvspath}) {
|
|
# code depends on the path not having extraneous slashes
|
|
$config{cvspath}=~tr#/#/#s;
|
|
$config{cvspath}=~s/\/$//;
|
|
$config{cvspath}=~s/^\///;
|
|
}
|
|
if (defined $config{cvs_wrapper} && length $config{cvs_wrapper}) {
|
|
push @{$config{wrappers}}, {
|
|
wrapper => $config{cvs_wrapper},
|
|
wrappermode => (defined $config{cvs_wrappermode} ? $config{cvs_wrappermode} : "04755"),
|
|
};
|
|
}
|
|
}
|
|
|
|
sub getsetup () {
|
|
return
|
|
plugin => {
|
|
safe => 0, # rcs plugin
|
|
rebuild => undef,
|
|
section => "rcs",
|
|
},
|
|
cvsrepo => {
|
|
type => "string",
|
|
example => "/cvs/wikirepo",
|
|
description => "cvs repository location",
|
|
safe => 0, # path
|
|
rebuild => 0,
|
|
},
|
|
cvspath => {
|
|
type => "string",
|
|
example => "ikiwiki",
|
|
description => "path inside repository where the wiki is located",
|
|
safe => 0, # paranoia
|
|
rebuild => 0,
|
|
},
|
|
cvs_wrapper => {
|
|
type => "string",
|
|
example => "/cvs/wikirepo/CVSROOT/post-commit",
|
|
description => "cvs post-commit hook to generate (triggered by CVSROOT/loginfo entry)",
|
|
safe => 0, # file
|
|
rebuild => 0,
|
|
},
|
|
cvs_wrappermode => {
|
|
type => "string",
|
|
example => '04755',
|
|
description => "mode for cvs_wrapper (can safely be made suid)",
|
|
safe => 0,
|
|
rebuild => 0,
|
|
},
|
|
historyurl => {
|
|
type => "string",
|
|
example => "http://cvs.example.org/cvsweb.cgi/ikiwiki/[[file]]",
|
|
description => "cvsweb url to show file history ([[file]] substituted)",
|
|
safe => 1,
|
|
rebuild => 1,
|
|
},
|
|
diffurl => {
|
|
type => "string",
|
|
example => "http://cvs.example.org/cvsweb.cgi/ikiwiki/[[file]].diff?r1=text&tr1=[[r1]]&r2=text&tr2=[[r2]]",
|
|
description => "cvsweb url to show a diff ([[file]], [[r1]], and [[r2]] substituted)",
|
|
safe => 1,
|
|
rebuild => 1,
|
|
},
|
|
}
|
|
|
|
sub genwrapper () {
|
|
return <<EOF;
|
|
{
|
|
int j;
|
|
for (j = 1; j < argc; j++)
|
|
if (strstr(argv[j], "New directory") != NULL)
|
|
exit(0);
|
|
}
|
|
EOF
|
|
}
|
|
|
|
|
|
# VCS PLUGIN API CALLS
|
|
|
|
sub rcs_update () {
|
|
return unless cvs_is_controlling();
|
|
cvs_runcvs('update', '-dP');
|
|
}
|
|
|
|
sub rcs_prepedit ($) {
|
|
# 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;
|
|
|
|
return unless cvs_is_controlling();
|
|
|
|
# For cvs, return the revision of the file when
|
|
# editing begins.
|
|
my $rev=cvs_info("Repository revision", "$file");
|
|
return defined $rev ? $rev : "";
|
|
}
|
|
|
|
sub rcs_commit (@) {
|
|
# Tries to commit the page; returns undef on _success_ and
|
|
# a version of the page with the rcs's conflict markers on failure.
|
|
# The file is relative to the srcdir.
|
|
my %params=@_;
|
|
|
|
return unless cvs_is_controlling();
|
|
|
|
# Check to see if the page has been changed by someone
|
|
# else since rcs_prepedit was called.
|
|
my ($oldrev)=$params{token}=~/^([0-9]+)$/; # untaint
|
|
my $rev=cvs_info("Repository revision", "$config{srcdir}/$params{file}");
|
|
if (defined $rev && defined $oldrev && $rev != $oldrev) {
|
|
# Merge their changes into the file that we've
|
|
# changed.
|
|
cvs_runcvs('update', $params{file}) ||
|
|
warn("cvs merge from $oldrev to $rev failed\n");
|
|
}
|
|
|
|
if (! cvs_runcvs('commit', '-m',
|
|
IkiWiki::possibly_foolish_untaint(commitmessage(%params)))) {
|
|
my $conflict=readfile("$config{srcdir}/$params{file}");
|
|
cvs_runcvs('update', '-C', $params{file}) ||
|
|
warn("cvs revert failed\n");
|
|
return $conflict;
|
|
}
|
|
|
|
return undef # success
|
|
}
|
|
|
|
sub rcs_commit_staged (@) {
|
|
# Commits all staged changes. Changes can be staged using rcs_add,
|
|
# rcs_remove, and rcs_rename.
|
|
my %params=@_;
|
|
|
|
if (! cvs_runcvs('commit', '-m',
|
|
IkiWiki::possibly_foolish_untaint(commitmessage(%params)))) {
|
|
warn "cvs staged commit failed\n";
|
|
return 1; # failure
|
|
}
|
|
return undef # success
|
|
}
|
|
|
|
sub rcs_add ($) {
|
|
# filename is relative to the root of the srcdir
|
|
my $file=shift;
|
|
my $parent=IkiWiki::dirname($file);
|
|
my @files_to_add = ($file);
|
|
|
|
until ((length($parent) == 0) || cvs_is_controlling("$config{srcdir}/$parent")){
|
|
push @files_to_add, $parent;
|
|
$parent = IkiWiki::dirname($parent);
|
|
}
|
|
|
|
while ($file = pop @files_to_add) {
|
|
if (@files_to_add == 0) {
|
|
cvs_runcvs('add', cvs_keyword_subst_args($file)) ||
|
|
warn("cvs add file $file failed\n");
|
|
}
|
|
else {
|
|
cvs_runcvs('add', $file) ||
|
|
warn("cvs add dir $file failed\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
sub rcs_remove ($) {
|
|
# filename is relative to the root of the srcdir
|
|
my $file=shift;
|
|
|
|
return unless cvs_is_controlling();
|
|
|
|
cvs_runcvs('rm', '-f', $file) ||
|
|
warn("cvs rm $file failed\n");
|
|
}
|
|
|
|
sub rcs_rename ($$) {
|
|
# filenames relative to the root of the srcdir
|
|
my ($src, $dest)=@_;
|
|
|
|
return unless cvs_is_controlling();
|
|
|
|
local $CWD = $config{srcdir};
|
|
|
|
if (system("mv", "$src", "$dest") != 0) {
|
|
warn("filesystem rename failed\n");
|
|
}
|
|
|
|
rcs_add($dest);
|
|
rcs_remove($src);
|
|
}
|
|
|
|
sub rcs_recentchanges ($) {
|
|
my $num = shift;
|
|
my @ret;
|
|
|
|
return unless cvs_is_controlling();
|
|
|
|
eval q{use Date::Parse};
|
|
error($@) if $@;
|
|
|
|
local $CWD = $config{srcdir};
|
|
|
|
# There's no cvsps option to get the last N changesets.
|
|
# Write full output to a temp file and read backwards.
|
|
|
|
eval q{use File::Temp qw/tempfile/};
|
|
error($@) if $@;
|
|
eval q{use File::ReadBackwards};
|
|
error($@) if $@;
|
|
|
|
my ($tmphandle, $tmpfile) = tempfile();
|
|
system("env TZ=UTC cvsps -q --cvs-direct -z 30 -x >$tmpfile");
|
|
if ($? == -1) {
|
|
error "couldn't run cvsps: $!\n";
|
|
}
|
|
elsif (($? >> 8) != 0) {
|
|
error "cvsps exited " . ($? >> 8) . ": $!\n";
|
|
}
|
|
|
|
tie(*SPSVC, 'File::ReadBackwards', $tmpfile)
|
|
|| error "couldn't open $tmpfile for read: $!\n";
|
|
|
|
while (my $line = <SPSVC>) {
|
|
$line =~ /^$/ || error "expected blank line, got $line";
|
|
|
|
my ($rev, $user, $committype, $when);
|
|
my (@message, @pages);
|
|
|
|
# We're reading backwards.
|
|
# Forwards, an entry looks like so:
|
|
# ---------------------
|
|
# PatchSet $rev
|
|
# Date: $when
|
|
# Author: $user (or user CGI runs as, for web commits)
|
|
# Branch: branch
|
|
# Tag: tag
|
|
# Log:
|
|
# @message_lines
|
|
# Members:
|
|
# @pages (and revisions)
|
|
#
|
|
|
|
while ($line = <SPSVC>) {
|
|
last if ($line =~ /^Members:/);
|
|
for ($line) {
|
|
s/^\s+//;
|
|
s/\s+$//;
|
|
}
|
|
my ($page, $revs) = split(/:/, $line);
|
|
my ($oldrev, $newrev) = split(/->/, $revs);
|
|
$oldrev =~ s/INITIAL/0/;
|
|
$newrev =~ s/\(DEAD\)//;
|
|
my $diffurl = defined $config{diffurl} ? $config{diffurl} : "";
|
|
my $epage = join('/',
|
|
map { uri_escape_utf8($_) } split('/', $page)
|
|
);
|
|
$diffurl=~s/\[\[file\]\]/$epage/g;
|
|
$diffurl=~s/\[\[r1\]\]/$oldrev/g;
|
|
$diffurl=~s/\[\[r2\]\]/$newrev/g;
|
|
unshift @pages, {
|
|
page => pagename($page),
|
|
diffurl => $diffurl,
|
|
} if length $page;
|
|
}
|
|
|
|
while ($line = <SPSVC>) {
|
|
last if ($line =~ /^Log:$/);
|
|
chomp $line;
|
|
unshift @message, { line => $line };
|
|
}
|
|
$committype = "web";
|
|
if (defined $message[0] &&
|
|
$message[0]->{line}=~/$config{web_commit_regexp}/) {
|
|
$user=defined $2 ? "$2" : "$3";
|
|
$message[0]->{line}=$4;
|
|
}
|
|
else {
|
|
$committype="cvs";
|
|
}
|
|
|
|
$line = <SPSVC>; # Tag
|
|
$line = <SPSVC>; # Branch
|
|
|
|
$line = <SPSVC>;
|
|
if ($line =~ /^Author: (.*)$/) {
|
|
$user = $1 unless defined $user && length $user;
|
|
}
|
|
else {
|
|
error "expected Author, got $line";
|
|
}
|
|
|
|
$line = <SPSVC>;
|
|
if ($line =~ /^Date: (.*)$/) {
|
|
$when = str2time($1, 'UTC');
|
|
}
|
|
else {
|
|
error "expected Date, got $line";
|
|
}
|
|
|
|
$line = <SPSVC>;
|
|
if ($line =~ /^PatchSet (.*)$/) {
|
|
$rev = $1;
|
|
}
|
|
else {
|
|
error "expected PatchSet, got $line";
|
|
}
|
|
|
|
$line = <SPSVC>; # ---------------------
|
|
|
|
push @ret, {
|
|
rev => $rev,
|
|
user => $user,
|
|
committype => $committype,
|
|
when => $when,
|
|
message => [@message],
|
|
pages => [@pages],
|
|
} if @pages;
|
|
last if @ret >= $num;
|
|
}
|
|
|
|
unlink($tmpfile) || error "couldn't unlink $tmpfile: $!\n";
|
|
|
|
return @ret;
|
|
}
|
|
|
|
sub rcs_diff ($;$) {
|
|
my $rev=IkiWiki::possibly_foolish_untaint(int(shift));
|
|
my $maxlines=shift;
|
|
|
|
local $CWD = $config{srcdir};
|
|
|
|
# diff output is unavoidably preceded by the cvsps PatchSet entry
|
|
my @cvsps = `env TZ=UTC cvsps -q --cvs-direct -z 30 -g -s $rev`;
|
|
my $blank_lines_seen = 0;
|
|
|
|
# skip log, get to the diff
|
|
while (my $line = shift @cvsps) {
|
|
$blank_lines_seen++ if ($line =~ /^$/);
|
|
last if $blank_lines_seen == 2;
|
|
}
|
|
|
|
@cvsps = @cvsps[0..$maxlines-1]
|
|
if defined $maxlines && @cvsps > $maxlines;
|
|
|
|
if (wantarray) {
|
|
return @cvsps;
|
|
}
|
|
else {
|
|
return join("", @cvsps);
|
|
}
|
|
}
|
|
|
|
sub rcs_getctime ($) {
|
|
my $file=shift;
|
|
|
|
local $CWD = $config{srcdir};
|
|
|
|
my $cvs_log_infoline=qr/^date: (.+);\s+author/;
|
|
|
|
open CVSLOG, "cvs -Q log -r1.1 '$file' |"
|
|
|| error "couldn't get cvs log output: $!\n";
|
|
|
|
my $date;
|
|
while (<CVSLOG>) {
|
|
if (/$cvs_log_infoline/) {
|
|
$date=$1;
|
|
}
|
|
}
|
|
close CVSLOG || warn "cvs log $file exited $?";
|
|
|
|
if (! defined $date) {
|
|
warn "failed to parse cvs log for $file\n";
|
|
return 0;
|
|
}
|
|
|
|
eval q{use Date::Parse};
|
|
error($@) if $@;
|
|
$date=str2time($date, 'UTC');
|
|
debug("found ctime ".localtime($date)." for $file");
|
|
return $date;
|
|
}
|
|
|
|
sub rcs_getmtime ($) {
|
|
error "rcs_getmtime is not implemented for cvs\n"; # TODO
|
|
}
|
|
|
|
|
|
# INTERNAL SUPPORT ROUTINES
|
|
|
|
sub commitmessage (@) {
|
|
my %params=@_;
|
|
|
|
if (defined $params{session}) {
|
|
if (defined $params{session}->param("name")) {
|
|
return "web commit by ".
|
|
IkiWiki::cloak($params{session}->param("name")).
|
|
(length $params{message} ? ": $params{message}" : "");
|
|
}
|
|
elsif (defined $params{session}->remote_addr()) {
|
|
return "web commit from ".
|
|
IkiWiki::cloak($params{session}->remote_addr()).
|
|
(length $params{message} ? ": $params{message}" : "");
|
|
}
|
|
}
|
|
return $params{message};
|
|
}
|
|
|
|
sub cvs_info ($$) {
|
|
my $field=shift;
|
|
my $file=shift;
|
|
|
|
local $CWD = $config{srcdir};
|
|
|
|
my $info=`cvs status $file`;
|
|
my ($ret)=$info=~/^\s*$field:\s*(\S+)/m;
|
|
return $ret;
|
|
}
|
|
|
|
sub cvs_is_controlling {
|
|
my $dir=shift;
|
|
$dir=$config{srcdir} unless defined($dir);
|
|
return (-d "$dir/CVS") ? 1 : 0;
|
|
}
|
|
|
|
sub cvs_keyword_subst_args ($) {
|
|
my $file = shift;
|
|
|
|
local $CWD = $config{srcdir};
|
|
|
|
eval q{use File::MimeInfo};
|
|
error($@) if $@;
|
|
my $filemime = File::MimeInfo::default($file);
|
|
# if (-T $file) {
|
|
|
|
defined($filemime) && $filemime eq 'text/plain'
|
|
? return ('-kkv', $file)
|
|
: return ('-kb', $file);
|
|
}
|
|
|
|
sub cvs_runcvs(@) {
|
|
my @cmd = @_;
|
|
unshift @cmd, 'cvs', '-Q';
|
|
|
|
# CVS can't operate outside a srcdir, so we're always setting $CWD.
|
|
# "local $CWD" restores the previous value when we go out of scope.
|
|
# Usually that's correct. But if we're removing the last file from
|
|
# a directory, the post-commit hook will exec in a working directory
|
|
# that's about to not exist (CVS will prune it).
|
|
#
|
|
# chdir() manually here, so we can selectively not chdir() back.
|
|
|
|
my $oldcwd = $CWD;
|
|
chdir($config{srcdir});
|
|
|
|
eval q{
|
|
use IPC::Open3;
|
|
use Symbol qw(gensym);
|
|
use IO::File;
|
|
};
|
|
error($@) if $@;
|
|
|
|
my $cvsout = '';
|
|
my $cvserr = '';
|
|
local *CATCHERR = IO::File->new_tmpfile;
|
|
my $pid = open3(gensym(), \*CATCHOUT, ">&CATCHERR", @cmd);
|
|
while (my $l = <CATCHOUT>) {
|
|
$cvsout .= $l
|
|
unless 1;
|
|
}
|
|
waitpid($pid, 0);
|
|
my $ret = $? >> 8;
|
|
seek CATCHERR, 0, 0;
|
|
while (my $l = <CATCHERR>) {
|
|
$cvserr .= $l
|
|
unless $l =~ /^cvs commit: changing keyword expansion /;
|
|
}
|
|
|
|
print STDOUT $cvsout;
|
|
print STDERR $cvserr;
|
|
|
|
chdir($oldcwd) if -d $oldcwd;
|
|
|
|
return ($ret == 0) ? 1 : 0;
|
|
}
|
|
|
|
1
|