-#!/usr/pkg/bin/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 => "getopt", id => "cvs", call => \&getopt);
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_recentchanges", call => \&rcs_recentchanges);
hook(type => "rcs", id => "rcs_diff", call => \&rcs_diff);
hook(type => "rcs", id => "rcs_getctime", call => \&rcs_getctime);
-}
-
-sub getopt () {
- # "cvs add dir" acts immediately on the repository.
- # post-commit gets confused by this and doesn't need to act on it.
- # If that's why we're here, terminate the process.
- @ARGV == 3 && $ARGV[1] eq "NONE" && $ARGV[2] eq "NONE" && exit 0;
+ hook(type => "rcs", id => "rcs_getmtime", call => \&rcs_getmtime);
}
sub checkconfig () {
plugin => {
safe => 0, # rcs plugin
rebuild => undef,
+ section => "rcs",
},
cvsrepo => {
type => "string",
cvs_wrapper => {
type => "string",
example => "/cvs/wikirepo/CVSROOT/post-commit",
- description => "cvs post-commit hook to generate (triggered by CVSROOT/loginfo entry",
+ description => "cvs post-commit hook to generate (triggered by CVSROOT/loginfo entry)",
safe => 0, # file
rebuild => 0,
},
},
}
-sub cvs_info ($$) {
- my $field=shift;
- my $file=shift;
-
- chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
-
- my $info=`cvs status $file`;
- my ($ret)=$info=~/^\s*$field:\s*(\S+)/m;
- return $ret;
-}
-
-sub cvs_runcvs(@) {
- my ($cmd) = @_;
- unshift @$cmd, 'cvs', '-Q';
-
- eval q{
- use IPC::Cmd;
- };
- error($@) if $@;
-
- chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
-
- debug("runcvs: " . join(" ", @$cmd));
-
- my ($success, $error_code, $full_buf, $stdout_buf, $stderr_buf) =
- IPC::Cmd::run(command => $cmd, verbose => 0);
- if (! $success) {
- warn(join(" ", @$cmd) . " exited with code $error_code\n");
- warn(join "", @$stderr_buf);
+sub genwrapper () {
+ return <<EOF;
+ {
+ int j;
+ for (j = 1; j < argc; j++)
+ if (strstr(argv[j], "New directory") != NULL)
+ exit(0);
}
- return $success;
+EOF
}
-sub cvs_shquote_commit ($) {
- my $message = shift;
- eval q{
- use String::ShellQuote;
- };
- error($@) if $@;
-
- return shell_quote(IkiWiki::possibly_foolish_untaint($message));
-}
-
-sub cvs_is_controlling {
- my $dir=shift;
- $dir=$config{srcdir} unless defined($dir);
- return (-d "$dir/CVS") ? 1 : 0;
-}
+# VCS PLUGIN API CALLS
sub rcs_update () {
- return unless cvs_is_controlling;
- cvs_runcvs(['update', '-dP']);
+ return unless cvs_is_controlling();
+ cvs_runcvs('update', '-dP');
}
sub rcs_prepedit ($) {
# The file is relative to the srcdir.
my $file=shift;
- return unless cvs_is_controlling;
+ return unless cvs_is_controlling();
# For cvs, return the revision of the file when
# editing begins.
return defined $rev ? $rev : "";
}
-sub rcs_commit ($$$;$$) {
+sub rcs_commit (@) {
# Tries to commit the page; returns undef on _success_ and
# a version of the page with the rcs's conflict markers on failure.
# The file is relative to the srcdir.
- my $file=shift;
- my $message=shift;
- my $rcstoken=shift;
- my $user=shift;
- my $ipaddr=shift;
+ my %params=@_;
- return unless cvs_is_controlling;
-
- if (defined $user) {
- $message="web commit by $user".(length $message ? ": $message" : "");
- }
- elsif (defined $ipaddr) {
- $message="web commit from $ipaddr".(length $message ? ": $message" : "");
- }
+ return unless cvs_is_controlling();
# Check to see if the page has been changed by someone
# else since rcs_prepedit was called.
- my ($oldrev)=$rcstoken=~/^([0-9]+)$/; # untaint
- my $rev=cvs_info("Repository revision", "$config{srcdir}/$file");
+ my ($oldrev)=$params{token}=~/^([0-9]+)$/; # untaint
+ my $rev=cvs_info("Repository revision", "$config{srcdir}/$params{file}");
if (defined $rev && defined $oldrev && $rev != $oldrev) {
# Merge their changes into the file that we've
# changed.
- cvs_runcvs(['update', $file]) ||
+ cvs_runcvs('update', $params{file}) ||
warn("cvs merge from $oldrev to $rev failed\n");
}
- if (! cvs_runcvs(['commit', '-m', cvs_shquote_commit $message])) {
- my $conflict=readfile("$config{srcdir}/$file");
- cvs_runcvs(['update', '-C', $file]) ||
+ if (! cvs_runcvs('commit', '-m',
+ IkiWiki::possibly_foolish_untaint(commitmessage(%params)))) {
+ my $conflict=readfile("$config{srcdir}/$params{file}");
+ cvs_runcvs('update', '-C', $params{file}) ||
warn("cvs revert failed\n");
return $conflict;
}
return undef # success
}
-sub rcs_commit_staged ($$$) {
+sub rcs_commit_staged (@) {
# Commits all staged changes. Changes can be staged using rcs_add,
# rcs_remove, and rcs_rename.
- my ($message, $user, $ipaddr)=@_;
+ my %params=@_;
- if (defined $user) {
- $message="web commit by $user".(length $message ? ": $message" : "");
- }
- elsif (defined $ipaddr) {
- $message="web commit from $ipaddr".(length $message ? ": $message" : "");
- }
-
- if (! cvs_runcvs(['commit', '-m', cvs_shquote_commit $message])) {
+ if (! cvs_runcvs('commit', '-m',
+ IkiWiki::possibly_foolish_untaint(commitmessage(%params)))) {
warn "cvs staged commit failed\n";
return 1; # failure
}
}
while ($file = pop @files_to_add) {
- cvs_runcvs(['add', $file]) ||
- warn("cvs add $file failed\n");
+ if (@files_to_add == 0) {
+ cvs_runcvs('add', cvs_keyword_subst_args($file)) ||
+ warn("cvs add file $file failed\n");
+ }
+ else {
+ cvs_runcvs('add', $file) ||
+ warn("cvs add dir $file failed\n");
+ }
}
}
# filename is relative to the root of the srcdir
my $file=shift;
- return unless cvs_is_controlling;
+ return unless cvs_is_controlling();
- cvs_runcvs(['rm', '-f', $file]) ||
+ cvs_runcvs('rm', '-f', $file) ||
warn("cvs rm $file failed\n");
}
# filenames relative to the root of the srcdir
my ($src, $dest)=@_;
- return unless cvs_is_controlling;
+ return unless cvs_is_controlling();
- chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
+ local $CWD = $config{srcdir};
if (system("mv", "$src", "$dest") != 0) {
warn("filesystem rename failed\n");
rcs_remove($src);
}
-sub rcs_recentchanges($) {
+sub rcs_recentchanges ($) {
my $num = shift;
my @ret;
- return unless cvs_is_controlling;
+ return unless cvs_is_controlling();
- eval q{
- use Date::Parse;
- };
+ eval q{use Date::Parse};
error($@) if $@;
- chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
+ 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";
+ }
- open CVSPS, "env TZ=UTC cvsps -q --cvs-direct -z 30 -x |" || error "couldn't get cvsps output: $!\n";
- my @spsvc = reverse <CVSPS>; # is this great? no it is not
- close CVSPS || error "couldn't close cvsps output: $!\n";
+ tie(*SPSVC, 'File::ReadBackwards', $tmpfile)
+ || error "couldn't open $tmpfile for read: $!\n";
- while (my $line = shift @spsvc) {
+ while (my $line = <SPSVC>) {
$line =~ /^$/ || error "expected blank line, got $line";
my ($rev, $user, $committype, $when);
# @pages (and revisions)
#
- while ($line = shift @spsvc) {
+ while ($line = <SPSVC>) {
last if ($line =~ /^Members:/);
for ($line) {
s/^\s+//;
$oldrev =~ s/INITIAL/0/;
$newrev =~ s/\(DEAD\)//;
my $diffurl = defined $config{diffurl} ? $config{diffurl} : "";
- $diffurl=~s/\[\[file\]\]/$page/g;
+ 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, {
} if length $page;
}
- while ($line = shift @spsvc) {
+ while ($line = <SPSVC>) {
last if ($line =~ /^Log:$/);
chomp $line;
unshift @message, { line => $line };
$message[0]->{line}=~/$config{web_commit_regexp}/) {
$user=defined $2 ? "$2" : "$3";
$message[0]->{line}=$4;
- } else {
+ }
+ else {
$committype="cvs";
}
- $line = shift @spsvc; # Tag
- $line = shift @spsvc; # Branch
+ $line = <SPSVC>; # Tag
+ $line = <SPSVC>; # Branch
- $line = shift @spsvc;
+ $line = <SPSVC>;
if ($line =~ /^Author: (.*)$/) {
$user = $1 unless defined $user && length $user;
- } else {
+ }
+ else {
error "expected Author, got $line";
}
- $line = shift @spsvc;
+ $line = <SPSVC>;
if ($line =~ /^Date: (.*)$/) {
$when = str2time($1, 'UTC');
- } else {
+ }
+ else {
error "expected Date, got $line";
}
- $line = shift @spsvc;
+ $line = <SPSVC>;
if ($line =~ /^PatchSet (.*)$/) {
$rev = $1;
- } else {
+ }
+ else {
error "expected PatchSet, got $line";
}
- $line = shift @spsvc; # ---------------------
+ $line = <SPSVC>; # ---------------------
push @ret, {
rev => $rev,
message => [@message],
pages => [@pages],
} if @pages;
- return @ret if @ret >= $num;
+ last if @ret >= $num;
}
+ unlink($tmpfile) || error "couldn't unlink $tmpfile: $!\n";
+
return @ret;
}
-sub rcs_diff ($) {
+sub rcs_diff ($;$) {
my $rev=IkiWiki::possibly_foolish_untaint(int(shift));
+ my $maxlines=shift;
- chdir $config{srcdir} || error("Cannot chdir to $config{srcdir}: $!");
+ 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 > $maxlines;
+
if (wantarray) {
return @cvsps;
- } else {
+ }
+ else {
return join("", @cvsps);
}
}
sub rcs_getctime ($) {
my $file=shift;
+ local $CWD = $config{srcdir};
+
my $cvs_log_infoline=qr/^date: (.+);\s+author/;
open CVSLOG, "cvs -Q log -r1.1 '$file' |"
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