#!/usr/bin/perl
package IkiWiki::Plugin::cvs;
-# Copyright (c) 2009 Amitai Schlair
+# Copyright (c) 2009 Amitai Schleier
# All rights reserved.
#
# This code is derived from software contributed to ikiwiki
-# by Amitai Schlair.
+# by Amitai Schleier.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
use strict;
use IkiWiki;
+use URI::Escape q{uri_escape_utf8};
use File::chdir;
+
+# GENERAL PLUGIN API CALLS
+
sub import {
- hook(type => "genwrapper", id => "cvs", call => \&genwrapper);
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_getmtime", call => \&rcs_getmtime);
}
-sub genwrapper () {
- return <<EOF;
- {
- int j;
- for (j = 1; j < argc; j++)
- if (strstr(argv[j], "New directory") != NULL)
- exit(0);
- }
-EOF
-}
-
sub checkconfig () {
if (! defined $config{cvspath}) {
$config{cvspath}="ikiwiki";
},
}
-sub cvs_info ($$) {
- my $field=shift;
- my $file=shift;
-
- local $CWD = $config{srcdir};
-
- my $info=`cvs status $file`;
- my ($ret)=$info=~/^\s*$field:\s*(\S+)/m;
- return $ret;
+sub genwrapper () {
+ return <<EOF;
+ {
+ int j;
+ for (j = 1; j < argc; j++)
+ if (strstr(argv[j], "New directory") != NULL)
+ exit(0);
+ }
+EOF
}
-sub cvs_runcvs(@) {
- my @cmd = @_;
- unshift @cmd, 'cvs', '-Q';
-
- local $CWD = $config{srcdir};
- open(my $savedout, ">&STDOUT");
- open(STDOUT, ">", "/dev/null");
- my $ret = system(@cmd);
- open(STDOUT, ">&", $savedout);
-
- return ($ret == 0) ? 1 : 0;
-}
-
-sub cvs_is_controlling {
- my $dir=shift;
- $dir=$config{srcdir} unless defined($dir);
- return (-d "$dir/CVS") ? 1 : 0;
-}
+# VCS PLUGIN API CALLS
sub rcs_update () {
- return unless cvs_is_controlling;
+ return unless cvs_is_controlling();
cvs_runcvs('update', '-dP');
}
# The file is relative to the srcdir.
my $file=shift;
- return unless cvs_is_controlling;
+ return unless cvs_is_controlling();
# For cvs, return the revision of the file when
# editing begins.
return defined $rev ? $rev : "";
}
-sub rcs_commit ($$$;$$) {
+sub rcs_commit (@) {
# Tries to commit the page; returns undef on _success_ and
# a version of the page with the rcs's conflict markers on failure.
# The file is relative to the srcdir.
- my $file=shift;
- my $message=shift;
- my $rcstoken=shift;
- my $user=shift;
- my $ipaddr=shift;
+ my %params=@_;
- return unless cvs_is_controlling;
-
- if (defined $user) {
- $message="web commit by $user".(length $message ? ": $message" : "");
- }
- elsif (defined $ipaddr) {
- $message="web commit from $ipaddr".(length $message ? ": $message" : "");
- }
+ return unless cvs_is_controlling();
# Check to see if the page has been changed by someone
# else since rcs_prepedit was called.
- my ($oldrev)=$rcstoken=~/^([0-9]+)$/; # untaint
- my $rev=cvs_info("Repository revision", "$config{srcdir}/$file");
+ my ($oldrev)=$params{token}=~/^([0-9]+)$/; # untaint
+ my $rev=cvs_info("Repository revision", "$config{srcdir}/$params{file}");
if (defined $rev && defined $oldrev && $rev != $oldrev) {
# Merge their changes into the file that we've
# changed.
- cvs_runcvs('update', $file) ||
+ cvs_runcvs('update', $params{file}) ||
warn("cvs merge from $oldrev to $rev failed\n");
}
if (! cvs_runcvs('commit', '-m',
- IkiWiki::possibly_foolish_untaint $message)) {
- my $conflict=readfile("$config{srcdir}/$file");
- cvs_runcvs('update', '-C', $file) ||
+ IkiWiki::possibly_foolish_untaint(commitmessage(%params)))) {
+ my $conflict=readfile("$config{srcdir}/$params{file}");
+ cvs_runcvs('update', '-C', $params{file}) ||
warn("cvs revert failed\n");
return $conflict;
}
return undef # success
}
-sub rcs_commit_staged ($$$) {
+sub rcs_commit_staged (@) {
# Commits all staged changes. Changes can be staged using rcs_add,
# rcs_remove, and rcs_rename.
- my ($message, $user, $ipaddr)=@_;
-
- if (defined $user) {
- $message="web commit by $user".(length $message ? ": $message" : "");
- }
- elsif (defined $ipaddr) {
- $message="web commit from $ipaddr".(length $message ? ": $message" : "");
- }
+ my %params=@_;
if (! cvs_runcvs('commit', '-m',
- IkiWiki::possibly_foolish_untaint $message)) {
+ IkiWiki::possibly_foolish_untaint(commitmessage(%params)))) {
warn "cvs staged commit failed\n";
return 1; # failure
}
my $parent=IkiWiki::dirname($file);
my @files_to_add = ($file);
- eval q{use File::MimeInfo};
- error($@) if $@;
-
until ((length($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) {
- # file
- my $filemime = File::MimeInfo::default($file);
- if (defined($filemime) && $filemime eq 'text/plain') {
- cvs_runcvs('add', $file) ||
- warn("cvs add $file failed\n");
- }
- else {
- cvs_runcvs('add', '-kb', $file) ||
- warn("cvs add binary $file failed\n");
- }
+ cvs_runcvs('add', cvs_keyword_subst_args($file)) ||
+ warn("cvs add file $file failed\n");
}
else {
- # directory
cvs_runcvs('add', $file) ||
- warn("cvs add $file failed\n");
+ 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) ||
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();
local $CWD = $config{srcdir};
my $num = shift;
my @ret;
- return unless cvs_is_controlling;
+ return unless cvs_is_controlling();
eval q{use Date::Parse};
error($@) if $@;
$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/\[\[r2\]\]/$newrev/g;
unshift @pages, {
return @ret;
}
-sub rcs_diff ($) {
+sub rcs_diff ($;$) {
my $rev=IkiWiki::possibly_foolish_untaint(int(shift));
+ my $maxlines=shift;
local $CWD = $config{srcdir};
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 > $maxlines;
+
if (wantarray) {
return @cvsps;
}
sub rcs_getctime ($) {
my $file=shift;
+ local $CWD = $config{srcdir};
+
my $cvs_log_infoline=qr/^date: (.+);\s+author/;
open CVSLOG, "cvs -Q log -r1.1 '$file' |"
error "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;
+}
+
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