aboutsummaryrefslogtreecommitdiff
path: root/IkiWiki/Plugin/mercurial.pm
blob: 7aceebcdb4821ba46929df6b3245e93fa4365fe6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
#!/usr/bin/perl
package IkiWiki::Plugin::mercurial;

use warnings;
use strict;
use IkiWiki;
use Encode;
use open qw{:utf8 :std};

sub import { #{{{
	hook(type => "checkconfig", id => "mercurial", call => \&checkconfig);
	hook(type => "getsetup", id => "mercurial", call => \&getsetup);
	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);
} #}}}

sub checkconfig () { #{{{
	if (exists $config{mercurial_wrapper} && length $config{mercurial_wrapper}) {
		push @{$config{wrappers}}, {
			wrapper => $config{mercurial_wrapper},
			wrappermode => (defined $config{mercurial_wrappermode} ? $config{mercurial_wrappermode} : "06755"),
		};
	}
} #}}}

sub getsetup () { #{{{
	return
		plugin => {
			safe => 0, # rcs plugin
			rebuild => undef,
		},
		mercurial_wrapper => {
			type => "string",
			#example => # FIXME add example
			description => "mercurial post-commit hook to generate",
			safe => 0, # file
			rebuild => 0,
		},
		mercurial_wrappermode => {
			type => "string",
			example => '06755',
			description => "mode for mercurial_wrapper (can safely be made suid)",
			safe => 0,
			rebuild => 0,
		},
		historyurl => {
			type => "string",
			example => "http://example.com:8000/log/tip/[[file]]",
			description => "url to hg serve'd repository, to show file history ([[file]] substituted)",
			safe => 1,
			rebuild => 1,
		},
		diffurl => {
			type => "string",
			example => "http://localhost:8000/?fd=[[r2]];file=[[file]]",
			description => "url to hg serve'd repository, to show diff ([[file]] and [[r2]] substituted)",
			safe => 1,
			rebuild => 1,
		},
} #}}}

sub mercurial_log ($) { #{{{
	my $out = shift;
	my @infos;

	while (<$out>) {
		my $line = $_;
		my ($key, $value);

		if (/^description:/) {
			$key = "description";
			$value = "";

			# slurp everything as the description text 
			# until the next changeset
			while (<$out>) {
				if (/^changeset: /) {
					$line = $_;
					last;
				}

				$value .= $_;
			}

			local $/ = "";
			chomp $value;
			$infos[$#infos]{$key} = $value;
		}

		chomp $line;
	        ($key, $value) = split /: +/, $line, 2;

		if ($key eq "changeset") {
			push @infos, {};

			# remove the revision index, which is strictly 
			# local to the repository
			$value =~ s/^\d+://;
		}

		$infos[$#infos]{$key} = $value;
	}
	close $out;

	return @infos;
} #}}}

sub rcs_update () { #{{{
	my @cmdline = ("hg", "-q", "-R", "$config{srcdir}", "update");
	if (system(@cmdline) != 0) {
		warn "'@cmdline' failed: $!";
	}
} #}}}

sub rcs_prepedit ($) { #{{{
	return "";
} #}}}

sub rcs_commit ($$$;$$) { #{{{
	my ($file, $message, $rcstoken, $user, $ipaddr) = @_;

	if (defined $user) {
		$user = IkiWiki::possibly_foolish_untaint($user);
	}
	elsif (defined $ipaddr) {
		$user = "Anonymous from ".IkiWiki::possibly_foolish_untaint($ipaddr);
	}
	else {
		$user = "Anonymous";
	}

	$message = IkiWiki::possibly_foolish_untaint($message);
	if (! length $message) {
		$message = "no message given";
	}

	my @cmdline = ("hg", "-q", "-R", $config{srcdir}, "commit", 
	               "-m", $message, "-u", $user);
	if (system(@cmdline) != 0) {
		warn "'@cmdline' failed: $!";
	}

	return undef; # success
} #}}}

sub rcs_commit_staged ($$$) {
	# Commits all staged changes. Changes can be staged using rcs_add,
	# rcs_remove, and rcs_rename.
	my ($message, $user, $ipaddr)=@_;
	
	error("rcs_commit_staged not implemented for mercurial"); # TODO
}

sub rcs_add ($) { # {{{
	my ($file) = @_;

	my @cmdline = ("hg", "-q", "-R", "$config{srcdir}", "add", "$config{srcdir}/$file");
	if (system(@cmdline) != 0) {
		warn "'@cmdline' failed: $!";
	}
} #}}}

sub rcs_remove ($) { # {{{
	my ($file) = @_;

	error("rcs_remove not implemented for mercurial"); # TODO
} #}}}

sub rcs_rename ($$) { # {{{
	my ($src, $dest) = @_;

	error("rcs_rename not implemented for mercurial"); # TODO
} #}}}

sub rcs_recentchanges ($) { #{{{
	my ($num) = @_;

	my @cmdline = ("hg", "-R", $config{srcdir}, "log", "-v", "-l", $num,
		"--style", "default");
	open (my $out, "@cmdline |");

	eval q{use Date::Parse};
	error($@) if $@;

	my @ret;
	foreach my $info (mercurial_log($out)) {
		my @pages = ();
		my @message = ();
        
		foreach my $msgline (split(/\n/, $info->{description})) {
			push @message, { line => $msgline };
		}

		foreach my $file (split / /,$info->{files}) {
			my $diffurl = defined $config{diffurl} ? $config{'diffurl'} : "";
			$diffurl =~ s/\[\[file\]\]/$file/go;
			$diffurl =~ s/\[\[r2\]\]/$info->{changeset}/go;

			push @pages, {
				page => pagename($file),
				diffurl => $diffurl,
			};
		}

		my $user = $info->{"user"};
		$user =~ s/\s*<.*>\s*$//;
		$user =~ s/^\s*//;

		push @ret, {
			rev        => $info->{"changeset"},
			user       => $user,
			committype => "mercurial",
			when       => str2time($info->{"date"}),
			message    => [@message],
			pages      => [@pages],
		};
	}

	return @ret;
} #}}}

sub rcs_diff ($) { #{{{
	# TODO
} #}}}

sub rcs_getctime ($) { #{{{
	my ($file) = @_;

	# XXX filename passes through the shell here, should try to avoid
	# that just in case
	my @cmdline = ("hg", "-R", $config{srcdir}, "log", "-v", "-l", '1', 
		"--style", "default", "$config{srcdir}/$file");
	open (my $out, "@cmdline |");

	my @log = mercurial_log($out);

	if (length @log < 1) {
		return 0;
	}

	eval q{use Date::Parse};
	error($@) if $@;
	
	my $ctime = str2time($log[0]->{"date"});
	return $ctime;
} #}}}

1