ikiwiki/IkiWiki/Plugin/bzr.pm

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#!/usr/bin/perl
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package IkiWiki::Plugin::bzr;
use warnings;
use strict;
use IkiWiki;
use Encode;
use URI::Escape q{uri_escape_utf8};
use open qw{:utf8 :std};
sub import {
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hook(type => "checkconfig", id => "bzr", call => \&checkconfig);
hook(type => "getsetup", id => "bzr", 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);
hook(type => "rcs", id => "rcs_getmtime", call => \&rcs_getmtime);
}
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sub checkconfig () {
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if (defined $config{bzr_wrapper} && length $config{bzr_wrapper}) {
push @{$config{wrappers}}, {
wrapper => $config{bzr_wrapper},
wrappermode => (defined $config{bzr_wrappermode} ? $config{bzr_wrappermode} : "06755"),
};
}
}
sub getsetup () {
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return
plugin => {
safe => 0, # rcs plugin
rebuild => undef,
section => "rcs",
},
bzr_wrapper => {
type => "string",
#example => "", # FIXME add example
description => "bzr post-commit hook to generate",
safe => 0, # file
rebuild => 0,
},
bzr_wrappermode => {
type => "string",
example => '06755',
description => "mode for bzr_wrapper (can safely be made suid)",
safe => 0,
rebuild => 0,
},
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historyurl => {
type => "string",
#example => "", # FIXME add example
description => "url to show file history, using loggerhead ([[file]] substituted)",
safe => 1,
rebuild => 1,
},
diffurl => {
type => "string",
example => "http://example.com/revision?start_revid=[[r2]]#[[file]]-s",
description => "url to view a diff, using loggerhead ([[file]] and [[r2]] substituted)",
safe => 1,
rebuild => 1,
},
}
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sub bzr_log ($) {
my $out = shift;
my @infos = ();
my $key = undef;
my %info;
while (<$out>) {
my $line = $_;
my ($value);
if ($line =~ /^message:/) {
$key = "message";
$info{$key} = "";
}
elsif ($line =~ /^(modified|added|renamed|renamed and modified|removed):/) {
$key = "files";
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$info{$key} = "" unless defined $info{$key};
}
elsif (defined($key) and $line =~ /^ (.*)/) {
$info{$key} .= "$1\n";
}
elsif ($line eq "------------------------------------------------------------\n") {
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push @infos, {%info} if keys %info;
%info = ();
$key = undef;
}
elsif ($line =~ /: /) {
chomp $line;
if ($line =~ /^revno: (\d+)/) {
$key = "revno";
$value = $1;
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}
else {
($key, $value) = split /: +/, $line, 2;
}
$info{$key} = $value;
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}
}
close $out;
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push @infos, {%info} if keys %info;
return @infos;
}
sub rcs_update () {
my @cmdline = ("bzr", "update", "--quiet", $config{srcdir});
if (system(@cmdline) != 0) {
warn "'@cmdline' failed: $!";
}
}
sub rcs_prepedit ($) {
return "";
}
sub bzr_author ($) {
my $session=shift;
return unless defined $session;
my $user=$session->param("name");
my $ipaddr=$session->remote_addr();
if (defined $user) {
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return IkiWiki::possibly_foolish_untaint($user);
}
elsif (defined $ipaddr) {
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return "Anonymous from ".IkiWiki::possibly_foolish_untaint($ipaddr);
}
else {
return "Anonymous";
}
}
sub rcs_commit (@) {
my %params=@_;
my $user=bzr_author($params{session});
$params{message} = IkiWiki::possibly_foolish_untaint($params{message});
if (! length $params{message}) {
$params{message} = "no message given";
}
my @cmdline = ("bzr", "commit", "--quiet", "-m", $params{message},
(defined $user ? ("--author", $user) : ()),
$config{srcdir}."/".$params{file});
if (system(@cmdline) != 0) {
warn "'@cmdline' failed: $!";
}
return undef; # success
}
sub rcs_commit_staged (@) {
my %params=@_;
my $user=bzr_author($params{session});
$params{message} = IkiWiki::possibly_foolish_untaint($params{message});
if (! length $params{message}) {
$params{message} = "no message given";
}
my @cmdline = ("bzr", "commit", "--quiet", "-m", $params{message},
(defined $user ? ("--author", $user) : ()),
$config{srcdir});
if (system(@cmdline) != 0) {
warn "'@cmdline' failed: $!";
}
return undef; # success
}
sub rcs_add ($) {
my ($file) = @_;
my @cmdline = ("bzr", "add", "--quiet", "$config{srcdir}/$file");
if (system(@cmdline) != 0) {
warn "'@cmdline' failed: $!";
}
}
sub rcs_remove ($) {
my ($file) = @_;
my @cmdline = ("bzr", "rm", "--quiet", "$config{srcdir}/$file");
if (system(@cmdline) != 0) {
warn "'@cmdline' failed: $!";
}
}
sub rcs_rename ($$) {
my ($src, $dest) = @_;
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my $parent = IkiWiki::dirname($dest);
if (system("bzr", "add", "--quiet", "$config{srcdir}/$parent") != 0) {
warn("bzr add $parent failed\n");
}
my @cmdline = ("bzr", "mv", "--quiet", "$config{srcdir}/$src", "$config{srcdir}/$dest");
if (system(@cmdline) != 0) {
warn "'@cmdline' failed: $!";
}
}
sub rcs_recentchanges ($) {
my ($num) = @_;
my @cmdline = ("bzr", "log", "-v", "--show-ids", "--limit", $num,
$config{srcdir});
open (my $out, "@cmdline |");
eval q{use Date::Parse};
error($@) if $@;
my @ret;
foreach my $info (bzr_log($out)) {
my @pages = ();
my @message = ();
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foreach my $msgline (split(/\n/, $info->{message})) {
push @message, { line => $msgline };
}
foreach my $file (split(/\n/, $info->{files})) {
my ($filename, $fileid) = ($file =~ /^(.*?) +([^ ]+)$/);
# Skip directories
next if ($filename =~ /\/$/);
# Skip source name in renames
$filename =~ s/^.* => //;
my $efilename = uri_escape_utf8($filename);
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my $diffurl = defined $config{'diffurl'} ? $config{'diffurl'} : "";
$diffurl =~ s/\[\[file\]\]/$efilename/go;
$diffurl =~ s/\[\[file-id\]\]/$fileid/go;
$diffurl =~ s/\[\[r2\]\]/$info->{revno}/go;
push @pages, {
page => pagename($filename),
diffurl => $diffurl,
};
}
my $user = $info->{"committer"};
if (defined($info->{"author"})) { $user = $info->{"author"}; }
$user =~ s/\s*<.*>\s*$//;
$user =~ s/^\s*//;
push @ret, {
rev => $info->{"revno"},
user => $user,
committype => "bzr",
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when => str2time($info->{"timestamp"}),
message => [@message],
pages => [@pages],
};
}
return @ret;
}
sub rcs_diff ($;$) {
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my $taintedrev=shift;
my $maxlines=shift;
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my ($rev) = $taintedrev =~ /^(\d+(\.\d+)*)$/; # untaint
my $prevspec = "before:" . $rev;
my $revspec = "revno:" . $rev;
my @cmdline = ("bzr", "diff", "--old", $config{srcdir},
"--new", $config{srcdir},
"-r", $prevspec . ".." . $revspec);
open (my $out, "@cmdline |");
my @lines;
while (my $line=<$out>) {
last if defined $maxlines && @lines == $maxlines;
push @lines, $line;
}
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if (wantarray) {
return @lines;
}
else {
return join("", @lines);
}
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}
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sub extract_timestamp (@) {
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open (my $out, "-|", @_);
my @log = bzr_log($out);
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if (length(scalar(@log)) < 1) {
return 0;
}
eval q{use Date::Parse};
error($@) if $@;
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my $time = str2time($log[0]->{"timestamp"});
return $time;
}
sub rcs_getctime ($) {
my ($file) = @_;
my @cmdline = ("bzr", "log", "--forward", "--limit", '1', "$config{srcdir}/$file");
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return extract_timestamp(@cmdline);
}
sub rcs_getmtime ($) {
my ($file) = @_;
my @cmdline = ("bzr", "log", "--limit", '1', "$config{srcdir}/$file");
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return extract_timestamp(@cmdline);
}
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