ikiwiki/IkiWiki/Rcs/svn.pm

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#!/usr/bin/perl
use warnings;
use strict;
use IkiWiki;
use POSIX qw(setlocale LC_CTYPE);
package IkiWiki;
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# svn needs LC_CTYPE set to a UTF-8 locale, so try to find one. Any will do.
sub find_lc_ctype() {
my $current = setlocale(LC_CTYPE());
return $current if $current =~ m/UTF-?8$/i;
# Make some obvious attempts to avoid calling `locale -a`
foreach my $locale ("$current.UTF-8", "en_US.UTF-8", "en_GB.UTF-8") {
return $locale if setlocale(LC_CTYPE(), $locale);
}
# Try to get all available locales and pick the first UTF-8 one found.
if (my @locale = grep(/UTF-?8$/i, `locale -a`)) {
chomp @locale;
return $locale[0] if setlocale(LC_CTYPE(), $locale[0]);
}
# fallback to the current locale
return $current;
} # }}}
$ENV{LC_CTYPE} = $ENV{LC_CTYPE} || find_lc_ctype();
sub svn_info ($$) { #{{{
my $field=shift;
my $file=shift;
my $info=`LANG=C svn info $file`;
my ($ret)=$info=~/^$field: (.*)$/m;
return $ret;
} #}}}
sub rcs_update () { #{{{
if (-d "$config{srcdir}/.svn") {
if (system("svn", "update", "--quiet", $config{srcdir}) != 0) {
warn("svn update failed\n");
}
}
} #}}}
sub rcs_prepedit ($) { #{{{
# Prepares to edit a file under revision control. Returns a token
# that must be passed into rcs_commit when the file is ready
# for committing.
# The file is relative to the srcdir.
my $file=shift;
if (-d "$config{srcdir}/.svn") {
# For subversion, return the revision of the file when
# editing begins.
my $rev=svn_info("Revision", "$config{srcdir}/$file");
return defined $rev ? $rev : "";
}
} #}}}
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sub rcs_commit ($$$;$$) { #{{{
# 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;
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my $user=shift;
my $ipaddr=shift;
if (defined $user) {
$message="web commit by $user".(length $message ? ": $message" : "");
}
elsif (defined $ipaddr) {
$message="web commit from $ipaddr".(length $message ? ": $message" : "");
}
if (-d "$config{srcdir}/.svn") {
# Check to see if the page has been changed by someone
# else since rcs_prepedit was called.
my ($oldrev)=$rcstoken=~/^([0-9]+)$/; # untaint
my $rev=svn_info("Revision", "$config{srcdir}/$file");
if (defined $rev && defined $oldrev && $rev != $oldrev) {
# Merge their changes into the file that we've
# changed.
chdir($config{srcdir}); # svn merge wants to be here
if (system("svn", "merge", "--quiet", "-r$oldrev:$rev",
"$config{srcdir}/$file") != 0) {
warn("svn merge -r$oldrev:$rev failed\n");
}
}
if (system("svn", "commit", "--quiet",
"--encoding", "UTF-8", "-m",
possibly_foolish_untaint($message),
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$config{srcdir}) != 0) {
my $conflict=readfile("$config{srcdir}/$file");
if (system("svn", "revert", "--quiet", "$config{srcdir}/$file") != 0) {
warn("svn revert failed\n");
}
return $conflict;
}
}
return undef # success
} #}}}
sub rcs_add ($) { #{{{
# filename is relative to the root of the srcdir
my $file=shift;
if (-d "$config{srcdir}/.svn") {
my $parent=dirname($file);
while (! -d "$config{srcdir}/$parent/.svn") {
$file=$parent;
$parent=dirname($file);
}
if (system("svn", "add", "--quiet", "$config{srcdir}/$file") != 0) {
warn("svn add failed\n");
}
}
} #}}}
sub rcs_recentchanges ($) { #{{{
my $num=shift;
my @ret;
return unless -d "$config{srcdir}/.svn";
eval q{
use Date::Parse;
use XML::SAX;
use XML::Simple;
};
error($@) if $@;
# avoid using XML::SAX::PurePerl, it's buggy with UTF-8 data
my @parsers = map { ${$_}{Name} } @{XML::SAX->parsers()};
do {
$XML::Simple::PREFERRED_PARSER = pop @parsers;
} until $XML::Simple::PREFERRED_PARSER ne 'XML::SAX::PurePerl';
# --limit is only supported on Subversion 1.2.0+
my $svn_version=`svn --version -q`;
my $svn_limit='';
$svn_limit="--limit $num"
if $svn_version =~ /\d\.(\d)\.\d/ && $1 >= 2;
my $svn_url=svn_info("URL", $config{srcdir});
my $xml = XMLin(scalar `svn $svn_limit --xml -v log '$svn_url'`,
ForceArray => [ 'logentry', 'path' ],
GroupTags => { paths => 'path' },
KeyAttr => { path => 'content' },
);
foreach my $logentry (@{$xml->{logentry}}) {
my (@pages, @message);
my $rev = $logentry->{revision};
my $user = $logentry->{author};
my $when=time - str2time($logentry->{date}, 'UTC');
foreach my $msgline (split(/\n/, $logentry->{msg})) {
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push @message, { line => $msgline };
}
my $committype="web";
if (defined $message[0] &&
$message[0]->{line}=~/$config{web_commit_regexp}/) {
$user=defined $2 ? "$2" : "$3";
$message[0]->{line}=$4;
}
else {
$committype="svn";
}
foreach (keys %{$logentry->{paths}}) {
next unless /^\/\Q$config{svnpath}\E\/([^ ]+)(?:$|\s)/;
my $file=$1;
my $diffurl=$config{diffurl};
$diffurl=~s/\[\[file\]\]/$file/g;
$diffurl=~s/\[\[r1\]\]/$rev - 1/eg;
$diffurl=~s/\[\[r2\]\]/$rev/g;
push @pages, {
page => pagename($file),
diffurl => $diffurl,
} if length $file;
}
push @ret, { rev => $rev,
user => $user,
committype => $committype,
when => $when,
message => [@message],
pages => [@pages],
} if @pages;
return @ret if @ret >= $num;
}
return @ret;
} #}}}
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sub rcs_notify () { #{{{
if (! exists $ENV{REV}) {
error(gettext("REV is not set, not running from svn post-commit hook, cannot send notifications"));
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}
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my $rev=int(possibly_foolish_untaint($ENV{REV}));
my $user=`svnlook author $config{svnrepo} -r $rev`;
chomp $user;
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my $message=`svnlook log $config{svnrepo} -r $rev`;
if ($message=~/$config{web_commit_regexp}/) {
$user=defined $2 ? "$2" : "$3";
$message=$4;
}
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my @changed_pages;
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foreach my $change (`svnlook changed $config{svnrepo} -r $rev`) {
chomp $change;
if ($change =~ /^[A-Z]+\s+\Q$config{svnpath}\E\/(.*)/) {
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push @changed_pages, $1;
}
}
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require IkiWiki::UserInfo;
send_commit_mails(
sub {
return $message;
},
sub {
`svnlook diff $config{svnrepo} -r $rev --no-diff-deleted`;
}, $user, @changed_pages);
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} #}}}
sub rcs_getctime ($) { #{{{
my $file=shift;
my $svn_log_infoline=qr/^r\d+\s+\|\s+[^\s]+\s+\|\s+(\d+-\d+-\d+\s+\d+:\d+:\d+\s+[-+]?\d+).*/;
my $child = open(SVNLOG, "-|");
if (! $child) {
exec("svn", "log", $file) || error("svn log $file failed to run");
}
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my $date;
while (<SVNLOG>) {
if (/$svn_log_infoline/) {
$date=$1;
}
}
close SVNLOG || warn "svn log $file exited $?";
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if (! defined $date) {
warn "failed to parse svn log for $file\n";
return 0;
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}
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eval q{use Date::Parse};
error($@) if $@;
$date=str2time($date);
debug("found ctime ".localtime($date)." for $file");
return $date;
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} #}}}
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