381 lines
9.7 KiB
Perl
381 lines
9.7 KiB
Perl
#!/usr/bin/perl
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package IkiWiki::Plugin::svn;
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use warnings;
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use strict;
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use IkiWiki;
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use POSIX qw(setlocale LC_CTYPE);
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use URI::Escape q{uri_escape_utf8};
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sub import {
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hook(type => "checkconfig", id => "svn", call => \&checkconfig);
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hook(type => "getsetup", id => "svn", call => \&getsetup);
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hook(type => "rcs", id => "rcs_update", call => \&rcs_update);
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hook(type => "rcs", id => "rcs_prepedit", call => \&rcs_prepedit);
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hook(type => "rcs", id => "rcs_commit", call => \&rcs_commit);
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hook(type => "rcs", id => "rcs_commit_staged", call => \&rcs_commit_staged);
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hook(type => "rcs", id => "rcs_add", call => \&rcs_add);
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hook(type => "rcs", id => "rcs_remove", call => \&rcs_remove);
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hook(type => "rcs", id => "rcs_rename", call => \&rcs_rename);
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hook(type => "rcs", id => "rcs_recentchanges", call => \&rcs_recentchanges);
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hook(type => "rcs", id => "rcs_diff", call => \&rcs_diff);
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hook(type => "rcs", id => "rcs_getctime", call => \&rcs_getctime);
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hook(type => "rcs", id => "rcs_getmtime", call => \&rcs_getmtime);
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}
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sub checkconfig () {
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if (! defined $config{svnpath}) {
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$config{svnpath}="trunk";
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}
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if (exists $config{svnpath}) {
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# code depends on the path not having extraneous slashes
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$config{svnpath}=~tr#/#/#s;
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$config{svnpath}=~s/\/$//;
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$config{svnpath}=~s/^\///;
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}
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if (defined $config{svn_wrapper} && length $config{svn_wrapper}) {
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push @{$config{wrappers}}, {
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wrapper => $config{svn_wrapper},
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wrappermode => (defined $config{svn_wrappermode} ? $config{svn_wrappermode} : "04755"),
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};
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}
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}
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sub getsetup () {
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return
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plugin => {
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safe => 0, # rcs plugin
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rebuild => undef,
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section => "rcs",
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},
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svnrepo => {
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type => "string",
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example => "/svn/wiki",
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description => "subversion repository location",
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safe => 0, # path
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rebuild => 0,
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},
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svnpath => {
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type => "string",
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example => "trunk",
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description => "path inside repository where the wiki is located",
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safe => 0, # paranoia
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rebuild => 0,
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},
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svn_wrapper => {
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type => "string",
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example => "/svn/wikirepo/hooks/post-commit",
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description => "svn post-commit hook to generate",
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safe => 0, # file
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rebuild => 0,
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},
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svn_wrappermode => {
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type => "string",
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example => '04755',
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description => "mode for svn_wrapper (can safely be made suid)",
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safe => 0,
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rebuild => 0,
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},
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historyurl => {
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type => "string",
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example => "http://svn.example.org/trunk/[[file]]",
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description => "viewvc url to show file history ([[file]] substituted)",
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safe => 1,
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rebuild => 1,
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},
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diffurl => {
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type => "string",
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example => "http://svn.example.org/trunk/[[file]]?root=wiki&r1=[[r1]]&r2=[[r2]]",
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description => "viewvc url to show a diff ([[file]], [[r1]], and [[r2]] substituted)",
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safe => 1,
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rebuild => 1,
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},
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}
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# svn needs LC_CTYPE set to a UTF-8 locale, so try to find one. Any will do.
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sub find_lc_ctype() {
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my $current = setlocale(LC_CTYPE());
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return $current if $current =~ m/UTF-?8$/i;
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# Make some obvious attempts to avoid calling `locale -a`
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foreach my $locale ("$current.UTF-8", "en_US.UTF-8", "en_GB.UTF-8") {
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return $locale if setlocale(LC_CTYPE(), $locale);
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}
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# Try to get all available locales and pick the first UTF-8 one found.
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if (my @locale = grep(/UTF-?8$/i, `locale -a`)) {
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chomp @locale;
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return $locale[0] if setlocale(LC_CTYPE(), $locale[0]);
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}
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# fallback to the current locale
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return $current;
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}
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$ENV{LC_CTYPE} = $ENV{LC_CTYPE} || find_lc_ctype();
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sub svn_info ($$) {
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my $field=shift;
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my $file=shift;
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my $info=`LANG=C svn info $file`;
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my ($ret)=$info=~/^$field: (.*)$/m;
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return $ret;
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}
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sub rcs_update () {
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if (system("svn", "update", "--quiet", $config{srcdir}) != 0) {
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warn("svn update failed\n");
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}
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}
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sub rcs_prepedit ($) {
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# Prepares to edit a file under revision control. Returns a token
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# that must be passed into rcs_commit when the file is ready
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# for committing.
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# The file is relative to the srcdir.
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my $file=shift;
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# For subversion, return the revision of the file when
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# editing begins.
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my $rev=svn_info("Revision", "$config{srcdir}/$file");
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return defined $rev ? $rev : "";
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}
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sub commitmessage (@) {
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my %params=@_;
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if (defined $params{session}) {
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if (defined $params{session}->param("name")) {
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return "web commit by ".
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$params{session}->param("name").
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(length $params{message} ? ": $params{message}" : "");
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}
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elsif (defined $params{session}->remote_addr()) {
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return "web commit from ".
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$params{session}->remote_addr().
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(length $params{message} ? ": $params{message}" : "");
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}
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}
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return $params{message};
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}
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sub rcs_commit (@) {
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# Tries to commit the page; returns undef on _success_ and
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# a version of the page with the rcs's conflict markers on failure.
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# The file is relative to the srcdir.
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my %params=@_;
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# Check to see if the page has been changed by someone
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# else since rcs_prepedit was called.
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my ($oldrev)=$params{token}=~/^([0-9]+)$/; # untaint
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my $rev=svn_info("Revision", "$config{srcdir}/$params{file}");
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if (defined $rev && defined $oldrev && $rev != $oldrev) {
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# Merge their changes into the file that we've
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# changed.
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if (system("svn", "merge", "--quiet", "-r$oldrev:$rev",
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"$config{srcdir}/$params{file}", "$config{srcdir}/$params{file}") != 0) {
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warn("svn merge -r$oldrev:$rev failed\n");
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}
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}
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if (system("svn", "commit", "--quiet",
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"--encoding", "UTF-8", "-m",
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IkiWiki::possibly_foolish_untaint(commitmessage(%params)),
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$config{srcdir}) != 0) {
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my $conflict=readfile("$config{srcdir}/$params{file}");
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if (system("svn", "revert", "--quiet", "$config{srcdir}/$params{file}") != 0) {
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warn("svn revert failed\n");
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}
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return $conflict;
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}
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return undef # success
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}
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sub rcs_commit_staged (@) {
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# Commits all staged changes. Changes can be staged using rcs_add,
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# rcs_remove, and rcs_rename.
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my %params=@_;
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if (system("svn", "commit", "--quiet",
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"--encoding", "UTF-8", "-m",
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IkiWiki::possibly_foolish_untaint(commitmessage(%params)),
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$config{srcdir}) != 0) {
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warn("svn commit failed\n");
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return 1; # failure
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}
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return undef # success
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}
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sub rcs_add ($) {
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# filename is relative to the root of the srcdir
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my $file=shift;
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if (system("svn", "add", "--parents", "--quiet", "$config{srcdir}/$file") != 0) {
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warn("svn add failed\n");
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}
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}
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sub rcs_remove ($) {
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# filename is relative to the root of the srcdir
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my $file=shift;
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if (system("svn", "rm", "--force", "--quiet", "$config{srcdir}/$file") != 0) {
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warn("svn rm failed\n");
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}
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}
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sub rcs_rename ($$) {
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# filenames relative to the root of the srcdir
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my ($src, $dest)=@_;
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if (system("svn", "mv", "--parents", "--force", "--quiet",
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"$config{srcdir}/$src", "$config{srcdir}/$dest") != 0) {
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warn("svn rename failed\n");
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}
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}
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sub rcs_recentchanges ($) {
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my $num=shift;
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my @ret;
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eval q{
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use Date::Parse;
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use XML::SAX;
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use XML::Simple;
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};
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error($@) if $@;
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# avoid using XML::SAX::PurePerl, it's buggy with UTF-8 data
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my @parsers = map { ${$_}{Name} } @{XML::SAX->parsers()};
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do {
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$XML::Simple::PREFERRED_PARSER = pop @parsers;
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} until $XML::Simple::PREFERRED_PARSER ne 'XML::SAX::PurePerl';
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# --limit is only supported on Subversion 1.2.0+
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my $svn_version=`svn --version -q`;
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my $svn_limit='';
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$svn_limit="--limit $num"
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if $svn_version =~ /\d\.(\d)\.\d/ && $1 >= 2;
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my $svn_url=svn_info("URL", $config{srcdir});
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my $xml = XMLin(scalar `svn $svn_limit --xml -v log '$svn_url'`,
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ForceArray => [ 'logentry', 'path' ],
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GroupTags => { paths => 'path' },
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KeyAttr => { path => 'content' },
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);
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foreach my $logentry (@{$xml->{logentry}}) {
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my (@pages, @message);
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my $rev = $logentry->{revision};
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my $user = $logentry->{author};
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my $when=str2time($logentry->{date}, 'UTC');
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foreach my $msgline (split(/\n/, $logentry->{msg})) {
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push @message, { line => $msgline };
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}
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my $committype="web";
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if (defined $message[0] &&
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$message[0]->{line}=~/$config{web_commit_regexp}/) {
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$user=defined $2 ? "$2" : "$3";
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$message[0]->{line}=$4;
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}
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else {
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$committype="svn";
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}
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foreach my $file (keys %{$logentry->{paths}}) {
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if (length $config{svnpath}) {
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next unless $file=~/^\/\Q$config{svnpath}\E\/([^ ]+)(?:$|\s)/;
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$file=$1;
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}
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my $diffurl=defined $config{diffurl} ? $config{diffurl} : "";
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my $efile = uri_escape_utf8($file);
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$diffurl=~s/\[\[file\]\]/$efile/g;
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$diffurl=~s/\[\[r1\]\]/$rev - 1/eg;
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$diffurl=~s/\[\[r2\]\]/$rev/g;
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push @pages, {
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page => pagename($file),
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diffurl => $diffurl,
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} if length $file;
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}
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push @ret, {
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rev => $rev,
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user => $user,
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committype => $committype,
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when => $when,
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message => [@message],
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pages => [@pages],
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} if @pages;
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return @ret if @ret >= $num;
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}
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return @ret;
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}
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sub rcs_diff ($;$) {
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my $rev=IkiWiki::possibly_foolish_untaint(int(shift));
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my $maxlines=shift;
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return `svnlook diff $config{svnrepo} -r$rev --no-diff-deleted`;
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}
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{
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my ($lastfile, $lastmtime, $lastctime);
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sub findtimes ($) {
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my $file=shift;
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if (defined $lastfile && $lastfile eq $file) {
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return $lastmtime, $lastctime;
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}
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$lastfile=$file;
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my $svn_log_infoline=qr/^r\d+\s+\|\s+[^\s]+\s+\|\s+(\d+-\d+-\d+\s+\d+:\d+:\d+\s+[-+]?\d+).*/;
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my $child = open(SVNLOG, "-|");
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if (! $child) {
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exec("svn", "log", "$config{srcdir}/$file") || error("svn log failed to run");
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}
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my ($cdate, $mdate);
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while (<SVNLOG>) {
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if (/$svn_log_infoline/) {
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$cdate=$1;
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$mdate=$1 unless defined $mdate;
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}
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}
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close SVNLOG || error "svn log exited $?";
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if (! defined $cdate) {
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error "failed to parse svn log for $file";
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}
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eval q{use Date::Parse};
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error($@) if $@;
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$lastctime=str2time($cdate);
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$lastmtime=str2time($mdate);
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return $lastmtime, $lastctime;
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}
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}
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sub rcs_getctime ($) {
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my $file=shift;
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return (findtimes($file))[1];
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}
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sub rcs_getmtime ($) {
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my $file=shift;
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return (findtimes($file))[0];
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}
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1
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