2582ab18e4
Most of these were found using Lucas De Marchi's codespell tool. Others were pointed out by Eric Sunshine. Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Acked-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
1361 lines
40 KiB
Perl
Executable File
1361 lines
40 KiB
Perl
Executable File
#! /usr/bin/perl
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# Copyright (C) 2011
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# Jérémie Nikaes <jeremie.nikaes@ensimag.imag.fr>
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# Arnaud Lacurie <arnaud.lacurie@ensimag.imag.fr>
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# Claire Fousse <claire.fousse@ensimag.imag.fr>
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# David Amouyal <david.amouyal@ensimag.imag.fr>
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# Matthieu Moy <matthieu.moy@grenoble-inp.fr>
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# License: GPL v2 or later
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# Gateway between Git and MediaWiki.
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# Documentation & bugtracker: https://github.com/moy/Git-Mediawiki/
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use strict;
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use MediaWiki::API;
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use DateTime::Format::ISO8601;
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# By default, use UTF-8 to communicate with Git and the user
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binmode STDERR, ":utf8";
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binmode STDOUT, ":utf8";
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use URI::Escape;
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use IPC::Open2;
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use warnings;
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# Mediawiki filenames can contain forward slashes. This variable decides by which pattern they should be replaced
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use constant SLASH_REPLACEMENT => "%2F";
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# It's not always possible to delete pages (may require some
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# privileges). Deleted pages are replaced with this content.
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use constant DELETED_CONTENT => "[[Category:Deleted]]\n";
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# It's not possible to create empty pages. New empty files in Git are
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# sent with this content instead.
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use constant EMPTY_CONTENT => "<!-- empty page -->\n";
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# used to reflect file creation or deletion in diff.
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use constant NULL_SHA1 => "0000000000000000000000000000000000000000";
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# Used on Git's side to reflect empty edit messages on the wiki
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use constant EMPTY_MESSAGE => '*Empty MediaWiki Message*';
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my $remotename = $ARGV[0];
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my $url = $ARGV[1];
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# Accept both space-separated and multiple keys in config file.
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# Spaces should be written as _ anyway because we'll use chomp.
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my @tracked_pages = split(/[ \n]/, run_git("config --get-all remote.". $remotename .".pages"));
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chomp(@tracked_pages);
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# Just like @tracked_pages, but for MediaWiki categories.
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my @tracked_categories = split(/[ \n]/, run_git("config --get-all remote.". $remotename .".categories"));
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chomp(@tracked_categories);
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# Import media files on pull
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my $import_media = run_git("config --get --bool remote.". $remotename .".mediaimport");
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chomp($import_media);
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$import_media = ($import_media eq "true");
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# Export media files on push
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my $export_media = run_git("config --get --bool remote.". $remotename .".mediaexport");
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chomp($export_media);
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$export_media = !($export_media eq "false");
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my $wiki_login = run_git("config --get remote.". $remotename .".mwLogin");
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# Note: mwPassword is discourraged. Use the credential system instead.
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my $wiki_passwd = run_git("config --get remote.". $remotename .".mwPassword");
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my $wiki_domain = run_git("config --get remote.". $remotename .".mwDomain");
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chomp($wiki_login);
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chomp($wiki_passwd);
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chomp($wiki_domain);
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# Import only last revisions (both for clone and fetch)
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my $shallow_import = run_git("config --get --bool remote.". $remotename .".shallow");
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chomp($shallow_import);
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$shallow_import = ($shallow_import eq "true");
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# Fetch (clone and pull) by revisions instead of by pages. This behavior
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# is more efficient when we have a wiki with lots of pages and we fetch
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# the revisions quite often so that they concern only few pages.
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# Possible values:
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# - by_rev: perform one query per new revision on the remote wiki
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# - by_page: query each tracked page for new revision
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my $fetch_strategy = run_git("config --get remote.$remotename.fetchStrategy");
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unless ($fetch_strategy) {
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$fetch_strategy = run_git("config --get mediawiki.fetchStrategy");
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}
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chomp($fetch_strategy);
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unless ($fetch_strategy) {
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$fetch_strategy = "by_page";
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}
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# Dumb push: don't update notes and mediawiki ref to reflect the last push.
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#
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# Configurable with mediawiki.dumbPush, or per-remote with
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# remote.<remotename>.dumbPush.
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#
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# This means the user will have to re-import the just-pushed
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# revisions. On the other hand, this means that the Git revisions
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# corresponding to MediaWiki revisions are all imported from the wiki,
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# regardless of whether they were initially created in Git or from the
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# web interface, hence all users will get the same history (i.e. if
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# the push from Git to MediaWiki loses some information, everybody
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# will get the history with information lost). If the import is
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# deterministic, this means everybody gets the same sha1 for each
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# MediaWiki revision.
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my $dumb_push = run_git("config --get --bool remote.$remotename.dumbPush");
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unless ($dumb_push) {
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$dumb_push = run_git("config --get --bool mediawiki.dumbPush");
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}
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chomp($dumb_push);
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$dumb_push = ($dumb_push eq "true");
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my $wiki_name = $url;
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$wiki_name =~ s/[^\/]*:\/\///;
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# If URL is like http://user:password@example.com/, we clearly don't
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# want the password in $wiki_name. While we're there, also remove user
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# and '@' sign, to avoid author like MWUser@HTTPUser@host.com
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$wiki_name =~ s/^.*@//;
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# Commands parser
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my $entry;
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my @cmd;
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while (<STDIN>) {
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chomp;
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@cmd = split(/ /);
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if (defined($cmd[0])) {
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# Line not blank
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if ($cmd[0] eq "capabilities") {
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die("Too many arguments for capabilities") unless (!defined($cmd[1]));
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mw_capabilities();
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} elsif ($cmd[0] eq "list") {
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die("Too many arguments for list") unless (!defined($cmd[2]));
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mw_list($cmd[1]);
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} elsif ($cmd[0] eq "import") {
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die("Invalid arguments for import") unless ($cmd[1] ne "" && !defined($cmd[2]));
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mw_import($cmd[1]);
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} elsif ($cmd[0] eq "option") {
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die("Too many arguments for option") unless ($cmd[1] ne "" && $cmd[2] ne "" && !defined($cmd[3]));
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mw_option($cmd[1],$cmd[2]);
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} elsif ($cmd[0] eq "push") {
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mw_push($cmd[1]);
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} else {
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print STDERR "Unknown command. Aborting...\n";
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last;
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}
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} else {
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# blank line: we should terminate
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last;
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}
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BEGIN { $| = 1 } # flush STDOUT, to make sure the previous
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# command is fully processed.
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}
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########################## Functions ##############################
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## credential API management (generic functions)
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sub credential_read {
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my %credential;
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my $reader = shift;
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my $op = shift;
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while (<$reader>) {
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my ($key, $value) = /([^=]*)=(.*)/;
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if (not defined $key) {
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die "ERROR receiving response from git credential $op:\n$_\n";
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}
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$credential{$key} = $value;
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}
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return %credential;
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}
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sub credential_write {
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my $credential = shift;
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my $writer = shift;
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# url overwrites other fields, so it must come first
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print $writer "url=$credential->{url}\n" if exists $credential->{url};
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while (my ($key, $value) = each(%$credential) ) {
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if (length $value && $key ne 'url') {
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print $writer "$key=$value\n";
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}
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}
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}
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sub credential_run {
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my $op = shift;
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my $credential = shift;
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my $pid = open2(my $reader, my $writer, "git credential $op");
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credential_write($credential, $writer);
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print $writer "\n";
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close($writer);
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if ($op eq "fill") {
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%$credential = credential_read($reader, $op);
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} else {
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if (<$reader>) {
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die "ERROR while running git credential $op:\n$_";
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}
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}
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close($reader);
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waitpid($pid, 0);
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my $child_exit_status = $? >> 8;
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if ($child_exit_status != 0) {
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die "'git credential $op' failed with code $child_exit_status.";
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}
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}
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# MediaWiki API instance, created lazily.
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my $mediawiki;
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sub mw_connect_maybe {
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if ($mediawiki) {
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return;
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}
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$mediawiki = MediaWiki::API->new;
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$mediawiki->{config}->{api_url} = "$url/api.php";
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if ($wiki_login) {
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my %credential = (url => $url);
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$credential{username} = $wiki_login;
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$credential{password} = $wiki_passwd;
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credential_run("fill", \%credential);
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my $request = {lgname => $credential{username},
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lgpassword => $credential{password},
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lgdomain => $wiki_domain};
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if ($mediawiki->login($request)) {
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credential_run("approve", \%credential);
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print STDERR "Logged in mediawiki user \"$credential{username}\".\n";
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} else {
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print STDERR "Failed to log in mediawiki user \"$credential{username}\" on $url\n";
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print STDERR " (error " .
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$mediawiki->{error}->{code} . ': ' .
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$mediawiki->{error}->{details} . ")\n";
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credential_run("reject", \%credential);
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exit 1;
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}
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}
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}
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## Functions for listing pages on the remote wiki
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sub get_mw_tracked_pages {
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my $pages = shift;
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get_mw_page_list(\@tracked_pages, $pages);
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}
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sub get_mw_page_list {
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my $page_list = shift;
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my $pages = shift;
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my @some_pages = @$page_list;
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while (@some_pages) {
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my $last = 50;
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if ($#some_pages < $last) {
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$last = $#some_pages;
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}
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my @slice = @some_pages[0..$last];
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get_mw_first_pages(\@slice, $pages);
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@some_pages = @some_pages[51..$#some_pages];
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}
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}
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sub get_mw_tracked_categories {
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my $pages = shift;
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foreach my $category (@tracked_categories) {
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if (index($category, ':') < 0) {
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# Mediawiki requires the Category
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# prefix, but let's not force the user
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# to specify it.
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$category = "Category:" . $category;
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}
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my $mw_pages = $mediawiki->list( {
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action => 'query',
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list => 'categorymembers',
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cmtitle => $category,
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cmlimit => 'max' } )
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|| die $mediawiki->{error}->{code} . ': '
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. $mediawiki->{error}->{details};
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foreach my $page (@{$mw_pages}) {
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$pages->{$page->{title}} = $page;
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}
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}
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}
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sub get_mw_all_pages {
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my $pages = shift;
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# No user-provided list, get the list of pages from the API.
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my $mw_pages = $mediawiki->list({
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action => 'query',
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list => 'allpages',
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aplimit => 'max'
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});
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if (!defined($mw_pages)) {
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print STDERR "fatal: could not get the list of wiki pages.\n";
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print STDERR "fatal: '$url' does not appear to be a mediawiki\n";
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print STDERR "fatal: make sure '$url/api.php' is a valid page.\n";
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exit 1;
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}
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foreach my $page (@{$mw_pages}) {
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$pages->{$page->{title}} = $page;
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}
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}
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# queries the wiki for a set of pages. Meant to be used within a loop
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# querying the wiki for slices of page list.
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sub get_mw_first_pages {
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my $some_pages = shift;
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my @some_pages = @{$some_pages};
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my $pages = shift;
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# pattern 'page1|page2|...' required by the API
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my $titles = join('|', @some_pages);
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my $mw_pages = $mediawiki->api({
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action => 'query',
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titles => $titles,
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});
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if (!defined($mw_pages)) {
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print STDERR "fatal: could not query the list of wiki pages.\n";
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print STDERR "fatal: '$url' does not appear to be a mediawiki\n";
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print STDERR "fatal: make sure '$url/api.php' is a valid page.\n";
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exit 1;
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}
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while (my ($id, $page) = each(%{$mw_pages->{query}->{pages}})) {
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if ($id < 0) {
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print STDERR "Warning: page $page->{title} not found on wiki\n";
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} else {
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$pages->{$page->{title}} = $page;
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}
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}
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}
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# Get the list of pages to be fetched according to configuration.
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sub get_mw_pages {
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mw_connect_maybe();
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print STDERR "Listing pages on remote wiki...\n";
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my %pages; # hash on page titles to avoid duplicates
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my $user_defined;
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if (@tracked_pages) {
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$user_defined = 1;
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# The user provided a list of pages titles, but we
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# still need to query the API to get the page IDs.
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get_mw_tracked_pages(\%pages);
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}
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if (@tracked_categories) {
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$user_defined = 1;
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get_mw_tracked_categories(\%pages);
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}
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if (!$user_defined) {
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get_mw_all_pages(\%pages);
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}
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if ($import_media) {
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print STDERR "Getting media files for selected pages...\n";
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if ($user_defined) {
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get_linked_mediafiles(\%pages);
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} else {
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get_all_mediafiles(\%pages);
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}
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}
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print STDERR (scalar keys %pages) . " pages found.\n";
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return %pages;
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}
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# usage: $out = run_git("command args");
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# $out = run_git("command args", "raw"); # don't interpret output as UTF-8.
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sub run_git {
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my $args = shift;
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my $encoding = (shift || "encoding(UTF-8)");
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open(my $git, "-|:$encoding", "git " . $args);
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my $res = do { local $/; <$git> };
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close($git);
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return $res;
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}
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sub get_all_mediafiles {
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my $pages = shift;
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# Attach list of all pages for media files from the API,
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# they are in a different namespace, only one namespace
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# can be queried at the same moment
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my $mw_pages = $mediawiki->list({
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action => 'query',
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list => 'allpages',
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apnamespace => get_mw_namespace_id("File"),
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aplimit => 'max'
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});
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if (!defined($mw_pages)) {
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print STDERR "fatal: could not get the list of pages for media files.\n";
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print STDERR "fatal: '$url' does not appear to be a mediawiki\n";
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print STDERR "fatal: make sure '$url/api.php' is a valid page.\n";
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exit 1;
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}
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foreach my $page (@{$mw_pages}) {
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$pages->{$page->{title}} = $page;
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}
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}
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sub get_linked_mediafiles {
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my $pages = shift;
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my @titles = map $_->{title}, values(%{$pages});
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# The query is split in small batches because of the MW API limit of
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# the number of links to be returned (500 links max).
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my $batch = 10;
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while (@titles) {
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if ($#titles < $batch) {
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$batch = $#titles;
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}
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my @slice = @titles[0..$batch];
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# pattern 'page1|page2|...' required by the API
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my $mw_titles = join('|', @slice);
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# Media files could be included or linked from
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# a page, get all related
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my $query = {
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action => 'query',
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prop => 'links|images',
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titles => $mw_titles,
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plnamespace => get_mw_namespace_id("File"),
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pllimit => 'max'
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};
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my $result = $mediawiki->api($query);
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while (my ($id, $page) = each(%{$result->{query}->{pages}})) {
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my @media_titles;
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if (defined($page->{links})) {
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my @link_titles = map $_->{title}, @{$page->{links}};
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push(@media_titles, @link_titles);
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}
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if (defined($page->{images})) {
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my @image_titles = map $_->{title}, @{$page->{images}};
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push(@media_titles, @image_titles);
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}
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if (@media_titles) {
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get_mw_page_list(\@media_titles, $pages);
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}
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}
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@titles = @titles[($batch+1)..$#titles];
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}
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}
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sub get_mw_mediafile_for_page_revision {
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# Name of the file on Wiki, with the prefix.
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my $filename = shift;
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my $timestamp = shift;
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my %mediafile;
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# Search if on a media file with given timestamp exists on
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# MediaWiki. In that case download the file.
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my $query = {
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action => 'query',
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prop => 'imageinfo',
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titles => "File:" . $filename,
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iistart => $timestamp,
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iiend => $timestamp,
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iiprop => 'timestamp|archivename|url',
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iilimit => 1
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};
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my $result = $mediawiki->api($query);
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my ($fileid, $file) = each( %{$result->{query}->{pages}} );
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# If not defined it means there is no revision of the file for
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# given timestamp.
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if (defined($file->{imageinfo})) {
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$mediafile{title} = $filename;
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my $fileinfo = pop(@{$file->{imageinfo}});
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$mediafile{timestamp} = $fileinfo->{timestamp};
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# Mediawiki::API's download function doesn't support https URLs
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# and can't download old versions of files.
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print STDERR "\tDownloading file $mediafile{title}, version $mediafile{timestamp}\n";
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$mediafile{content} = download_mw_mediafile($fileinfo->{url});
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}
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return %mediafile;
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}
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sub download_mw_mediafile {
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|
my $url = shift;
|
|
|
|
my $response = $mediawiki->{ua}->get($url);
|
|
if ($response->code == 200) {
|
|
return $response->decoded_content;
|
|
} else {
|
|
print STDERR "Error downloading mediafile from :\n";
|
|
print STDERR "URL: $url\n";
|
|
print STDERR "Server response: " . $response->code . " " . $response->message . "\n";
|
|
exit 1;
|
|
}
|
|
}
|
|
|
|
sub get_last_local_revision {
|
|
# Get note regarding last mediawiki revision
|
|
my $note = run_git("notes --ref=$remotename/mediawiki show refs/mediawiki/$remotename/master 2>/dev/null");
|
|
my @note_info = split(/ /, $note);
|
|
|
|
my $lastrevision_number;
|
|
if (!(defined($note_info[0]) && $note_info[0] eq "mediawiki_revision:")) {
|
|
print STDERR "No previous mediawiki revision found";
|
|
$lastrevision_number = 0;
|
|
} else {
|
|
# Notes are formatted : mediawiki_revision: #number
|
|
$lastrevision_number = $note_info[1];
|
|
chomp($lastrevision_number);
|
|
print STDERR "Last local mediawiki revision found is $lastrevision_number";
|
|
}
|
|
return $lastrevision_number;
|
|
}
|
|
|
|
# Remember the timestamp corresponding to a revision id.
|
|
my %basetimestamps;
|
|
|
|
# Get the last remote revision without taking in account which pages are
|
|
# tracked or not. This function makes a single request to the wiki thus
|
|
# avoid a loop onto all tracked pages. This is useful for the fetch-by-rev
|
|
# option.
|
|
sub get_last_global_remote_rev {
|
|
mw_connect_maybe();
|
|
|
|
my $query = {
|
|
action => 'query',
|
|
list => 'recentchanges',
|
|
prop => 'revisions',
|
|
rclimit => '1',
|
|
rcdir => 'older',
|
|
};
|
|
my $result = $mediawiki->api($query);
|
|
return $result->{query}->{recentchanges}[0]->{revid};
|
|
}
|
|
|
|
# Get the last remote revision concerning the tracked pages and the tracked
|
|
# categories.
|
|
sub get_last_remote_revision {
|
|
mw_connect_maybe();
|
|
|
|
my %pages_hash = get_mw_pages();
|
|
my @pages = values(%pages_hash);
|
|
|
|
my $max_rev_num = 0;
|
|
|
|
print STDERR "Getting last revision id on tracked pages...\n";
|
|
|
|
foreach my $page (@pages) {
|
|
my $id = $page->{pageid};
|
|
|
|
my $query = {
|
|
action => 'query',
|
|
prop => 'revisions',
|
|
rvprop => 'ids|timestamp',
|
|
pageids => $id,
|
|
};
|
|
|
|
my $result = $mediawiki->api($query);
|
|
|
|
my $lastrev = pop(@{$result->{query}->{pages}->{$id}->{revisions}});
|
|
|
|
$basetimestamps{$lastrev->{revid}} = $lastrev->{timestamp};
|
|
|
|
$max_rev_num = ($lastrev->{revid} > $max_rev_num ? $lastrev->{revid} : $max_rev_num);
|
|
}
|
|
|
|
print STDERR "Last remote revision found is $max_rev_num.\n";
|
|
return $max_rev_num;
|
|
}
|
|
|
|
# Clean content before sending it to MediaWiki
|
|
sub mediawiki_clean {
|
|
my $string = shift;
|
|
my $page_created = shift;
|
|
# Mediawiki does not allow blank space at the end of a page and ends with a single \n.
|
|
# This function right trims a string and adds a \n at the end to follow this rule
|
|
$string =~ s/\s+$//;
|
|
if ($string eq "" && $page_created) {
|
|
# Creating empty pages is forbidden.
|
|
$string = EMPTY_CONTENT;
|
|
}
|
|
return $string."\n";
|
|
}
|
|
|
|
# Filter applied on MediaWiki data before adding them to Git
|
|
sub mediawiki_smudge {
|
|
my $string = shift;
|
|
if ($string eq EMPTY_CONTENT) {
|
|
$string = "";
|
|
}
|
|
# This \n is important. This is due to mediawiki's way to handle end of files.
|
|
return $string."\n";
|
|
}
|
|
|
|
sub mediawiki_clean_filename {
|
|
my $filename = shift;
|
|
$filename =~ s/@{[SLASH_REPLACEMENT]}/\//g;
|
|
# [, ], |, {, and } are forbidden by MediaWiki, even URL-encoded.
|
|
# Do a variant of URL-encoding, i.e. looks like URL-encoding,
|
|
# but with _ added to prevent MediaWiki from thinking this is
|
|
# an actual special character.
|
|
$filename =~ s/[\[\]\{\}\|]/sprintf("_%%_%x", ord($&))/ge;
|
|
# If we use the uri escape before
|
|
# we should unescape here, before anything
|
|
|
|
return $filename;
|
|
}
|
|
|
|
sub mediawiki_smudge_filename {
|
|
my $filename = shift;
|
|
$filename =~ s/\//@{[SLASH_REPLACEMENT]}/g;
|
|
$filename =~ s/ /_/g;
|
|
# Decode forbidden characters encoded in mediawiki_clean_filename
|
|
$filename =~ s/_%_([0-9a-fA-F][0-9a-fA-F])/sprintf("%c", hex($1))/ge;
|
|
return $filename;
|
|
}
|
|
|
|
sub literal_data {
|
|
my ($content) = @_;
|
|
print STDOUT "data ", bytes::length($content), "\n", $content;
|
|
}
|
|
|
|
sub literal_data_raw {
|
|
# Output possibly binary content.
|
|
my ($content) = @_;
|
|
# Avoid confusion between size in bytes and in characters
|
|
utf8::downgrade($content);
|
|
binmode STDOUT, ":raw";
|
|
print STDOUT "data ", bytes::length($content), "\n", $content;
|
|
binmode STDOUT, ":utf8";
|
|
}
|
|
|
|
sub mw_capabilities {
|
|
# Revisions are imported to the private namespace
|
|
# refs/mediawiki/$remotename/ by the helper and fetched into
|
|
# refs/remotes/$remotename later by fetch.
|
|
print STDOUT "refspec refs/heads/*:refs/mediawiki/$remotename/*\n";
|
|
print STDOUT "import\n";
|
|
print STDOUT "list\n";
|
|
print STDOUT "push\n";
|
|
print STDOUT "\n";
|
|
}
|
|
|
|
sub mw_list {
|
|
# MediaWiki do not have branches, we consider one branch arbitrarily
|
|
# called master, and HEAD pointing to it.
|
|
print STDOUT "? refs/heads/master\n";
|
|
print STDOUT "\@refs/heads/master HEAD\n";
|
|
print STDOUT "\n";
|
|
}
|
|
|
|
sub mw_option {
|
|
print STDERR "remote-helper command 'option $_[0]' not yet implemented\n";
|
|
print STDOUT "unsupported\n";
|
|
}
|
|
|
|
sub fetch_mw_revisions_for_page {
|
|
my $page = shift;
|
|
my $id = shift;
|
|
my $fetch_from = shift;
|
|
my @page_revs = ();
|
|
my $query = {
|
|
action => 'query',
|
|
prop => 'revisions',
|
|
rvprop => 'ids',
|
|
rvdir => 'newer',
|
|
rvstartid => $fetch_from,
|
|
rvlimit => 500,
|
|
pageids => $id,
|
|
};
|
|
|
|
my $revnum = 0;
|
|
# Get 500 revisions at a time due to the mediawiki api limit
|
|
while (1) {
|
|
my $result = $mediawiki->api($query);
|
|
|
|
# Parse each of those 500 revisions
|
|
foreach my $revision (@{$result->{query}->{pages}->{$id}->{revisions}}) {
|
|
my $page_rev_ids;
|
|
$page_rev_ids->{pageid} = $page->{pageid};
|
|
$page_rev_ids->{revid} = $revision->{revid};
|
|
push(@page_revs, $page_rev_ids);
|
|
$revnum++;
|
|
}
|
|
last unless $result->{'query-continue'};
|
|
$query->{rvstartid} = $result->{'query-continue'}->{revisions}->{rvstartid};
|
|
}
|
|
if ($shallow_import && @page_revs) {
|
|
print STDERR " Found 1 revision (shallow import).\n";
|
|
@page_revs = sort {$b->{revid} <=> $a->{revid}} (@page_revs);
|
|
return $page_revs[0];
|
|
}
|
|
print STDERR " Found ", $revnum, " revision(s).\n";
|
|
return @page_revs;
|
|
}
|
|
|
|
sub fetch_mw_revisions {
|
|
my $pages = shift; my @pages = @{$pages};
|
|
my $fetch_from = shift;
|
|
|
|
my @revisions = ();
|
|
my $n = 1;
|
|
foreach my $page (@pages) {
|
|
my $id = $page->{pageid};
|
|
|
|
print STDERR "page $n/", scalar(@pages), ": ". $page->{title} ."\n";
|
|
$n++;
|
|
my @page_revs = fetch_mw_revisions_for_page($page, $id, $fetch_from);
|
|
@revisions = (@page_revs, @revisions);
|
|
}
|
|
|
|
return ($n, @revisions);
|
|
}
|
|
|
|
sub fe_escape_path {
|
|
my $path = shift;
|
|
$path =~ s/\\/\\\\/g;
|
|
$path =~ s/"/\\"/g;
|
|
$path =~ s/\n/\\n/g;
|
|
return '"' . $path . '"';
|
|
}
|
|
|
|
sub import_file_revision {
|
|
my $commit = shift;
|
|
my %commit = %{$commit};
|
|
my $full_import = shift;
|
|
my $n = shift;
|
|
my $mediafile = shift;
|
|
my %mediafile;
|
|
if ($mediafile) {
|
|
%mediafile = %{$mediafile};
|
|
}
|
|
|
|
my $title = $commit{title};
|
|
my $comment = $commit{comment};
|
|
my $content = $commit{content};
|
|
my $author = $commit{author};
|
|
my $date = $commit{date};
|
|
|
|
print STDOUT "commit refs/mediawiki/$remotename/master\n";
|
|
print STDOUT "mark :$n\n";
|
|
print STDOUT "committer $author <$author\@$wiki_name> ", $date->epoch, " +0000\n";
|
|
literal_data($comment);
|
|
|
|
# If it's not a clone, we need to know where to start from
|
|
if (!$full_import && $n == 1) {
|
|
print STDOUT "from refs/mediawiki/$remotename/master^0\n";
|
|
}
|
|
if ($content ne DELETED_CONTENT) {
|
|
print STDOUT "M 644 inline " .
|
|
fe_escape_path($title . ".mw") . "\n";
|
|
literal_data($content);
|
|
if (%mediafile) {
|
|
print STDOUT "M 644 inline "
|
|
. fe_escape_path($mediafile{title}) . "\n";
|
|
literal_data_raw($mediafile{content});
|
|
}
|
|
print STDOUT "\n\n";
|
|
} else {
|
|
print STDOUT "D " . fe_escape_path($title . ".mw") . "\n";
|
|
}
|
|
|
|
# mediawiki revision number in the git note
|
|
if ($full_import && $n == 1) {
|
|
print STDOUT "reset refs/notes/$remotename/mediawiki\n";
|
|
}
|
|
print STDOUT "commit refs/notes/$remotename/mediawiki\n";
|
|
print STDOUT "committer $author <$author\@$wiki_name> ", $date->epoch, " +0000\n";
|
|
literal_data("Note added by git-mediawiki during import");
|
|
if (!$full_import && $n == 1) {
|
|
print STDOUT "from refs/notes/$remotename/mediawiki^0\n";
|
|
}
|
|
print STDOUT "N inline :$n\n";
|
|
literal_data("mediawiki_revision: " . $commit{mw_revision});
|
|
print STDOUT "\n\n";
|
|
}
|
|
|
|
# parse a sequence of
|
|
# <cmd> <arg1>
|
|
# <cmd> <arg2>
|
|
# \n
|
|
# (like batch sequence of import and sequence of push statements)
|
|
sub get_more_refs {
|
|
my $cmd = shift;
|
|
my @refs;
|
|
while (1) {
|
|
my $line = <STDIN>;
|
|
if ($line =~ m/^$cmd (.*)$/) {
|
|
push(@refs, $1);
|
|
} elsif ($line eq "\n") {
|
|
return @refs;
|
|
} else {
|
|
die("Invalid command in a '$cmd' batch: ". $_);
|
|
}
|
|
}
|
|
}
|
|
|
|
sub mw_import {
|
|
# multiple import commands can follow each other.
|
|
my @refs = (shift, get_more_refs("import"));
|
|
foreach my $ref (@refs) {
|
|
mw_import_ref($ref);
|
|
}
|
|
print STDOUT "done\n";
|
|
}
|
|
|
|
sub mw_import_ref {
|
|
my $ref = shift;
|
|
# The remote helper will call "import HEAD" and
|
|
# "import refs/heads/master".
|
|
# Since HEAD is a symbolic ref to master (by convention,
|
|
# followed by the output of the command "list" that we gave),
|
|
# we don't need to do anything in this case.
|
|
if ($ref eq "HEAD") {
|
|
return;
|
|
}
|
|
|
|
mw_connect_maybe();
|
|
|
|
print STDERR "Searching revisions...\n";
|
|
my $last_local = get_last_local_revision();
|
|
my $fetch_from = $last_local + 1;
|
|
if ($fetch_from == 1) {
|
|
print STDERR ", fetching from beginning.\n";
|
|
} else {
|
|
print STDERR ", fetching from here.\n";
|
|
}
|
|
|
|
my $n = 0;
|
|
if ($fetch_strategy eq "by_rev") {
|
|
print STDERR "Fetching & writing export data by revs...\n";
|
|
$n = mw_import_ref_by_revs($fetch_from);
|
|
} elsif ($fetch_strategy eq "by_page") {
|
|
print STDERR "Fetching & writing export data by pages...\n";
|
|
$n = mw_import_ref_by_pages($fetch_from);
|
|
} else {
|
|
print STDERR "fatal: invalid fetch strategy \"$fetch_strategy\".\n";
|
|
print STDERR "Check your configuration variables remote.$remotename.fetchStrategy and mediawiki.fetchStrategy\n";
|
|
exit 1;
|
|
}
|
|
|
|
if ($fetch_from == 1 && $n == 0) {
|
|
print STDERR "You appear to have cloned an empty MediaWiki.\n";
|
|
# Something has to be done remote-helper side. If nothing is done, an error is
|
|
# thrown saying that HEAD is referring to unknown object 0000000000000000000
|
|
# and the clone fails.
|
|
}
|
|
}
|
|
|
|
sub mw_import_ref_by_pages {
|
|
|
|
my $fetch_from = shift;
|
|
my %pages_hash = get_mw_pages();
|
|
my @pages = values(%pages_hash);
|
|
|
|
my ($n, @revisions) = fetch_mw_revisions(\@pages, $fetch_from);
|
|
|
|
@revisions = sort {$a->{revid} <=> $b->{revid}} @revisions;
|
|
my @revision_ids = map $_->{revid}, @revisions;
|
|
|
|
return mw_import_revids($fetch_from, \@revision_ids, \%pages_hash);
|
|
}
|
|
|
|
sub mw_import_ref_by_revs {
|
|
|
|
my $fetch_from = shift;
|
|
my %pages_hash = get_mw_pages();
|
|
|
|
my $last_remote = get_last_global_remote_rev();
|
|
my @revision_ids = $fetch_from..$last_remote;
|
|
return mw_import_revids($fetch_from, \@revision_ids, \%pages_hash);
|
|
}
|
|
|
|
# Import revisions given in second argument (array of integers).
|
|
# Only pages appearing in the third argument (hash indexed by page titles)
|
|
# will be imported.
|
|
sub mw_import_revids {
|
|
my $fetch_from = shift;
|
|
my $revision_ids = shift;
|
|
my $pages = shift;
|
|
|
|
my $n = 0;
|
|
my $n_actual = 0;
|
|
my $last_timestamp = 0; # Placeholer in case $rev->timestamp is undefined
|
|
|
|
foreach my $pagerevid (@$revision_ids) {
|
|
# Count page even if we skip it, since we display
|
|
# $n/$total and $total includes skipped pages.
|
|
$n++;
|
|
|
|
# fetch the content of the pages
|
|
my $query = {
|
|
action => 'query',
|
|
prop => 'revisions',
|
|
rvprop => 'content|timestamp|comment|user|ids',
|
|
revids => $pagerevid,
|
|
};
|
|
|
|
my $result = $mediawiki->api($query);
|
|
|
|
if (!$result) {
|
|
die "Failed to retrieve modified page for revision $pagerevid";
|
|
}
|
|
|
|
if (defined($result->{query}->{badrevids}->{$pagerevid})) {
|
|
# The revision id does not exist on the remote wiki.
|
|
next;
|
|
}
|
|
|
|
if (!defined($result->{query}->{pages})) {
|
|
die "Invalid revision $pagerevid.";
|
|
}
|
|
|
|
my @result_pages = values(%{$result->{query}->{pages}});
|
|
my $result_page = $result_pages[0];
|
|
my $rev = $result_pages[0]->{revisions}->[0];
|
|
|
|
my $page_title = $result_page->{title};
|
|
|
|
if (!exists($pages->{$page_title})) {
|
|
print STDERR "$n/", scalar(@$revision_ids),
|
|
": Skipping revision #$rev->{revid} of $page_title\n";
|
|
next;
|
|
}
|
|
|
|
$n_actual++;
|
|
|
|
my %commit;
|
|
$commit{author} = $rev->{user} || 'Anonymous';
|
|
$commit{comment} = $rev->{comment} || EMPTY_MESSAGE;
|
|
$commit{title} = mediawiki_smudge_filename($page_title);
|
|
$commit{mw_revision} = $rev->{revid};
|
|
$commit{content} = mediawiki_smudge($rev->{'*'});
|
|
|
|
if (!defined($rev->{timestamp})) {
|
|
$last_timestamp++;
|
|
} else {
|
|
$last_timestamp = $rev->{timestamp};
|
|
}
|
|
$commit{date} = DateTime::Format::ISO8601->parse_datetime($last_timestamp);
|
|
|
|
# Differentiates classic pages and media files.
|
|
my ($namespace, $filename) = $page_title =~ /^([^:]*):(.*)$/;
|
|
my %mediafile;
|
|
if ($namespace) {
|
|
my $id = get_mw_namespace_id($namespace);
|
|
if ($id && $id == get_mw_namespace_id("File")) {
|
|
%mediafile = get_mw_mediafile_for_page_revision($filename, $rev->{timestamp});
|
|
}
|
|
}
|
|
# If this is a revision of the media page for new version
|
|
# of a file do one common commit for both file and media page.
|
|
# Else do commit only for that page.
|
|
print STDERR "$n/", scalar(@$revision_ids), ": Revision #$rev->{revid} of $commit{title}\n";
|
|
import_file_revision(\%commit, ($fetch_from == 1), $n_actual, \%mediafile);
|
|
}
|
|
|
|
return $n_actual;
|
|
}
|
|
|
|
sub error_non_fast_forward {
|
|
my $advice = run_git("config --bool advice.pushNonFastForward");
|
|
chomp($advice);
|
|
if ($advice ne "false") {
|
|
# Native git-push would show this after the summary.
|
|
# We can't ask it to display it cleanly, so print it
|
|
# ourselves before.
|
|
print STDERR "To prevent you from losing history, non-fast-forward updates were rejected\n";
|
|
print STDERR "Merge the remote changes (e.g. 'git pull') before pushing again. See the\n";
|
|
print STDERR "'Note about fast-forwards' section of 'git push --help' for details.\n";
|
|
}
|
|
print STDOUT "error $_[0] \"non-fast-forward\"\n";
|
|
return 0;
|
|
}
|
|
|
|
sub mw_upload_file {
|
|
my $complete_file_name = shift;
|
|
my $new_sha1 = shift;
|
|
my $extension = shift;
|
|
my $file_deleted = shift;
|
|
my $summary = shift;
|
|
my $newrevid;
|
|
my $path = "File:" . $complete_file_name;
|
|
my %hashFiles = get_allowed_file_extensions();
|
|
if (!exists($hashFiles{$extension})) {
|
|
print STDERR "$complete_file_name is not a permitted file on this wiki.\n";
|
|
print STDERR "Check the configuration of file uploads in your mediawiki.\n";
|
|
return $newrevid;
|
|
}
|
|
# Deleting and uploading a file requires a priviledged user
|
|
if ($file_deleted) {
|
|
mw_connect_maybe();
|
|
my $query = {
|
|
action => 'delete',
|
|
title => $path,
|
|
reason => $summary
|
|
};
|
|
if (!$mediawiki->edit($query)) {
|
|
print STDERR "Failed to delete file on remote wiki\n";
|
|
print STDERR "Check your permissions on the remote site. Error code:\n";
|
|
print STDERR $mediawiki->{error}->{code} . ':' . $mediawiki->{error}->{details};
|
|
exit 1;
|
|
}
|
|
} else {
|
|
# Don't let perl try to interpret file content as UTF-8 => use "raw"
|
|
my $content = run_git("cat-file blob $new_sha1", "raw");
|
|
if ($content ne "") {
|
|
mw_connect_maybe();
|
|
$mediawiki->{config}->{upload_url} =
|
|
"$url/index.php/Special:Upload";
|
|
$mediawiki->edit({
|
|
action => 'upload',
|
|
filename => $complete_file_name,
|
|
comment => $summary,
|
|
file => [undef,
|
|
$complete_file_name,
|
|
Content => $content],
|
|
ignorewarnings => 1,
|
|
}, {
|
|
skip_encoding => 1
|
|
} ) || die $mediawiki->{error}->{code} . ':'
|
|
. $mediawiki->{error}->{details};
|
|
my $last_file_page = $mediawiki->get_page({title => $path});
|
|
$newrevid = $last_file_page->{revid};
|
|
print STDERR "Pushed file: $new_sha1 - $complete_file_name.\n";
|
|
} else {
|
|
print STDERR "Empty file $complete_file_name not pushed.\n";
|
|
}
|
|
}
|
|
return $newrevid;
|
|
}
|
|
|
|
sub mw_push_file {
|
|
my $diff_info = shift;
|
|
# $diff_info contains a string in this format:
|
|
# 100644 100644 <sha1_of_blob_before_commit> <sha1_of_blob_now> <status>
|
|
my @diff_info_split = split(/[ \t]/, $diff_info);
|
|
|
|
# Filename, including .mw extension
|
|
my $complete_file_name = shift;
|
|
# Commit message
|
|
my $summary = shift;
|
|
# MediaWiki revision number. Keep the previous one by default,
|
|
# in case there's no edit to perform.
|
|
my $oldrevid = shift;
|
|
my $newrevid;
|
|
|
|
if ($summary eq EMPTY_MESSAGE) {
|
|
$summary = '';
|
|
}
|
|
|
|
my $new_sha1 = $diff_info_split[3];
|
|
my $old_sha1 = $diff_info_split[2];
|
|
my $page_created = ($old_sha1 eq NULL_SHA1);
|
|
my $page_deleted = ($new_sha1 eq NULL_SHA1);
|
|
$complete_file_name = mediawiki_clean_filename($complete_file_name);
|
|
|
|
my ($title, $extension) = $complete_file_name =~ /^(.*)\.([^\.]*)$/;
|
|
if (!defined($extension)) {
|
|
$extension = "";
|
|
}
|
|
if ($extension eq "mw") {
|
|
my $ns = get_mw_namespace_id_for_page($complete_file_name);
|
|
if ($ns && $ns == get_mw_namespace_id("File") && (!$export_media)) {
|
|
print STDERR "Ignoring media file related page: $complete_file_name\n";
|
|
return ($oldrevid, "ok");
|
|
}
|
|
my $file_content;
|
|
if ($page_deleted) {
|
|
# Deleting a page usually requires
|
|
# special privileges. A common
|
|
# convention is to replace the page
|
|
# with this content instead:
|
|
$file_content = DELETED_CONTENT;
|
|
} else {
|
|
$file_content = run_git("cat-file blob $new_sha1");
|
|
}
|
|
|
|
mw_connect_maybe();
|
|
|
|
my $result = $mediawiki->edit( {
|
|
action => 'edit',
|
|
summary => $summary,
|
|
title => $title,
|
|
basetimestamp => $basetimestamps{$oldrevid},
|
|
text => mediawiki_clean($file_content, $page_created),
|
|
}, {
|
|
skip_encoding => 1 # Helps with names with accentuated characters
|
|
});
|
|
if (!$result) {
|
|
if ($mediawiki->{error}->{code} == 3) {
|
|
# edit conflicts, considered as non-fast-forward
|
|
print STDERR 'Warning: Error ' .
|
|
$mediawiki->{error}->{code} .
|
|
' from mediwiki: ' . $mediawiki->{error}->{details} .
|
|
".\n";
|
|
return ($oldrevid, "non-fast-forward");
|
|
} else {
|
|
# Other errors. Shouldn't happen => just die()
|
|
die 'Fatal: Error ' .
|
|
$mediawiki->{error}->{code} .
|
|
' from mediwiki: ' . $mediawiki->{error}->{details};
|
|
}
|
|
}
|
|
$newrevid = $result->{edit}->{newrevid};
|
|
print STDERR "Pushed file: $new_sha1 - $title\n";
|
|
} elsif ($export_media) {
|
|
$newrevid = mw_upload_file($complete_file_name, $new_sha1,
|
|
$extension, $page_deleted,
|
|
$summary);
|
|
} else {
|
|
print STDERR "Ignoring media file $title\n";
|
|
}
|
|
$newrevid = ($newrevid or $oldrevid);
|
|
return ($newrevid, "ok");
|
|
}
|
|
|
|
sub mw_push {
|
|
# multiple push statements can follow each other
|
|
my @refsspecs = (shift, get_more_refs("push"));
|
|
my $pushed;
|
|
for my $refspec (@refsspecs) {
|
|
my ($force, $local, $remote) = $refspec =~ /^(\+)?([^:]*):([^:]*)$/
|
|
or die("Invalid refspec for push. Expected <src>:<dst> or +<src>:<dst>");
|
|
if ($force) {
|
|
print STDERR "Warning: forced push not allowed on a MediaWiki.\n";
|
|
}
|
|
if ($local eq "") {
|
|
print STDERR "Cannot delete remote branch on a MediaWiki\n";
|
|
print STDOUT "error $remote cannot delete\n";
|
|
next;
|
|
}
|
|
if ($remote ne "refs/heads/master") {
|
|
print STDERR "Only push to the branch 'master' is supported on a MediaWiki\n";
|
|
print STDOUT "error $remote only master allowed\n";
|
|
next;
|
|
}
|
|
if (mw_push_revision($local, $remote)) {
|
|
$pushed = 1;
|
|
}
|
|
}
|
|
|
|
# Notify Git that the push is done
|
|
print STDOUT "\n";
|
|
|
|
if ($pushed && $dumb_push) {
|
|
print STDERR "Just pushed some revisions to MediaWiki.\n";
|
|
print STDERR "The pushed revisions now have to be re-imported, and your current branch\n";
|
|
print STDERR "needs to be updated with these re-imported commits. You can do this with\n";
|
|
print STDERR "\n";
|
|
print STDERR " git pull --rebase\n";
|
|
print STDERR "\n";
|
|
}
|
|
}
|
|
|
|
sub mw_push_revision {
|
|
my $local = shift;
|
|
my $remote = shift; # actually, this has to be "refs/heads/master" at this point.
|
|
my $last_local_revid = get_last_local_revision();
|
|
print STDERR ".\n"; # Finish sentence started by get_last_local_revision()
|
|
my $last_remote_revid = get_last_remote_revision();
|
|
my $mw_revision = $last_remote_revid;
|
|
|
|
# Get sha1 of commit pointed by local HEAD
|
|
my $HEAD_sha1 = run_git("rev-parse $local 2>/dev/null"); chomp($HEAD_sha1);
|
|
# Get sha1 of commit pointed by remotes/$remotename/master
|
|
my $remoteorigin_sha1 = run_git("rev-parse refs/remotes/$remotename/master 2>/dev/null");
|
|
chomp($remoteorigin_sha1);
|
|
|
|
if ($last_local_revid > 0 &&
|
|
$last_local_revid < $last_remote_revid) {
|
|
return error_non_fast_forward($remote);
|
|
}
|
|
|
|
if ($HEAD_sha1 eq $remoteorigin_sha1) {
|
|
# nothing to push
|
|
return 0;
|
|
}
|
|
|
|
# Get every commit in between HEAD and refs/remotes/origin/master,
|
|
# including HEAD and refs/remotes/origin/master
|
|
my @commit_pairs = ();
|
|
if ($last_local_revid > 0) {
|
|
my $parsed_sha1 = $remoteorigin_sha1;
|
|
# Find a path from last MediaWiki commit to pushed commit
|
|
print STDERR "Computing path from local to remote ...\n";
|
|
my @local_ancestry = split(/\n/, run_git("rev-list --boundary --parents $local ^$parsed_sha1"));
|
|
my %local_ancestry;
|
|
foreach my $line (@local_ancestry) {
|
|
if (my ($child, $parents) = $line =~ m/^-?([a-f0-9]+) ([a-f0-9 ]+)/) {
|
|
foreach my $parent (split(' ', $parents)) {
|
|
$local_ancestry{$parent} = $child;
|
|
}
|
|
} elsif (!$line =~ m/^([a-f0-9]+)/) {
|
|
die "Unexpected output from git rev-list: $line";
|
|
}
|
|
}
|
|
while ($parsed_sha1 ne $HEAD_sha1) {
|
|
my $child = $local_ancestry{$parsed_sha1};
|
|
if (!$child) {
|
|
printf STDERR "Cannot find a path in history from remote commit to last commit\n";
|
|
return error_non_fast_forward($remote);
|
|
}
|
|
push(@commit_pairs, [$parsed_sha1, $child]);
|
|
$parsed_sha1 = $child;
|
|
}
|
|
} else {
|
|
# No remote mediawiki revision. Export the whole
|
|
# history (linearized with --first-parent)
|
|
print STDERR "Warning: no common ancestor, pushing complete history\n";
|
|
my $history = run_git("rev-list --first-parent --children $local");
|
|
my @history = split('\n', $history);
|
|
@history = @history[1..$#history];
|
|
foreach my $line (reverse @history) {
|
|
my @commit_info_split = split(/ |\n/, $line);
|
|
push(@commit_pairs, \@commit_info_split);
|
|
}
|
|
}
|
|
|
|
foreach my $commit_info_split (@commit_pairs) {
|
|
my $sha1_child = @{$commit_info_split}[0];
|
|
my $sha1_commit = @{$commit_info_split}[1];
|
|
my $diff_infos = run_git("diff-tree -r --raw -z $sha1_child $sha1_commit");
|
|
# TODO: we could detect rename, and encode them with a #redirect on the wiki.
|
|
# TODO: for now, it's just a delete+add
|
|
my @diff_info_list = split(/\0/, $diff_infos);
|
|
# Keep the subject line of the commit message as mediawiki comment for the revision
|
|
my $commit_msg = run_git("log --no-walk --format=\"%s\" $sha1_commit");
|
|
chomp($commit_msg);
|
|
# Push every blob
|
|
while (@diff_info_list) {
|
|
my $status;
|
|
# git diff-tree -z gives an output like
|
|
# <metadata>\0<filename1>\0
|
|
# <metadata>\0<filename2>\0
|
|
# and we've split on \0.
|
|
my $info = shift(@diff_info_list);
|
|
my $file = shift(@diff_info_list);
|
|
($mw_revision, $status) = mw_push_file($info, $file, $commit_msg, $mw_revision);
|
|
if ($status eq "non-fast-forward") {
|
|
# we may already have sent part of the
|
|
# commit to MediaWiki, but it's too
|
|
# late to cancel it. Stop the push in
|
|
# the middle, but still give an
|
|
# accurate error message.
|
|
return error_non_fast_forward($remote);
|
|
}
|
|
if ($status ne "ok") {
|
|
die("Unknown error from mw_push_file()");
|
|
}
|
|
}
|
|
unless ($dumb_push) {
|
|
run_git("notes --ref=$remotename/mediawiki add -f -m \"mediawiki_revision: $mw_revision\" $sha1_commit");
|
|
run_git("update-ref -m \"Git-MediaWiki push\" refs/mediawiki/$remotename/master $sha1_commit $sha1_child");
|
|
}
|
|
}
|
|
|
|
print STDOUT "ok $remote\n";
|
|
return 1;
|
|
}
|
|
|
|
sub get_allowed_file_extensions {
|
|
mw_connect_maybe();
|
|
|
|
my $query = {
|
|
action => 'query',
|
|
meta => 'siteinfo',
|
|
siprop => 'fileextensions'
|
|
};
|
|
my $result = $mediawiki->api($query);
|
|
my @file_extensions= map $_->{ext},@{$result->{query}->{fileextensions}};
|
|
my %hashFile = map {$_ => 1}@file_extensions;
|
|
|
|
return %hashFile;
|
|
}
|
|
|
|
# In memory cache for MediaWiki namespace ids.
|
|
my %namespace_id;
|
|
|
|
# Namespaces whose id is cached in the configuration file
|
|
# (to avoid duplicates)
|
|
my %cached_mw_namespace_id;
|
|
|
|
# Return MediaWiki id for a canonical namespace name.
|
|
# Ex.: "File", "Project".
|
|
sub get_mw_namespace_id {
|
|
mw_connect_maybe();
|
|
my $name = shift;
|
|
|
|
if (!exists $namespace_id{$name}) {
|
|
# Look at configuration file, if the record for that namespace is
|
|
# already cached. Namespaces are stored in form:
|
|
# "Name_of_namespace:Id_namespace", ex.: "File:6".
|
|
my @temp = split(/[\n]/, run_git("config --get-all remote."
|
|
. $remotename .".namespaceCache"));
|
|
chomp(@temp);
|
|
foreach my $ns (@temp) {
|
|
my ($n, $id) = split(/:/, $ns);
|
|
if ($id eq 'notANameSpace') {
|
|
$namespace_id{$n} = {is_namespace => 0};
|
|
} else {
|
|
$namespace_id{$n} = {is_namespace => 1, id => $id};
|
|
}
|
|
$cached_mw_namespace_id{$n} = 1;
|
|
}
|
|
}
|
|
|
|
if (!exists $namespace_id{$name}) {
|
|
print STDERR "Namespace $name not found in cache, querying the wiki ...\n";
|
|
# NS not found => get namespace id from MW and store it in
|
|
# configuration file.
|
|
my $query = {
|
|
action => 'query',
|
|
meta => 'siteinfo',
|
|
siprop => 'namespaces'
|
|
};
|
|
my $result = $mediawiki->api($query);
|
|
|
|
while (my ($id, $ns) = each(%{$result->{query}->{namespaces}})) {
|
|
if (defined($ns->{id}) && defined($ns->{canonical})) {
|
|
$namespace_id{$ns->{canonical}} = {is_namespace => 1, id => $ns->{id}};
|
|
if ($ns->{'*'}) {
|
|
# alias (e.g. french Fichier: as alias for canonical File:)
|
|
$namespace_id{$ns->{'*'}} = {is_namespace => 1, id => $ns->{id}};
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
my $ns = $namespace_id{$name};
|
|
my $id;
|
|
|
|
unless (defined $ns) {
|
|
print STDERR "No such namespace $name on MediaWiki.\n";
|
|
$ns = {is_namespace => 0};
|
|
$namespace_id{$name} = $ns;
|
|
}
|
|
|
|
if ($ns->{is_namespace}) {
|
|
$id = $ns->{id};
|
|
}
|
|
|
|
# Store "notANameSpace" as special value for inexisting namespaces
|
|
my $store_id = ($id || 'notANameSpace');
|
|
|
|
# Store explicitely requested namespaces on disk
|
|
if (!exists $cached_mw_namespace_id{$name}) {
|
|
run_git("config --add remote.". $remotename
|
|
.".namespaceCache \"". $name .":". $store_id ."\"");
|
|
$cached_mw_namespace_id{$name} = 1;
|
|
}
|
|
return $id;
|
|
}
|
|
|
|
sub get_mw_namespace_id_for_page {
|
|
if (my ($namespace) = $_[0] =~ /^([^:]*):/) {
|
|
return get_mw_namespace_id($namespace);
|
|
} else {
|
|
return;
|
|
}
|
|
}
|