| #! /usr/bin/perl |
| |
| # Copyright (C) 2011 |
| # Jérémie Nikaes <jeremie.nikaes@ensimag.imag.fr> |
| # Arnaud Lacurie <arnaud.lacurie@ensimag.imag.fr> |
| # Claire Fousse <claire.fousse@ensimag.imag.fr> |
| # David Amouyal <david.amouyal@ensimag.imag.fr> |
| # Matthieu Moy <matthieu.moy@grenoble-inp.fr> |
| # License: GPL v2 or later |
| |
| # Gateway between Git and MediaWiki. |
| # Documentation & bugtracker: https://github.com/moy/Git-Mediawiki/ |
| |
| use strict; |
| use MediaWiki::API; |
| use DateTime::Format::ISO8601; |
| |
| # By default, use UTF-8 to communicate with Git and the user |
| binmode STDERR, ":utf8"; |
| binmode STDOUT, ":utf8"; |
| |
| use URI::Escape; |
| use IPC::Open2; |
| |
| use warnings; |
| |
| # Mediawiki filenames can contain forward slashes. This variable decides by which pattern they should be replaced |
| use constant SLASH_REPLACEMENT => "%2F"; |
| |
| # It's not always possible to delete pages (may require some |
| # priviledges). Deleted pages are replaced with this content. |
| use constant DELETED_CONTENT => "[[Category:Deleted]]\n"; |
| |
| # It's not possible to create empty pages. New empty files in Git are |
| # sent with this content instead. |
| use constant EMPTY_CONTENT => "<!-- empty page -->\n"; |
| |
| # used to reflect file creation or deletion in diff. |
| use constant NULL_SHA1 => "0000000000000000000000000000000000000000"; |
| |
| # Used on Git's side to reflect empty edit messages on the wiki |
| use constant EMPTY_MESSAGE => '*Empty MediaWiki Message*'; |
| |
| my $remotename = $ARGV[0]; |
| my $url = $ARGV[1]; |
| |
| # Accept both space-separated and multiple keys in config file. |
| # Spaces should be written as _ anyway because we'll use chomp. |
| my @tracked_pages = split(/[ \n]/, run_git("config --get-all remote.". $remotename .".pages")); |
| chomp(@tracked_pages); |
| |
| # Just like @tracked_pages, but for MediaWiki categories. |
| my @tracked_categories = split(/[ \n]/, run_git("config --get-all remote.". $remotename .".categories")); |
| chomp(@tracked_categories); |
| |
| # Import media files on pull |
| my $import_media = run_git("config --get --bool remote.". $remotename .".mediaimport"); |
| chomp($import_media); |
| $import_media = ($import_media eq "true"); |
| |
| # Export media files on push |
| my $export_media = run_git("config --get --bool remote.". $remotename .".mediaexport"); |
| chomp($export_media); |
| $export_media = !($export_media eq "false"); |
| |
| my $wiki_login = run_git("config --get remote.". $remotename .".mwLogin"); |
| # Note: mwPassword is discourraged. Use the credential system instead. |
| my $wiki_passwd = run_git("config --get remote.". $remotename .".mwPassword"); |
| my $wiki_domain = run_git("config --get remote.". $remotename .".mwDomain"); |
| chomp($wiki_login); |
| chomp($wiki_passwd); |
| chomp($wiki_domain); |
| |
| # Import only last revisions (both for clone and fetch) |
| my $shallow_import = run_git("config --get --bool remote.". $remotename .".shallow"); |
| chomp($shallow_import); |
| $shallow_import = ($shallow_import eq "true"); |
| |
| # Fetch (clone and pull) by revisions instead of by pages. This behavior |
| # is more efficient when we have a wiki with lots of pages and we fetch |
| # the revisions quite often so that they concern only few pages. |
| # Possible values: |
| # - by_rev: perform one query per new revision on the remote wiki |
| # - by_page: query each tracked page for new revision |
| my $fetch_strategy = run_git("config --get remote.$remotename.fetchStrategy"); |
| unless ($fetch_strategy) { |
| $fetch_strategy = run_git("config --get mediawiki.fetchStrategy"); |
| } |
| chomp($fetch_strategy); |
| unless ($fetch_strategy) { |
| $fetch_strategy = "by_page"; |
| } |
| |
| # Dumb push: don't update notes and mediawiki ref to reflect the last push. |
| # |
| # Configurable with mediawiki.dumbPush, or per-remote with |
| # remote.<remotename>.dumbPush. |
| # |
| # This means the user will have to re-import the just-pushed |
| # revisions. On the other hand, this means that the Git revisions |
| # corresponding to MediaWiki revisions are all imported from the wiki, |
| # regardless of whether they were initially created in Git or from the |
| # web interface, hence all users will get the same history (i.e. if |
| # the push from Git to MediaWiki loses some information, everybody |
| # will get the history with information lost). If the import is |
| # deterministic, this means everybody gets the same sha1 for each |
| # MediaWiki revision. |
| my $dumb_push = run_git("config --get --bool remote.$remotename.dumbPush"); |
| unless ($dumb_push) { |
| $dumb_push = run_git("config --get --bool mediawiki.dumbPush"); |
| } |
| chomp($dumb_push); |
| $dumb_push = ($dumb_push eq "true"); |
| |
| my $wiki_name = $url; |
| $wiki_name =~ s/[^\/]*:\/\///; |
| # If URL is like http://user:password@example.com/, we clearly don't |
| # want the password in $wiki_name. While we're there, also remove user |
| # and '@' sign, to avoid author like MWUser@HTTPUser@host.com |
| $wiki_name =~ s/^.*@//; |
| |
| # Commands parser |
| my $entry; |
| my @cmd; |
| while (<STDIN>) { |
| chomp; |
| @cmd = split(/ /); |
| if (defined($cmd[0])) { |
| # Line not blank |
| if ($cmd[0] eq "capabilities") { |
| die("Too many arguments for capabilities") unless (!defined($cmd[1])); |
| mw_capabilities(); |
| } elsif ($cmd[0] eq "list") { |
| die("Too many arguments for list") unless (!defined($cmd[2])); |
| mw_list($cmd[1]); |
| } elsif ($cmd[0] eq "import") { |
| die("Invalid arguments for import") unless ($cmd[1] ne "" && !defined($cmd[2])); |
| mw_import($cmd[1]); |
| } elsif ($cmd[0] eq "option") { |
| die("Too many arguments for option") unless ($cmd[1] ne "" && $cmd[2] ne "" && !defined($cmd[3])); |
| mw_option($cmd[1],$cmd[2]); |
| } elsif ($cmd[0] eq "push") { |
| mw_push($cmd[1]); |
| } else { |
| print STDERR "Unknown command. Aborting...\n"; |
| last; |
| } |
| } else { |
| # blank line: we should terminate |
| last; |
| } |
| |
| BEGIN { $| = 1 } # flush STDOUT, to make sure the previous |
| # command is fully processed. |
| } |
| |
| ########################## Functions ############################## |
| |
| ## credential API management (generic functions) |
| |
| sub credential_read { |
| my %credential; |
| my $reader = shift; |
| my $op = shift; |
| while (<$reader>) { |
| my ($key, $value) = /([^=]*)=(.*)/; |
| if (not defined $key) { |
| die "ERROR receiving response from git credential $op:\n$_\n"; |
| } |
| $credential{$key} = $value; |
| } |
| return %credential; |
| } |
| |
| sub credential_write { |
| my $credential = shift; |
| my $writer = shift; |
| # url overwrites other fields, so it must come first |
| print $writer "url=$credential->{url}\n" if exists $credential->{url}; |
| while (my ($key, $value) = each(%$credential) ) { |
| if (length $value && $key ne 'url') { |
| print $writer "$key=$value\n"; |
| } |
| } |
| } |
| |
| sub credential_run { |
| my $op = shift; |
| my $credential = shift; |
| my $pid = open2(my $reader, my $writer, "git credential $op"); |
| credential_write($credential, $writer); |
| print $writer "\n"; |
| close($writer); |
| |
| if ($op eq "fill") { |
| %$credential = credential_read($reader, $op); |
| } else { |
| if (<$reader>) { |
| die "ERROR while running git credential $op:\n$_"; |
| } |
| } |
| close($reader); |
| waitpid($pid, 0); |
| my $child_exit_status = $? >> 8; |
| if ($child_exit_status != 0) { |
| die "'git credential $op' failed with code $child_exit_status."; |
| } |
| } |
| |
| # MediaWiki API instance, created lazily. |
| my $mediawiki; |
| |
| sub mw_connect_maybe { |
| if ($mediawiki) { |
| return; |
| } |
| $mediawiki = MediaWiki::API->new; |
| $mediawiki->{config}->{api_url} = "$url/api.php"; |
| if ($wiki_login) { |
| my %credential = (url => $url); |
| $credential{username} = $wiki_login; |
| $credential{password} = $wiki_passwd; |
| credential_run("fill", \%credential); |
| my $request = {lgname => $credential{username}, |
| lgpassword => $credential{password}, |
| lgdomain => $wiki_domain}; |
| if ($mediawiki->login($request)) { |
| credential_run("approve", \%credential); |
| print STDERR "Logged in mediawiki user \"$credential{username}\".\n"; |
| } else { |
| print STDERR "Failed to log in mediawiki user \"$credential{username}\" on $url\n"; |
| print STDERR " (error " . |
| $mediawiki->{error}->{code} . ': ' . |
| $mediawiki->{error}->{details} . ")\n"; |
| credential_run("reject", \%credential); |
| exit 1; |
| } |
| } |
| } |
| |
| ## Functions for listing pages on the remote wiki |
| sub get_mw_tracked_pages { |
| my $pages = shift; |
| get_mw_page_list(\@tracked_pages, $pages); |
| } |
| |
| sub get_mw_page_list { |
| my $page_list = shift; |
| my $pages = shift; |
| my @some_pages = @$page_list; |
| while (@some_pages) { |
| my $last = 50; |
| if ($#some_pages < $last) { |
| $last = $#some_pages; |
| } |
| my @slice = @some_pages[0..$last]; |
| get_mw_first_pages(\@slice, $pages); |
| @some_pages = @some_pages[51..$#some_pages]; |
| } |
| } |
| |
| sub get_mw_tracked_categories { |
| my $pages = shift; |
| foreach my $category (@tracked_categories) { |
| if (index($category, ':') < 0) { |
| # Mediawiki requires the Category |
| # prefix, but let's not force the user |
| # to specify it. |
| $category = "Category:" . $category; |
| } |
| my $mw_pages = $mediawiki->list( { |
| action => 'query', |
| list => 'categorymembers', |
| cmtitle => $category, |
| cmlimit => 'max' } ) |
| || die $mediawiki->{error}->{code} . ': ' |
| . $mediawiki->{error}->{details}; |
| foreach my $page (@{$mw_pages}) { |
| $pages->{$page->{title}} = $page; |
| } |
| } |
| } |
| |
| sub get_mw_all_pages { |
| my $pages = shift; |
| # No user-provided list, get the list of pages from the API. |
| my $mw_pages = $mediawiki->list({ |
| action => 'query', |
| list => 'allpages', |
| aplimit => 'max' |
| }); |
| if (!defined($mw_pages)) { |
| print STDERR "fatal: could not get the list of wiki pages.\n"; |
| print STDERR "fatal: '$url' does not appear to be a mediawiki\n"; |
| print STDERR "fatal: make sure '$url/api.php' is a valid page.\n"; |
| exit 1; |
| } |
| foreach my $page (@{$mw_pages}) { |
| $pages->{$page->{title}} = $page; |
| } |
| } |
| |
| # queries the wiki for a set of pages. Meant to be used within a loop |
| # querying the wiki for slices of page list. |
| sub get_mw_first_pages { |
| my $some_pages = shift; |
| my @some_pages = @{$some_pages}; |
| |
| my $pages = shift; |
| |
| # pattern 'page1|page2|...' required by the API |
| my $titles = join('|', @some_pages); |
| |
| my $mw_pages = $mediawiki->api({ |
| action => 'query', |
| titles => $titles, |
| }); |
| if (!defined($mw_pages)) { |
| print STDERR "fatal: could not query the list of wiki pages.\n"; |
| print STDERR "fatal: '$url' does not appear to be a mediawiki\n"; |
| print STDERR "fatal: make sure '$url/api.php' is a valid page.\n"; |
| exit 1; |
| } |
| while (my ($id, $page) = each(%{$mw_pages->{query}->{pages}})) { |
| if ($id < 0) { |
| print STDERR "Warning: page $page->{title} not found on wiki\n"; |
| } else { |
| $pages->{$page->{title}} = $page; |
| } |
| } |
| } |
| |
| # Get the list of pages to be fetched according to configuration. |
| sub get_mw_pages { |
| mw_connect_maybe(); |
| |
| print STDERR "Listing pages on remote wiki...\n"; |
| |
| my %pages; # hash on page titles to avoid duplicates |
| my $user_defined; |
| if (@tracked_pages) { |
| $user_defined = 1; |
| # The user provided a list of pages titles, but we |
| # still need to query the API to get the page IDs. |
| get_mw_tracked_pages(\%pages); |
| } |
| if (@tracked_categories) { |
| $user_defined = 1; |
| get_mw_tracked_categories(\%pages); |
| } |
| if (!$user_defined) { |
| get_mw_all_pages(\%pages); |
| } |
| if ($import_media) { |
| print STDERR "Getting media files for selected pages...\n"; |
| if ($user_defined) { |
| get_linked_mediafiles(\%pages); |
| } else { |
| get_all_mediafiles(\%pages); |
| } |
| } |
| print STDERR (scalar keys %pages) . " pages found.\n"; |
| return %pages; |
| } |
| |
| # usage: $out = run_git("command args"); |
| # $out = run_git("command args", "raw"); # don't interpret output as UTF-8. |
| sub run_git { |
| my $args = shift; |
| my $encoding = (shift || "encoding(UTF-8)"); |
| open(my $git, "-|:$encoding", "git " . $args); |
| my $res = do { local $/; <$git> }; |
| close($git); |
| |
| return $res; |
| } |
| |
| |
| sub get_all_mediafiles { |
| my $pages = shift; |
| # Attach list of all pages for media files from the API, |
| # they are in a different namespace, only one namespace |
| # can be queried at the same moment |
| my $mw_pages = $mediawiki->list({ |
| action => 'query', |
| list => 'allpages', |
| apnamespace => get_mw_namespace_id("File"), |
| aplimit => 'max' |
| }); |
| if (!defined($mw_pages)) { |
| print STDERR "fatal: could not get the list of pages for media files.\n"; |
| print STDERR "fatal: '$url' does not appear to be a mediawiki\n"; |
| print STDERR "fatal: make sure '$url/api.php' is a valid page.\n"; |
| exit 1; |
| } |
| foreach my $page (@{$mw_pages}) { |
| $pages->{$page->{title}} = $page; |
| } |
| } |
| |
| sub get_linked_mediafiles { |
| my $pages = shift; |
| my @titles = map $_->{title}, values(%{$pages}); |
| |
| # The query is split in small batches because of the MW API limit of |
| # the number of links to be returned (500 links max). |
| my $batch = 10; |
| while (@titles) { |
| if ($#titles < $batch) { |
| $batch = $#titles; |
| } |
| my @slice = @titles[0..$batch]; |
| |
| # pattern 'page1|page2|...' required by the API |
| my $mw_titles = join('|', @slice); |
| |
| # Media files could be included or linked from |
| # a page, get all related |
| my $query = { |
| action => 'query', |
| prop => 'links|images', |
| titles => $mw_titles, |
| plnamespace => get_mw_namespace_id("File"), |
| pllimit => 'max' |
| }; |
| my $result = $mediawiki->api($query); |
| |
| while (my ($id, $page) = each(%{$result->{query}->{pages}})) { |
| my @media_titles; |
| if (defined($page->{links})) { |
| my @link_titles = map $_->{title}, @{$page->{links}}; |
| push(@media_titles, @link_titles); |
| } |
| if (defined($page->{images})) { |
| my @image_titles = map $_->{title}, @{$page->{images}}; |
| push(@media_titles, @image_titles); |
| } |
| if (@media_titles) { |
| get_mw_page_list(\@media_titles, $pages); |
| } |
| } |
| |
| @titles = @titles[($batch+1)..$#titles]; |
| } |
| } |
| |
| sub get_mw_mediafile_for_page_revision { |
| # Name of the file on Wiki, with the prefix. |
| my $filename = shift; |
| my $timestamp = shift; |
| my %mediafile; |
| |
| # Search if on a media file with given timestamp exists on |
| # MediaWiki. In that case download the file. |
| my $query = { |
| action => 'query', |
| prop => 'imageinfo', |
| titles => "File:" . $filename, |
| iistart => $timestamp, |
| iiend => $timestamp, |
| iiprop => 'timestamp|archivename|url', |
| iilimit => 1 |
| }; |
| my $result = $mediawiki->api($query); |
| |
| my ($fileid, $file) = each( %{$result->{query}->{pages}} ); |
| # If not defined it means there is no revision of the file for |
| # given timestamp. |
| if (defined($file->{imageinfo})) { |
| $mediafile{title} = $filename; |
| |
| my $fileinfo = pop(@{$file->{imageinfo}}); |
| $mediafile{timestamp} = $fileinfo->{timestamp}; |
| # Mediawiki::API's download function doesn't support https URLs |
| # and can't download old versions of files. |
| print STDERR "\tDownloading file $mediafile{title}, version $mediafile{timestamp}\n"; |
| $mediafile{content} = download_mw_mediafile($fileinfo->{url}); |
| } |
| return %mediafile; |
| } |
| |
| sub download_mw_mediafile { |
| 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 refering 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 priviledges. 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; |
| } |
| } |