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git-remote-mediawiki: factoring code between git-remote-mediawiki and Git::Mediawiki
For now, Git::Mediawiki contains nothing. This first patch moves some of git-remote-mediawiki.perl's factorisable code into Git::Mediawiki. In the same time, it removes the side effects of that code and renames the fucntions and constants moved to expose a better API. Signed-off-by: Benoit Person <benoit.person@ensimag.fr> Signed-off-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Benoit Person
Junio C Hamano
parent
c7956f9084
commit
192f7a0804
@ -18,7 +18,82 @@ require Exporter;
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@EXPORT = ();
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# Methods which can be called as standalone functions as well:
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@EXPORT_OK = ();
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@EXPORT_OK = qw(clean_filename smudge_filename connect_maybe
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EMPTY HTTP_CODE_OK);
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}
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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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# Used to test for empty strings
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use constant EMPTY => q{};
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# HTTP codes
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use constant HTTP_CODE_OK => 200;
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sub clean_filename {
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my $filename = shift;
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$filename =~ s{@{[SLASH_REPLACEMENT]}}{/}g;
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# [, ], |, {, and } are forbidden by MediaWiki, even URL-encoded.
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# Do a variant of URL-encoding, i.e. looks like URL-encoding,
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# but with _ added to prevent MediaWiki from thinking this is
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# an actual special character.
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$filename =~ s/[\[\]\{\}\|]/sprintf("_%%_%x", ord($&))/ge;
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# If we use the uri escape before
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# we should unescape here, before anything
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return $filename;
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}
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sub smudge_filename {
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my $filename = shift;
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$filename =~ s{/}{@{[SLASH_REPLACEMENT]}}g;
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$filename =~ s/ /_/g;
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# Decode forbidden characters encoded in clean_filename
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$filename =~ s/_%_([0-9a-fA-F][0-9a-fA-F])/sprintf('%c', hex($1))/ge;
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return $filename;
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}
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sub connect_maybe {
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my $wiki = shift;
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if ($wiki) {
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return $wiki;
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}
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my $remote_name = shift;
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my $remote_url = shift;
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my ($wiki_login, $wiki_password, $wiki_domain);
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$wiki_login = Git::config("remote.${remote_name}.mwLogin");
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$wiki_password = Git::config("remote.${remote_name}.mwPassword");
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$wiki_domain = Git::config("remote.${remote_name}.mwDomain");
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$wiki = MediaWiki::API->new;
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$wiki->{config}->{api_url} = "${remote_url}/api.php";
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if ($wiki_login) {
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my %credential = (
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'url' => $remote_url,
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'username' => $wiki_login,
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'password' => $wiki_password
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);
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Git::credential(\%credential);
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my $request = {lgname => $credential{username},
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lgpassword => $credential{password},
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lgdomain => $wiki_domain};
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if ($wiki->login($request)) {
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Git::credential(\%credential, 'approve');
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print {*STDERR} qq(Logged in mediawiki user "$credential{username}".\n);
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} else {
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print {*STDERR} qq(Failed to log in mediawiki user "$credential{username}" on ${remote_url}\n);
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print {*STDERR} ' (error ' .
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$wiki->{error}->{code} . ': ' .
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$wiki->{error}->{details} . ")\n";
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Git::credential(\%credential, 'reject');
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exit 1;
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}
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}
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return $wiki;
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}
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1; # Famous last words
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@ -14,6 +14,8 @@
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use strict;
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use MediaWiki::API;
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use Git;
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use Git::Mediawiki qw(clean_filename smudge_filename connect_maybe
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EMPTY HTTP_CODE_OK);
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use DateTime::Format::ISO8601;
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use warnings;
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@ -23,9 +25,6 @@ binmode STDOUT, ':encoding(UTF-8)';
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use URI::Escape;
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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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@ -40,8 +39,6 @@ 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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use constant EMPTY => q{};
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# Number of pages taken into account at once in submodule get_mw_page_list
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use constant SLICE_SIZE => 50;
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@ -50,8 +47,6 @@ use constant SLICE_SIZE => 50;
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# the number of links to be returned (500 links max).
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use constant BATCH_SIZE => 10;
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use constant HTTP_CODE_OK => 200;
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if (@ARGV != 2) {
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exit_error_usage();
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}
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@ -199,37 +194,6 @@ sub parse_command {
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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 = (
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'url' => $url,
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'username' => $wiki_login,
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'password' => $wiki_passwd
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);
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Git::credential(\%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($request)) {
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Git::credential(\%credential, 'approve');
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print {*STDERR} qq(Logged in mediawiki user "$credential{username}".\n);
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} else {
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print {*STDERR} qq(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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Git::credential(\%credential, 'reject');
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exit 1;
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}
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}
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return;
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}
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sub fatal_mw_error {
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my $action = shift;
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print STDERR "fatal: could not $action.\n";
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@ -339,7 +303,7 @@ sub get_mw_first_pages {
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# Get the list of pages to be fetched according to configuration.
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sub get_mw_pages {
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mw_connect_maybe();
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$mediawiki = connect_maybe($mediawiki, $remotename, $url);
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print {*STDERR} "Listing pages on remote wiki...\n";
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@ -529,7 +493,7 @@ sub get_last_local_revision {
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# avoid a loop onto all tracked pages. This is useful for the fetch-by-rev
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# option.
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sub get_last_global_remote_rev {
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mw_connect_maybe();
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$mediawiki = connect_maybe($mediawiki, $remotename, $url);
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my $query = {
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action => 'query',
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@ -545,7 +509,7 @@ sub get_last_global_remote_rev {
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# Get the last remote revision concerning the tracked pages and the tracked
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# categories.
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sub get_last_remote_revision {
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mw_connect_maybe();
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$mediawiki = connect_maybe($mediawiki, $remotename, $url);
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my %pages_hash = get_mw_pages();
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my @pages = values(%pages_hash);
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@ -601,29 +565,6 @@ sub mediawiki_smudge {
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return "${string}\n";
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}
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sub mediawiki_clean_filename {
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my $filename = shift;
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$filename =~ s{@{[SLASH_REPLACEMENT]}}{/}g;
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# [, ], |, {, and } are forbidden by MediaWiki, even URL-encoded.
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# Do a variant of URL-encoding, i.e. looks like URL-encoding,
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# but with _ added to prevent MediaWiki from thinking this is
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# an actual special character.
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$filename =~ s/[\[\]\{\}\|]/sprintf("_%%_%x", ord($&))/ge;
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# If we use the uri escape before
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# we should unescape here, before anything
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return $filename;
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}
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sub mediawiki_smudge_filename {
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my $filename = shift;
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$filename =~ s{/}{@{[SLASH_REPLACEMENT]}}g;
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$filename =~ s/ /_/g;
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# Decode forbidden characters encoded in mediawiki_clean_filename
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$filename =~ s/_%_([0-9a-fA-F][0-9a-fA-F])/sprintf('%c', hex($1))/ge;
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return $filename;
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}
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sub literal_data {
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my ($content) = @_;
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print {*STDOUT} 'data ', bytes::length($content), "\n", $content;
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@ -831,7 +772,7 @@ sub mw_import_ref {
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return;
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}
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mw_connect_maybe();
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$mediawiki = connect_maybe($mediawiki, $remotename, $url);
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print {*STDERR} "Searching revisions...\n";
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my $last_local = get_last_local_revision();
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@ -945,7 +886,7 @@ sub mw_import_revids {
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my %commit;
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$commit{author} = $rev->{user} || 'Anonymous';
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$commit{comment} = $rev->{comment} || EMPTY_MESSAGE;
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$commit{title} = mediawiki_smudge_filename($page_title);
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$commit{title} = smudge_filename($page_title);
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$commit{mw_revision} = $rev->{revid};
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$commit{content} = mediawiki_smudge($rev->{'*'});
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@ -1006,7 +947,7 @@ sub mw_upload_file {
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}
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# Deleting and uploading a file requires a priviledged user
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if ($file_deleted) {
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mw_connect_maybe();
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$mediawiki = connect_maybe($mediawiki, $remotename, $url);
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my $query = {
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action => 'delete',
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title => $path,
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@ -1022,7 +963,7 @@ sub mw_upload_file {
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# Don't let perl try to interpret file content as UTF-8 => use "raw"
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my $content = run_git("cat-file blob ${new_sha1}", 'raw');
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if ($content ne EMPTY) {
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mw_connect_maybe();
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$mediawiki = connect_maybe($mediawiki, $remotename, $url);
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$mediawiki->{config}->{upload_url} =
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"${url}/index.php/Special:Upload";
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$mediawiki->edit({
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@ -1070,7 +1011,7 @@ sub mw_push_file {
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my $old_sha1 = $diff_info_split[2];
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my $page_created = ($old_sha1 eq NULL_SHA1);
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my $page_deleted = ($new_sha1 eq NULL_SHA1);
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$complete_file_name = mediawiki_clean_filename($complete_file_name);
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$complete_file_name = clean_filename($complete_file_name);
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my ($title, $extension) = $complete_file_name =~ /^(.*)\.([^\.]*)$/;
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if (!defined($extension)) {
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@ -1093,7 +1034,7 @@ sub mw_push_file {
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$file_content = run_git("cat-file blob ${new_sha1}");
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}
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mw_connect_maybe();
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$mediawiki = connect_maybe($mediawiki, $remotename, $url);
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my $result = $mediawiki->edit( {
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action => 'edit',
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@ -1279,7 +1220,7 @@ sub mw_push_revision {
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}
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sub get_allowed_file_extensions {
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mw_connect_maybe();
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$mediawiki = connect_maybe($mediawiki, $remotename, $url);
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my $query = {
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action => 'query',
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@ -1303,7 +1244,7 @@ my %cached_mw_namespace_id;
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# Return MediaWiki id for a canonical namespace name.
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# Ex.: "File", "Project".
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sub get_mw_namespace_id {
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mw_connect_maybe();
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$mediawiki = connect_maybe($mediawiki, $remotename, $url);
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my $name = shift;
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if (!exists $namespace_id{$name}) {
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