########################## 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.";
- }
-}
-
+ ## error handling
+ sub exit_error_usage {
+ die "ERROR: git-remote-mediawiki module was not called with a correct number of\n" .
+ "parameters\n" .
+ "You may obtain this error because you attempted to run the git-remote-mediawiki\n" .
+ "module directly.\n" .
+ "This module can be used the following way:\n" .
+ "\tgit clone mediawiki://<address of a mediawiki>\n" .
+ "Then, use git commit, push and pull as with every normal git repository.\n";
+ }
+
# MediaWiki API instance, created lazily.
my $mediawiki;