mediawiki-extensions-CheckUser-1.15.r48763-alt1.noarch	rpm-filesystem-conflict-file-file	warn	File /usr/share/mediawiki/extensions/CheckUser/CheckUser.alias.php conflicts with the package mediawiki-common-1.45.3-alt1.noarch. Moreover, the packages have no explicit conflicts with each other. You should add explicit conflicts, or, if conflicts are avoidable, consider using alternatives.; 
