MediaWiki:Apihelp-query+filerepoinfo-param-prop/en

Which repository properties to get (there may be more available on some wikis):
 * apiurl:URL to the repository API - helpful for getting image info from the host.
 * name:The key of the repository - used in e.g. $wgForeignFileRepos and imageinfo return values.
 * displayname:The human-readable name of the repository wiki.
 * rooturl:Root URL for image paths.
 * local:Whether that repository is the local one or not.