+.BI "\-\-repo " url_or_dir
+Also use the specified repository to create the build system.
+The repositories may be either of type rpmmd, yast2 (susetags),
+or a simple directory. Multiple --repo options may be given.
+As a special form, 'zypp://reponame' can be used to specify
+a system repository. 'zypp://' selects all enabled system
+repositories. This is also the default if BUILD_RPMS is not
+set and no --rpms or --repo option is used.
+.TP