* give error if repo is present

pisi/api.py

@@ -305,9 +305,12 @@ def index(dirs, output = 'pisi-index.xml', skip_sources=False):
     ctx.ui.info(_('* Index file written'))
 
 def add_repo(name, indexuri):
-    repo = pisi.repodb.Repo(URI(indexuri))
-    ctx.repodb.add_repo(name, repo)
-    ctx.ui.info(_('Repo %s added to system.') % name)
+    if ctx.repodb.has_repo(name):
+        raise Error(_('Repo %s already present.') % name)
+    else:
+        repo = pisi.repodb.Repo(URI(indexuri))
+        ctx.repodb.add_repo(name, repo)
+        ctx.ui.info(_('Repo %s added to system.') % name)
 
 def remove_repo(name):
     if ctx.repodb.has_repo(name):

pisi/cli/commands.py

@@ -874,8 +874,8 @@ NB: We support only local files (e.g., /a/b/c) and http:// URIs at the moment
                 name = self.args[0]
                 indexuri = self.args[1]
             else:
-                name = 'pardus'
-                indexuri = 'http://paketler.uludag.org.tr/pardus-1.0/pisi-index.xml'
+                name = 'pardus-1-test'
+                indexuri = 'http://paketler.uludag.org.tr/pardus-1-test/pisi-index.xmi'
             pisi.api.add_repo(name, indexuri)
             if ctx.ui.confirm(_('Update PISI database for repository %s?') % name):
                 pisi.api.update_repo(name)