fixed 'osc buildconfig'

Fixed 'osc buildconfig'. Don't ask for package and arch since the
API don't allow to filter for a package or a architecture.

Remove related and useless parameter from get_buildconfig() in
core.py

osc/build.py

@@ -555,7 +555,7 @@ def main(apiurl, opts, argv):
             print 'Getting buildconfig from server and store to %s' % bc_filename
             if not bc_file:
                 bc_file = open(bc_filename, 'w')
-            bc_file.write(get_buildconfig(apiurl, prj, pac, repo, arch))
+            bc_file.write(get_buildconfig(apiurl, prj, repo))
             bc_file.flush()
     except urllib2.HTTPError, e:
         if e.code == 404:

osc/commandline.py

@@ -3696,46 +3696,41 @@ Please submit there instead, or use --nodevelproject to force direct submission.
 
         Shows the build configuration which is used in building a package.
         This command is mostly used internally by the 'build' command.
-        It needs to be called from inside a package directory.
 
         The returned data is the project-wide build configuration in a format
         which is directly readable by the build script. It contains RPM macros
         and BuildRequires expansions, for example.
 
-        The arguments REPOSITORY and ARCH can be taken from the first two columns
-        of the 'osc repos' output.
+        The argument REPOSITORY an be taken from the first column of the 
+        'osc repos' output.
 
         usage:
-            osc buildconfig REPOSITORY ARCH    (in pkg dir)
-            osc buildconfig PROJECT PACKAGE REPOSITORY ARCH
+            osc buildconfig REPOSITORY                      (in pkg or prj dir)
+            osc buildconfig PROJECT REPOSITORY
         ${cmd_option_list}
         """
 
         wd = os.curdir
         args = slash_split(args)
 
-        if len(args) < 2 and is_package_dir('.'):
+        if len(args) < 1 and (is_package_dir('.') or is_project_dir('.')):
             self.print_repos()
 
-        if len(args) > 4:
+        if len(args) > 2:
             raise oscerr.WrongArgs('Too many arguments.')
 
         apiurl = self.get_api_url()
 
-        if len(args) == 2:
-            package = store_read_package(wd)
+        if len(args) == 1:
             project = store_read_project(wd)
             repository = args[0]
-            arch = args[1]
-        elif len(args) == 4:
+        elif len(args) == 2:
             project = args[0]
-            package = args[1]
-            repository = args[2]
-            arch = args[3]
+            repository = args[1]
         else:
             raise oscerr.WrongArgs('Wrong number of arguments.')
 
-        print ''.join(get_buildconfig(apiurl, project, package, repository, arch))
+        print ''.join(get_buildconfig(apiurl, project, repository))
 
 
     def do_repos(self, subcmd, opts, *args):

osc/core.py

@@ -4012,7 +4012,7 @@ def get_buildinfo(apiurl, prj, package, repository, arch, specfile=None, addlist
     return f.read()
 
 
-def get_buildconfig(apiurl, prj, package, repository, arch):
+def get_buildconfig(apiurl, prj, repository):
     u = makeurl(apiurl, ['build', prj, repository, '_buildconfig'])
     f = http_GET(u)
     return f.read()