Add a morph helper subcommand for expanding aliased repos

This is helpful for when the user is not sure what an aliases repo URL
actually expands to.

1 files changed, 53 insertions, 0 deletions

diff --git a/morphlib/plugins/expand_repo_plugin.py b/morphlib/plugins/expand_repo_plugin.py
new file mode 100644
index 00000000..9a3b45bf
--- /dev/null
+++ b/morphlib/plugins/expand_repo_plugin.py
@@ -0,0 +1,53 @@
+# Copyright (C) 2012  Codethink Limited
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+
+import cliapp
+import copy
+import glob
+import json
+import logging
+import os
+import shutil
+import socket
+import tempfile
+import time
+import urlparse
+import uuid
+
+import morphlib
+
+
+class ExpandRepoPlugin(cliapp.Plugin):
+
+    '''Expand an aliased repo URL to be unaliases.'''
+    
+    def enable(self):
+        self.app.add_subcommand(
+            'expand-repo', self.expand_repo, arg_synopsis='[REPOURL...]')
+    
+    def disable(self):
+        pass
+    
+    def expand_repo(self, args):
+        aliases = self.app.settings['repo-alias']
+        resolver = morphlib.repoaliasresolver.RepoAliasResolver(aliases)
+        for repourl in args:
+            self.app.output.write(
+                'Original: %s\npull: %s\npush: %s\n\n' %
+                    (repourl,
+                     resolver.pull_url(repourl),
+                     resolver.push_url(repourl)))
+