start command to add a project

include the command plugin and argument processing but no data storage

aeromancer/cli/app.py

@@ -1,4 +1,5 @@
 import logging
+import os
 import sys
 
 from cliff.app import App
@@ -22,6 +23,23 @@ class Aeromancer(App):
             command_manager=CommandManager('aeromancer.cli'),
         )
 
+    def build_option_parser(self, description, version,
+                            argparse_kwargs=None):
+        parser = super(Aeromancer, self).build_option_parser(
+            description,
+            version,
+            argparse_kwargs,
+        )
+        default_repo_root = os.environ.get('AEROMANCER_REPOS', '~/repos')
+        parser.add_argument(
+            '--repo-root',
+            default=os.path.expanduser(default_repo_root),
+            help=('directory where repositories are checked out; '
+                  'set with AEROMANCER_REPOS environment variable; '
+                  'defaults to %(default)s'),
+        )
+        return parser
+
     def configure_logging(self):
         super(Aeromancer, self).configure_logging()
         if self.options.verbose_level < 2:

aeromancer/cli/project.py

@@ -0,0 +1,25 @@
+import logging
+import os
+
+from cliff.command import Command
+
+
+class Add(Command):
+    "(Re)register a project to be scanned"
+
+    log = logging.getLogger(__name__)
+
+    def get_parser(self, prog_name):
+        parser = super(Add, self).get_parser(prog_name)
+        parser.add_argument(
+            'project',
+            nargs='+',
+            default=[],
+            help='project directory names under the project root, e.g., "stackforge/aeromancer"',
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        for project in parsed_args.project:
+            project_path = os.path.join(self.app.options.repo_root, project)
+            self.log.info('adding project %s from %s', project, project_path)

setup.cfg

@@ -49,3 +49,5 @@ output_file = aeromancer/locale/aeromancer.pot
 console_scripts =
     aeromancer = aeromancer.cli.app:main
 
+aeromancer.cli =
+    add = aeromancer.cli.project:Add