cmds.distro.CmdPkg: args.name -> names

Make all pkg commands take a "names" argument (plural) instead of
"name", and make it a non-option-argument, to be passed to the
subcomand instead.

Signed-off-by: Jan Lindemann <jan@janware.com>

src/python/jw/pkg/cmds/distro/CmdPkg.py

@@ -13,7 +13,6 @@ class CmdPkg(Cmd): # export
 
     def add_arguments(self, parser: ArgumentParser) -> None:
         super().add_arguments(parser)
-        parser.add_argument('--name', help='Package name')
 
     async def _run(self, args: Namespace) -> None:
-        return await self._backend.run(args)
+        return await super()._run(args)

src/python/jw/pkg/cmds/distro/pkg/Cmd.py

@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from argparse import Namespace, ArgumentParser
+
 from ..Cmd import Cmd as Base
 from ..CmdPkg import CmdPkg as Parent
 
@@ -10,6 +12,10 @@ class Cmd(Base): # export
     def __init__(self, parent: Parent, name: str, help: str) -> None:
         super().__init__(parent, name, help)
 
+    def add_arguments(self, parser: ArgumentParser) -> None:
+        super().add_arguments(parser)
+        parser.add_argument('names', nargs='*', help='Package names')
+
     @property
     def _backend(self) -> Backend:
         return self.parent._backend

src/python/jw/pkg/cmds/distro/pkg/CmdLs.py

@@ -14,5 +14,5 @@ class CmdLs(Cmd): # export
         super().add_arguments(parser)
 
     async def _run(self, args: Namespace) -> None:
-        files = await self._backend.list_files(args.name)
+        for name in args.names:
-        print('\n'.join(files))
+            print('\n'.join(await self._backend.files(name)))