[eit.commands.lock] implement bash completion

server/eit/commands/lock.py

@@ -62,6 +62,39 @@ class EitLock(EitCommand):
 
         return parser
 
+    def bashcomp(self, last_arg):
+        """
+        Overridden from EitCommand
+        """
+        import sys
+
+        entropy_server = self._entropy(handle_uninitialized=False,
+                                       installed_repo=-1)
+        outcome = entropy_server.repositories()
+        for arg in self._args:
+            if arg in outcome:
+                # already given a repo
+                return
+        outcome += ["--client", "--status"]
+
+        def _startswith(string):
+            if last_arg is not None:
+                if last_arg not in outcome:
+                    return string.startswith(last_arg)
+            return True
+
+        if self._args:
+            # only filter out if last_arg is actually
+            # something after this.NAME.
+            outcome = sorted(filter(_startswith, outcome))
+
+        for arg in self._args:
+            if arg in outcome:
+                outcome.remove(arg)
+
+        sys.stdout.write(" ".join(outcome) + "\n")
+        sys.stdout.flush()
+
     def parse(self):
         parser = self._get_parser()
         try: