patch: create sub-command structure

Create the sub-command structure for the :patch command. Make the :patch
command accessible from any context.

Signed-off-by: Koni Marti <koni.marti@gmail.com>
Acked-by: Robin Jarry <robin@jarry.cc>

1 files changed, 6 insertions, 1 deletions

diff --git a/commands/commands.go b/commands/commands.go
index 2893aa82..3270bee6 100644
--- a/commands/commands.go
+++ b/commands/commands.go
@@ -185,7 +185,12 @@ func GetCompletions(
 ) (options []string, prefix string) {
 	// copy zeroed struct
 	tmp := reflect.New(reflect.TypeOf(cmd)).Interface().(Command)
-	spec := opt.NewCmdSpec(args.Arg(0), tmp)
+	s, err := args.ArgSafe(0)
+	if err != nil {
+		log.Errorf("completions error: %v", err)
+		return options, prefix
+	}
+	spec := opt.NewCmdSpec(s, tmp)
 	return spec.GetCompletions(args)
 }