Add initial distributor CLI skeleton

internal/cli/run.go

@@ -0,0 +1,32 @@
+package cli
+
+import (
+	"context"
+	"fmt"
+	"io"
+
+	"gitea.maximumdirect.net/eric/distributor/internal/app"
+)
+
+func runCommand(ctx context.Context, args []string, stdout, stderr io.Writer) int {
+	if hasHelp(args) {
+		printRunHelp(stdout)
+		return exitOK
+	}
+	if len(args) > 0 {
+		fmt.Fprintf(stderr, "%s: run does not accept options yet: %v\n", app.Name, args)
+		return exitUsage
+	}
+	if err := app.Run(ctx, app.RunOptions{}); err != nil {
+		return fail(stderr, err)
+	}
+	return exitOK
+}
+
+func printRunHelp(w io.Writer) {
+	fmt.Fprint(w, `Usage:
+  distributor run
+
+The run command is present but distribution behavior is not implemented yet.
+`)
+}