From 7bfb5f8bae9b085e5b307526806d64c9d73c666e Mon Sep 17 00:00:00 2001
From: tupshin <tupshin@openenergysolutionsinc.com>
Date: Fri, 31 Jan 2020 12:54:20 -0500
Subject: [PATCH 1/2] add a public get_tree() method and have print_tree use it

Note that I found this useful when debugging and I didn't have access to a
normal stdout.
---
 src/system/system.rs | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/src/system/system.rs b/src/system/system.rs
index d00f019c..4bf278bc 100644
--- a/src/system/system.rs
+++ b/src/system/system.rs
@@ -239,24 +239,35 @@ impl ActorSystem {
     }
 
     pub fn print_tree(&self) {
-        fn print_node(sys: &ActorSystem, node: BasicActorRef, indent: &str) {
+        println!("{}", self.get_tree());
+    }
+
+    pub fn get_tree(&self) -> String {
+        let mut tree_str: String = String::new();
+        fn get_node(
+            mut tree_str: &mut String,
+            sys: &ActorSystem,
+            node: BasicActorRef,
+            indent: &str,
+        ) -> String {
             if node.is_root() {
-                println!("{}", sys.name());
+                tree_str.push_str(&mut format!("{}\n", sys.name()));
 
                 for actor in node.children() {
-                    print_node(sys, actor, "");
+                    get_node(&mut tree_str, sys, actor, "");
                 }
             } else {
-                println!("{}└─ {}", indent, node.name());
+                tree_str.push_str(&mut format!("{}└─ {}\n", indent, node.name()));
 
                 for actor in node.children() {
-                    print_node(sys, actor, &(indent.to_string() + "   "));
+                    get_node(tree_str, sys, actor, &(indent.to_string() + "   "));
                 }
             }
+            tree_str.to_string()
         }
 
         let root = self.sys_actors.as_ref().unwrap().root.clone();
-        print_node(self, root, "");
+        get_node(&mut tree_str, self, root, "")
     }
 
     /// Returns the system root's actor reference

From fda28c67cca9037994630b3766c1408a05fa5fee Mon Sep 17 00:00:00 2001
From: tupshin <tupshin@openenergysolutionsinc.com>
Date: Mon, 10 Feb 2020 17:26:44 -0500
Subject: [PATCH 2/2] updated to use the latest config crate

---
 Cargo.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index b3df1006..fbe7be11 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ travis-ci = { repository = "riker-rs/riker" }
 riker-macros = { path = "riker-macros", version = "0.1" }
 bytes = "0.4"
 chrono = "0.4"
-config = "0.9"
+config = "0.10.1"
 futures-preview = "0.3.0-alpha.16"
 log = { version = "0.4", features = ["std"] }
 rand = "0.4"