From f58dc0c7f72fa036adab1c8ca2de6ec968989ea1 Mon Sep 17 00:00:00 2001
From: s-ol <s-ol@users.noreply.github.com>
Date: Mon, 2 Mar 2020 18:27:49 +0100
Subject: only :tick after :setup if dirty

---
 core/invoke.moon | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'core/invoke.moon')

diff --git a/core/invoke.moon b/core/invoke.moon
index 1fac7b8..ba19cc5 100644
--- a/core/invoke.moon
+++ b/core/invoke.moon
@@ -16,7 +16,16 @@ class op_invoke extends Action
   eval: (scope, tail) =>
     children = L\push -> [L\push expr\eval, scope for expr in *tail]
     @op\setup [result for result in *children]
-    @op\tick true
+
+    any_dirty = false
+    for input in @op\all_inputs!
+      if input\dirty!
+        any_dirty = true
+        break
+
+    if any_dirty
+      @op\tick true
+
     for input in @op\all_inputs!
       input\finish_setup!
 
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