From 68db304a2aa7f53db4f5faa050e3702b2684d719 Mon Sep 17 00:00:00 2001
From: Kamal Ahmad <kamalahmad22@pm.me>
Date: Tue, 24 Sep 2019 20:33:50 +0500
Subject: [PATCH] Don't apply alpha optimizations unless --alpha is paseed
 (#187)

Closes #164
---
 src/lib.rs  | 9 ++-------
 src/main.rs | 1 +
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index f4179808..4b0ccd8d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -250,11 +250,6 @@ impl Options {
     }
 
     fn apply_preset_4(mut self) -> Self {
-        self.alphas.insert(AlphaOptim::White);
-        self.alphas.insert(AlphaOptim::Up);
-        self.alphas.insert(AlphaOptim::Down);
-        self.alphas.insert(AlphaOptim::Left);
-        self.alphas.insert(AlphaOptim::Right);
         self.apply_preset_3()
     }
 
@@ -285,9 +280,9 @@ impl Default for Options {
         for i in 0..4 {
             strategies.insert(i);
         }
+        // We always need NoOp to be present
         let mut alphas = HashSet::new();
-        alphas.insert(colors::AlphaOptim::NoOp);
-        alphas.insert(colors::AlphaOptim::Black);
+        alphas.insert(AlphaOptim::NoOp);
 
         Options {
             backup: false,
diff --git a/src/main.rs b/src/main.rs
index a83ea18c..e7f37171 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -363,6 +363,7 @@ fn parse_opts_into_struct(
     };
 
     if matches.is_present("alpha") {
+        opts.alphas.insert(AlphaOptim::Black);
         opts.alphas.insert(AlphaOptim::White);
         opts.alphas.insert(AlphaOptim::Up);
         opts.alphas.insert(AlphaOptim::Down);