From b204b3e85567ceab7a1140530acdda998da98b37 Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Wed, 16 Mar 2022 16:58:47 +0100
Subject: [PATCH] Skip early if line doesn't look like a patch
MIME-Version: 1.0
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This allows us to skip exception handling (substr) later. 😉
---
 src/main.cpp | 35 +++++++++++++++++++----------------
 1 file changed, 19 insertions(+), 16 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 99cd211..d53f123 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -53,24 +53,27 @@ int main()
     while (std::getline(std::cin, line))
     {
         const auto line_nc{remove_colors(line)};
-        // Don't color +++ and --- lines
-        if (line_nc.length() >= 2
-            && (line_nc.length() < 3
-                || (line_nc[2] != '+' && line_nc[2] != '-')))
+        // Only look at lines starting with + or -
+        if (line_nc.length() >= 2 && (line_nc[0] == '+' || line_nc[0] == '-'))
         {
-            if (line_nc[1] == '+')
+            // Don't color +++ and --- lines
+            if (line_nc.length() < 3
+                || (line_nc[2] != '+' && line_nc[2] != '-'))
             {
-                const auto pos{get_start_pos(line)};
-                std::cout << line.substr(0, pos) << green << line.substr(pos)
-                          << reset << '\n';
-                continue;
-            }
-            if (line_nc[1] == '-')
-            {
-                const auto pos{get_start_pos(line)};
-                std::cout << line.substr(0, pos) << red << line.substr(pos)
-                          << reset << '\n';
-                continue;
+                if (line_nc[1] == '+')
+                {
+                    const auto pos{get_start_pos(line)};
+                    std::cout << line.substr(0, pos) << green
+                              << line.substr(pos) << reset << '\n';
+                    continue;
+                }
+                if (line_nc[1] == '-')
+                {
+                    const auto pos{get_start_pos(line)};
+                    std::cout << line.substr(0, pos) << red << line.substr(pos)
+                              << reset << '\n';
+                    continue;
+                }
             }
         }
         std::cout << line << '\n';