Do not depend on pastel

Gemfile.lock

@@ -2,21 +2,16 @@ PATH
   remote: .
   specs:
     snapshot_testing (0.2.0)
-      pastel (~> 0.7)
 
 GEM
   remote: https://rubygems.org/
   specs:
     coderay (1.1.2)
     diff-lcs (1.3)
     docile (1.3.2)
-    equatable (0.6.1)
     json (2.2.0)
     method_source (0.9.2)
     minitest (5.11.3)
-    pastel (0.7.3)
-      equatable (~> 0.6)
-      tty-color (~> 0.5)
     power_assert (1.1.3)
     pry (0.12.2)
       coderay (~> 1.1.0)
@@ -42,7 +37,6 @@ GEM
     simplecov-html (0.10.2)
     test-unit (3.2.9)
       power_assert
-    tty-color (0.5.0)
 
 PLATFORMS
   ruby

lib/snapshot_testing/recorder.rb

@@ -1,5 +1,4 @@
 require "fileutils"
-require "pastel"
 
 module SnapshotTesting
   class Recorder
@@ -65,7 +64,13 @@ def commit
     def log(count, status, color)
       label = count == 1 ? "snapshot" : "snapshots"
       message = "#{count} #{label} #{status}."
-      warn Pastel.new.public_send(color, message)
+
+      case color
+      when :yellow
+        warn "\e[33m#{message}\e[0m"
+      when :green
+        warn "\e[32m#{message}\e[0m"
+      end
     end
 
     def write(snapshots)

snapshot_testing.gemspec

@@ -23,7 +23,6 @@ Gem::Specification.new do |spec|
 
   spec.required_ruby_version = '>= 2.4.0'
 
-  spec.add_dependency "pastel", "~> 0.7"
   spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"