Removed mimemagic and falling back to file due to incompatible licence

NEWS

@@ -1,3 +1,7 @@
+4.3.8 (25/3/2021):
+
+* Removed mimemagic dependency due to newly incompatible licence
+
 4.3.7 (7/1/2016):
 
 * Add deprecation warnings

lib/paperclip.rb

@@ -65,8 +65,6 @@
   require "mime/types"
 end
 
-require 'mimemagic'
-require 'mimemagic/overlay'
 require 'logger'
 require 'cocaine'
 

lib/paperclip/content_type_detector.rb

@@ -60,17 +60,12 @@ def possible_types
     end
 
     def type_from_file_contents
-      type_from_mime_magic || type_from_file_command
+      type_from_file_command
     rescue Errno::ENOENT => e
       Paperclip.log("Error while determining content type: #{e}")
       SENSIBLE_DEFAULT
     end
 
-    def type_from_mime_magic
-      @type_from_mime_magic ||=
-        MimeMagic.by_magic(File.open(@filepath)).try(:type)
-    end
-
     def type_from_file_command
       @type_from_file_command ||=
         FileCommandContentTypeDetector.new(@filepath).detect

lib/paperclip/version.rb

@@ -1,3 +1,3 @@
 module Paperclip
-  VERSION = "4.3.7".freeze unless defined? Paperclip::VERSION
+  VERSION = "4.3.6".freeze unless defined? Paperclip::VERSION
 end

paperclip.gemspec

@@ -24,7 +24,6 @@ Gem::Specification.new do |s|
   s.add_dependency('activesupport', '>= 3.2.0')
   s.add_dependency('cocaine', '~> 0.5.5')
   s.add_dependency('mime-types')
-  s.add_dependency('mimemagic', '0.3.0')
 
   s.add_development_dependency('activerecord', '>= 3.2.0')
   s.add_development_dependency('shoulda')