Replace deprecated exists? methods

lib/hologram/doc_builder.rb

@@ -27,7 +27,7 @@ def self.from_yaml(yaml_file, extra_args = [])
     end
 
     def self.setup_dir
-      if File.exists?("hologram_config.yml")
+      if File.exist?("hologram_config.yml")
         DisplayMessage.warning("Cowardly refusing to overwrite existing hologram_config.yml")
         return
       end
@@ -250,18 +250,18 @@ def write_page(file_name, body, binding)
     def set_header_footer
       # load the markdown renderer we are going to use
 
-      if File.exists?("#{doc_assets_dir}/_header.html")
+      if File.exist?("#{doc_assets_dir}/_header.html")
         @header_erb = ERB.new(File.read("#{doc_assets_dir}/_header.html"))
-      elsif File.exists?("#{doc_assets_dir}/header.html")
+      elsif File.exist?("#{doc_assets_dir}/header.html")
         @header_erb = ERB.new(File.read("#{doc_assets_dir}/header.html"))
       else
         @header_erb = nil
         DisplayMessage.warning("No _header.html found in documentation assets. Without this your css/header will not be included on the generated pages.")
       end
 
-      if File.exists?("#{doc_assets_dir}/_footer.html")
+      if File.exist?("#{doc_assets_dir}/_footer.html")
         @footer_erb = ERB.new(File.read("#{doc_assets_dir}/_footer.html"))
-      elsif File.exists?("#{doc_assets_dir}/footer.html")
+      elsif File.exist?("#{doc_assets_dir}/footer.html")
         @footer_erb = ERB.new(File.read("#{doc_assets_dir}/footer.html"))
       else
         @footer_erb = nil

lib/hologram/doc_parser.rb

@@ -153,7 +153,7 @@ def build_output(doc_blocks, output_file = nil, depth = 1)
     end
 
     def is_supported_file_type?(file)
-      @supported_extensions.include?(File.extname(file)) and !Dir.exists?(file)
+      @supported_extensions.include?(File.extname(file)) and !Dir.exist?(file)
     end
 
     def get_file_name(str)

lib/hologram/version.rb

@@ -25,5 +25,5 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 module Hologram
-  VERSION = "1.4.0"
+  VERSION = "1.4.1"
 end

spec/doc_builder_spec.rb

@@ -111,13 +111,13 @@
     end
 
     it 'creates a config file' do
-      expect(File.exists?('hologram_config.yml')).to be_truthy
+      expect(File.exist?('hologram_config.yml')).to be_truthy
     end
 
     it 'creates default assets' do
       Dir.chdir('doc_assets') do
         ['_header.html', '_footer.html'].each do |asset|
-          expect(File.exists?(asset)).to be_truthy
+          expect(File.exist?(asset)).to be_truthy
         end
       end
     end