fix fstab entry iterator

Author: ryan-avamia

kanrisuru.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |gem|
   gem.description = 'Manage remote servers over ssh with ruby.'
   gem.homepage    = 'https://github.com/avamia/kanrisuru'
 
-  gem.required_ruby_version     = '>= 2.5.0'
+  gem.required_ruby_version = '>= 2.5.0'
 
   gem.add_development_dependency 'rspec', '~> 3.10'
   gem.add_development_dependency 'rubocop', '~> 1.12'

lib/kanrisuru/core/yum.rb

@@ -341,8 +341,11 @@ def yum_info(opts)
             end
           end
 
-          current_row.description = description.strip
-          rows << current_row
+          if current_row
+            current_row.description = description.strip
+            rows << current_row
+          end
+
           rows
         end
       end

lib/kanrisuru/remote/fstab.rb

@@ -67,7 +67,7 @@ def each(&block)
       def append_file!
         @file.append do |f|
           @entries.each do |_, entry|
-            f << entry.to_s if entry[:new]
+            f << entry[:entry].to_s if entry[:new]
           end
         end
 
@@ -78,13 +78,22 @@ def append_file!
       def write_file!
         @file.write do |f|
           @entries.each do |_, entry|
-            f << entry.to_s
+            f << entry[:entry].to_s
           end
         end
 
         reload!
       end
 
+      def to_s
+        lines = []
+        @entries.each do |_, entry|
+          lines << entry[:entry].to_s
+        end
+
+        lines.join("\n")
+      end
+
       def reload!
         init_from_os
       end

lib/kanrisuru/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Kanrisuru
-  VERSION = '0.2.8'
+  VERSION = '0.2.9'
 end

spec/functional/remote/fstab_spec.rb

@@ -16,6 +16,22 @@
         host.disconnect
       end
 
+      it 'outputs string version of fstab' do
+        host.su('root')
+
+        result = host.cat('/etc/fstab')
+        expect(result).to be_success
+        raw_file_lines = []
+        result.each do |line|
+          next if line.match(/^#/) || line == ''
+
+          raw_file_lines << line.split.join(' ')
+        end
+
+        raw_file_output = raw_file_lines.join("\n")
+        expect(raw_file_output).to eq(host.fstab.to_s)
+      end
+
       it 'parses fstab' do
         host.su('root')
         fstab = host.fstab