Fix host filter regression

lib/capistrano/configuration/host_filter.rb

@@ -1,10 +1,6 @@
-require 'capistrano/configuration/regex_filter'
-
 module Capistrano
   class Configuration
     class HostFilter
-      include RegexFilter
-
       def initialize values
         av = Array(values).dup
         av.map! { |v| (v.is_a?(String) && v =~ /^(?<name>[-A-Za-z0-9.]+)(,\g<name>)*$/) ? v.split(',') : v }
@@ -15,6 +11,20 @@ module Capistrano
       def filter servers
         Array(servers).select { |s| @rex.match s.to_s }
       end
+
+      private
+
+      def regex_matcher(values)
+        values.map! do |v|
+          case v
+          when Regexp then v
+          else
+            vs = v.to_s
+            vs =~ /^[-A-Za-z0-9.]+$/ ? vs : Regexp.new(vs)
+          end
+        end
+        Regexp.union values
+      end
     end
   end
 end

lib/capistrano/configuration/regex_filter.rb

@@ -1,17 +0,0 @@
-module Capistrano
-  class Configuration
-    module RegexFilter
-      def regex_matcher values
-        av = values.map do |v|
-          case v
-          when Regexp then v
-          else
-            vs = v.to_s
-            vs =~ %r{^/(.+)/$} ? Regexp.new($1) : %r{^#{vs}$}
-          end
-        end
-        Regexp.union av
-      end
-    end
-  end
-end

lib/capistrano/configuration/role_filter.rb

@@ -1,10 +1,6 @@
-require 'capistrano/configuration/regex_filter'
-
 module Capistrano
   class Configuration
     class RoleFilter
-      include RegexFilter
-
       def initialize values
         av = Array(values).dup
         av.map! { |v| v.is_a?(String) ? v.split(',') : v }
@@ -15,6 +11,20 @@ module Capistrano
       def filter servers
         Array(servers).select { |s| s.is_a?(String) ? false : s.roles.any? { |r| @rex.match r } }
       end
+
+      private
+
+      def regex_matcher(values)
+        values.map! do |v|
+          case v
+          when Regexp then v
+          else
+            vs = v.to_s
+            vs =~ %r{^/(.+)/$} ? Regexp.new($1) : %r{^#{vs}$}
+          end
+        end
+        Regexp.union values
+      end
     end
   end
 end

spec/lib/capistrano/configuration/host_filter_spec.rb

@@ -44,6 +44,11 @@ module Capistrano
           it_behaves_like 'it filters hosts correctly', %w{server1 server3}
         end
 
+        context 'with a regexp with line boundaries' do
+          let(:values) { '^server' }
+          it_behaves_like 'it filters hosts correctly', %w{server1 server2 server3 server4 server5}
+        end
+
         context 'with a regexp with a comma' do
           let(:values) { 'server\d{1,3}$' }
           it_behaves_like 'it filters hosts correctly', %w{server1 server2 server3 server4 server5}