[rubygems/rubygems] Consistently use :create action when creating directories

It gives better errors.

https://github.com/rubygems/rubygems/commit/bedae080ef

lib/bundler.rb

@@ -493,7 +493,7 @@ module Bundler
     end
 
     def mkdir_p(path)
-      SharedHelpers.filesystem_access(path, :write) do |p|
+      SharedHelpers.filesystem_access(path, :create) do |p|
         FileUtils.mkdir_p(p)
       end
     end

lib/bundler/settings.rb

@@ -425,8 +425,12 @@ module Bundler
       Validator.validate!(raw_key, converted_value(value, raw_key), hash)
 
       return unless file
+
+      SharedHelpers.filesystem_access(file.dirname, :create) do |p|
+        FileUtils.mkdir_p(p)
+      end
+
       SharedHelpers.filesystem_access(file) do |p|
-        FileUtils.mkdir_p(p.dirname)
         p.open("w") {|f| f.write(serializer_class.dump(hash)) }
       end
     end

lib/bundler/shared_helpers.rb

@@ -96,7 +96,7 @@ module Bundler
     #   given block
     #
     # @example
-    #   filesystem_access("vendor/cache", :write) do
+    #   filesystem_access("vendor/cache", :create) do
     #     FileUtils.mkdir_p("vendor/cache")
     #   end
     #

spec/bundler/bundler/settings_spec.rb

@@ -121,12 +121,13 @@ that would suck --ehhh=oh geez it looks like i might have broken bundler somehow
       end
     end
 
-    context "when it's not possible to write to the file" do
+    context "when it's not possible to create the settings directory" do
       it "raises an PermissionError with explanation" do
-        expect(::Bundler::FileUtils).to receive(:mkdir_p).with(settings.send(:local_config_file).dirname).
-          and_raise(Errno::EACCES)
+        settings_dir = settings.send(:local_config_file).dirname
+        expect(::Bundler::FileUtils).to receive(:mkdir_p).with(settings_dir).
+          and_raise(Errno::EACCES.new(settings_dir.to_s))
         expect { settings.set_local :frozen, "1" }.
-          to raise_error(Bundler::PermissionError, /config/)
+          to raise_error(Bundler::PermissionError, /#{settings_dir}/)
       end
     end
   end
@@ -164,12 +165,13 @@ that would suck --ehhh=oh geez it looks like i might have broken bundler somehow
   end
 
   describe "#set_global" do
-    context "when it's not possible to write to the file" do
+    context "when it's not possible to write to create the settings directory" do
       it "raises an PermissionError with explanation" do
-        expect(::Bundler::FileUtils).to receive(:mkdir_p).with(settings.send(:global_config_file).dirname).
-          and_raise(Errno::EACCES)
+        settings_dir = settings.send(:global_config_file).dirname
+        expect(::Bundler::FileUtils).to receive(:mkdir_p).with(settings_dir).
+          and_raise(Errno::EACCES.new(settings_dir.to_s))
         expect { settings.set_global(:frozen, "1") }.
-          to raise_error(Bundler::PermissionError, %r{\.bundle/config})
+          to raise_error(Bundler::PermissionError, /#{settings_dir}/)
       end
     end
   end

spec/bundler/commands/install_spec.rb

@@ -890,7 +890,7 @@ RSpec.describe "bundle install with gem sources" do
       bundle "config set --local path vendor"
       bundle :install, raise_on_error: false
       expect(err).to include(bundle_path.to_s)
-      expect(err).to include("grant write permissions")
+      expect(err).to include("grant executable permissions")
     end
   end