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-rw-r--r--README.md2
-rw-r--r--activesupport/lib/active_support/core_ext/file/atomic.rb2
-rw-r--r--activesupport/test/core_ext/file_test.rb14
3 files changed, 16 insertions, 2 deletions
diff --git a/README.md b/README.md
index 461e8cea78..56d2b9909c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
# Welcome to Rails
-## What's Rails
+## What's Rails?
Rails is a web-application framework that includes everything needed to
create database-backed web applications according to the
diff --git a/activesupport/lib/active_support/core_ext/file/atomic.rb b/activesupport/lib/active_support/core_ext/file/atomic.rb
index 8e288833b6..9deceb1bb4 100644
--- a/activesupport/lib/active_support/core_ext/file/atomic.rb
+++ b/activesupport/lib/active_support/core_ext/file/atomic.rb
@@ -29,7 +29,7 @@ class File
old_stat = if exist?(file_name)
# Get original file permissions
stat(file_name)
- elsif temp_dir != dirname(file_name)
+ else
# If not possible, probe which are the default permissions in the
# destination directory.
probe_stat_in(dirname(file_name))
diff --git a/activesupport/test/core_ext/file_test.rb b/activesupport/test/core_ext/file_test.rb
index 9c97700e5d..186c863f91 100644
--- a/activesupport/test/core_ext/file_test.rb
+++ b/activesupport/test/core_ext/file_test.rb
@@ -59,6 +59,20 @@ class AtomicWriteTest < ActiveSupport::TestCase
File.unlink(file_name) rescue nil
end
+ def test_atomic_write_preserves_file_permissions_same_directory
+ Dir.mktmpdir do |temp_dir|
+ File.chmod 0700, temp_dir
+
+ probed_permissions = File.probe_stat_in(temp_dir).mode.to_s(8)
+
+ File.atomic_write(File.join(temp_dir, file_name), &:close)
+
+ actual_permissions = File.stat(File.join(temp_dir, file_name)).mode.to_s(8)
+
+ assert_equal actual_permissions, probed_permissions
+ end
+ end
+
def test_atomic_write_returns_result_from_yielded_block
block_return_value = File.atomic_write(file_name, Dir.pwd) do |file|
"Hello world!"