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-rw-r--r--activesupport/CHANGELOG.md4
-rw-r--r--activesupport/lib/active_support/core_ext/kernel.rb1
-rw-r--r--activesupport/lib/active_support/core_ext/kernel/agnostics.rb13
3 files changed, 4 insertions, 14 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index 684ecddb18..1e726ceb54 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,3 +1,7 @@
+* Remove the `` Kernel#` `` override that suppresses ENOENT and accidentally returns nil on Unix systems
+
+ *Akinori Musha*
+
* Add `ActiveSupport::HashWithIndifferentAccess#assoc`.
`assoc` can now be called with either a string or a symbol.
diff --git a/activesupport/lib/active_support/core_ext/kernel.rb b/activesupport/lib/active_support/core_ext/kernel.rb
index 0f4356fbdd..7708069301 100644
--- a/activesupport/lib/active_support/core_ext/kernel.rb
+++ b/activesupport/lib/active_support/core_ext/kernel.rb
@@ -1,6 +1,5 @@
# frozen_string_literal: true
-require "active_support/core_ext/kernel/agnostics"
require "active_support/core_ext/kernel/concern"
require "active_support/core_ext/kernel/reporting"
require "active_support/core_ext/kernel/singleton_class"
diff --git a/activesupport/lib/active_support/core_ext/kernel/agnostics.rb b/activesupport/lib/active_support/core_ext/kernel/agnostics.rb
deleted file mode 100644
index 403b5f31f0..0000000000
--- a/activesupport/lib/active_support/core_ext/kernel/agnostics.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-# frozen_string_literal: true
-
-class Object
- # Makes backticks behave (somewhat more) similarly on all platforms.
- # On win32 `nonexistent_command` raises Errno::ENOENT; on Unix, the
- # spawned shell prints a message to stderr and sets $?. We emulate
- # Unix on the former but not the latter.
- def `(command) #:nodoc:
- super
- rescue Errno::ENOENT => e
- STDERR.puts "#$0: #{e}"
- end
-end