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Clarify X-Cascade header in ShowExceptions middleware [ci-skip]

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Clarify that the middleware looks at the `X-Cascade` header in the
response.

Co-authored-by: Hartley McGuire <skipkayhil@gmail.com>
This commit is contained in:
Petrik 2023-05-17 17:16:42 +02:00
parent 1173d2ce04
commit 72c5a69b5f
1 changed files with 5 additions and 4 deletions
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9
actionpack/lib/action_dispatch/middleware/show_exceptions.rb
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@ -16,10 +16,11 @@ module ActionDispatch
# In \Rails applications, the exceptions app can be configured with
# +config.exceptions_app+, which defaults to ActionDispatch::PublicExceptions.
#
# If the application returns an <tt>"X-Cascade" => "pass"</tt> response, this
# middleware will send an empty response as a result with the correct status
# code. If any exception happens inside the exceptions app, this middleware
# catches the exceptions and returns a failsafe response.
# If the application returns a response with the <tt>X-Cascade</tt> header
# set to <tt>"pass"</tt>, this middleware will send an empty response as a
# result with the correct status code. If any exception happens inside the
# exceptions app, this middleware catches the exceptions and returns a
# failsafe response.
class ShowExceptions
def initialize(app, exceptions_app)
@app = app