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[ruby/irb] Filter backtrace before format in handle_exception

Browse Source 
(https://github.com/ruby/irb/pull/916)

handle_exception now applies the filter_backtrace to exception
backtraces prior to formatting the lines with Exception#full_message

This fixes a bug in upstream projects, notably Rails, where the
backtrace filtering logic expects the lines to be formatted as
Exception#backtrace.

https://github.com/ruby/irb/commit/805ee008f9

Co-authored-by: Hartley McGuire <skipkayhil@gmail.com>
This commit is contained in:
Joshua Broughton 2024-04-05 10:25:45 -06:00 committed by git
parent dbe8886f4d
commit f87e60f1f4
1 changed files with 7 additions and 1 deletions
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8
lib/irb.rb
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@ -1222,6 +1222,13 @@ module IRB
irb_bug = true
else
irb_bug = false
# This is mostly to make IRB work nicely with Rails console's backtrace filtering, which patches WorkSpace#filter_backtrace
# In such use case, we want to filter the exception's backtrace before its displayed through Exception#full_message
# And we clone the exception object in order to avoid mutating the original exception
# TODO: introduce better API to expose exception backtrace externally
backtrace = exc.backtrace.map { |l| @context.workspace.filter_backtrace(l) }.compact
exc = exc.clone
exc.set_backtrace(backtrace)
end
if RUBY_VERSION < '3.0.0'
@ -1246,7 +1253,6 @@ module IRB
lines = m.split("\n").reverse
end
unless irb_bug
lines = lines.map { |l| @context.workspace.filter_backtrace(l) }.compact
if lines.size > @context.back_trace_limit
omit = lines.size - @context.back_trace_limit
lines = lines[0..(@context.back_trace_limit - 1)]