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Restore $! when catching exception. #615

merged 1 commit into from Apr 24, 2013


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commented Mar 30, 2013

Hack-ish workaround for JRUBY-7134 that restores $! when an exception is thrown when checking whether the dir exists.

Added also pull request for rubyspec.


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commented Mar 30, 2013

This works, but I am a bit worried about committing this. I have not looked at MRI source, but ideally we should add smarts to FileStat to avoid setting $! in the first place if the operand is a directory.


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commented Mar 30, 2013

Yup. As I said, hack-ish. The alternative is to modify jnr-posix directly, or amend JRubyPOSIXHandler to interact with it, but I was a bit reluctant to do that.

enebo added a commit that referenced this pull request Apr 24, 2013

Merge pull request #615 from tychobrailleur/exist_fix
Restore $! when catching exception.  In most cases jnr-posix on an error will throw and not get caught like this.   This is a special case and without significant changes jnr-posix this looks like the best fix to me.

@enebo enebo merged commit de7171d into jruby:master Apr 24, 2013

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