Reline hangs on Windows 11 when previously calling Open3

[adfoster-r7]

Hi there 👋

Just thought I'd cross-reference this Windows 11 issue that folk been hitting when using Open3 and IRB/Reline together:

oneclick/rubyinstaller2#288

I'm not sure if this is a Reline specific issue, but I thought I would reference it just incase 👍

[elfham]

oneclick/rubyinstaller2#288 (comment)

Reline outputs the character ▽ to the terminal to identify the character width of the terminal.

reline/lib/reline.rb

Line 418 in 97bd40a

output.write "\u{25bd}"

It seems to be stuck at this point.

[tompng]

Similar issue is reported in #545 #676.

And I think it is fixed with #734 and released as v0.5.10 in September 05, 2024.

Please let us know if issue still exist in the latest Reline.
According to the past investigation, it happens after popen or backtick, and perhaps any external command execution. At least one of the cause is fixed in v0.5.10.
Since I have no idea of the cause (and no windows machine), it'd be very helpful if someone could debug it.

[johnnyshields]

I confirmed this issue is not yet fixed. It still happens on Windows 11 with:

RUBY_VERSION #=> "3.4.4"
Reline::VERSION #=> "0.6.2"
IRB::VERSION #=> "1.15.2"

On Windows I can reproduce it by running the following in IRB:

Open3.capture3('git status')