Redirect if_ruby's stderr to vim message #3238
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Problem === Sometimes Ruby program outputs warnings to stderr. And it breaks vim drawing when using if_ruby. For example: ```vim " in vimrc ruby $stderr.write 'something' ``` It breaks Vim drawing. And reading the warning is hard. Because the warning will fade out by re-rendering of Vim. Solution ==== Redirect stderr to vim message same as stdout. This change will display warnings as vim's message, so it does not break drawing of Vim. And we can look again warnings by `:messages` command.
Codecov Report
@@ Coverage Diff @@
## master #3238 +/- ##
==========================================
- Coverage 76.44% 76.42% -0.02%
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Files 93 93
Lines 136798 136802 +4
==========================================
- Hits 104570 104554 -16
- Misses 32228 32248 +20
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Problem
Sometimes Ruby program outputs warnings to stderr. And it breaks vim drawing when using if_ruby.
For example:
It breaks Vim drawing. And reading the warning is hard. Because the warning will fade out by re-rendering of Vim.
Solution
Redirect stderr to vim message same as stdout.
This change will display warnings as vim's message, so it does not break drawing of Vim. And we can look again warnings by
:messagescommand.