Review Request 129599: segfault when ruby was not installed

[Leslie Zhai]

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https://git.reviewboard.kde.org/r/129599/
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(Updated 十二月 6, 2016, 2:58 p.m.)


Review request for KDevelop and Kevin Funk.


Repository: kdev-ruby


Description
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if ruby was not installed, ruby.readAllStandardOutput().split(' ')'s size is ZERO, so I simply added the check:

```
QByteArray allOutput = ruby.readAllStandardOutput();
if (allOutput.split(' ').size() > 1)
```


Diffs (updated)
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  languagesupport.cpp d618d7d 

Diff: https://git.reviewboard.kde.org/r/129599/diff/


Testing
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1. Not intalled ruby, kdevelop import redmin (a bug tracker written in ruby) will NOT segfault
2. Installed ruby, the same story


Thanks,

Leslie Zhai

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