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Bug 495160 - Emerge output partially unreadable
Summary: Emerge output partially unreadable
Status: RESOLVED WORKSFORME
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Unspecified (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Linux bug wranglers
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-12-23 20:47 UTC by consumer21
Modified: 2015-03-31 12:13 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


Attachments
Screenshot of emerge output (cannotread.png,45.75 KB, image/png)
2013-12-23 20:47 UTC, consumer21
Details

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Description consumer21 2013-12-23 20:47:57 UTC
Created attachment 366020 [details]
Screenshot of emerge output

The output of the emerge command contains dark blue text on black background. This is unreadable with the naked eye.

See the attached screenshot.
Comment 1 Kent Fredric (IRC: kent\n) (RETIRED) gentoo-dev 2013-12-23 23:31:25 UTC
I believe is not really a bug.

1. If you're on anything other than a plain ol' VT, the color returned by \e[34m is usually controlled by your terminal, and many terminals give options to adjust the exact shade.

2. Screens are very different. For instance, your image is quite readable by me. ( Eyesight can be a factor too ).

3. If neither of the above are satisfactory solutions, you can override it in /etc/portage/color.map  ( man color.map ), so that it displays in a colour of your choosing =).

Hope that helps  =).
Comment 2 Jeroen Roovers (RETIRED) gentoo-dev 2013-12-24 02:19:48 UTC
Terminals control what colours are used, not sys-apps/portage, except in color.map and in `--color n'.
Comment 3 Nuno Silva 2015-03-31 09:30:43 UTC
In rxvt-unicode, this seems to be controlled by URxvt.color4. But the value of this setting is used to control both foreground and background colors.

In systems where color4 is unreadable as a foreground color on a black background, setting it to something brighter will make the corresponding background color too bright. And some programs will also use this as a background color (for example, irssi's default theme). I have not found a way to set the background color separately.

I have noticed that this also changes with the graphics adapter and the display, but on some systems, this is still unreadable.

Having to change programs so that they avoid this color seems a bit hackish, if you say this color should be okay to use as a foreground color, then perhaps there is a bug in rxvt-unicode?
Comment 4 Nuno Silva 2015-03-31 12:13:01 UTC
The color problem seems to be reproducible (blue being unreadable) in other terminal emulators on the same machine, including linux's tty, which suggests that this may be related to the GPU or the GPU driver or its settings.