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Description of problem:
When run guestfish in a terminal which have a black background colour, it is very inconvenient to read the output, see attachment: guestfish_1.png. When login a host in text mode directly, then i must change the guestfish output colour via 'export GUESTFISH_OUTPUT='. Maybe the default output colour is black and can set the colour by export GUESTFISH_OUTPUT='\e[0;33m', but if guestfish can adjust its default output colour according the terminal's background colour, it will be a very nice thing.


Version-Release number of selected component (if applicable):
libguestfs-1.27.48-1.1.el7


How reproducible:
100%


Steps to Reproduce:
1. Set your terminal's background to black
2. #guestfish

Welcome to guestfish, the guest filesystem shell for
editing virtual machine filesystems and disk images.

Type: 'help' for help on commands
          'man' to read the manual
          'quit' to quit the shell

><fs> help ls


Actual results:
The output of ls help message is in black font which is the same colour with its backgroud colour. This make it inconvenient to read.


Expected results:
The output should be convenient to read


Additional info:

Created attachment 939071 [details]
guestfish_1.png

The fix to this is the same one as bug 1144201 and therefore
for my convenience I'm marking it as a duplicate.

*** This bug has been marked as a duplicate of bug 1144201 ***