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I use the fish shell. I'm trying to run vim inside tmux with the solarized theme, but the colors are broken unless I run:

set -lx TERM screen-256color-bce;

before running tmux attach.

It's annoying having to run this every day, so I want to set the TERM variable permanently. However, fish seems to ignore when I set this particular variable with set -U:

$ set -U foo bar; echo $foo
foo bar
$ set -U TERM screen-256color-bce; echo $TERM
TERM xterm
$ set -lx TERM screen-256color-bce; echo $TERM
TERM screen-256color-bce

I even tried putting set -lx TERM screen-256color-bce in ~/.config/fish/config.fish, but a new fish (initiated outside tmux) always has TERM set to xterm.

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1 Answer 1

This seems to be what you are looking for:

https://wiki.archlinux.org/index.php/Tmux#Setting_the_correct_term

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1  
That page describes what I'm trying to do (set TERM to screen-256color-bce), but it doesn't explain why I can only set this variable locally in the fish shell. –  sjy Jan 18 '13 at 4:07
1  
set -g default-terminal "screen-256color" –  lsd Jan 18 '13 at 12:52
    
I have never used fish shell, so I may not be much help. Try some debugging, but some echo statements just before the set and after, make sure they are run, and print the value of TERm right after it is set.... if the debug statements don't print, it is possible the script isn't being run. –  lsd Jan 18 '13 at 13:02

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