Over the years, I’ve primarily used bash with occassional forays into zsh (and oh-my-zsh). zsh never seemed significantly better than bash, and it introduced enough friction in writing and running scripts that I’d inevitably switch back to trusty bash after a few months.
I’ve played around with fish in the past, but I never took the time to make an honest go at it. This time I’ve decided to spend some time to learn the shell, port my bash customizations, and see if fish will become my permanent choice.
Installing on archlinux is fairly straight forward, as the package is simply called
fish. Then I ran
chsh -s /usr/bin/fish to set fish as my default shell upon login.
Fish configuration location
Fish helpfully stores its primary configuration at
$XDG_CONFIG_HOME/fish/config.fish, which is
already a welcome change from putting random dot files in your home directory. Also, by default,
looks for function files in
Setting vi mode
Setting vi mode in fish involvings invoking a built-in function.
# ~/.config/fish/config.fish fish_vi_key_bindings
The next challenge is porting over my
.bash_profile. Mine doesn’t do much except set an env var
then start xorg, since I don’t use a display manager:
# ~/.bash_profile [[ -f ~/.bashrc ]] && . ~/.bashrc if [[ ! $DISPLAY && $XDG_VTNR -eq 1 ]]; then export QT_AUTO_SCREEN_SCALE_FACTOR=0 exec startx fi
Wanting to use functions, I did this:
# ~/.config/fish/config.fish start_xserver
# ~/.config/fish/functions/start_xserver.fish function start_xserver if test -z $DISPLAY && $XDG_VTNR -eq 1 setenv QT_AUTO_SCREEN_SCALE_FACTOR 0 exec startx end end
fzf was a bit of a game changer for me after switching to fish. CTRL-R history search becomes fuzzy and so I can type the first half of a command followed by some other random bit of the command and have it selected properly.
# yay -S fzf # curl -sL https://git.io/fisher | source && fisher install jorgebucaran/fisher # fisher install jethrokuan/fzf
Intellij / Goland
I had to set the Settings -> Terminal -> Application Settings -> Shell Path:
/usr/bin/env XDG_CONFIG_HOME=/home/victor/.config /usr/bin/fish
This got fish running properly in the IntelliJ built-in terminal.
Update in March 2021
It’s been over 6 months since I’ve installed fish and I haven’t gone back to bash, so I suppose it’s been a successful switch.
I still sometimes switch back to bash to run some one-line loops because of muscle memory of bash syntax instead of learning the fish equivalent. I also find the fish vi mode somewhat inconsistent compared to bash’s vi emulation.
However, aside from that, I find fish to be very fast and configurable.