Fish shell + Nerd Font Hack + theme "Bobthefish" on Ubuntu

gistfile1.txt

# add fish-shell repo and install:
sudo apt-add-repository ppa:fish-shell/release-3 
sudo apt update
sudo apt install fish

# add nerd-font hack:
wget https://github.com/ryanoasis/nerd-fonts/releases/download/v2.1.0/Hack.zip
sudo mkdir /usr/local/share/fonts/Hack
sudo unzip Hack.zip -d /usr/local/share/fonts/Hack/
sudo fc-cache -fv

# set fish as default shell:
sudo chsh -s $(which fish) $USER

# install OMF:
curl -L http://get.oh-my.fish | fish

# install theme `bobthefish` https://github.com/oh-my-fish/theme-bobthefish
omf install bobthefish
set -U theme_nerd_fonts yes
set -U theme_display_date no