How To Install Fish Shell On Linux

set fish_greeting
set VIRTUAL_ENV_DISABLE_PROMPT "1"
set -x MANPAGER "sh -c 'col -bx | bat -l man -p'"

if [ "$fish_key_bindings" = fish_vi_key_bindings ];
  bind -Minsert ! __history_previous_command
  bind -Minsert '$' __history_previous_command_arguments
else
  bind ! __history_previous_command
  bind '$' __history_previous_command_arguments
end

# Fish command history
function history
    builtin history --show-time='%F %T '
end

function backup --argument filename
    cp $filename $filename.bak
end

# Copy DIR1 DIR2
function copy
    set count (count $argv | tr -d \n)
    if test "$count" = 2; and test -d "$argv[1]"
	set from (echo $argv[1] | trim-right /)
	set to (echo $argv[2])
        command cp -r $from $to
    else
        command cp $argv
    end
end

## Useful aliases
# Replace ls with exa
alias ls='exa -al --color=always --group-directories-first --icons' # preferred listing
alias la='exa -a --color=always --group-directories-first --icons'  # all files and dirs
alias ll='exa -l --color=always --group-directories-first --icons'  # long format
alias lt='exa -aT --color=always --group-directories-first --icons' # tree listing
alias l.="exa -a | egrep '^\.'"                                     # show only dotfiles
alias ip="ip -color"

# Common use
alias grubup="sudo update-grub"
alias fixpacman="sudo rm /var/lib/pacman/db.lck"
alias tarnow='tar -acf '
alias untar='tar -xvf '
alias wget='wget -c '
alias rmpkg="sudo pacman -Rdd"
alias psmem='ps auxf | sort -nr -k 4'
alias psmem10='ps auxf | sort -nr -k 4 | head -10'
alias upd='/usr/bin/update'
alias ..='cd ..'
alias ...='cd ../..'
alias ....='cd ../../..'
alias .....='cd ../../../..'
alias ......='cd ../../../../..'
alias dir='dir --color=auto'
alias vdir='vdir --color=auto'
alias grep='grep --color=auto'
alias fgrep='fgrep --color=auto'
alias egrep='egrep --color=auto'
alias hw='hwinfo --short'                          # Hardware Info
alias big="expac -H M '%m\t%n' | sort -h | nl"     # Sort installed packages according to size in MB
alias gitpkg='pacman -Q | grep -i "\-git" | wc -l' # List amount of -git packages

# Get fastest mirrors
alias mirror="sudo reflector -f 30 -l 30 --number 10 --verbose --save /etc/pacman.d/mirrorlist"
alias mirrord="sudo reflector --latest 50 --number 20 --sort delay --save /etc/pacman.d/mirrorlist"
alias mirrors="sudo reflector --latest 50 --number 20 --sort score --save /etc/pacman.d/mirrorlist"
alias mirrora="sudo reflector --latest 50 --number 20 --sort age --save /etc/pacman.d/mirrorlist"

# Help people new to Arch
alias apt='man pacman'
alias apt-get='man pacman'
alias please='sudo'
alias tb='nc termbin.com 9999'

# Cleanup orphaned packages
alias cleanup='sudo pacman -Rns (pacman -Qtdq)'

# Get the error messages from journalctl
alias jctl="journalctl -p 3 -xb"

# Recent installed packages
alias rip="expac --timefmt='%Y-%m-%d %T' '%l\t%n %v' | sort | tail -200 | nl"


## Run fastfetch if session is interactive
# if status --is-interactive && type -q fastfetch
#    fastfetch --load-config neofetch
# end
starship init fish | source

if [[ $(ps --no-header --pid=$PPID --format=comm) != "fish" && -z ${BASH_EXECUTION_STRING} ]]
then
	exec fish
fi