nix-config/home-manager/_mixins/cli/fish.nix
2023-10-02 13:34:14 +00:00

265 lines
9.6 KiB
Nix

{ pkgs, lib, config, ... }:
let
inherit (lib) mkIf;
hasPackage = pname: lib.any (p: p ? pname && p.pname == pname) config.home.packages;
hasRipgrep = hasPackage "ripgrep";
hasExa = hasPackage "eza";
hasNeovim = config.programs.neovim.enable;
hasEmacs = config.programs.emacs.enable;
hasNeomutt = config.programs.neomutt.enable;
hasShellColor = if builtins.hasAttr "shellcolor" config.programs then config.programs.shellcolor.enable else false;
hasKitty = config.programs.kitty.enable;
shellcolor = "${pkgs.shellcolord}/bin/shellcolor";
in
{
programs.fish = {
enable = true;
shellAbbrs = rec {
jqless = "jq -C | less -r";
n = "nix";
nd = "nix develop -c $SHELL";
ns = "nix shell";
nsn = "nix shell nixpkgs#";
nb = "nix build";
nbn = "nix build nixpkgs#";
nf = "nix flake";
nr = "nixos-rebuild --flake .";
nrs = "nixos-rebuild --flake . switch";
snr = "sudo nixos-rebuild --flake .";
snrs = "sudo nixos-rebuild --flake . switch";
hm = "home-manager --flake .";
hms = "home-manager -b bkup --flake .gburd@$(hostmname) switch";
nh-ask = "nix run github:viperML/nh -- os switch --ask --nom .";
ls = mkIf hasExa "eza";
exa = mkIf hasExa "eza";
e = mkIf hasEmacs "emacsclient -t";
vrg = mkIf (hasNeomutt && hasRipgrep) "nvimrg";
vim = mkIf hasNeovim "nvim";
vi = vim;
v = vim;
mutt = mkIf hasNeomutt "neomutt";
m = mutt;
locate = "plocate";
cik = mkIf hasKitty "clone-in-kitty --type os-window";
ck = cik;
};
shellAliases = {
# Clear screen and scrollback
clear = "printf '\\033[2J\\033[3J\\033[1;1H'";
};
functions = {
# Disable greeting
fish_greeting = "";
# Grep using ripgrep and pass to nvim
nvimrg = mkIf (hasNeomutt && hasRipgrep) "nvim -q (rg --vimgrep $argv | psub)";
# Integrate ssh with shellcolord
ssh = mkIf hasShellColor ''
${shellcolor} disable $fish_pid
# Check if kitty is available
if set -q KITTY_PID && set -q KITTY_WINDOW_ID && type -q -f kitty
kitty +kitten ssh $argv
else
command ssh $argv
end
${shellcolor} enable $fish_pid
${shellcolor} apply $fish_pid
'';
};
interactiveShellInit =
# Open command buffer in vim when alt+e is pressed
''
bind \ee edit_command_buffer
'' +
# kitty integration
''
set --global KITTY_INSTALLATION_DIR "${pkgs.kitty}/lib/kitty"
set --global KITTY_SHELL_INTEGRATION enabled
source "$KITTY_INSTALLATION_DIR/shell-integration/fish/vendor_conf.d/kitty-shell-integration.fish"
set --prepend fish_complete_path "$KITTY_INSTALLATION_DIR/shell-integration/fish/vendor_completions.d"
'' +
# Use Emacs bindings and cursors
# https://gist.githubusercontent.com/zuigon/8852793/raw/770d705897112a870adc2b27d056a61892aa3a9a/keybindings.fish
''
function fish_default_key_bindings -d "Default (Emacs-like) key bindings for fish"
# Clear earlier bindings, if any
bind --erase --all
# This is the default binding, i.e. the one used if no other binding matches
bind "" self-insert
bind \n execute
bind \ck kill-line
bind \cy yank
bind \t complete
bind \e\n "commandline -i \n"
bind \e\[A up-or-search
bind \e\[B down-or-search
bind -k down down-or-search
bind -k up up-or-search
bind \e\[C forward-char
bind \e\[D backward-char
bind -k right forward-char
bind -k left backward-char
bind -k dc delete-char
bind -k backspace backward-delete-char
bind \x7f backward-delete-char
bind \e\[H beginning-of-line
bind \e\[F end-of-line
# for PuTTY
# https://github.com/fish-shell/fish-shell/issues/180
bind \e\[1~ beginning-of-line
bind \e\[3~ delete-char
bind \e\[4~ end-of-line
# OS X SnowLeopard doesn't have these keys. Don't show an annoying error message.
bind -k home beginning-of-line 2> /dev/null
bind -k end end-of-line 2> /dev/null
bind \e\[3\;2~ backward-delete-char # Mavericks Terminal.app shift-delete
bind \e\eOC nextd-or-forward-word
bind \e\eOD prevd-or-backward-word
bind \e\e\[C nextd-or-forward-word
bind \e\e\[D prevd-or-backward-word
bind \eO3C nextd-or-forward-word
bind \eO3D prevd-or-backward-word
bind \e\[3C nextd-or-forward-word
bind \e\[3D prevd-or-backward-word
bind \e\[1\;3C nextd-or-forward-word
bind \e\[1\;3D prevd-or-backward-word
bind \e\eOA history-token-search-backward
bind \e\eOB history-token-search-forward
bind \e\e\[A history-token-search-backward
bind \e\e\[B history-token-search-forward
bind \eO3A history-token-search-backward
bind \eO3B history-token-search-forward
bind \e\[3A history-token-search-backward
bind \e\[3B history-token-search-forward
bind \e\[1\;3A history-token-search-backward
bind \e\[1\;3B history-token-search-forward
bind \ca beginning-of-line
bind \ce end-of-line
bind \ey yank-pop
bind \ch backward-delete-char
bind \cw backward-kill-word
bind \cp history-search-backward
bind \cn history-search-forward
bind \cf forward-char
bind \cb backward-char
bind \ct transpose-chars
bind \et transpose-words
bind \eu upcase-word
# This clashes with __fish_list_current_token
# bind \el downcase-word
bind \ec capitalize-word
bind \e\x7f backward-kill-word
bind \eb backward-word
bind \ef forward-word
bind \e\[1\;5C forward-word
bind \e\[1\;5D backward-word
bind \e\[1\;9A history-token-search-backward # iTerm2
bind \e\[1\;9B history-token-search-forward # iTerm2
bind \e\[1\;9C forward-word #iTerm2
bind \e\[1\;9D backward-word #iTerm2
# Bash compatibility
# https://github.com/fish-shell/fish-shell/issues/89
bind \e. history-token-search-backward
bind \ed forward-kill-word
bind -k ppage beginning-of-history
bind -k npage end-of-history
bind \e\< beginning-of-buffer
bind \e\> end-of-buffer
bind \el __fish_list_current_token
bind \ew 'set tok (commandline -pt); if test $tok[1]; echo; whatis $tok[1]; commandline -f repaint; end'
bind \cl 'clear; commandline -f repaint'
bind \cc 'commandline ""'
bind \cu backward-kill-line
bind \ed kill-word
bind \cw backward-kill-path-component
bind \ed 'set -l cmd (commandline); if test -z "$cmd"; echo; dirh; commandline -f repaint; else; commandline -f kill-word; end'
bind \cd delete-or-exit
# Allow reading manpages by pressing F1
bind -k f1 'man (basename (commandline -po; echo))[1] ^/dev/null; or echo -n \a'
# This will make sure the output of the current command is paged using the less pager when you press Meta-p
bind \ep '__fish_paginate'
# shift-tab does a tab complete followed by a search
bind --key btab complete-and-search
# escape cancels stuff
bind \e cancel
# term-specific special bindings
switch "$TERM"
case 'rxvt*'
bind \e\[8~ end-of-line
bind \eOc forward-word
bind \eOd backward-word
end
end
fish_default_key_bindings
'' +
# Use vim bindings and cursors
''
function fish_enable_vi_key_bindings -d "Default (Emacs-like) key bindings for fish"
# Clear earlier bindings, if any
bind --erase --all
fish_vi_key_bindings
set fish_cursor_default block blink
set fish_cursor_insert line blink
set fish_cursor_replace_one underscore blink
set fish_cursor_visual block
end
'' +
# Use terminal colors
''
set -U fish_color_autosuggestion brblack
set -U fish_color_cancel -r
set -U fish_color_command brgreen
set -U fish_color_comment brmagenta
set -U fish_color_cwd green
set -U fish_color_cwd_root red
set -U fish_color_end brmagenta
set -U fish_color_error brred
set -U fish_color_escape brcyan
set -U fish_color_history_current --bold
set -U fish_color_host normal
set -U fish_color_match --background=brblue
set -U fish_color_normal normal
set -U fish_color_operator cyan
set -U fish_color_param brblue
set -U fish_color_quote yellow
set -U fish_color_redirection bryellow
set -U fish_color_search_match 'bryellow' '--background=brblack'
set -U fish_color_selection 'white' '--bold' '--background=brblack'
set -U fish_color_status red
set -U fish_color_user brgreen
set -U fish_color_valid_path --underline
set -U fish_pager_color_completion normal
set -U fish_pager_color_description yellow
set -U fish_pager_color_prefix 'white' '--bold' '--underline'
set -U fish_pager_color_progress 'brwhite' '--background=cyan'
'';
};
}