dotfiles.nix/home/fish.nix

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{ config, pkgs, lib, ... }:
{
# Fish Shell
# https://rycee.gitlab.io/home-manager/options.html#opt-programs.fish.enable
programs.fish.enable = true;
# Add Fish plugins
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home.packages = builtins.attrValues {
inherit (pkgs.fishPlugins)
autopair-fish
colored-man-pages
done;
};
programs.fish.plugins = [ pkgs.fishPlugins.fisher ];
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xdg.configFile."fish/fish_plugins".text = ''
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jorgebucaran/replay.fish
americanhanko/fish-spin
joseluisq/gitnow
fishpkg/fish-humanize-duration
oh-my-fish/plugin-bang-bang
matthewess/fish-autovenv
Gazorby/fish-abbreviation-tips
'';
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# Fish functions ----------------------------------------------------------------------------- {{{
programs.fish.functions = {
# User functions
mkdcd = {
argumentNames = [ "target" ];
body = ''
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if test -z "$target"
echo "mkdcd requires an argument" 1>&2
return 1
end
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mkdir -p $target
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cd $target
'';
};
unz = {
argumentNames = [ "target" ];
body = ''
# strip extensions
string match \*.zip $target; and set target (string split -r -m1 . $target)[1]
unzip -d $target $target
'';
};
# Helpers
# Toggles `$term_background` between "light" and "dark". Other Fish functions trigger when this
# variable changes. We use a universal variable so that all instances of Fish have the same
# value for the variable.
toggle-background.body = ''
if test "$term_background" = light
set -U term_background dark
else
set -U term_background light
end
'';
# Set `$term_background` based on whether macOS is light or dark mode. Other Fish functions
# trigger when this variable changes. We use a universal variable so that all instances of Fish
# have the same value for the variable.
set-background-to-macOS.body = ''
if is-dark-mode
set -U term_background dark
else
set -U term_background light
end
'';
# Set `$term_background` based on an env var.
set-background-to-env = {
argumentNames = [ "env_var" ];
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body = ''
switch $$env_var
case 1
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echo "Setting dark mode"
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set -U term_background dark
case 0
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echo "Setting light mode"
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set -U term_background light
end
'';
};
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# Sets Fish Shell to light or dark colorscheme based on `$term_background`.
set-shell-colors = {
body = ''
# Use correct theme for `btm` and `bat`
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if test "$term_background" = light
alias btm "btm --color default-light"
set -xg BAT_THEME OneHalfLight
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else
alias btm "btm --color default"
set -xg BAT_THEME OneHalfDark
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end
# Set LS_COLORS
set -xg LS_COLORS (${pkgs.vivid}/bin/vivid generate one-$term_background)
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'';
onVariable = "term_background";
};
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from-dir = {
argumentNames = [ "dir" ];
body = ''
pushd $dir
set -e argv[1]
$argv
popd
'';
};
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darwin-rebuild-edit-with = {
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argumentNames = [ "editor" "file" ];
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body = ''
if test -z "$file"
set file flake.nix
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end
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from-nix $editor $file
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'';
};
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nix-unfree = {
argumentNames = [ "cmd" ];
body = ''
env NIX_ALLOW_UNFREE=1 nix $cmd --impure
'';
};
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};
# }}}
# Fish configuration ------------------------------------------------------------------------- {{{
# Aliases
programs.fish.shellAliases =
let
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inherit (config.home.primaryUser) nixConfigDirectory;
in
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{
# Nix related
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from-nix = "from-dir ${nixConfigDirectory}";
# darwin-rebuild build
drb = "from-nix darwin-rebuild build --flake .";
# darwin-rebuild switch full
drsf = "from-nix darwin-rebuild switch --flake .";
# darwin-rebuild switch (no homebrew)
drs = "from-nix darwin-rebuild switch --flake . --override-input homebrew-enabled github:boolean-option/false";
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# edit darwin-rebuild config in code/codium
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drc = "code ${nixConfigDirectory}";
# edit darwin-rebuild config in vim
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drv = "vim ${nixConfigDirectory}";
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# edit darwin-rebuild config in helix
drh = "darwin-rebuild-edit-with hx";
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flakeup = "nix flake update ${nixConfigDirectory}/";
nb = "nix build";
nd = "nix develop";
nf = "nix flake";
nr = "nix run";
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nru = "nix-unfree run";
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ns = "nix search nixpkgs";
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nsh = "nix shell";
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nshu = "nix-unfree shell";
nrp = "nix repl --expr '{ pkgs = (import <nixpkgs> { }); }'";
nrpu = "nix repl --expr '{ pkgs = (import <nixpkgs> { config.allowUnfree = true; }); }' --impure";
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# Other
".." = "cd ..";
":q" = "exit";
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cat = "${pkgs.bat}/bin/bat --style=plain --paging=never";
du = "${pkgs.du-dust}/bin/dust";
g = "${pkgs.gitAndTools.git}/bin/git";
ls = "${pkgs.exa}/bin/exa";
ll = "ls -l --time-style long-iso --icons";
la = "ll -a";
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http = "${pkgs.xh}/bin/xh";
https = "${pkgs.xh}/bin/xhs";
top = "${pkgs.bottom}/bin/btm";
htop = "${pkgs.bottom}/bin/btm";
tb = "toggle-background";
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} // lib.optionalAttrs pkgs.stdenv.isDarwin {
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sb = "set-background-to-macOS";
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conda-init = "eval /opt/homebrew/bin/conda 'shell.fish' 'hook' $argv | source";
};
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# Configuration that should be above `loginShellInit` and `interactiveShellInit`.
programs.fish.shellInit = ''
set -U fish_term24bit 1
${lib.optionalString pkgs.stdenv.isDarwin "set-background-to-macOS"}
'';
programs.fish.interactiveShellInit = ''
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set -g fish_greeting (set_color blue)"( ³) "(set_color cyan)"h"(set_color red)"e"(set_color yellow)"l"(set_color green)"l"(set_color magenta)"o "(set_color blue)"( ³)"(set_color normal)
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fish_vi_key_bindings
set VIRTUAL_ENV_DISABLE_PROMPT true
bind -M insert ! __history_previous_command
bind -M insert '$' __history_previous_command_arguments
${pkgs.thefuck}/bin/thefuck --alias | source
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# Run function to set colors that are dependent on `$term_background` and to register them so
# they are triggered when the relevent event happens or variable changes.
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set-shell-colors
'';
# }}}
}