121 lines
3.5 KiB
Nix
121 lines
3.5 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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# fish for the primary user, configured through home-manager.
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let
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cfg = config.modules.fish;
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user = config.user.name;
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in
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{
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options.modules.fish = {
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enable = lib.mkEnableOption "fish as the user's shell, configured via home-manager";
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defaultShell = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Set fish as the user's default login shell.";
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};
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};
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config = lib.mkIf cfg.enable {
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# System-level fish registers it in /etc/shells and installs vendor completions.
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programs.fish.enable = true;
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users.users.${user}.shell = lib.mkIf cfg.defaultShell pkgs.fish;
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home-manager.users.${user} = {
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home.packages = with pkgs; [
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eza # backs the ls/la/ll aliases
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bat # backs the manpager
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fastfetch # the shell greeting
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wget # backs the wget abbreviation
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];
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programs.fish = {
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enable = true;
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preferAbbrs = true;
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plugins = [
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# Notify when a long command finishes.
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{
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name = "done";
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src = pkgs.fishPlugins.done.src;
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}
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# Restore the !! and !$ history bindings.
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{
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name = "bang-bang";
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src = pkgs.fishPlugins.bang-bang.src;
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}
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];
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shellAliases = {
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ls = "eza -al --color=always --group-directories-first --icons";
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la = "eza -a --color=always --group-directories-first --icons";
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ll = "eza -l --color=always --group-directories-first --icons";
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lt = "eza -aT --color=always --group-directories-first --icons";
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"l." = "eza -a | grep -e '^\\.'";
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};
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shellAbbrs = {
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# Walk up the tree.
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".." = "cd ..";
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"..." = "cd ../..";
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"...." = "cd ../../..";
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vi = "nvim";
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vim = "nvim";
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cp = "cp -v";
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tmx = "tmux new-session -A -s";
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tarnow = "tar -acf ";
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untar = "tar -zxvf ";
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wget = "wget -c ";
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grep = "grep --color=auto";
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fgrep = "fgrep --color=auto";
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egrep = "egrep --color=auto";
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jctl = "journalctl -p 3 -xb";
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# Rebuild the system, and reclaim disk from old generations.
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update = "sudo nixos-rebuild switch --flake .#${config.networking.hostName}";
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cleanup = "sudo nix-collect-garbage -d";
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};
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functions = {
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fish_greeting = "fastfetch";
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# vi insert mode omits the emacs ctrl-f and ctrl-r bindings, so
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# restore both.
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# ctrl-f accepts an autosuggestion and ctrl-r opens the history pager.
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# Only insert mode is bound: vi normal mode keeps ctrl-r as redo.
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fish_user_key_bindings = ''
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bind -M insert ctrl-f forward-char
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bind -M insert ctrl-r history-pager
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'';
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history = {
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description = "Show command history with timestamps";
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body = "builtin history --show-time='%F %T '";
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};
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backup = {
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description = "Copy <file> to <file>.bak";
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argumentNames = "filename";
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body = "cp $filename $filename.bak";
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};
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copy = {
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description = "Copy a file, or recursively copy a source directory into a destination";
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body = builtins.readFile ./functions/copy.fish;
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};
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};
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# Rendered by home-manager into ~/.config/fish/config.fish.
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interactiveShellInit = builtins.readFile ./config.fish;
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};
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};
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};
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}
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