ft: home-manager terminal

modules/terminal/fish.nix

@@ -0,0 +1,87 @@
+{ config, lib, ... }:
+
+let
+  # automatically discover functions in the relative fish functions directory
+  fishFuncDir = ./fish-config/functions;
+  fishFuncs = lib.attrsets.mapAttrs'
+    (name: _: lib.nameValuePair (lib.strings.removeSuffix ".fish" "${name}") ({
+      body = builtins.readFile (fishFuncDir + "/${name}");
+    }))
+    (lib.attrsets.filterAttrs
+      (name: type: type == "regular")
+      (builtins.readDir fishFuncDir)
+    );
+in
+{
+  home-manager.users.djai.programs.fish = {
+    enable = true;
+    binds = {
+      "\cf" = {
+        command = "forward-char";
+        mode = "insert";
+      };
+      "\ef" = {
+        command = "forward-word";
+        mode = "insert";
+      };
+    };
+    shellInit = ''
+      # start fbterm if in raw tty
+      if string match -qr "/dev/tty[2-9]" (tty)
+        fbterm -- env TERM=fbterm tmux new
+      end
+
+      [ -d "$HOME/.cargo/env.fish" ] && source "$HOME/.cargo/env.fish"
+    '';
+
+    interactiveShellInit = ''
+      fish_vi_key_bindings
+      starship init fish | source
+      fish_config theme choose "Catppuccin Macchiato"
+
+      if test -n "$TMUX"
+        ascii.sh
+      else
+        if test "$TERM" != "linux"
+          tmux new
+        end
+      end
+
+      # make clear also remove scrollback on kitty
+      [ "(set -q TERM)" -a "$TERM" = "xterm-kitty" ] && alias clear "printf '\033[2J\033[3J\033[1;1H'"
+    '';
+
+    loginShellInit = ''
+      ~/Scripts/diaryEntry.sh > /dev/null # TODO: move to somewhere
+    '';
+
+    shellAbbrs = {
+      "webcam" = "mpv av://v4l2:/dev/video0 --profile=low-latency --untimed";
+      "venv" = ". .venv/bin/activate.fish";
+      "rug" = "sudo openconnect --protocol=gp safenet.vpn.rug.nl";
+      "dia" = "nvim (date +%F)";
+
+      "rm" = "rm -I";
+      "mv" = "mv -vn";
+      "make" = "make -j8";
+
+      "ll" = "ls -hlav --ignore=..";
+      "l" = "ls -lav --ignore=.\?\*";
+      "la" = "ls -A";
+
+      "lg" = "lazygit";
+      "fih" = "fish";
+      "twi" = "twitch";
+      "keh" = "kitten icat";
+    };
+
+    # discovered functions + overrides
+    functions = fishFuncs // {
+      tmux-updater = fishFuncs.tmux-updater // {onEvent = "fish_preexec";};
+      histdelete = fishFuncs.histdelete // {onEvent = "fish_postexec";};
+    };
+  };
+  home-manager.users."djai".home.shell.enableFishIntegration = true;
+
+  home.file.".config/fish/themes".source = config.lib.file.mkOutOfStoreSymLink ./fish-config/themes/;
+}