feat: add ghostty shader & update lazyvim config & update tmux style

home/config/ghostty/config

@@ -1,5 +1,5 @@
 font-family = "CaskaydiaCove Nerd Font Mono"
-font-size = 16 
+font-size = 16
 theme = catppuccin-macchiato
 unfocused-split-opacity = 0.85
 
@@ -13,3 +13,6 @@ window-decoration = false
 mouse-hide-while-typing = true
 
 keybind = ctrl+shift+zero=toggle_tab_overview
+
+custom-shader = ./shader/mnoise.glsl
+custom-shader-animation = always

home/config/ghostty/shader/mnoise.glsl

@@ -0,0 +1,119 @@
+vec3 mod289(vec3 x) { return x - floor(x * (1.0 / 289.0)) * 289.0; }
+vec4 mod289(vec4 x) { return x - floor(x * (1.0 / 289.0)) * 289.0; }
+vec4 permute(vec4 x) { return mod289(((x * 34.0) + 10.0) * x); }
+vec4 taylorInvSqrt(vec4 r) { return 1.79284291400159 - 0.85373472095314 * r; }
+float snoise(vec3 v) {
+  const vec2 C = vec2(1.0 / 6.0, 1.0 / 3.0);
+  const vec4 D = vec4(0.0, 0.5, 1.0, 2.0);
+
+  // First corner
+  vec3 i = floor(v + dot(v, C.yyy));
+  vec3 x0 = v - i + dot(i, C.xxx);
+
+  // Other corners
+  vec3 g = step(x0.yzx, x0.xyz);
+  vec3 l = 1.0 - g;
+  vec3 i1 = min(g.xyz, l.zxy);
+  vec3 i2 = max(g.xyz, l.zxy);
+
+  //   x0 = x0 - 0.0 + 0.0 * C.xxx;
+  //   x1 = x0 - i1  + 1.0 * C.xxx;
+  //   x2 = x0 - i2  + 2.0 * C.xxx;
+  //   x3 = x0 - 1.0 + 3.0 * C.xxx;
+  vec3 x1 = x0 - i1 + C.xxx;
+  vec3 x2 = x0 - i2 + C.yyy; // 2.0*C.x = 1/3 = C.y
+  vec3 x3 = x0 - D.yyy;      // -1.0+3.0*C.x = -0.5 = -D.y
+
+  // Permutations
+  i = mod289(i);
+  vec4 p = permute(permute(permute(i.z + vec4(0.0, i1.z, i2.z, 1.0)) + i.y +
+                           vec4(0.0, i1.y, i2.y, 1.0)) +
+                   i.x + vec4(0.0, i1.x, i2.x, 1.0));
+
+  // Gradients: 7x7 points over a square, mapped onto an octahedron.
+  // The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294)
+  float n_ = 0.142857142857; // 1.0/7.0
+  vec3 ns = n_ * D.wyz - D.xzx;
+
+  vec4 j = p - 49.0 * floor(p * ns.z * ns.z); //  mod(p,7*7)
+
+  vec4 x_ = floor(j * ns.z);
+  vec4 y_ = floor(j - 7.0 * x_); // mod(j,N)
+
+  vec4 x = x_ * ns.x + ns.yyyy;
+  vec4 y = y_ * ns.x + ns.yyyy;
+  vec4 h = 1.0 - abs(x) - abs(y);
+
+  vec4 b0 = vec4(x.xy, y.xy);
+  vec4 b1 = vec4(x.zw, y.zw);
+
+  // vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0;
+  // vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0;
+  vec4 s0 = floor(b0) * 2.0 + 1.0;
+  vec4 s1 = floor(b1) * 2.0 + 1.0;
+  vec4 sh = -step(h, vec4(0.0));
+
+  vec4 a0 = b0.xzyw + s0.xzyw * sh.xxyy;
+  vec4 a1 = b1.xzyw + s1.xzyw * sh.zzww;
+
+  vec3 p0 = vec3(a0.xy, h.x);
+  vec3 p1 = vec3(a0.zw, h.y);
+  vec3 p2 = vec3(a1.xy, h.z);
+  vec3 p3 = vec3(a1.zw, h.w);
+
+  // Normalise gradients
+  vec4 norm =
+      taylorInvSqrt(vec4(dot(p0, p0), dot(p1, p1), dot(p2, p2), dot(p3, p3)));
+  p0 *= norm.x;
+  p1 *= norm.y;
+  p2 *= norm.z;
+  p3 *= norm.w;
+
+  // Mix final noise value
+  vec4 m =
+      max(0.5 - vec4(dot(x0, x0), dot(x1, x1), dot(x2, x2), dot(x3, x3)), 0.0);
+  m = m * m;
+  return 105.0 *
+         dot(m * m, vec4(dot(p0, x0), dot(p1, x1), dot(p2, x2), dot(p3, x3)));
+}
+
+float noise2D(vec2 uv) {
+  uvec2 pos = uvec2(floor(uv * 1000.));
+  return float((pos.x * 68657387u ^ pos.y * 361524851u + pos.x) % 890129u) *
+         (1.0 / 890128.0);
+}
+
+float roundRectSDF(vec2 center, vec2 size, float radius) {
+  return length(max(abs(center) - size + radius, 0.)) - radius;
+}
+
+void mainImage(out vec4 fragColor, in vec2 fragCoord) {
+  vec2 uv = fragCoord / iResolution.xy, sd = vec2(2.), sdh = vec2(1.);
+  vec4 ghosttyCol = texture(iChannel0, uv);
+  float ratio = iResolution.y / iResolution.x,
+        fw = max(fwidth(uv.x), fwidth(uv.y));
+
+  vec2 puv = floor(uv * vec2(60., 60. * ratio)) / 60.;
+  puv +=
+      (smoothstep(0., 0.7, noise2D(puv)) - 0.5) * 0.05 - vec2(0., iTime * 0.08);
+
+  uv = fract(vec2(uv.x, uv.y * ratio) * 10.);
+  float d = roundRectSDF((sd + 0.01) * (uv - .5), sdh, 0.075),
+        d2 = roundRectSDF((sd + 0.065) * (fract(uv * 6.) - .5), sdh, 0.2),
+        noiseTime = iTime * 0.03, noise = snoise(vec3(puv, noiseTime));
+
+  noise += snoise(vec3(puv * 1.1, noiseTime + 0.5)) + .1;
+  noise += snoise(vec3(puv * 2., noiseTime + 0.8));
+  noise = pow(noise, 2.);
+
+  vec3 col1 = vec3(0.), col2 = vec3(0.), col3 = vec3(0.07898),
+       col4 = vec3(0.089184),
+       fcol = mix(mix(mix(col1, col3, smoothstep(0.0, 0.3, noise)), col2,
+                      smoothstep(0.0, 0.5, noise)),
+                  col4, smoothstep(0.0, 1.0, noise));
+
+  fragColor = vec4(
+      ghosttyCol.rgb +
+          mix(col4, fcol, smoothstep(fw, -fw, d) * smoothstep(fw, -fw, d2)),
+      ghosttyCol.a);
+}

home/config/nvim/lua/config/lazy.lua

@@ -1,10 +1,18 @@
 local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
-if not vim.loop.fs_stat(lazypath) then
+if not (vim.uv or vim.loop).fs_stat(lazypath) then
-  -- bootstrap lazy.nvim
+  local lazyrepo = "https://github.com/folke/lazy.nvim.git"
-  -- stylua: ignore
+  local out = vim.fn.system({ "git", "clone", "--filter=blob:none", "--branch=stable", lazyrepo, lazypath })
-  vim.fn.system({ "git", "clone", "--filter=blob:none", "https://github.com/folke/lazy.nvim.git", "--branch=stable", lazypath })
+  if vim.v.shell_error ~= 0 then
+    vim.api.nvim_echo({
+      { "Failed to clone lazy.nvim:\n", "ErrorMsg" },
+      { out, "WarningMsg" },
+      { "\nPress any key to exit..." },
+    }, true, {})
+    vim.fn.getchar()
+    os.exit(1)
+  end
 end
-vim.opt.rtp:prepend(vim.env.LAZY or lazypath)
+vim.opt.rtp:prepend(lazypath)
 
 require("lazy").setup({
   spec = {
@@ -34,18 +42,15 @@ require("lazy").setup({
     { import = "lazyvim.plugins.extras.lang.toml" },
     { import = "lazyvim.plugins.extras.lang.yaml" },
     { import = "lazyvim.plugins.extras.linting.eslint" },
-    { import = "lazyvim.plugins.extras.ui.alpha" },
     { import = "lazyvim.plugins.extras.ui.dashboard-nvim" },
     { import = "lazyvim.plugins.extras.ui.edgy" },
     { import = "lazyvim.plugins.extras.ui.mini-animate" },
     { import = "lazyvim.plugins.extras.ui.mini-indentscope" },
-    { import = "lazyvim.plugins.extras.ui.mini-starter" },
     { import = "lazyvim.plugins.extras.ui.smear-cursor" },
     { import = "lazyvim.plugins.extras.ui.treesitter-context" },
     { import = "lazyvim.plugins.extras.util.dot" },
     { import = "lazyvim.plugins.extras.util.mini-hipatterns" },
     { import = "lazyvim.plugins.extras.util.project" },
-    { import = "lazyvim.plugins.extras.vscode" },
     -- import/override with your plugins
     { import = "plugins" },
   },
@@ -59,7 +64,7 @@ require("lazy").setup({
     -- version = "*", -- try installing the latest stable version for plugins that support semver
   },
   install = { colorscheme = { "tokyonight", "habamax" } },
-  checker = { enabled = true }, -- automatically check for plugin updates
+  checker = { enabled = true, notify = false }, -- automatically check for plugin updates
   performance = {
     rtp = {
       -- disable some rtp plugins

home/config/scripts/getIcons.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+get_icons() {
+  local session_name="$1"
+  local result=""
+
+  local panes=($(tmux list-panes -t "$session_name" -F '#{pane_current_command}'))
+
+  for i in "${panes[@]}"; do
+    case "$i" in
+    nvim) result+=" " ;;
+    zsh | *) result+=" " ;;
+    esac
+  done
+
+  echo "$result"
+}
+
+if (($# != 1)); then
+  echo "Usage: $0 <session-name>"
+  exit 1
+fi
+
+get_icons "$1"

system/modules/packages.nix

@@ -57,7 +57,8 @@
     stylua
     lazygit
     lua51Packages.lua
-    luajitPackages.magick # neovim
+    lua51Packages.luarocks
+    luajitPackages.magick
     vimPlugins.neomake
 
     # Shell 

system/modules/programs.nix

@@ -1,5 +1,8 @@
-{ pkgs, ... }:
+{ pkgs, config, ... }:
 
+let
+  getIconScript = pkgs.writeShellScriptBin "get-icon" (builtins.readFile ../../home/config/scripts/getIcons.sh);
+in
 {
   programs = {
     gnupg = {
@@ -21,12 +24,25 @@
       ];
 
       extraConfig = ''
+        set -gq allow-passthrough on
+        set -g status "on"
+        set -g status-style fg=default,bg=default
+        set -g status-position top
+        set -g status-justify "left"
+
+        set -g status-left "#[fg=#84977f,bg=default,bold] █ session: #S"
+        set -g status-right "  #[fg=#828bb8,bg=default,bold]${config.networking.hostName}    "
+
+        setw -g window-status-format "#[bg=default]  #[fg=#495361,bg=default]#(${getIconScript}/get-icon #I) #W"
+        setw -g window-status-current-format "#[bg=default]  #[fg=#7e93a9,bg=default,bold]#(${getIconScript}/get-icon #I) #W"
+
+
         set -g default-terminal "xterm-256color"
         set -ga terminal-overrides ",*256col*:Tc"
         set -ga terminal-overrides '*:Ss=\E[%p1%d q:Se=\E[ q'
         set-environment -g COLORTERM "truecolor"
-        set -g prefix C-a
+        set -g prefix C-b
-        bind-key C-a send-prefix
+        bind-key C-b send-prefix
 
         unbind %
         bind | split-window -h