font: add jb mono and symbols-only nerd font as dependencies

Rather than using binaries statically in our source tree; this makes
them easier to update. This also makes it so that they are separated
from each other rather than using a patched JB mono as our fallback.

build.zig.zon

@@ -100,6 +100,16 @@
             .lazy = true,
         },
 
+        // Fonts
+        .jetbrains_mono = .{
+            .url = "https://github.com/JetBrains/JetBrainsMono/releases/download/v2.304/JetBrainsMono-2.304.zip",
+            .hash = "N-V-__8AADWVlwASf7XCdCqpjVW5Jv_7oogANJ_H4_dIoEp6",
+        },
+        .nerd_fonts_symbols_only = .{
+            .url = "https://github.com/ryanoasis/nerd-fonts/releases/download/v3.4.0/NerdFontsSymbolsOnly.tar.xz",
+            .hash = "N-V-__8AAI9HTABr_zPUAKuMp_GR5p_z-kjPIX_e3EtLjOqI",
+        },
+
         // Other
         .apple_sdk = .{ .path = "./pkg/apple-sdk" },
         .iterm2_themes = .{

build.zig.zon.json

@@ -59,6 +59,11 @@
     "url": "https://github.com/mbadolato/iTerm2-Color-Schemes/archive/6fa671fdc1daf1fcfa025cb960ffa3e7373a2ed8.tar.gz",
     "hash": "sha256-g9o2CIc/TfWYoUS/l/HP5KZECD7qNsdQUlFruaKkVz4="
   },
+  "N-V-__8AADWVlwASf7XCdCqpjVW5Jv_7oogANJ_H4_dIoEp6": {
+    "name": "jetbrains_mono",
+    "url": "https://github.com/JetBrains/JetBrainsMono/releases/download/v2.304/JetBrainsMono-2.304.zip",
+    "hash": "sha256-b2N2xu0pYOqKljzXOH7J124/YpElvDPR/c1+twEve78="
+  },
   "N-V-__8AAJrvXQCqAT8Mg9o_tk6m0yf5Fz-gCNEOKLyTSerD": {
     "name": "libpng",
     "url": "https://deps.files.ghostty.org/libpng-1220aa013f0c83da3fb64ea6d327f9173fa008d10e28bc9349eac3463457723b1c66.tar.gz",
@@ -74,6 +79,11 @@
     "url": "https://deps.files.ghostty.org/libxml2-2.11.5.tar.gz",
     "hash": "sha256-bCgFni4+60K1tLFkieORamNGwQladP7jvGXNxdiaYhU="
   },
+  "N-V-__8AAI9HTABr_zPUAKuMp_GR5p_z-kjPIX_e3EtLjOqI": {
+    "name": "nerd_fonts_symbols_only",
+    "url": "https://github.com/ryanoasis/nerd-fonts/releases/download/v3.4.0/NerdFontsSymbolsOnly.tar.xz",
+    "hash": "sha256-f4wJDaOw6qcQhka/NMu7btE9U1inJGBSIQiwbH7NcWo="
+  },
   "N-V-__8AAHjwMQDBXnLq3Q2QhaivE0kE2aD138vtX2Bq1g7c": {
     "name": "oniguruma",
     "url": "https://deps.files.ghostty.org/oniguruma-1220c15e72eadd0d9085a8af134904d9a0f5dfcbed5f606ad60edc60ebeccd9706bb.tar.gz",

build.zig.zon.nix

@@ -177,6 +177,14 @@ in
         hash = "sha256-g9o2CIc/TfWYoUS/l/HP5KZECD7qNsdQUlFruaKkVz4=";
       };
     }
+    {
+      name = "N-V-__8AADWVlwASf7XCdCqpjVW5Jv_7oogANJ_H4_dIoEp6";
+      path = fetchZigArtifact {
+        name = "jetbrains_mono";
+        url = "https://github.com/JetBrains/JetBrainsMono/releases/download/v2.304/JetBrainsMono-2.304.zip";
+        hash = "sha256-b2N2xu0pYOqKljzXOH7J124/YpElvDPR/c1+twEve78=";
+      };
+    }
     {
       name = "N-V-__8AAJrvXQCqAT8Mg9o_tk6m0yf5Fz-gCNEOKLyTSerD";
       path = fetchZigArtifact {
@@ -201,6 +209,14 @@ in
         hash = "sha256-bCgFni4+60K1tLFkieORamNGwQladP7jvGXNxdiaYhU=";
       };
     }
+    {
+      name = "N-V-__8AAI9HTABr_zPUAKuMp_GR5p_z-kjPIX_e3EtLjOqI";
+      path = fetchZigArtifact {
+        name = "nerd_fonts_symbols_only";
+        url = "https://github.com/ryanoasis/nerd-fonts/releases/download/v3.4.0/NerdFontsSymbolsOnly.tar.xz";
+        hash = "sha256-f4wJDaOw6qcQhka/NMu7btE9U1inJGBSIQiwbH7NcWo=";
+      };
+    }
     {
       name = "N-V-__8AAHjwMQDBXnLq3Q2QhaivE0kE2aD138vtX2Bq1g7c";
       path = fetchZigArtifact {

build.zig.zon.txt

@@ -25,10 +25,12 @@ https://deps.files.ghostty.org/wuffs-122037b39d577ec2db3fd7b2130e7b69ef6cc1807d6
 https://deps.files.ghostty.org/zig_js-12205a66d423259567764fa0fc60c82be35365c21aeb76c5a7dc99698401f4f6fefc.tar.gz
 https://deps.files.ghostty.org/ziglyph-b89d43d1e3fb01b6074bc1f7fc980324b04d26a5.tar.gz
 https://deps.files.ghostty.org/zlib-1220fed0c74e1019b3ee29edae2051788b080cd96e90d56836eea857b0b966742efb.tar.gz
+https://github.com/JetBrains/JetBrainsMono/releases/download/v2.304/JetBrainsMono-2.304.zip
 https://github.com/glfw/glfw/archive/e7ea71be039836da3a98cea55ae5569cb5eb885c.tar.gz
 https://github.com/jcollie/ghostty-gobject/releases/download/0.14.0-2025-03-18-21-1/ghostty-gobject-0.14.0-2025-03-18-21-1.tar.zst
 https://github.com/mbadolato/iTerm2-Color-Schemes/archive/6fa671fdc1daf1fcfa025cb960ffa3e7373a2ed8.tar.gz
 https://github.com/mitchellh/libxev/archive/75a10d0fb374e8eb84948dcfc68d865e755e59c2.tar.gz
 https://github.com/mitchellh/zig-objc/archive/c9e917a4e15a983b672ca779c7985d738a2d517c.tar.gz
 https://github.com/natecraddock/zf/archive/7aacbe6d155d64d15937ca95ca6c014905eb531f.tar.gz
+https://github.com/ryanoasis/nerd-fonts/releases/download/v3.4.0/NerdFontsSymbolsOnly.tar.xz
 https://github.com/vancluever/z2d/archive/8bbd035f4101f02b1d27947def0d7da3215df7fe.tar.gz

flatpak/zig-packages.json

@@ -71,6 +71,12 @@
     "dest": "vendor/p/N-V-__8AAGHcWgTaKLjwmFkxToNT4jgz5VXUHR7hz8TQ2_AS",
     "sha256": "83da3608873f4df598a144bf97f1cfe4a644083eea36c75052516bb9a2a4573e"
   },
+  {
+    "type": "archive",
+    "url": "https://github.com/JetBrains/JetBrainsMono/releases/download/v2.304/JetBrainsMono-2.304.zip",
+    "dest": "vendor/p/N-V-__8AADWVlwASf7XCdCqpjVW5Jv_7oogANJ_H4_dIoEp6",
+    "sha256": "6f6376c6ed2960ea8a963cd7387ec9d76e3f629125bc33d1fdcd7eb7012f7bbf"
+  },
   {
     "type": "archive",
     "url": "https://deps.files.ghostty.org/libpng-1220aa013f0c83da3fb64ea6d327f9173fa008d10e28bc9349eac3463457723b1c66.tar.gz",
@@ -89,6 +95,12 @@
     "dest": "vendor/p/N-V-__8AAG3RoQEyRC2Vw7Qoro5SYBf62IHn3HjqtNVY6aWK",
     "sha256": "6c28059e2e3eeb42b5b4b16489e3916a6346c1095a74fee3bc65cdc5d89a6215"
   },
+  {
+    "type": "archive",
+    "url": "https://github.com/ryanoasis/nerd-fonts/releases/download/v3.4.0/NerdFontsSymbolsOnly.tar.xz",
+    "dest": "vendor/p/N-V-__8AAI9HTABr_zPUAKuMp_GR5p_z-kjPIX_e3EtLjOqI",
+    "sha256": "7f8c090da3b0eaa7108646bf34cbbb6ed13d5358a72460522108b06c7ecd716a"
+  },
   {
     "type": "archive",
     "url": "https://deps.files.ghostty.org/oniguruma-1220c15e72eadd0d9085a8af134904d9a0f5dfcbed5f606ad60edc60ebeccd9706bb.tar.gz",

src/build/SharedDeps.zig

@@ -500,6 +500,35 @@ pub fn add(
         try static_libs.append(utfcpp_dep.artifact("utfcpp").getEmittedBin());
     }
 
+    // Fonts
+    {
+        // JetBrains Mono
+        const jb_mono = b.dependency("jetbrains_mono", .{});
+        step.root_module.addAnonymousImport(
+            "jetbrains_mono_regular",
+            .{ .root_source_file = jb_mono.path("fonts/ttf/JetBrainsMono-Regular.ttf") },
+        );
+        step.root_module.addAnonymousImport(
+            "jetbrains_mono_bold",
+            .{ .root_source_file = jb_mono.path("fonts/ttf/JetBrainsMono-Bold.ttf") },
+        );
+        step.root_module.addAnonymousImport(
+            "jetbrains_mono_italic",
+            .{ .root_source_file = jb_mono.path("fonts/ttf/JetBrainsMono-Italic.ttf") },
+        );
+        step.root_module.addAnonymousImport(
+            "jetbrains_mono_bold_italic",
+            .{ .root_source_file = jb_mono.path("fonts/ttf/JetBrainsMono-BoldItalic.ttf") },
+        );
+
+        // Symbols-only nerd font
+        const nf_symbols = b.dependency("nerd_fonts_symbols_only", .{});
+        step.root_module.addAnonymousImport(
+            "nerd_fonts_symbols_only",
+            .{ .root_source_file = nf_symbols.path("SymbolsNerdFontMono-Regular.ttf") },
+        );
+    }
+
     // If we're building an exe then we have additional dependencies.
     if (step.kind != .lib) {
         // We always statically compile glad

src/font/SharedGridSet.zig

@@ -292,6 +292,17 @@ fn collection(
         ) },
     );
 
+    // Nerd-font symbols fallback.
+    _ = try c.add(
+        self.alloc,
+        .regular,
+        .{ .fallback_loaded = try Face.init(
+            self.font_lib,
+            font.embedded.symbols_nerd_font,
+            load_options.faceOptions(),
+        ) },
+    );
+
     // On macOS, always search for and add the Apple Emoji font
     // as our preferred emoji font for fallback. We do this in case
     // people add other emoji fonts to their system, we always want to

src/font/embedded.zig

@@ -6,19 +6,26 @@
 //! redistribution and include their license as necessary.
 
 /// Default fonts that we prefer for Ghostty.
-pub const regular = @embedFile("res/JetBrainsMonoNerdFont-Regular.ttf");
+pub const regular = @embedFile("jetbrains_mono_regular");
-pub const bold = @embedFile("res/JetBrainsMonoNerdFont-Bold.ttf");
+pub const bold = @embedFile("jetbrains_mono_bold");
-pub const italic = @embedFile("res/JetBrainsMonoNerdFont-Italic.ttf");
+pub const italic = @embedFile("jetbrains_mono_italic");
-pub const bold_italic = @embedFile("res/JetBrainsMonoNerdFont-BoldItalic.ttf");
+pub const bold_italic = @embedFile("jetbrains_mono_bold_italic");
+
+/// Symbols-only nerd font.
+pub const symbols_nerd_font = @embedFile("nerd_fonts_symbols_only");
+
+/// Emoji fonts
 pub const emoji = @embedFile("res/NotoColorEmoji.ttf");
 pub const emoji_text = @embedFile("res/NotoEmoji-Regular.ttf");
 
+// Fonts below are ONLY used for testing.
+
 /// Fonts with general properties
 pub const arabic = @embedFile("res/KawkabMono-Regular.ttf");
 pub const variable = @embedFile("res/Lilex-VF.ttf");
 
-/// Font with nerd fonts embedded.
+/// A font for testing which is patched with nerd font symbols.
-pub const nerd_font = @embedFile("res/JetBrainsMonoNerdFont-Regular.ttf");
+pub const test_nerd_font = @embedFile("res/JetBrainsMonoNerdFont-Regular.ttf");
 
 /// Specific font families below:
 pub const code_new_roman = @embedFile("res/CodeNewRoman-Regular.otf");

src/font/shaper/coretext.zig

@@ -1769,7 +1769,7 @@ fn testShaperWithFont(alloc: Allocator, font_req: TestFont) !TestShaper {
         .geist_mono => font.embedded.geist_mono,
         .jetbrains_mono => font.embedded.jetbrains_mono,
         .monaspace_neon => font.embedded.monaspace_neon,
-        .nerd_font => font.embedded.nerd_font,
+        .nerd_font => font.embedded.test_nerd_font,
     };
 
     var lib = try Library.init(alloc);