refactor: move Ghext to the build system

build.zig

@@ -3,6 +3,7 @@ const std = @import("std");
 pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
+    const build_options = b.addOptions();
 
     const exe = b.addExecutable(.{
         .name = "xtxf",
@@ -16,7 +17,7 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
     });
 
-    const cova = cova_dep.module("cova");
+    const cova_mod = cova_dep.module("cova");
 
     const cova_gen = @import("cova").addCovaDocGenStep(b, cova_dep, exe, .{
         .kinds = &.{.all},
@@ -25,19 +26,13 @@ pub fn build(b: *std.Build) void {
     const meta_doc_gen = b.step("gen-doc", "Generate Meta Docs");
     meta_doc_gen.dependOn(&cova_gen.step);
 
-    const ghext_dep = b.dependency("ghext", .{
-        .target = target,
-        .optimize = optimize,
-    });
-
-    const ghext = ghext_dep.module("ghext");
-
     exe.addIncludePath(b.dependency("termbox2", .{}).path("."));
     exe.addCSourceFile(.{ .file = b.path("src/termbox_impl.c") });
     exe.linkLibC();
-    exe.root_module.addImport("cova", cova);
-    exe.root_module.addImport("ghext", ghext);
+    exe.root_module.addImport("cova", cova_mod);
+    exe.root_module.addOptions("build_options", build_options);
 
+    build_options.addOption([]const u8, "head_hash", try hash());
     b.installArtifact(exe);
 
     const run_cmd = b.addRunArtifact(exe);
@@ -91,3 +86,8 @@ pub fn build(b: *std.Build) void {
     const coverage_step = b.step("coverage", "Generate test coverage (kcov)");
     coverage_step.dependOn(&merge_step.step);
 }
+
+inline fn hash() ![]const u8 {
+    const gxt = @import("ghext").Ghext.read(std.heap.page_allocator) catch unreachable;
+    return gxt.hash;
+}

build.zig.zon

@@ -12,8 +12,8 @@
             .hash = "12200ac5cfa52c6ed5df6cbbf6be03f5b5b4a95abe67b750f9f2b0216da11b21e70c",
         },
         .ghext = .{
-            .url = "https://github.com/charlesrocket/ghext/archive/refs/tags/0.3.0.tar.gz",
-            .hash = "12200acee906e217dafde5539a1e5905d093c97b6ba2408e0653772814e3643efc76",
+            .url = "https://github.com/charlesrocket/ghext/archive/983eac9d280b2db7c7ca9ede2c977815c26b0074.tar.gz",
+            .hash = "122081d642ad5e81b306b7a0b849b4f9e976f4653468eb18580d2115c3b4654b23b6",
         },
     },
 }

src/assets.zig

@@ -14,4 +14,4 @@ pub const help_message =
     \\
 ;
 
-pub const cli_usage = "{u}{?u}{s} {s}{s?} <{s}:{s}>";
+pub const opt_usage = "{u}{?u}{s} {s}{s?} <{s}:{s}>";

src/main.zig

@@ -4,7 +4,7 @@ const tb = @cImport({
 });
 
 const cova = @import("cova");
-const Ghext = @import("ghext");
+const build_opt = @import("build_options");
 
 const Thread = std.Thread;
 const Mutex = Thread.Mutex;
@@ -24,9 +24,10 @@ const Style = enum { default, columns, crypto, grid, blocks };
 const Color = enum(u32) { default = tb.TB_DEFAULT, red = tb.TB_RED, green = tb.TB_GREEN, blue = tb.TB_BLUE, yellow = tb.TB_YELLOW, magenta = tb.TB_MAGENTA };
 
 pub const CommandT = cova.Command.Custom(.{
+    .global_help_prefix = "xtxf-" ++ build_opt.head_hash[0..7],
     .help_header_fmt = assets.help_message,
     .opt_config = .{
-        .usage_fmt = assets.cli_usage,
+        .usage_fmt = assets.opt_usage,
     },
     .val_config = .{
         .custom_types = &.{