Using the levy game project as a library

build.zig

const std = @import("std");

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});

    const optimize = b.standardOptimizeOption(.{});

    const exe = b.addExecutable(.{
        .name = "hook",

        .root_source_file = .{ .path = "main.zig" },
        .target = target,
        .optimize = optimize,
    });

    exe.addModule("levy-git-hooks", b.dependency("levy", .{}).module("levy-git-hooks"));

    b.installArtifact(exe);

    const run_cmd = b.addRunArtifact(exe);

    run_cmd.step.dependOn(b.getInstallStep());

    if (b.args) |args| {
        run_cmd.addArgs(args);
    }

    const run_step = b.step("run", "Run the app");
    run_step.dependOn(&run_cmd.step);

    const unit_tests = b.addTest(.{
        .root_source_file = .{ .path = "main.zig" },
        .target = target,
        .optimize = optimize,
    });

    const run_unit_tests = b.addRunArtifact(unit_tests);

    const test_step = b.step("test", "Run unit tests");
    test_step.dependOn(&run_unit_tests.step);
}

build.zig.zon

.{
    .name = "git-hook-example",
    .version = "0.1.0",

    .dependencies = .{
        .levy = .{
            .url = "https://git.sr.ht/~tauoverpi/levy/archive/57f3a887f48f2462bf7a8eafca560c1198886d50.tar.gz",
            .hash = "1220f55aa4b101d8987a0d44790ee266f9d8630b5484d1181ac568b0bdc1bf67d8aa",
        },
    },
}

main.zig

const std = @import("std");
const Hooks = @import("levy-git-hooks").GitHooks(void, error{No});
const Allocator = std.mem.Allocator;

const config: Hooks = .{
    .pre_commit = struct {
        fn hook(_: Allocator, _: void) !void {
            return error.No; // today is not a work day
        }
    }.hook,
};

pub fn main() !void {
    try config.dispatch(std.heap.page_allocator, std.fs.cwd(), {}, std.os.argv);
}