1 files changed, 57 insertions, 0 deletions
diff --git a/build.zig b/build.zig
new file mode 100644
index 0000000..15e51a4
--- /dev/null
+++ b/build.zig
@@ -0,0 +1,57 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+
+    const optimize = b.standardOptimizeOption(.{});
+
+    const root_source_file = b.path("src/tmz.zig");
+
+    _ = b.addModule("tmz", .{ .root_source_file = root_source_file });
+
+    const tests = b.addTest(.{
+        .root_source_file = root_source_file,
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const test_step = b.step("test", "Run unit tests");
+    test_step.dependOn(&b.addRunArtifact(tests).step);
+
+    const coverage = b.option(bool, "cover", "Generate test coverage") orelse false;
+
+    if (coverage) {
+        const coverage_output_dir = b.makeTempPath();
+
+        const args = &[_]std.Build.Step.Run.Arg{
+            .{ .bytes = b.dupe("kcov") },
+            .{ .bytes = b.dupe("--collect-only") },
+            .{ .bytes = b.dupe("--include-pattern=src/") },
+            .{ .bytes = b.dupe("--exclude-pattern=_test") },
+            .{ .bytes = b.dupe(coverage_output_dir) },
+        };
+
+        const tests_run = b.addRunArtifact(tests);
+        tests_run.has_side_effects = true;
+
+        tests_run.argv.insertSlice(0, args) catch @panic("OOM");
+
+        const merge_step = std.Build.Step.Run.create(b, "merge kcov");
+        merge_step.has_side_effects = true;
+        merge_step.addArgs(&.{
+            "kcov",
+            "--merge",
+            b.pathJoin(&.{ coverage_output_dir, "output" }),
+            b.pathJoin(&.{ coverage_output_dir, "test" }),
+        });
+        merge_step.step.dependOn(&tests_run.step);
+
+        const install_coverage = b.addInstallDirectory(.{
+            .source_dir = .{ .cwd_relative = b.pathJoin(&.{ coverage_output_dir, "output" }) },
+            .install_dir = .{ .custom = "coverage" },
+            .install_subdir = "",
+        });
+        install_coverage.step.dependOn(&merge_step.step);
+        test_step.dependOn(&install_coverage.step);
+    }
+}