build.zig: lazily load deps_local

PixelGuys · Apr 27, 2024 · 6c0bb49 · 6c0bb49
1 parent ee8917b
commit 6c0bb49
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Showing 3 changed files with 11 additions and 6 deletions.
diff --git a/build.zig b/build.zig
@@ -22,11 +22,16 @@ pub fn build(b: *std.Build) !void {
 	exe.linkLibCpp();
 
 	// For the time being, MacOS cubyz_deps will not have released binaries.
-	const depsName = if (t.os.tag == .macos) "deps_local" else "deps";
-	const deps = b.dependency(depsName, .{
+	const depsName = if (t.os.tag != .macos) "deps_local" else "deps";
+	const deps = b.lazyDependency(depsName, .{
 		.target = target,
 		.optimize = optimize,
-	});
+	}) orelse {
+		// Lazy dependencies with a `url` field will fail here the first time.
+		// build.zig will restart and try again.
+		std.log.info("Downloading dependency {s}.", .{depsName});
+		return;
+	};
 
 	exe.addLibraryPath(deps.path("lib"));
 	exe.addIncludePath(deps.path("include"));

diff --git a/build.zig.zon b/build.zig.zon
@@ -4,8 +4,8 @@
 	.paths = .{""},
 	.dependencies = .{
 		.deps_local = .{
-			.url = "file:../Cubyz-libs/zig-out.tar.gz", // macos has no official deps release
-			.hash = "12209f7db8911ff57c69db2097437ad5e00141e862b0e760926c966b8652d09edf43",
+			.path = "../Cubyz-libs/zig-out", // macos has no official deps release
+			.lazy = true,
 		},
 		.deps = .{
 			//.url = "file:../Cubyz-libs/zig-out.tar.gz", // fetching the lib from the local folder

diff --git a/src/main.zig b/src/main.zig
@@ -451,4 +451,4 @@ pub fn main() void {
 
 test "abc" {
 	_ = @import("json.zig");
-}
+}
-Original file line number
+Diff line change
@@ Expand Up / @@ -451,4 +451,4 @@ pub fn main() void { @@
     test "abc" {
     	_ = @import("json.zig");
-    }
+    }