fix the building, and change the name

build.zig

@@ -39,8 +39,8 @@ pub fn build(b: *std.Build) void {
   wlroots.resolved_target = target;
   wlroots.linkSystemLibrary("wlroots-0.19", .{});
 
-  const wwm = b.addExecutable(.{
-    .name = "wwm",
+  const mez = b.addExecutable(.{
+    .name = "mez",
     .root_module = b.createModule(.{
       .root_source_file = b.path("src/main.zig"),
       .target = target,
@@ -48,20 +48,20 @@ pub fn build(b: *std.Build) void {
     }),
   });
 
-  wwm.linkLibC();
+  mez.linkLibC();
 
-  wwm.root_module.addImport("wayland", wayland);
-  wwm.root_module.addImport("xkbcommon", xkbcommon);
-  wwm.root_module.addImport("wlroots", wlroots);
+  mez.root_module.addImport("wayland", wayland);
+  mez.root_module.addImport("xkbcommon", xkbcommon);
+  mez.root_module.addImport("wlroots", wlroots);
 
-  wwm.linkSystemLibrary("wayland-server");
-  wwm.linkSystemLibrary("xkbcommon");
-  wwm.linkSystemLibrary("pixman-1");
+  mez.linkSystemLibrary("wayland-server");
+  mez.linkSystemLibrary("xkbcommon");
+  mez.linkSystemLibrary("pixman-1");
 
-  b.installArtifact(wwm);
+  b.installArtifact(mez);
 
   const run_step = b.step("run", "Run the app");
-  const run_cmd = b.addRunArtifact(wwm);
+  const run_cmd = b.addRunArtifact(mez);
   run_step.dependOn(&run_cmd.step);
   run_cmd.step.dependOn(b.getInstallStep());
   if (b.args) |args| {

build.zig.zon

@@ -1,7 +1,7 @@
 .{
-    .name = .wwm,
+    .name = .mez,
     .version = "0.0.1",
-    .fingerprint = 0xfd825513ca495f0b, // Changing this has security and trust implications.
+    .fingerprint = 0x171486a117c5ee69, // Changing this has security and trust implications.
     .minimum_zig_version = "0.15.2",
     .dependencies = .{
         .wayland = .{

src/main.zig

@@ -4,4 +4,5 @@ const Server = @import("server.zig").Server;
 
 pub fn main() !void {
   std.debug.print("Starting mezzaluna", .{});
+  _ = try Server.init();
 }

src/server.zig

@@ -7,7 +7,7 @@ pub const Server = struct {
   server: *wl.Server,
   event_loop: *wl.EventLoop,
 
-  session: *wlr.Session,
+  session: ?*wlr.Session,
   backend: *wlr.Backend,
   renderer: *wlr.Renderer,