From 4173b03f546d48b15ad900367a21e82a01802858 Mon Sep 17 00:00:00 2001
From: Jarred Sumner <jarred@jarredsumner.com>
Date: Tue, 14 Sep 2021 02:21:40 -0700
Subject: [PATCH] Include a build id

---
 Makefile       |  5 +++++
 build-id       |  1 +
 src/global.zig |  2 ++
 src/http.zig   | 10 +++++++---
 4 files changed, 15 insertions(+), 3 deletions(-)
 create mode 100644 build-id

diff --git a/Makefile b/Makefile
index 8abe17d0c816a..e35fe3809c731 100644
--- a/Makefile
+++ b/Makefile
@@ -37,6 +37,11 @@ jsc-bindings-headers:
 	mkdir -p src/JavaScript/jsc/bindings-obj/
 	zig build headers
 
+bump: 
+	expr $(BUILD_ID) + 1 > build-id
+
+BUILD_ID := $(shell cat ./build-id)
+
 jsc-copy-headers:
 	find src/JavaScript/jsc/WebKit/WebKitBuild/Release/JavaScriptCore/Headers/JavaScriptCore/ -name "*.h" -exec cp {} src/JavaScript/jsc/WebKit/WebKitBuild/Release/JavaScriptCore/PrivateHeaders/JavaScriptCore \;
 
diff --git a/build-id b/build-id
new file mode 100644
index 0000000000000..45a4fb75db864
--- /dev/null
+++ b/build-id
@@ -0,0 +1 @@
+8
diff --git a/src/global.zig b/src/global.zig
index 38ceac9164e42..55ffbc55bbd40 100644
--- a/src/global.zig
+++ b/src/global.zig
@@ -384,6 +384,8 @@ pub const Output = struct {
 };
 
 pub const Global = struct {
+    pub const build_id = std.fmt.parseInt(u64, @embedFile("../build-id"), 10) catch unreachable;
+
     pub fn panic(comptime fmt: string, args: anytype) noreturn {
         @setCold(true);
         if (comptime isWasm) {
diff --git a/src/http.zig b/src/http.zig
index a38a50c46a036..b6a14357b1578 100644
--- a/src/http.zig
+++ b/src/http.zig
@@ -2538,25 +2538,29 @@ pub const Server = struct {
         if (std.mem.readIntNative(u32, &addr.ipv4.host.octets) == 0 or std.mem.readIntNative(u128, &addr.ipv6.host.octets) == 0) {
             if (server.bundler.options.routes.single_page_app_routing) {
                 Output.prettyError(
-                    " Bun!!<r>\n\n\n<d>  Link:<r> <b><cyan>http://localhost:{d}<r>\n        <d>./{s}/index.html<r> \n\n\n",
+                    " Bun!! <d>build {d}<r>\n\n\n<d>  Link:<r> <b><cyan>http://localhost:{d}<r>\n        <d>./{s}/index.html<r> \n\n\n",
                     .{
+                        Global.build_id,
                         addr.ipv4.port,
                         resolve_path.relative(server.bundler.fs.top_level_dir, server.bundler.options.routes.static_dir),
                     },
                 );
             } else {
-                Output.prettyError(" Bun!!<r>\n\n\n<d>  Link:<r> <b><cyan>http://localhost:{d}<r>\n\n\n", .{
+                Output.prettyError(" Bun!! <d>build {d}<r>\n\n\n<d>  Link:<r> <b><cyan>http://localhost:{d}<r>\n\n\n", .{
+                    Global.build_id,
                     addr.ipv4.port,
                 });
             }
         } else {
             if (server.bundler.options.routes.single_page_app_routing) {
                 Output.prettyError(" Bun!!<r>\n\n\n<d>  Link:<r> <b><cyan>http://{s}<r>\n       <d>./{s}/index.html<r> \n\n\n", .{
+                    Global.build_id,
                     addr,
                     resolve_path.relative(server.bundler.fs.top_level_dir, server.bundler.options.routes.static_dir),
                 });
             } else {
-                Output.prettyError(" Bun!!<r>\n\n\n<d>  Link:<r> <b><cyan>http://{s}<r>\n\n\n", .{
+                Output.prettyError(" Bun!! <d>build {d}\n\n\n<d>  Link:<r> <b><cyan>http://{s}<r>\n\n\n", .{
+                    Global.build_id,
                     addr,
                 });
             }