From be601acec6ea0deb84eeaa832770b6744b3167d0 Mon Sep 17 00:00:00 2001
From: Nick Dumas <nobodys@business.com>
Date: Sat, 2 Sep 2023 10:14:00 -0400
Subject: [PATCH] first draft at stamping, broken because i'm not using
 workspaces

---
 MODULE.bazel         |  2 +-
 cmd/echo/BUILD.bazel |  4 ++++
 cmd/echo/main.go     | 12 ++++++++++--
 git-desc.sh          |  6 ++++++
 version.go           |  6 ++++++
 5 files changed, 27 insertions(+), 3 deletions(-)
 create mode 100755 git-desc.sh
 create mode 100644 version.go

diff --git a/MODULE.bazel b/MODULE.bazel
index 132dea4..4c256e3 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -10,7 +10,7 @@ bazel_dep(name = "rules_pkg", version = "0.9.1")
 
 go_deps = use_extension("@gazelle//:extensions.bzl", "go_deps")
 go_deps.from_file(go_mod = "//:go.mod")
-use_repo(go_deps, "com_github_engoengine_engo", "com_github_threedotslabs_watermill")
+use_repo(go_deps, "com_github_engoengine_ecs", "com_github_threedotslabs_watermill")
 
 oci = use_extension("@rules_oci//oci:extensions.bzl", "oci")
 oci.pull(
diff --git a/cmd/echo/BUILD.bazel b/cmd/echo/BUILD.bazel
index 27db034..94dae79 100644
--- a/cmd/echo/BUILD.bazel
+++ b/cmd/echo/BUILD.bazel
@@ -20,6 +20,10 @@ go_binary(
     name = "echo",
     embed = [":echo_lib"],
     visibility = ["//visibility:public"],
+    x_defs = {
+        "code.ndumas.com/ndumas/gomud.Version":"STABLE_GIT_VERSION",
+        "code.ndumas.com/ndumas/gomud.Build":"STABLE_GIT_COMMIT",
+    },
 )
 
 load("@rules_pkg//:pkg.bzl", "pkg_tar")
diff --git a/cmd/echo/main.go b/cmd/echo/main.go
index 5ee6d4c..3d5fe20 100644
--- a/cmd/echo/main.go
+++ b/cmd/echo/main.go
@@ -14,22 +14,30 @@ import (
 	"github.com/ThreeDotsLabs/watermill/message/router/plugin"
 	"github.com/ThreeDotsLabs/watermill/pubsub/gochannel"
 
+	"code.ndumas.com/ndumas/gomud"
 	"code.ndumas.com/ndumas/gomud/engine"
 	"code.ndumas.com/ndumas/gomud/logger"
 	"code.ndumas.com/ndumas/gomud/telnet"
 )
 
 var (
-	port    int
-	verbose int
+	port        int
+	verbose     int
+	versionFlag bool
 )
 
 func main() {
 
 	flag.IntVar(&verbose, "verbose", 0, "-5:Trace, -4:Debug, 0:Info, 4:Warn, 8:Error")
 	flag.IntVar(&port, "port", 5555, "MUD server port")
+	flag.BoolVar(&versionFlag, "version", false, "print build version")
 	flag.Parse()
 
+	if versionFlag {
+		fmt.Printf("%s@%s\n", gomud.VERSION, gomud.BUILD)
+		return
+	}
+
 	l, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
 	if err != nil {
 		log.Fatalf("error binding to port %d\n: %s", port, err)
diff --git a/git-desc.sh b/git-desc.sh
new file mode 100755
index 0000000..6281632
--- /dev/null
+++ b/git-desc.sh
@@ -0,0 +1,6 @@
+#! /bin/bash
+
+tag=$(git describe --tags --dirty=-dev)
+commit=$(git rev-parse HEAD | head -c8)
+echo "STABLE_GIT_VERSION:$tag"
+echo "STABLE_GIT_COMMIT:$commit"
diff --git a/version.go b/version.go
new file mode 100644
index 0000000..649c90a
--- /dev/null
+++ b/version.go
@@ -0,0 +1,6 @@
+package gomud
+
+const (
+	VERSION = ""
+	BUILD   = ""
+)