feat: include version info in the binaries

version/version.go

@@ -0,0 +1,37 @@
+package version
+
+import "runtime/debug"
+
+// You can set the version at build time using something like:
+// go build -ldflags "-X github.com/vsariola/sointu/version.Version=$(git describe --dirty)"
+
+var Version string
+
+var Hash = func() string {
+	if info, ok := debug.ReadBuildInfo(); ok {
+		modified := false
+		for _, setting := range info.Settings {
+			if setting.Key == "vcs.modified" && setting.Value == "true" {
+				modified = true
+				break
+			}
+		}
+		for _, setting := range info.Settings {
+			if setting.Key == "vcs.revision" {
+				shortHash := setting.Value[:7]
+				if modified {
+					return shortHash + "-dirty"
+				}
+				return shortHash
+			}
+		}
+	}
+	return ""
+}()
+
+var VersionOrHash = func() string {
+	if Version != "" {
+		return Version
+	}
+	return Hash
+}()