store QEMU spec version generated

Author: JenniGriesmann

internal/qmp-gen/main.go

@@ -42,6 +42,12 @@ func Generate() error {
 
 	// Write out the concatenated spec.
 	var spec bytes.Buffer
+
+	// First add a comment with the best guess of version
+	spec.WriteString("\n##QEMU SPECIFICATION VERSION:  ")
+	spec.WriteString(tryGetVersionFromSpecPath(*inputSpec))
+	spec.WriteString("\n\n")
+
 	for _, def := range defs {
 		spec.WriteString(def.Docstring)
 		spec.WriteByte('\n')

internal/qmp-gen/types.go

@@ -585,6 +585,18 @@ func pyToJSON(py []byte) []byte {
 	return ret
 }
 
+func tryGetVersionFromSpecPath(specPath string) string {
+	retVersion := "UNKNOWN"
+	verPath, err := resolvePath(specPath, "VERSION")
+	if err == nil {
+		verBuf, err := getQAPI(verPath)
+		if err == nil {
+			return string(verBuf)
+		}
+	}
+	return retVersion
+}
+
 func resolvePath(orig, new string) (string, error) {
 	u, err := url.Parse(orig)
 	if err != nil {

qmp/raw/spec.txt

@@ -1,3 +1,7 @@
+
+##QEMU SPECIFICATION VERSION:  2.10.50
+
+
 # Whitelists to permit QAPI rule violations; think twice before you
 # add to them!
 {