fix reverse tags (Azure#18900)

* fix reverse tags

* upgrade to @autorest/gotest@4.2.2

* fix

* fix

* add releaseTagsSort

Author: Alancere

eng/scripts/MgmtTestLib.ps1

@@ -21,7 +21,7 @@ function Invoke-MgmtTestgen ()
         [string]$config = "autorest.md",
         [string]$autorestVersion = "3.8.2",
         [string]$goExtension = "@autorest/go@4.0.0-preview.43",
-        [string]$testExtension = "@autorest/gotest@4.2.1",
+        [string]$testExtension = "@autorest/gotest@4.2.2",
         [string]$outputFolder
     )
     if ($clean)

eng/tools/generator/cmd/v2/common/changlogProcessor.go

@@ -48,11 +48,29 @@ func GetAllVersionTags(rpName, namespaceName string) ([]string, error) {
 			tags = append(tags, tag["ref"].(string))
 		}
 	}
-	sort.Sort(sort.Reverse(sort.StringSlice(tags)))
+	sort.Sort(releaseTagsSort(tags))
 
 	return tags, nil
 }
 
+type releaseTagsSort []string
+
+func (t releaseTagsSort) Len() int {
+	return len(t)
+}
+
+func (t releaseTagsSort) Swap(i, j int) {
+	t[i], t[j] = t[j], t[i]
+}
+
+func (t releaseTagsSort) Less(i, j int) bool {
+	if t[i] > t[j] {
+		return !strings.Contains(t[i], t[j])
+	} else {
+		return strings.Contains(t[j], t[i])
+	}
+}
+
 func ContainsPreviewAPIVersion(packagePath string) (bool, error) {
 	log.Printf("Judge whether contains preview API version from '%s' ...", packagePath)