fix: tag sorting as map is unsorted

catalogue/catalogue.go

@@ -12,8 +12,10 @@ import (
 
 	"coopcloud.tech/abra/config"
 	"coopcloud.tech/abra/web"
+	"coopcloud.tech/tagcmp"
 	"github.com/go-git/go-git/v5"
 	"github.com/go-git/go-git/v5/plumbing"
+	"github.com/sirupsen/logrus"
 )
 
 type Image struct {
@@ -111,12 +113,21 @@ func (a App) EnsureVersion(version string) error {
 
 // LatestVersion returns the latest version of the app
 func (a App) LatestVersion() string {
-	var latestVersion string
+	var latestTag tagcmp.Tag
 	for tag := range a.Versions {
-		// apps.json versions are sorted so the last key is latest
-		latestVersion = tag
+		currentTag, err := tagcmp.Parse(tag)
+		if err != nil {
+			logrus.Warn(fmt.Errorf("%s is not a valid tag: %s", tag, err))
+		}
+		if latestTag == (tagcmp.Tag{}) {
+			latestTag = currentTag
+		} else {
+			if latestTag.IsLessThan(currentTag) {
+				latestTag = currentTag
+			}
+		}
 	}
-	return latestVersion
+	return latestTag.String()
 }
 
 type Name = string