feat: upgrade an app with no user input with --minor/major/patch flag

cli/recipe/upgrade.go

@@ -117,16 +117,18 @@ is up to the end-user to decide.
 			}
 
 			logrus.Debugf("detected compatible upgradable tags '%s' for '%s'", compatibleStrings, service.Name)
+			var upgradeTag string
 			if bumpType != 0 {
-				if bumpType == 1 {
-					// Patch upgrade
-					fmt.Println("Patch")
-				} else if bumpType == 2 {
-					// Minor upgrade
-					fmt.Println("Minor")
-				} else {
-					// Major upgrade
-					fmt.Println("Major")
+				for _, upTag := range compatible {
+					upElement, err := tag.UpgradeElement(upTag)
+					if err != nil {
+						return err
+					}
+					delta := tagcmp.UpgradeType(upElement)
+					if delta == bumpType {
+						upgradeTag = upTag.String()
+						break
+					}
 				}
 			} else {
 				msg := fmt.Sprintf("upgrade to which tag? (service: %s, tag: %s)", service.Name, tag)
@@ -140,7 +142,6 @@ is up to the end-user to decide.
 					}
 				}
 
-				var upgradeTag string
 				prompt := &survey.Select{
 					Message: msg,
 					Options: compatibleStrings,
@@ -149,12 +150,10 @@ is up to the end-user to decide.
 					logrus.Fatal(err)
 				}
 			}
-			/*
-				if err := recipe.UpdateTag(image, upgradeTag); err != nil {
-					logrus.Fatal(err)
-				}
-				logrus.Debugf("tag updated from '%s' to '%s' for '%s'", image, upgradeTag, recipe.Name)
-			*/
+			if err := recipe.UpdateTag(image, upgradeTag); err != nil {
+				logrus.Fatal(err)
+			}
+			logrus.Debugf("tag updated from '%s' to '%s' for '%s'", image, upgradeTag, recipe.Name)
 		}
 
 		return nil