change usage of tags to recipe versions in deploy.go

cli/app/deploy.go

@@ -281,13 +281,21 @@ checkout as-is. Recipe commit hashes are also supported as values for
 }
 
 func getLatestVersionOrCommit(app appPkg.App) (string, error) {
-	versions, err := app.Recipe.Tags()
+	recipeVersions, warnings, err := app.Recipe.GetRecipeVersions()
 	if err != nil {
 		return "", err
 	}
 
-	if len(versions) > 0 && !internal.Chaos {
-		return versions[len(versions)-1], nil
+	for _, warning := range warnings {
+		log.Warn(warning)
+	}
+
+	if len(recipeVersions) > 0 && !internal.Chaos {
+		latest := recipeVersions[len(recipeVersions)-1]
+		for tag := range latest {
+			log.Debug(i18n.G("selected latest recipe version: %s (from %d available versions)", tag, len(recipeVersions)))
+			return tag, nil
+		}
 	}
 
 	head, err := app.Recipe.Head()

cli/app/new.go

@@ -98,10 +98,14 @@ var AppNewCommand = &cobra.Command{
 			var recipeVersions recipePkg.RecipeVersions
 			if recipeVersion == "" {
 				var err error
-				recipeVersions, _, err = recipe.GetRecipeVersions()
+				var warnings []string
+				recipeVersions, warnings, err = recipe.GetRecipeVersions()
 				if err != nil {
 					log.Fatal(err)
 				}
+				for _, warning := range warnings {
+					log.Warn(warning)
+				}
 			}
 
 			if len(recipeVersions) > 0 {
@@ -110,6 +114,8 @@ var AppNewCommand = &cobra.Command{
 					recipeVersion = tag
 				}
 
+				log.Debug(i18n.G("selected recipe version: %s (from %d available versions)", recipeVersion, len(recipeVersions)))
+
 				if _, err := recipe.EnsureVersion(recipeVersion); err != nil {
 					log.Fatal(err)
 				}

pkg/recipe/git.go

@@ -403,15 +403,18 @@ func (r Recipe) GetRecipeVersions() (RecipeVersions, []string, error) {
 			Branch: plumbing.ReferenceName(ref.Name()),
 		}
 		if err := worktree.Checkout(checkOutOpts); err != nil {
-			log.Debug(i18n.G("failed to check out %s in %s", tag, r.Dir))
-			return err
+			log.Debug(i18n.G("failed to check out %s in %s: %s", tag, r.Dir, err))
+			warnMsg = append(warnMsg, i18n.G("skipping tag %s: checkout failed: %s", tag, err))
+			return nil
 		}
 
 		log.Debug(i18n.G("git checkout: %s in %s", ref.Name(), r.Dir))
 
 		config, err := r.GetComposeConfig(nil)
 		if err != nil {
-			return err
+			log.Debug(i18n.G("failed to get compose config for %s: %s", tag, err))
+			warnMsg = append(warnMsg, i18n.G("skipping tag %s: invalid compose config: %s", tag, err))
+			return nil
 		}
 
 		versionMeta := make(map[string]ServiceMeta)
@@ -419,7 +422,9 @@ func (r Recipe) GetRecipeVersions() (RecipeVersions, []string, error) {
 
 			img, err := reference.ParseNormalizedNamed(service.Image)
 			if err != nil {
-				return err
+				log.Debug(i18n.G("failed to parse image for %s in %s: %s", service.Name, tag, err))
+				warnMsg = append(warnMsg, i18n.G("skipping tag %s: invalid image reference in service %s: %s", tag, service.Name, err))
+				return nil
 			}
 
 			path := reference.Path(img)
@@ -445,6 +450,7 @@ func (r Recipe) GetRecipeVersions() (RecipeVersions, []string, error) {
 
 		return nil
 	}); err != nil {
+		log.Warn(i18n.G("GetRecipeVersions encountered error for %s: %s (collected %d versions)", r.Name, err, len(versions)))
 		return versions, warnMsg, nil
 	}