refactor: centralise recipe validation

cli/internal/validate.go

@@ -11,8 +11,8 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
-// ValidateRecipeArg ensures the recipe arg is valid.
-func ValidateRecipeArg(c *cli.Context) string {
+// ValidateRecipe ensures the recipe arg is valid.
+func ValidateRecipe(c *cli.Context) string {
 	recipeName := c.Args().First()
 
 	if recipeName == "" {
@@ -21,6 +21,7 @@ func ValidateRecipeArg(c *cli.Context) string {
 
 	if err := recipe.EnsureExists(recipeName); err != nil {
 		logrus.Fatal(err)
+		os.Exit(1)
 	}
 
 	return recipeName

cli/recipe/create.go

@@ -1,7 +1,6 @@
 package recipe
 
 import (
-	"errors"
 	"fmt"
 	"os"
 	"path"
@@ -20,10 +19,7 @@ var recipeCreateCommand = &cli.Command{
 	Aliases:   []string{"c"},
 	ArgsUsage: "<recipe>",
 	Action: func(c *cli.Context) error {
-		recipe := c.Args().First()
-		if recipe == "" {
-			internal.ShowSubcommandHelpAndError(c, errors.New("no recipe provided"))
-		}
+		recipe := internal.ValidateRecipe(c)
 
 		directory := path.Join(config.APPS_DIR, recipe)
 		if _, err := os.Stat(directory); !os.IsNotExist(err) {

cli/recipe/lint.go

@@ -23,7 +23,7 @@ var recipeLintCommand = &cli.Command{
 	Aliases:   []string{"l"},
 	ArgsUsage: "<recipe>",
 	Action: func(c *cli.Context) error {
-		recipe := internal.ValidateRecipeArg(c)
+		recipe := internal.ValidateRecipe(c)
 
 		pattern := fmt.Sprintf("%s/%s/compose**yml", config.APPS_DIR, recipe)
 		composeFiles, err := filepath.Glob(pattern)

cli/recipe/list.go

@@ -19,16 +19,21 @@ var recipeListCommand = &cli.Command{
 		if err != nil {
 			logrus.Fatal(err.Error())
 		}
+
 		recipes := catl.Flatten()
 		sort.Sort(catalogue.ByRecipeName(recipes))
+
 		tableCol := []string{"Name", "Category", "Status"}
 		table := formatter.CreateTable(tableCol)
+
 		for _, recipe := range recipes {
 			status := fmt.Sprintf("%v", recipe.Features.Status)
 			tableRow := []string{recipe.Name, recipe.Category, status}
 			table.Append(tableRow)
 		}
+
 		table.Render()
+
 		return nil
 	},
 }

cli/recipe/sync.go

@@ -28,7 +28,7 @@ the versioning metadata of up-and-running containers are.
 `,
 	ArgsUsage: "<recipe>",
 	Action: func(c *cli.Context) error {
-		recipe := internal.ValidateRecipeArg(c)
+		recipe := internal.ValidateRecipe(c)
 
 		appFiles, err := config.LoadAppFiles("")
 		if err != nil {

cli/recipe/upgrade.go

@@ -35,7 +35,7 @@ This is step 1 of upgrading a recipe. Step 2 is running "abra recipe sync
 `,
 	ArgsUsage: "<recipe>",
 	Action: func(c *cli.Context) error {
-		recipe := internal.ValidateRecipeArg(c)
+		recipe := internal.ValidateRecipe(c)
 
 		appFiles, err := config.LoadAppFiles("")
 		if err != nil {

cli/recipe/version.go

@@ -14,7 +14,7 @@ var recipeVersionCommand = &cli.Command{
 	Aliases:   []string{"v"},
 	ArgsUsage: "<recipe>",
 	Action: func(c *cli.Context) error {
-		recipe := internal.ValidateRecipeArg(c)
+		recipe := internal.ValidateRecipe(c)
 
 		catalogue, err := catalogue.ReadRecipeCatalogue()
 		if err != nil {

pkg/config/app.go

@@ -157,7 +157,7 @@ func LoadAppFiles(servers ...string) (AppFiles, error) {
 func GetApp(apps AppFiles, name AppName) (App, error) {
 	appFile, exists := apps[name]
 	if !exists {
-		return App{}, fmt.Errorf("cannot find app file with name '%s'", name)
+		return App{}, fmt.Errorf("cannot find app with name '%s'", name)
 	}
 	app, err := readAppEnvFile(appFile, name)
 	if err != nil {