docs: pass on sub-command help

cli/recipe/diff.go

@@ -5,14 +5,13 @@ import (
 	"coopcloud.tech/abra/pkg/autocomplete"
 	gitPkg "coopcloud.tech/abra/pkg/git"
 	"coopcloud.tech/abra/pkg/log"
-	"coopcloud.tech/abra/pkg/recipe"
 	"github.com/urfave/cli"
 )
 
 var recipeDiffCommand = cli.Command{
 	Name:        "diff",
 	Usage:       "Show unstaged changes in recipe config",
-	Description: "Due to limitations in our underlying Git dependency, this command requires /usr/bin/git.",
+	Description: "This command requires /usr/bin/git.",
 	Aliases:     []string{"d"},
 	ArgsUsage:   "<recipe>",
 	Flags: []cli.Flag{
@@ -22,12 +21,7 @@ var recipeDiffCommand = cli.Command{
 	Before:       internal.SubCommandBefore,
 	BashComplete: autocomplete.RecipeNameComplete,
 	Action: func(c *cli.Context) error {
-		recipeName := c.Args().First()
-		r := recipe.Get(recipeName)
-
-		if recipeName != "" {
-			internal.ValidateRecipe(c)
-		}
+		r := internal.ValidateRecipe(c)
 
 		if err := gitPkg.DiffUnstaged(r.Dir); err != nil {
 			log.Fatal(err)