Rename 'new' command to 'from'

internal/command/all.go

@@ -4,6 +4,6 @@ import "github.com/urfave/cli/v2"
 
 func All() []*cli.Command {
 	return []*cli.Command{
-		newProjectCommand(),
+		fromCommand(),
 	}
 }

internal/command/from_project.go

@@ -13,9 +13,9 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
-func newProjectCommand() *cli.Command {
+func fromCommand() *cli.Command {
 	return &cli.Command{
-		Name:      "new",
+		Name:      "from",
 		Aliases:   []string{"n"},
 		Usage:     "generate a new project from a given template url",
 		ArgsUsage: "<URL>",
@@ -33,11 +33,11 @@ func newProjectCommand() *cli.Command {
 				Value:   "scaffold.yml",
 			},
 		},
-		Action: newProjectAction,
+		Action: fromAction,
 	}
 }
 
-func newProjectAction(c *cli.Context) error {
+func fromAction(c *cli.Context) error {
 	rawURL := c.Args().First()
 
 	projectURL, err := url.Parse(rawURL)
@@ -59,6 +59,10 @@ func newProjectAction(c *cli.Context) error {
 		}
 	}
 
+	if fetcher == nil {
+		return errors.Errorf("could not find any fetcher matching URL '%v'", projectURL)
+	}
+
 	vfs, err := fetcher.Fetch(projectURL)
 	if err != nil {
 		return errors.Wrap(err, "could not fetch project")