added a hash function and return plush errors

fix/fix.go

@@ -19,6 +19,9 @@ func Init(box packr.Box) error {
 		}
 
 		x, err := render(file)
+		if err != nil {
+			return errors.Wrap(errors.WithStack(err), path)
+		}
 
 		sc := Scenarios{}
 		_, err = toml.Decode(x, &sc)

fix/plush.go

@@ -8,6 +8,7 @@ import (
 	"github.com/gobuffalo/plush"
 	"github.com/gobuffalo/uuid"
 	"github.com/pkg/errors"
+	"golang.org/x/crypto/bcrypt"
 )
 
 func render(file packr.File) (string, error) {
@@ -23,8 +24,17 @@ func render(file packr.File) (string, error) {
 		},
 		"uuidNamed": uuidNamed,
 		"now":       time.Now,
+		"hash":      hash,
 	}))
+}
 
+func hash(s string, opts map[string]interface{}, help plush.HelperContext) (string, error) {
+	cost := bcrypt.DefaultCost
+	if i, ok := opts["cost"].(int); ok {
+		cost = i
+	}
+	ph, err := bcrypt.GenerateFromPassword([]byte(s), cost)
+	return string(ph), err
 }
 
 func uuidNamed(name string, help plush.HelperContext) uuid.UUID {

fix/plush_test.go

@@ -0,0 +1,15 @@
+package fix
+
+import (
+	"testing"
+
+	"github.com/gobuffalo/plush"
+	"github.com/stretchr/testify/require"
+)
+
+func Test_hash(t *testing.T) {
+	r := require.New(t)
+	s, err := hash("password", map[string]interface{}{}, plush.HelperContext{})
+	r.NoError(err)
+	r.NotEqual("password", s)
+}