back ported Find and FindString

box.go

@@ -64,27 +64,42 @@ func (b Box) AddBytes(path string, t []byte) {
 	b.data[path] = t
 }
 
-// String of the file asked for or an empty string.
+// String is deprecated. Use Find instead
 func (b Box) String(name string) string {
-	return string(b.Bytes(name))
+	oncer.Deprecate(0, "github.com/gobuffalo/packr#Box.String", "Use github.com/gobuffalo/packr#Box.FindString instead.")
+	bb, _ := b.FindString(name)
+	return bb
 }
 
-// MustString returns either the string of the requested
-// file or an error if it can not be found.
+// MustString is deprecated. Use FindString instead
 func (b Box) MustString(name string) (string, error) {
-	bb, err := b.MustBytes(name)
-	return string(bb), err
+	oncer.Deprecate(0, "github.com/gobuffalo/packr#Box.MustString", "Use github.com/gobuffalo/packr#Box.FindString instead.")
+	return b.FindString(name)
 }
 
-// Bytes of the file asked for or an empty byte slice.
+// Bytes is deprecated. Use Find instead
 func (b Box) Bytes(name string) []byte {
-	bb, _ := b.MustBytes(name)
+	oncer.Deprecate(0, "github.com/gobuffalo/packr#Box.Bytes", "Use github.com/gobuffalo/packr#Box.Find instead.")
+	bb, _ := b.Find(name)
 	return bb
 }
 
-// MustBytes returns either the byte slice of the requested
-// file or an error if it can not be found.
+// Bytes is deprecated. Use Find instead
 func (b Box) MustBytes(name string) ([]byte, error) {
+	oncer.Deprecate(0, "github.com/gobuffalo/packr#Box.MustBytes", "Use github.com/gobuffalo/packr#Box.Find instead.")
+	return b.Find(name)
+}
+
+// FindString returns either the string of the requested
+// file or an error if it can not be found.
+func (b Box) FindString(name string) (string, error) {
+	bb, err := b.Find(name)
+	return string(bb), err
+}
+
+// Find returns either the byte slice of the requested
+// file or an error if it can not be found.
+func (b Box) Find(name string) ([]byte, error) {
 	f, err := b.find(name)
 	if err == nil {
 		bb := &bytes.Buffer{}

go.mod

@@ -4,7 +4,6 @@ require (
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/markbates/oncer v0.0.0-20181014194634-05fccaae8fc4
 	github.com/pkg/errors v0.8.0
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/spf13/cobra v0.0.3
 	github.com/spf13/pflag v1.0.3 // indirect
 	github.com/stretchr/testify v1.2.2