Develop (#250)

runtime/filesystem.go

@@ -0,0 +1,16 @@
+package runtime
+
+import homedir "github.com/mitchellh/go-homedir"
+
+// FileSystem exposes file system utilities to the runtime
+type FileSystem struct {}
+
+// NewFileSystem creates a new FileSystem struct
+func NewFileSystem() *FileSystem {
+	return &FileSystem{}
+}
+
+// HomeDir returns the user's home directory
+func (r *FileSystem) HomeDir() (string, error) {
+	return homedir.Dir()
+}