datadir/datadir.go: add CacheDir()

1 files changed, 13 insertions, 0 deletions

diff --git a/datadir/datadir.go b/datadir/datadir.go
index 9019e5d..583dac4 100644
--- a/datadir/datadir.go
+++ b/datadir/datadir.go
@@ -46,3 +46,16 @@ func Join(args ...string) (string, error) {
     return filepath.Join(dir, filepath.Join(args...)), nil
   }
 }
+
+// Get path to cache directory path within data directory and create it
+// if it does not exist.
+func CacheDir() (string, error) {
+  // build path, check for error
+  dir, err := Join("cache")
+  if err != nil {
+    return "", err
+  }
+
+  // create and return cache directory
+  return dir, os.MkdirAll(dir, 0700)
+}