Rename CopyDirectory to CopyDir

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)

fs/copy.go

@@ -17,9 +17,9 @@ var (
 	}
 )
 
-// CopyDirectory copies the directory from src to dst.
+// CopyDir copies the directory from src to dst.
 // Most efficient copy of files is attempted.
-func CopyDirectory(dst, src string) error {
+func CopyDir(dst, src string) error {
 	inodes := map[uint64]string{}
 	return copyDirectory(dst, src, inodes)
 }

fs/copy_test.go

@@ -45,7 +45,7 @@ func testCopy(apply fstest.Applier) error {
 		return errors.Wrap(err, "failed to apply changes")
 	}
 
-	if err := CopyDirectory(t2, t1); err != nil {
+	if err := CopyDir(t2, t1); err != nil {
 		return errors.Wrap(err, "failed to copy")
 	}
 

fs/diff_test.go

@@ -164,7 +164,7 @@ func testDiffWithBase(base, diff fstest.Applier, expected []testChange) error {
 		return errors.Wrap(err, "failed to apply base filesytem")
 	}
 
-	if err := CopyDirectory(t2, t1); err != nil {
+	if err := CopyDir(t2, t1); err != nil {
 		return errors.Wrap(err, "failed to copy base directory")
 	}