fsck: clean up temporary mountpoint

We used to leave directories like

  /tmp/gocryptfs.fsck.104431245

behind. Let's clean up after ourselves.

1 files changed, 4 insertions, 0 deletions

diff --git a/fsck.go b/fsck.go
index 70528cf..c0db576 100644
--- a/fsck.go
+++ b/fsck.go
@@ -295,6 +295,10 @@ func fsck(args *argContainer) (exitcode int) {
 		err = srv.Unmount()
 		if err != nil {
 			tlog.Warn.Printf("failed to unmount %q: %v", ck.mnt, err)
+		} else {
+			if err := syscall.Rmdir(ck.mnt); err != nil {
+				tlog.Warn.Printf("cleaning up %q failed: %v", ck.mnt, err)
+			}
 		}
 	}()
 	// Recursively check the root dir