From c9a040d4dea97b54828e954b578cd4fbaf7f257a Mon Sep 17 00:00:00 2001
From: Bryan Boreham <bryan@weave.works>
Date: Thu, 14 Jan 2021 16:20:51 +0000
Subject: [PATCH] Suggest retry if lockfile disappears

---
 lockfile.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lockfile.go b/lockfile.go
index ce1244f..698e028 100644
--- a/lockfile.go
+++ b/lockfile.go
@@ -138,6 +138,10 @@ func (l Lockfile) TryLock() error {
 	_, err = l.GetOwner()
 	switch err {
 	default:
+		if os.IsNotExist(err) {
+			// tell user that a retry would be a good idea
+			return ErrNotExist
+		}
 		// Other errors -> defensively fail and let caller handle this
 		return err
 	case nil: