From aec889e65e5db2a53e374d818c0af73a7d7b747e Mon Sep 17 00:00:00 2001
From: Igor Chubin <igor@chub.in>
Date: Sun, 11 Dec 2022 14:27:46 +0100
Subject: [PATCH] Add internal/util/files.go

---
 internal/util/files.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 internal/util/files.go

diff --git a/internal/util/files.go b/internal/util/files.go
new file mode 100644
index 0000000..d656624
--- /dev/null
+++ b/internal/util/files.go
@@ -0,0 +1,18 @@
+package util
+
+import "os"
+
+// RemoveFileIfExists removes filename if exists, or does nothing if the file
+// is not there. Returns an error, if it occurred during deletion.
+func RemoveFileIfExists(filename string) error {
+	_, err := os.Stat(filename)
+	if err != nil {
+		if !os.IsNotExist(err) {
+			return err
+		}
+		// no db file
+		return nil
+	}
+
+	return os.Remove(filename)
+}