Ensure lockfile is written with truncation

evanpurkhiser · Jul 14, 2019 · d7ffa7e · d7ffa7e
1 parent bfb3a5e
commit d7ffa7e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/config/config.go b/config/config.go
@@ -162,7 +162,8 @@ func WriteLockfile(lockfile *SourceLockfile, config *SourceConfig) error {
 		return err
 	}
 
-	file, err := os.OpenFile(config.LockfilePath, os.O_RDWR|os.O_CREATE, 0666)
+	flags := os.O_RDWR | os.O_CREATE | os.O_TRUNC
+	file, err := os.OpenFile(config.LockfilePath, flags, 0666)
 	if err != nil {
 		return err
 	}