patch 8.1.1349: if writing runs into conversion error backup file is deleted
Problem: If writing runs into a conversion error the backup file is
deleted. (Arseny Nasokin)
Solution: Don't delete the backup file is the file was overwritten and a
conversion error occurred. (Christian Brabandt, closes #4387)
diff --git a/src/fileio.c b/src/fileio.c
index 659878e..4d9cd05 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -4985,10 +4985,10 @@
}
}
- /*
- * Remove the backup unless 'backup' option is set
- */
- if (!p_bk && backup != NULL && mch_remove(backup) != 0)
+ // Remove the backup unless 'backup' option is set or there was a
+ // conversion error.
+ if (!p_bk && backup != NULL && !write_info.bw_conv_error
+ && mch_remove(backup) != 0)
emsg(_("E207: Can't delete backup file"));
goto nofail;