From: Daira Hopwood Date: Tue, 2 Jun 2015 01:09:25 +0000 (+0100) Subject: fileutil: make the error behaviour of replace_file on Unix more similar to Windows. X-Git-Url: https://git.rkrishnan.org/components/%3C?a=commitdiff_plain;h=b56c55bab4a5d7eca240b227143e1bd6554d8baa;p=tahoe-lafs%2Ftahoe-lafs.git fileutil: make the error behaviour of replace_file on Unix more similar to Windows. Signed-off-by: Daira Hopwood --- diff --git a/src/allmydata/util/fileutil.py b/src/allmydata/util/fileutil.py index 7902e8b8..07c417f9 100644 --- a/src/allmydata/util/fileutil.py +++ b/src/allmydata/util/fileutil.py @@ -625,6 +625,8 @@ else: precondition_abspath(replacement_path) precondition_abspath(backup_path) + if not os.path.exists(replacement_path): + raise ConflictError("Replacement file not found: %r" % (replacement_path,)) try: os.rename(replaced_path, backup_path) rename_no_overwrite(replacement_path, replaced_path)