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-rw-r--r--pygnulib/GLImport.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/pygnulib/GLImport.py b/pygnulib/GLImport.py
index 367ea94d2f..a6d080912a 100644
--- a/pygnulib/GLImport.py
+++ b/pygnulib/GLImport.py
@@ -726,9 +726,9 @@ AC_DEFUN([%s_FILE_LIST], [\n''' % macro_prefix
if not self.config['dryrun']:
print('Updating %s (backup in %s)' %
(srcpath, backupname))
- shutil.move(srcpath, backupname)
+ shutil.copy2(srcpath, backupname)
result = string()
- with codecs.open(srcpath, 'wb', 'UTF-8') as file:
+ with codecs.open(srcpath, 'ab', 'UTF-8') as file:
file.write(destdata)
else: # if self.config['dryrun']
print('Updating %s (backup in %s)' %