http.manage: Avoid overwriting an existing file with --export-ca.

7a7d0383 · Vincent Pelletier · 3de956d3 · 7a7d0383
Commit 7a7d0383 authored Feb 02, 2021 by Vincent Pelletier
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caucase/http.py caucase/http.py +2 -0

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--- a/caucase/http.py
+++ b/caucase/http.py
@@ -1142,6 +1142,8 @@ def manage(argv=None, stdout=sys.stdout):
      file=stdout,
    )
  if args.export_ca is not None:
+    if os.path.exists(args.export_ca):
+      parser.error('file exists: %r' % (args.export_ca, ))
    while True:
      passphrase = getBytePass(
        'CA export passphrase: ',