# HG changeset patch
# User Jun Wu <qu...@fb.com>
# Date 1490572770 25200
# Sun Mar 26 16:59:30 2017 -0700
# Node ID 4b594304a50056b5bde7b193e5496db6f68982dc
# Parent 79b332a45f07401b16e0b8cdb861655057773ff7
# Available At https://bitbucket.org/quark-zju/hg-draft
# hg pull https://bitbucket.org/quark-zju/hg-draft -r 4b594304a500
transaction: use ProgrammingError
diff --git a/mercurial/transaction.py b/mercurial/transaction.py
--- a/mercurial/transaction.py
+++ b/mercurial/transaction.py
@@ -227,5 +227,5 @@ class transaction(object):
if self._queue:
msg = 'cannot use transaction.addbackup inside "group"'
- raise RuntimeError(msg)
+ raise error.ProgrammingError(msg)
if file in self.map or file in self._backupmap:
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