diff --git a/mercurial/bundle2.py b/mercurial/bundle2.py
--- a/mercurial/bundle2.py
+++ b/mercurial/bundle2.py
@@ -373,7 +373,7 @@
         msg = ['bundle2-input-bundle:']
         if unbundler.params:
             msg.append(' %i params' % len(unbundler.params))
-        if op.gettransaction is None or op.gettransaction is _notransaction:
+        if op._gettransaction is None or op._gettransaction is _notransaction:
             msg.append(' no-transaction')
         else:
             msg.append(' with-transaction')
diff --git a/tests/test-acl.t b/tests/test-acl.t
--- a/tests/test-acl.t
+++ b/tests/test-acl.t
@@ -120,7 +120,7 @@
   bundle2-output-bundle: "HG20", 2 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
-  bundle2-input-bundle: with-transaction
+  bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
@@ -184,7 +184,7 @@
   bundle2-output-bundle: "HG20", 2 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
-  bundle2-input-bundle: with-transaction
+  bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
@@ -259,7 +259,7 @@
   bundle2-output-bundle: "HG20", 2 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
-  bundle2-input-bundle: with-transaction
+  bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
@@ -742,7 +742,7 @@
   bundle2-output-bundle: "HG20", 2 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
-  bundle2-input-bundle: with-transaction
+  bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
@@ -1056,7 +1056,7 @@
   bundle2-output-bundle: "HG20", 2 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
-  bundle2-input-bundle: with-transaction
+  bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
@@ -1141,7 +1141,7 @@
   bundle2-output-bundle: "HG20", 2 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
-  bundle2-input-bundle: with-transaction
+  bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
@@ -1298,7 +1298,7 @@
   bundle2-output-bundle: "HG20", 2 parts total
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
-  bundle2-input-bundle: with-transaction
+  bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
@@ -1502,7 +1502,7 @@
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
-  bundle2-input-bundle: with-transaction
+  bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
@@ -1798,7 +1798,7 @@
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
-  bundle2-input-bundle: with-transaction
+  bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
@@ -1891,7 +1891,7 @@
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
-  bundle2-input-bundle: with-transaction
+  bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
@@ -2052,7 +2052,7 @@
   bundle2-output-part: "reply:changegroup" (advisory) (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
   bundle2-output-part: "reply:pushkey" (params: 0 advisory) empty payload
-  bundle2-input-bundle: with-transaction
+  bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported