first commit
changes by Bob
changes by Alice
Merge remote-tracking branch 'origin/master'

* origin/master:
  changes by Alice
changes by Alice
Merge remote-tracking branch 'origin/master'

* origin/master:
  changes by Bob
changes by Bob
Merge branch 'master' of /tmp/r/merge-bubble

* 'master' of /tmp/r/merge-bubble:
  changes by Alice
changes by Alice
Merge branch 'master' of /tmp/r/merge-bubble

* 'master' of /tmp/r/merge-bubble:
  changes by Bob
changes by Bob
Merge branch 'master' of /tmp/r/merge-bubble

* 'master' of /tmp/r/merge-bubble:
  changes by Alice
changes by Alice
Merge branch 'master' of /tmp/r/merge-bubble

* 'master' of /tmp/r/merge-bubble:
  changes by Bob
changes by Bob
Merge branch 'master' of /tmp/r/merge-bubble

* 'master' of /tmp/r/merge-bubble:
  changes by Alice
changes by Alice
Merge branch 'master' of /tmp/r/merge-bubble

* 'master' of /tmp/r/merge-bubble:
  changes by Bob
changes by Alice
changes by Bob