coreos/update_engine — pull request #49 by vcaputo (2014-09-25 00:42:32+00:00)
Title: Persist the first version in a pref and include it in omaha req attrs

The pref is named "aleph-version", and the omaha req app attr
"alephversion":
$ cat /var/lib/update_engine/prefs/aleph-version
444.0.0+2014-09-22-1720

$ journalctl -u update-engine | grep aleph
Sep 25 00:08:20 coreos_developer_qemu-444-0-0-20 update_engine[1791]: