Comment #26 is due to a separate issue with software-properties and how
it naively determines if security updates will be installed
automatically. Here's the code in question:
143 def get_update_automation_level(self):
144 """ Parse the apt cron configuration. Try to fit a predefined use case
145 and return it. Special case: if the user made a custom
146 configurtation, that we cannot represent it will return None """
147 if apt_pkg.config.find_i(softwareproperties.CONF_MAP["autoupdate"]) > 0:
148 # Autodownload
149 if apt_pkg.config.find_i(softwareproperties.CONF_MAP["unattended"])
== 1\
150 and os.path.exists("/usr/bin/unattended-upgrade"):
151 return softwareproperties.UPDATE_INST_SEC
152 elif
apt_pkg.config.find_i(softwareproperties.CONF_MAP["autodownload"]) == 1 and \
153
apt_pkg.config.find_i(softwareproperties.CONF_MAP["unattended"]) == 0:
154 return softwareproperties.UPDATE_DOWNLOAD
155 elif
apt_pkg.config.find_i(softwareproperties.CONF_MAP["unattended"]) == 0 and \
156
apt_pkg.config.find_i(softwareproperties.CONF_MAP["autodownload"]) == 0:
157 return softwareproperties.UPDATE_NOTIFY
158 else:
159 return None
The test is line 149 and 150 assumes that -security is enabled in
Allowed-Origins, which I disabled with the casper upload.
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https://bugs.launchpad.net/bugs/1619188
Title:
Unattended upgrades can break persistent live media
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