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* merged the apt-breaks-iwj branch
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debian/apt.cron.daily
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#  "APT::Periodic::AutocleanInterval"
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#  - Do "apt-get autoclean" every n-days (0=disable)
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#
 
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#  "APT::Periodic::Unattended-Upgrade"
 
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#  - Run the "unattended-upgrade" security upgrade script 
 
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#    every n-days (0=disabled)
 
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#    Requires the package "unattended-upgrades" and will write
 
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#    a log in /var/log/unattended-upgrades
 
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# 
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#  "APT::Archives::MaxAge",
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#  - Set maximum allowed age of a cache package file. If a cache 
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#    package file is older it is deleted (0=disable)
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AutocleanInterval=$DownloadUpgradeableInterval
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eval $(apt-config shell AutocleanInterval APT::Periodic::Autoclean)
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UnattendedUpgradeInterval=0
 
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eval $(apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade)
 
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# laptop check, on_ac_power returns:
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#       0 (true)    System is on mains power
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#       1 (false)   System is not on mains power
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    update_stamp $AUTOCLEAN_STAMP
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fi
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UPGRADE_STAMP=/var/lib/apt/periodic/upgrade-stamp
 
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if check_stamp $UPGRADE_STAMP $UnattendedUpgradeInterval; then
 
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    unattended-upgrade
 
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    update_stamp $UPGRADE_STAMP
 
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fi
 
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# check cache size 
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check_size_constraints