#10605 NORM 11.2.0-: set default timezone at build time

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#10605: set default timezone at build time
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           Reporter:  jvonau        |       Owner:  dsd          
               Type:  defect        |      Status:  reopened     
           Priority:  normal        |   Milestone:  11.2.0-M3    
          Component:  build-system  |     Version:  not specified
         Resolution:                |    Keywords:               
        Next_action:  code          |    Verified:  0            
Deployment_affected:                |   Blockedby:               
           Blocking:                |  
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Comment(by jvonau):

 Sorry, mistyped what I wanted, two different issues, ntpdate does not
 touch /etc/localtime at all. ntpdate tracks its local changes on the first
 2 lines of /etc/adjtime. I think it would be good to have around between
 reboots, via removal from /etc/rwtab, and not revert. I believe this may
 break olpc-update unless there is a pristine copy in /security/state/etc
 via /etc/statetab.d/olpc like /etc/hosts has.

 In order for gnome's clock applet to show the correct time for your
 timezone, /etc/localtime needs to be the correct file from
 /usr/share/zoneinfo. This is what imgcreate/kickstart.py does during the
 creation process and the result is stored in /etc/sysconfig/clock. To
 alter the timezone after the image is created you would need to change the
 /etc/localtime file and edit /etc/sysconfig/clock to reflect the change. I
 believe this would break the pristine-ness of the image like changes to
 /etc/hosts would, hampering olpc-update or the local changes maybe be
 overwritten upon upgrading due to not being the the /security/state
 directory tree.

 Changing the timezone in sugar is trivial, I'm testing something for os-
 builder to set the timezone for sugar at image creation time.

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Ticket URL: <http://dev.laptop.org/ticket/10605#comment:19>
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