[MacPorts] #48486: lion buildslave registry damaged

[MacPorts]

#48486: lion buildslave registry damaged
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  Reporter:  snc@…           |      Owner:  admin@…
      Type:  defect          |     Status:  new
  Priority:  High            |  Milestone:
 Component:  server/hosting  |    Version:
Resolution:                  |   Keywords:
      Port:                  |
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Comment (by ryandesign@…):

 How much disk space is free? Some ports, like clang, need 10-20GB free,
 and the free space on the builders does decrease over time as more and
 more ports get added to MacPorts (since all ports stay installed (though
 inactive) on the builders).

 I don't know how one would rebuild a corrupted sqlite database. Looking
 around on the internet, one suggestion is to try to dump the data to a new
 database, like:

 {{{
 sqlite3 registry.db ".dump" | sqlite3 registry.db.new
 mv registry.db registry.db.old
 mv registry.db.new registry.db
 }}}

 But this might not work, depending on the nature of the corruption.

 The next best solution would be to restore the virtual machine to a state
 before the registry corruption occurred (before August 1, 2015).

 If we can't repair the registry and can't restore the machine, the next
 idea would be to delete the registry.db file and the contents of the
 /opt/local/var/macports/software directory, which should make MacPorts
 think no ports are installed. If no ports were active when the corruption
 occurred, I think this should work. If the corruption occurred in the
 middle of a build, when ports were active, we will soon learn about it
 through activation failure messages.

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Ticket URL: <https://trac.macports.org/ticket/48486#comment:5>
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