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authorEelco Dolstra <e.dolstra@tudelft.nl>2006-12-12T19·06+0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2006-12-12T19·06+0000
commit7ace29dae7bc928e5511c148408825f6d846771e (patch)
tree7fddcd48dbff25380f817312328d0996531d929f /scripts
parent1a7e88bbd9290987e72616d42c9e9d344acc2a86 (diff)
* New operation `nix-env --set' which sets a user environment to a
  single derivation specified by the argument.  This is useful when we
  want to have a profile for a single derivation, such as a server
  configuration.  Then we can just say (e.g.)

  $ nix-env -p /.../server-profile -f server.nix --set -A server

  We can't do queries or upgrades on such a profile, but we can do
  rollbacks.  The advantage over -i is that we don't have to worry
  about other packages having been installed in the profile
  previously; --set gets rid of them.

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