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* Support the --attr / -A flag in nix-env as well. So now we can do,

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e.g.,

  $ nix-env -i -A subversion xorg.xorgserver

  The main advantage over using symbolic names is that using attribute
  names is unambiguous and much, much faster.
This commit is contained in:
Eelco Dolstra 2006-07-25 11:53:22 +00:00
parent 7a3a5d1608
commit 5744dd5480
3 changed files with 27 additions and 3 deletions
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9
src/nix-env/help.txt
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@ -28,6 +28,15 @@ Install / upgrade / uninstall flags:
--dry-run: show what would be done, but don't do it
Installation sources:
--from-expression / -E EXPR...: evaluate expressions specified on
the command line; expressions should be functions that take the
default Nix expression as an argument
--from-profile PROFILE NAMES...: copy named packages from PROFILE
--attr / -A ATTRS...: select attributes by name from the default Nix
expression
Upgrade flags:
--lt: upgrade if the current version is older (default)