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* `nix-env -u' now allows a specific version to be specified when

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upgrading.

  This fixes a bug reported by Martin:

    $ nix-env -i foo-1.0
    $ nix-env -u foo-1.0
    upgrading foo-1.0 to foo-1.1
This commit is contained in:
Eelco Dolstra 2004-06-28 13:37:05 +00:00
parent 2746a879e2
commit 24286e15c9
2 changed files with 10 additions and 4 deletions
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3
doc/manual/nix-env.xml
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@ -312,6 +312,9 @@ $ nix-env -f ~/foo.nix -i '*' <lineannotation>(install everything in <filename>f
$ nix-env --upgrade gcc
upgrading `gcc-3.3.1' to `gcc-3.4'
$ nix-env -u gcc-3.3.2 --always <lineannotation>(switch to a specific version)</lineannotation>
upgrading `gcc-3.4' to `gcc-3.3.2'
$ nix-env --upgrade pan
<lineannotation>(no upgrades available, so nothing happens)</lineannotation>