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* In --upgrade': added flags --lt', --leq', --always' to specify

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whether we want to upgrade if the current version is less than the
  available version (default), when it is less or equal, or always.
  
* Added a flag `--dry-run' to show what would happen in `--install',
  `--uninstall', and `--upgrade', without actually performing the
  operation.
This commit is contained in:
Eelco Dolstra 2004-02-09 11:59:39 +00:00
parent 06a75a7e0c
commit 618aa69b01
4 changed files with 81 additions and 24 deletions
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10
src/nix-env/help.txt
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@ -22,6 +22,16 @@ name `*' may be used to indicate all derivations.
--version: output version information
--help: display help
Install / upgrade / uninstall flags:
--dry-run: show what would be done, but don't do it
Upgrade flags:
--lt: upgrade unless the current version is older (default)
--leq: upgrade unless the current version is older or current
--always: upgrade regardless of current version
Query types:
--name: print derivation names (default)