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authorEelco Dolstra <e.dolstra@tudelft.nl>2003-12-21T23·58+0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2003-12-21T23·58+0000
commitf3c978384698a0b9b0f5dee41f98e6208f269347 (patch)
tree55e5f176221dd2c6f2531891ee716d692016dc30 /src/nix-env/help.txt
parenta81b621202844f58ae7202e592324f1232107810 (diff)
* Version numbers can be omitted in install/uninstall. E.g.,
    nix-env -i foo.nix subversion

  The version number part of a derivation name is defined as everything following the 
  first dash not followed by a letter.

Diffstat (limited to 'src/nix-env/help.txt')
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1 files changed, 3 insertions, 2 deletions
diff --git a/src/nix-env/help.txt b/src/nix-env/help.txt
index cebffc99daa7..d940bd209d60 100644
--- a/src/nix-env/help.txt
+++ b/src/nix-env/help.txt
@@ -4,8 +4,9 @@ nix-env [OPTIONS...] [ARGUMENTS...]
 
 Operations:
 
-  --install / -i FILE: add a derivation to the user environment
-  --uninstall / -e: remove a derivation to the user environment
+  --install / -i FILE: add derivations to the user environment
+  --uninstall / -e: remove derivations from the user environment
+  --upgrade / -u FILE: upgrade derivation in the user environment
   --query / -q: perform a query on an environment or Nix expression
 
 The previous operations take a list of derivation names.  The special