diff options
Diffstat (limited to 'doc/manual/command-ref/nix-env.xml')
| -rw-r--r-- | doc/manual/command-ref/nix-env.xml | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/doc/manual/command-ref/nix-env.xml b/doc/manual/command-ref/nix-env.xml index eac773955..56c466268 100644 --- a/doc/manual/command-ref/nix-env.xml +++ b/doc/manual/command-ref/nix-env.xml @@ -1346,11 +1346,12 @@ $ nix-env --list-generations <para>This operation deletes the specified generations of the current profile. The generations can be a list of generation numbers, the special value <literal>old</literal> to delete all non-current -generations, or a value such as <literal>30d</literal> to delete all +generations, a value such as <literal>30d</literal> to delete all generations older than the specified number of days (except for the -generation that was active at that point in time). -Periodically deleting old generations is important to make garbage -collection effective.</para> +generation that was active at that point in time), or a value such as. +<literal>+5</literal> to only keep the specified items older than the +current generation. Periodically deleting old generations is important +to make garbage collection effective.</para> </refsection> @@ -1359,6 +1360,8 @@ collection effective.</para> <screen> $ nix-env --delete-generations 3 4 8 +$ nix-env --delete-generations +5 + $ nix-env --delete-generations 30d $ nix-env -p other_profile --delete-generations old</screen> @@ -1458,7 +1461,7 @@ error: no generation older than the current (91) exists</screen> <refsection condition="manpage"><title>Environment variables</title> <variablelist> - + <varlistentry><term><envar>NIX_PROFILE</envar></term> <listitem><para>Location of the Nix profile. Defaults to the @@ -1472,6 +1475,6 @@ error: no generation older than the current (91) exists</screen> </variablelist> </refsection> - + </refentry> |