mirror of
https://github.com/NixOS/nix.git
synced 2024-11-25 08:12:29 +00:00
* Document --delete-generations and other nix-env options.
This commit is contained in:
parent
c2b0d6b02f
commit
54c7a870d5
@ -22,6 +22,11 @@
|
|||||||
</group>
|
</group>
|
||||||
<replaceable>path</replaceable>
|
<replaceable>path</replaceable>
|
||||||
</arg>
|
</arg>
|
||||||
|
<arg><option>--preserve-installed</option></arg>
|
||||||
|
<arg>
|
||||||
|
<arg choice='plain'><option>--system-filter</option></arg>
|
||||||
|
<replaceable>system</replaceable>
|
||||||
|
</arg>
|
||||||
<arg><option>--dry-run</option></arg>
|
<arg><option>--dry-run</option></arg>
|
||||||
<arg choice='plain'><replaceable>operation</replaceable></arg>
|
<arg choice='plain'><replaceable>operation</replaceable></arg>
|
||||||
<arg rep='repeat'><replaceable>options</replaceable></arg>
|
<arg rep='repeat'><replaceable>options</replaceable></arg>
|
||||||
@ -121,6 +126,38 @@
|
|||||||
</listitem>
|
</listitem>
|
||||||
</varlistentry>
|
</varlistentry>
|
||||||
|
|
||||||
|
<varlistentry>
|
||||||
|
<term><option>--preserve-installed</option></term>
|
||||||
|
<listitem>
|
||||||
|
<para>
|
||||||
|
By default, when you install a derivation with the
|
||||||
|
<option>--install</option> operation, it will replace
|
||||||
|
previously installed versions with the same derivation
|
||||||
|
name (regardless of the version number). This option
|
||||||
|
causes those previously installed versions to be kept in
|
||||||
|
the new generation of the profile. Note that this will
|
||||||
|
generally cause conflicts in the creation of the user
|
||||||
|
environment (since multiple versions of a package
|
||||||
|
typically contain the same programs).
|
||||||
|
</para>
|
||||||
|
</listitem>
|
||||||
|
</varlistentry>
|
||||||
|
|
||||||
|
<varlistentry>
|
||||||
|
<term><option>--system-filter</option> <replaceable>system</replaceable></term>
|
||||||
|
<listitem>
|
||||||
|
<para>
|
||||||
|
By default, operations such as <option>--query
|
||||||
|
--available</option> only include derivations matching the
|
||||||
|
current platform. This option allows you to use
|
||||||
|
derivations for the specified platform
|
||||||
|
<replaceable>system</replaceable>. The special value
|
||||||
|
<literal>*</literal> causes derivations for any platform
|
||||||
|
to be included.
|
||||||
|
</para>
|
||||||
|
</listitem>
|
||||||
|
</varlistentry>
|
||||||
|
|
||||||
</variablelist>
|
</variablelist>
|
||||||
|
|
||||||
</refsection>
|
</refsection>
|
||||||
@ -719,6 +756,47 @@ $ nix-env --list-generations
|
|||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
<!--######################################################################-->
|
||||||
|
|
||||||
|
<refsection>
|
||||||
|
<title>Operation <option>--delete-generations</option></title>
|
||||||
|
|
||||||
|
<refsection>
|
||||||
|
<title>Synopsis</title>
|
||||||
|
<cmdsynopsis>
|
||||||
|
<command>nix-env</command>
|
||||||
|
<arg choice='req'><option>--delete-generations</option></arg>
|
||||||
|
<arg choice='plain' rep='repeat'><replaceable>generations</replaceable></arg>
|
||||||
|
</cmdsynopsis>
|
||||||
|
</refsection>
|
||||||
|
|
||||||
|
<refsection>
|
||||||
|
<title>Description</title>
|
||||||
|
|
||||||
|
<para>
|
||||||
|
This operation deletes the specified generations of the
|
||||||
|
current profile. The generations can be a list of generation
|
||||||
|
numbers, or the special value <literal>old</literal> to delete
|
||||||
|
all non-current generations. Periodically deleting old
|
||||||
|
generations is important to make garbage collection effective.
|
||||||
|
</para>
|
||||||
|
|
||||||
|
</refsection>
|
||||||
|
|
||||||
|
<refsection>
|
||||||
|
<title>Examples</title>
|
||||||
|
|
||||||
|
<screen>
|
||||||
|
$ nix-env --delete-generations 3 4 8
|
||||||
|
|
||||||
|
$ nix-env -p other_profile --delete-generations old</screen>
|
||||||
|
|
||||||
|
</refsection>
|
||||||
|
|
||||||
|
</refsection>
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!--######################################################################-->
|
<!--######################################################################-->
|
||||||
|
|
||||||
<refsection>
|
<refsection>
|
||||||
|
@ -16,6 +16,8 @@ name `*' may be used to indicate all derivations.
|
|||||||
--switch-generation / -G NUMBER: switch to specified generation of profile
|
--switch-generation / -G NUMBER: switch to specified generation of profile
|
||||||
--rollback: switch to the previous generation
|
--rollback: switch to the previous generation
|
||||||
--list-generations: list available generations of a profile
|
--list-generations: list available generations of a profile
|
||||||
|
--delete-generations GENERATIONS...: deleted listed generations,
|
||||||
|
`old' for all non-current generations
|
||||||
|
|
||||||
--import / -I FILE: set default Nix expression
|
--import / -I FILE: set default Nix expression
|
||||||
|
|
||||||
@ -49,3 +51,5 @@ Options:
|
|||||||
--file / -f FILE: use Nix expression FILE for installation, etc.
|
--file / -f FILE: use Nix expression FILE for installation, etc.
|
||||||
--verbose / -v: verbose operation (may be repeated)
|
--verbose / -v: verbose operation (may be repeated)
|
||||||
--keep-failed / -K: keep temporary directories of failed builds
|
--keep-failed / -K: keep temporary directories of failed builds
|
||||||
|
--preserve-installed: do not replace currently installed versions in `-i'
|
||||||
|
--system-filter SYSTEM: only use derivations for specified platform
|
||||||
|
Loading…
Reference in New Issue
Block a user