* Manual.

This commit is contained in:
Eelco Dolstra 2006-10-02 09:01:36 +00:00
parent 88d422567e
commit 91a01e6fcf

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@ -55,7 +55,23 @@ bzip2-1.0.2
...</screen>
where <literal>nixpkgs-<replaceable>version</replaceable></literal> is
where youve unpacked the release.</para>
where youve unpacked the release. The flag <option>-q</option>
specifies a query operation; <option>-a</option> means that you want
to show the “available” (i.e., installable) packages, as opposed to
the installed packages; and <option>-f</option>
<filename>nixpkgs-<replaceable>version</replaceable></filename>
specifies the source of the packages. The argument
<literal>'*'</literal> shows all installable packages. (The quotes are
necessary to prevent shell expansion.) You can also select specific
packages by name:
<screen>
$ nix-env -qaf nixpkgs-<replaceable>version</replaceable> gcc
gcc-3.4.6
gcc-4.0.3
gcc-4.1.1</screen>
</para>
<para>It is also possible to see the <emphasis>status</emphasis> of
available components, i.e., whether they are installed into the user