diff options
Diffstat (limited to 'doc/manual')
| -rw-r--r-- | doc/manual/nix-env.xml | 79 |
1 files changed, 69 insertions, 10 deletions
diff --git a/doc/manual/nix-env.xml b/doc/manual/nix-env.xml index eb34185cf6d1..6fb894e2be5f 100644 --- a/doc/manual/nix-env.xml +++ b/doc/manual/nix-env.xml @@ -534,10 +534,14 @@ $ nix-env -e '*' <lineannotation>(remove everything)</lineannotation></screen> <arg choice='plain'><option>-a</option></arg> </group> <group choice='req'> - <arg choice='plain'><option>--name</option></arg> - <arg choice='plain'><option>--expr</option></arg> <arg choice='plain'><option>--status</option></arg> <arg choice='plain'><option>-s</option></arg> + <arg choice='plain'><option>--no-name</option></arg> + <arg choice='plain'><option>--compare-versions</option></arg> + <arg choice='plain'><option>-c</option></arg> + <arg choice='plain'><option>--system</option></arg> + <arg choice='plain'><option>--drv-path</option></arg> + <arg choice='plain'><option>--out-path</option></arg> </group> </cmdsynopsis> @@ -625,6 +629,51 @@ user environment elements, etc. --> </varlistentry> + <varlistentry><term><option>--compare-versions</option> / + <option>-c</option></term> + + <listitem><para>Compare installed versions to available versions, + or vice versa (if <option>--available</option> is given). This is + useful for quickly seeing whether upgrades for installed + components are available in a Nix expression. A column is added + with the following meaning: + + <variablelist> + + <varlistentry><term><literal><</literal> <replaceable>version</replaceable></term> + + <listitem><para>A newer version of the component is available + or installed.</para></listitem> + + </varlistentry> + + <varlistentry><term><literal>=</literal> <replaceable>version</replaceable></term> + + <listitem><para>At most the same version of the component is + available or installed.</para></listitem> + + </varlistentry> + + <varlistentry><term><literal>></literal> <replaceable>version</replaceable></term> + + <listitem><para>Only older versions of the component are + available or installed.</para></listitem> + + </varlistentry> + + <varlistentry><term><literal>- ?</literal></term> + + <listitem><para>No version of the component is available or + installed.</para></listitem> + + </varlistentry> + + </variablelist> + + </para></listitem> + + </varlistentry> + <varlistentry><term><option>--system</option></term> <listitem><para>Print the <literal>system</literal> attribute of @@ -655,27 +704,37 @@ user environment elements, etc. --> <screen> $ nix-env -q <lineannotation>(show installed derivations)</lineannotation> -MozillaFirebird-0.7 bison-1.875c docbook-xml-4.2 +firefox-1.0.4 +MPlayer-1.0pre7 +ORBit2-2.8.3 ... $ nix-env -qa <lineannotation>(show available derivations)</lineannotation> +firefox-1.0.7 GConf-2.4.0.1 -MPlayer-1.0pre3 -MozillaFirebird-0.7 +MPlayer-1.0pre7 ORBit2-2.8.3 ... $ nix-env -qas <lineannotation>(show status of available derivations)</lineannotation> --P- GConf-2.4.0.1 <lineannotation>(not installed but present)</lineannotation> ---S MPlayer-1.0pre3 <lineannotation>(not present, but there is a substitute for fast installation)</lineannotation> ---S MozillaFirebird-0.7 <lineannotation>(i.e., this is not the installed Firebird, even though the version is the same!)</lineannotation> -IP- bison-1.875c <lineannotation>(installed and by definition present)</lineannotation> +-P- firefox-1.0.7 <lineannotation>(not installed but present)</lineannotation> +--S GConf-2.4.0.1 <lineannotation>(not present, but there is a substitute for fast installation)</lineannotation> +--S MPlayer-1.0pre3 <lineannotation>(i.e., this is not the installed MPlayer, even though the version is the same!)</lineannotation> +IP- ORBit2-2.8.3 <lineannotation>(installed and by definition present)</lineannotation> ... $ nix-env -f ./foo.nix -qa <lineannotation>(show available derivations in the Nix expression <filename>foo.nix</filename>)</lineannotation> -foo-1.2.3</screen> +foo-1.2.3 + +$ nix-env -qc <lineannotation>(compare installed versions to what’s available)</lineannotation> +<replaceable>...</replaceable> +acrobat-reader-7.0 - ? <lineannotation>(package is not available at all)</lineannotation> +autoconf-2.59 = 2.59 <lineannotation>(same version)</lineannotation> +firefox-1.0.4 < 1.0.7 <lineannotation>(a more recent version is available)</lineannotation> +<replaceable>...</replaceable> +</screen> </refsection> |