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| author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2014-10-03T16·47+0200 |
|---|---|---|
| committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2014-10-03T19·29+0200 |
| commit | 104e55bb7f593b1ac3c54ffda48a9d72af7fbe6b (patch) | |
| tree | 92eea5af2736190ec196a4bc68c16ea5f16dff2f /doc/manual/release-notes/rl-1.8.xml | |
| parent | 3800f441e49af78b95d403014459dbb9bb646e8a (diff) | |
nix-env: Add regular expression support in selectors
So you can now do things like: $ nix-env -qa '.*zip.*' $ nix-env -qa '.*(firefox|chromium).*'
Diffstat (limited to 'doc/manual/release-notes/rl-1.8.xml')
| -rw-r--r-- | doc/manual/release-notes/rl-1.8.xml | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/manual/release-notes/rl-1.8.xml b/doc/manual/release-notes/rl-1.8.xml index de6f891ffbda..0e6150ccf5c7 100644 --- a/doc/manual/release-notes/rl-1.8.xml +++ b/doc/manual/release-notes/rl-1.8.xml @@ -8,6 +8,16 @@ <itemizedlist> + <listitem><para><command>nix-env</command> selectors are now regular + expressions. For instance, you can do + +<screen> +$ nix-env -qa '.*zip.*' +</screen> + + to query all packages with a name containing + <literal>zip</literal>.</para></listitem> + <listitem><para>Derivations can specify the new special attribute <varname>allowedRequisites</varname>, which has a similar meaning to <varname>allowedReferences</varname>. But instead of only enforcing |