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nix-env: Add regular expression support in selectors

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So you can now do things like:

  $ nix-env -qa '.*zip.*'
  $ nix-env -qa '.*(firefox|chromium).*'
This commit is contained in:
Eelco Dolstra 2014-10-03 18:47:16 +02:00
parent 3800f441e4
commit 104e55bb7f
5 changed files with 165 additions and 23 deletions
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10
doc/manual/release-notes/rl-1.8.xml
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@ -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