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Document the different license base cases

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Edward Tjörnhammar 2015-04-30 13:46:31 +02:00
parent da7355e562
commit c45b5aba92
1 changed files with 33 additions and 6 deletions
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39
doc/meta.xml
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@ -138,12 +138,39 @@ meta-attributes</title>
<varlistentry>
<term><varname>license</varname></term>
<listitem><para>The license for the package. One from the
attribute set defined in <link
xlink:href="https://github.com/NixOS/nixpkgs/blob/master/lib/licenses.nix">
<filename>nixpkgs/lib/licenses.nix</filename></link>. Example:
<literal>stdenv.lib.licenses.gpl3</literal>. For details, see
<xref linkend='sec-meta-license'/>.</para></listitem>
<listitem>
<para>
The license, or licenses, for the package. One from the attribute set
defined in <link
xlink:href="https://github.com/NixOS/nixpkgs/blob/master/lib/licenses.nix">
<filename>nixpkgs/lib/licenses.nix</filename></link>. At this moment
using both a list of licenses and a single license is valid. If the
license field is in the form of a list representation, then it means
that parts of the package are licensed differently. Each license
should preferably be referenced by their attribute. The non-list
attribute value can also be a space delimited string representation of
the contained attribute shortNames or spdxIds. The following are all valid
examples:
<itemizedlist>
<listitem><para>Single license referenced by attribute (preferred)
<literal>stdenv.lib.licenses.gpl3</literal>.
</para></listitem>
<listitem><para>Single license referenced by its attribute shortName (frowned upon)
<literal>"gpl3"</literal>.
</para></listitem>
<listitem><para>Single license referenced by its attribute spdxId (frowned upon)
<literal>"GPL-3.0"</literal>.
</para></listitem>
<listitem><para>Multiple licenses referenced by attribute (preferred)
<literal>with stdenv.lib.licenses; [ asl20 free ofl ]</literal>.
</para></listitem>
<listitem><para>Multiple licenses referenced as a space delimited string of attribute shortNames (frowned upon)
<literal>"asl20 free ofl"</literal>.
</para></listitem>
</itemizedlist>
For details, see <xref linkend='sec-meta-license'/>.
</para>
</listitem>
</varlistentry>
<varlistentry>