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<tr class="field"><th class="field-name">GLEP:</th><td class="field-body">23</td>
</tr>
<tr class="field"><th class="field-name">Title:</th><td class="field-body">Portage handling of ACCEPT_LICENSE</td>
</tr>
<tr class="field"><th class="field-name">Version:</th><td class="field-body">1.2</td>
</tr>
<tr class="field"><th class="field-name">Last-Modified:</th><td class="field-body"><a class="reference" href="http://www.gentoo.org/cgi-bin/viewcvs/xml/htdocs/proj/en/glep/glep-0023.txt?cvsroot=gentoo">2004/03/11 02:35:40</a></td>
</tr>
<tr class="field"><th class="field-name">Author:</th><td class="field-body">Jason Stubbs &lt;jstubbs&#32;&#97;t&#32;gentoo.org&gt;,</td>
</tr>
<tr class="field"><th class="field-name">Status:</th><td class="field-body">Accepted</td>
</tr>
<tr class="field"><th class="field-name">Type:</th><td class="field-body">Standards Track</td>
</tr>
<tr class="field"><th class="field-name">Content-Type:</th><td class="field-body"><a class="reference" href="glep-0012.html">text/x-rst</a></td>
</tr>
<tr class="field"><th class="field-name">Created:</th><td class="field-body">9-Mar-2004</td>
</tr>
<tr class="field"><th class="field-name">Post-History:</th><td class="field-body">8-Mar-2004 10-Mar-2004 25-Oct-2004</td>
</tr>
</tbody>
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<div class="contents topic" id="contents">
<p class="topic-title first"><a name="contents">Contents</a></p>
<ul class="simple">
<li><a class="reference" href="#abstract" id="id5" name="id5">Abstract</a></li>
<li><a class="reference" href="#status-update" id="id6" name="id6">Status Update</a></li>
<li><a class="reference" href="#motivation" id="id7" name="id7">Motivation</a></li>
<li><a class="reference" href="#specification" id="id8" name="id8">Specification</a><ul>
<li><a class="reference" href="#ebuild-license-variable" id="id9" name="id9">Ebuild LICENSE Variable</a></li>
<li><a class="reference" href="#license-groups" id="id10" name="id10">License Groups</a></li>
<li><a class="reference" href="#accept-license" id="id11" name="id11">ACCEPT_LICENSE</a></li>
<li><a class="reference" href="#emerge-behaviour" id="id12" name="id12">Emerge Behaviour</a></li>
</ul>
</li>
<li><a class="reference" href="#rationale" id="id13" name="id13">Rationale</a></li>
<li><a class="reference" href="#reference-implementation" id="id14" name="id14">Reference Implementation</a></li>
<li><a class="reference" href="#backwards-compatibility" id="id15" name="id15">Backwards Compatibility</a></li>
<li><a class="reference" href="#references" id="id16" name="id16">References</a></li>
<li><a class="reference" href="#copyright" id="id17" name="id17">Copyright</a></li>
</ul>
</div>
<div class="section" id="abstract">
<h1><a class="toc-backref" href="#id5" name="abstract">Abstract</a></h1>
<p>Currently, every ebuild in the portage tree is required to have a valid 
LICENSE entry.  However, the syntax of this entry is not officially 
defined and the entry itself is only used when outputting package 
details.</p>
</div>
<div class="section" id="status-update">
<h1><a class="toc-backref" href="#id6" name="status-update">Status Update</a></h1>
<p>Repoman has been updated to check for the LICENSE syntax.</p>
</div>
<div class="section" id="motivation">
<h1><a class="toc-backref" href="#id7" name="motivation">Motivation</a></h1>
<p>Many users wish to regulate the software they install with regards to 
licenses for various reasons <a class="footnote-reference" href="#id3" id="id1" name="id1">[1]</a>.  Some want a system free of any 
software that is not OSI-approved; others are simply curious as to what 
licenses they are implicitly accepting.</p>
<p>Furthermore, some software requires that a user interactively accept its 
license for its author's to consider it legally binding.  This is 
currently implemented using <tt class="literal"><span class="pre">eutils.eclass</span></tt>.</p>
</div>
<div class="section" id="specification">
<h1><a class="toc-backref" href="#id8" name="specification">Specification</a></h1>
<div class="section" id="ebuild-license-variable">
<h2><a class="toc-backref" href="#id9" name="ebuild-license-variable">Ebuild LICENSE Variable</a></h2>
<p>Most ebuilds are for software which is released under a single license.  
In these cases, the current LICENSE variable can remain as is.  For 
example:</p>
<pre class="literal-block">
LICENSE=&quot;single-license&quot;
</pre>
<p>However, there are several ebuilds for software which is released under 
several licenses, of which the user must accept one, some or all <a class="footnote-reference" href="#id4" id="id2" name="id2">[2]</a>.  
To complicate this, some ebuilds include optional components which fall 
under a different license.</p>
<p>To accomodate these cases, LICENSE syntax should accomodate all 
functionality offered by a DEPEND string.  To keep things simple, this 
GLEP proposes that the syntax be identical.  For example:</p>
<pre class="literal-block">
LICENSE=&quot;mandatory-license
    || ( choosable-licence1 chooseable-license-2 )
    useflag? ( optional-component-license )&quot;
</pre>
</div>
<div class="section" id="license-groups">
<h2><a class="toc-backref" href="#id10" name="license-groups">License Groups</a></h2>
<p>Almost all users are willing to install any software that is 
FSF-approved.  Other users are willing to install any software and 
implicitly accept its license.  To this end, portage will also need to 
handle grouping of licenses.</p>
<p>At a minimum, there needs to be the groups <tt class="literal"><span class="pre">GPL-COMPATIBLE</span></tt>, 
<tt class="literal"><span class="pre">FSF-APPROVED</span></tt>, <tt class="literal"><span class="pre">OSI-APPROVED</span></tt> and <tt class="literal"><span class="pre">NON-INTERACTIVE</span></tt>.  
<tt class="literal"><span class="pre">NON-INTERACTIVE</span></tt> licenses are those that don't require interactive 
acceptance for to be considered legally binding.  This is the current 
behaviour of portage.</p>
</div>
<div class="section" id="accept-license">
<h2><a class="toc-backref" href="#id11" name="accept-license">ACCEPT_LICENSE</a></h2>
<p>This GLEP proposes that a user be able to explicitly accept or decline 
licenses by editing a new variable <tt class="literal"><span class="pre">ACCEPT_LICENSE</span></tt> in 
<tt class="literal"><span class="pre">/etc/make.conf</span></tt>.  Again, to keep things simple, the syntax should be 
similar to that of other incrementals.  For example:</p>
<pre class="literal-block">
ACCEPT_LICENSE=&quot;-* accepted-license -declined-license&quot;
</pre>
<p>As an extension, <tt class="literal"><span class="pre">ACCEPT_LICENSE</span></tt> must also support <a class="reference" href="#license-groups">license groups</a>.  
This GLEP proposes that the license group be prepended by the special 
character &quot;<tt class="literal"><span class="pre">&#64;</span></tt>&quot;.  For example:</p>
<pre class="literal-block">
ACCEPT_LICENSE=&quot;-* &#64;FSF-APPROVED&quot;
</pre>
</div>
<div class="section" id="emerge-behaviour">
<h2><a class="toc-backref" href="#id12" name="emerge-behaviour">Emerge Behaviour</a></h2>
<p>At a minimum, emerge must handle unaccepted licenses the same way that 
it handles blockers.  That is, with the --pretend flag the 
not-yet-accepted license should be listed in the output.  Without the 
--pretend flag, emerge should stop before any software is installed.</p>
<p>This GLEP proposes that, unlike blockers, dependencies for software 
should be checked regardless of license acceptance.  Doing so will allow 
the user to review all necessary licenses before initiating an actual 
emerge.</p>
<p>It is also proposed that the --ask option will display an unaccepted 
license and ask for acceptance, but not update any configuration files 
at this stage.  Finally, the --verbose option should also list the 
licenses accepted for each package.</p>
</div>
</div>
<div class="section" id="rationale">
<h1><a class="toc-backref" href="#id13" name="rationale">Rationale</a></h1>
<p>An implementation of this proposal should make it easy for users wishing 
to regulate their software without affecting those that don't.</p>
</div>
<div class="section" id="reference-implementation">
<h1><a class="toc-backref" href="#id14" name="reference-implementation">Reference Implementation</a></h1>
<p>TODO</p>
</div>
<div class="section" id="backwards-compatibility">
<h1><a class="toc-backref" href="#id15" name="backwards-compatibility">Backwards Compatibility</a></h1>
<p>There should be no change to the user experience without the user 
explicitly choosing to do so.  This mandates that the 
configuration variable be named <tt class="literal"><span class="pre">ACCEPT_LICENSE</span></tt> as some users may 
already have it set due to ebuilds using <tt class="literal"><span class="pre">eutil.eclass</span></tt>'s 
implementation.  It also mandates that the default <tt class="literal"><span class="pre">ACCEPT_LICENSE</span></tt> be 
set to <tt class="literal"><span class="pre">&#64;NON-INTERACTIVE</span></tt>.</p>
</div>
<div class="section" id="references">
<h1><a class="toc-backref" href="#id16" name="references">References</a></h1>
<table class="footnote" frame="void" id="id3" rules="none">
<colgroup><col class="label" /><col /></colgroup>
<tbody valign="top">
<tr><td class="label"><a class="fn-backref" href="#id1" name="id3">[1]</a></td><td>Gentoo Linux Bug 17367
(<a class="reference" href="http://bugs.gentoo.org/show_bug.cgi?id=17367">http://bugs.gentoo.org/show_bug.cgi?id=17367</a>)</td></tr>
</tbody>
</table>
<table class="footnote" frame="void" id="id4" rules="none">
<colgroup><col class="label" /><col /></colgroup>
<tbody valign="top">
<tr><td class="label"><a class="fn-backref" href="#id2" name="id4">[2]</a></td><td>Gentoo Linux Bug 34146 
(<a class="reference" href="http://bugs.gentoo.org/show_bug.cgi?id=34146">http://bugs.gentoo.org/show_bug.cgi?id=34146</a>)</td></tr>
</tbody>
</table>
</div>
<div class="section" id="copyright">
<h1><a class="toc-backref" href="#id17" name="copyright">Copyright</a></h1>
<p>This document has been placed in the public domain.</p>
</div>
</div>

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27	<div class="document">
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29	<col class="field-name" />
30	<col class="field-body" />
31	<tbody valign="top">
32	<tr class="field"><th class="field-name">GLEP:</th><td class="field-body">23</td>
33	</tr>
34	<tr class="field"><th class="field-name">Title:</th><td class="field-body">Portage handling of ACCEPT_LICENSE</td>
35	</tr>
36	<tr class="field"><th class="field-name">Version:</th><td class="field-body">1.2</td>
37	</tr>
38	<tr class="field"><th class="field-name">Last-Modified:</th><td class="field-body"><a class="reference" href="http://www.gentoo.org/cgi-bin/viewcvs/xml/htdocs/proj/en/glep/glep-0023.txt?cvsroot=gentoo">2004/03/11 02:35:40</a></td>
39	</tr>
40	<tr class="field"><th class="field-name">Author:</th><td class="field-body">Jason Stubbs <jstubbs at gentoo.org>,</td>
41	</tr>
42	<tr class="field"><th class="field-name">Status:</th><td class="field-body">Accepted</td>
43	</tr>
44	<tr class="field"><th class="field-name">Type:</th><td class="field-body">Standards Track</td>
45	</tr>
46	<tr class="field"><th class="field-name">Content-Type:</th><td class="field-body"><a class="reference" href="glep-0012.html">text/x-rst</a></td>
47	</tr>
48	<tr class="field"><th class="field-name">Created:</th><td class="field-body">9-Mar-2004</td>
49	</tr>
50	<tr class="field"><th class="field-name">Post-History:</th><td class="field-body">8-Mar-2004 10-Mar-2004 25-Oct-2004</td>
51	</tr>
52	</tbody>
53	</table>
54	<hr />
55	<div class="contents topic" id="contents">
56	<p class="topic-title first"><a name="contents">Contents</a></p>
57	<ul class="simple">
58	<li><a class="reference" href="#abstract" id="id5" name="id5">Abstract</a></li>
59	<li><a class="reference" href="#status-update" id="id6" name="id6">Status Update</a></li>
60	<li><a class="reference" href="#motivation" id="id7" name="id7">Motivation</a></li>
61	<li><a class="reference" href="#specification" id="id8" name="id8">Specification</a><ul>
62	<li><a class="reference" href="#ebuild-license-variable" id="id9" name="id9">Ebuild LICENSE Variable</a></li>
63	<li><a class="reference" href="#license-groups" id="id10" name="id10">License Groups</a></li>
64	<li><a class="reference" href="#accept-license" id="id11" name="id11">ACCEPT_LICENSE</a></li>
65	<li><a class="reference" href="#emerge-behaviour" id="id12" name="id12">Emerge Behaviour</a></li>
66	</ul>
67	</li>
68	<li><a class="reference" href="#rationale" id="id13" name="id13">Rationale</a></li>
69	<li><a class="reference" href="#reference-implementation" id="id14" name="id14">Reference Implementation</a></li>
70	<li><a class="reference" href="#backwards-compatibility" id="id15" name="id15">Backwards Compatibility</a></li>
71	<li><a class="reference" href="#references" id="id16" name="id16">References</a></li>
72	<li><a class="reference" href="#copyright" id="id17" name="id17">Copyright</a></li>
73	</ul>
74	</div>
75	<div class="section" id="abstract">
76	<h1><a class="toc-backref" href="#id5" name="abstract">Abstract</a></h1>
77	<p>Currently, every ebuild in the portage tree is required to have a valid
78	LICENSE entry. However, the syntax of this entry is not officially
79	defined and the entry itself is only used when outputting package
80	details.</p>
81	</div>
82	<div class="section" id="status-update">
83	<h1><a class="toc-backref" href="#id6" name="status-update">Status Update</a></h1>
84	<p>Repoman has been updated to check for the LICENSE syntax.</p>
85	</div>
86	<div class="section" id="motivation">
87	<h1><a class="toc-backref" href="#id7" name="motivation">Motivation</a></h1>
88	<p>Many users wish to regulate the software they install with regards to
89	licenses for various reasons <a class="footnote-reference" href="#id3" id="id1" name="id1">[1]</a>. Some want a system free of any
90	software that is not OSI-approved; others are simply curious as to what
91	licenses they are implicitly accepting.</p>
92	<p>Furthermore, some software requires that a user interactively accept its
93	license for its author's to consider it legally binding. This is
94	currently implemented using <tt class="literal"><span class="pre">eutils.eclass</span></tt>.</p>
95	</div>
96	<div class="section" id="specification">
97	<h1><a class="toc-backref" href="#id8" name="specification">Specification</a></h1>
98	<div class="section" id="ebuild-license-variable">
99	<h2><a class="toc-backref" href="#id9" name="ebuild-license-variable">Ebuild LICENSE Variable</a></h2>
100	<p>Most ebuilds are for software which is released under a single license.
101	In these cases, the current LICENSE variable can remain as is. For
102	example:</p>
103	<pre class="literal-block">
104	LICENSE="single-license"
105	</pre>
106	<p>However, there are several ebuilds for software which is released under
107	several licenses, of which the user must accept one, some or all <a class="footnote-reference" href="#id4" id="id2" name="id2">[2]</a>.
108	To complicate this, some ebuilds include optional components which fall
109	under a different license.</p>
110	<p>To accomodate these cases, LICENSE syntax should accomodate all
111	functionality offered by a DEPEND string. To keep things simple, this
112	GLEP proposes that the syntax be identical. For example:</p>
113	<pre class="literal-block">
114	LICENSE="mandatory-license
115	\|\| ( choosable-licence1 chooseable-license-2 )
116	useflag? ( optional-component-license )"
117	</pre>
118	</div>
119	<div class="section" id="license-groups">
120	<h2><a class="toc-backref" href="#id10" name="license-groups">License Groups</a></h2>
121	<p>Almost all users are willing to install any software that is
122	FSF-approved. Other users are willing to install any software and
123	implicitly accept its license. To this end, portage will also need to
124	handle grouping of licenses.</p>
125	<p>At a minimum, there needs to be the groups <tt class="literal"><span class="pre">GPL-COMPATIBLE</span></tt>,
126	<tt class="literal"><span class="pre">FSF-APPROVED</span></tt>, <tt class="literal"><span class="pre">OSI-APPROVED</span></tt> and <tt class="literal"><span class="pre">NON-INTERACTIVE</span></tt>.
127	<tt class="literal"><span class="pre">NON-INTERACTIVE</span></tt> licenses are those that don't require interactive
128	acceptance for to be considered legally binding. This is the current
129	behaviour of portage.</p>
130	</div>
131	<div class="section" id="accept-license">
132	<h2><a class="toc-backref" href="#id11" name="accept-license">ACCEPT_LICENSE</a></h2>
133	<p>This GLEP proposes that a user be able to explicitly accept or decline
134	licenses by editing a new variable <tt class="literal"><span class="pre">ACCEPT_LICENSE</span></tt> in
135	<tt class="literal"><span class="pre">/etc/make.conf</span></tt>. Again, to keep things simple, the syntax should be
136	similar to that of other incrementals. For example:</p>
137	<pre class="literal-block">
138	ACCEPT_LICENSE="-* accepted-license -declined-license"
139	</pre>
140	<p>As an extension, <tt class="literal"><span class="pre">ACCEPT_LICENSE</span></tt> must also support <a class="reference" href="#license-groups">license groups</a>.
141	This GLEP proposes that the license group be prepended by the special
142	character "<tt class="literal"><span class="pre">@</span></tt>". For example:</p>
143	<pre class="literal-block">
144	ACCEPT_LICENSE="-* @FSF-APPROVED"
145	</pre>
146	</div>
147	<div class="section" id="emerge-behaviour">
148	<h2><a class="toc-backref" href="#id12" name="emerge-behaviour">Emerge Behaviour</a></h2>
149	<p>At a minimum, emerge must handle unaccepted licenses the same way that
150	it handles blockers. That is, with the --pretend flag the
151	not-yet-accepted license should be listed in the output. Without the
152	--pretend flag, emerge should stop before any software is installed.</p>
153	<p>This GLEP proposes that, unlike blockers, dependencies for software
154	should be checked regardless of license acceptance. Doing so will allow
155	the user to review all necessary licenses before initiating an actual
156	emerge.</p>
157	<p>It is also proposed that the --ask option will display an unaccepted
158	license and ask for acceptance, but not update any configuration files
159	at this stage. Finally, the --verbose option should also list the
160	licenses accepted for each package.</p>
161	</div>
162	</div>
163	<div class="section" id="rationale">
164	<h1><a class="toc-backref" href="#id13" name="rationale">Rationale</a></h1>
165	<p>An implementation of this proposal should make it easy for users wishing
166	to regulate their software without affecting those that don't.</p>
167	</div>
168	<div class="section" id="reference-implementation">
169	<h1><a class="toc-backref" href="#id14" name="reference-implementation">Reference Implementation</a></h1>
170	<p>TODO</p>
171	</div>
172	<div class="section" id="backwards-compatibility">
173	<h1><a class="toc-backref" href="#id15" name="backwards-compatibility">Backwards Compatibility</a></h1>
174	<p>There should be no change to the user experience without the user
175	explicitly choosing to do so. This mandates that the
176	configuration variable be named <tt class="literal"><span class="pre">ACCEPT_LICENSE</span></tt> as some users may
177	already have it set due to ebuilds using <tt class="literal"><span class="pre">eutil.eclass</span></tt>'s
178	implementation. It also mandates that the default <tt class="literal"><span class="pre">ACCEPT_LICENSE</span></tt> be
179	set to <tt class="literal"><span class="pre">@NON-INTERACTIVE</span></tt>.</p>
180	</div>
181	<div class="section" id="references">
182	<h1><a class="toc-backref" href="#id16" name="references">References</a></h1>
183	<table class="footnote" frame="void" id="id3" rules="none">
184	<colgroup><col class="label" /><col /></colgroup>
185	<tbody valign="top">
186	<tr><td class="label"><a class="fn-backref" href="#id1" name="id3">[1]</a></td><td>Gentoo Linux Bug 17367
187	(<a class="reference" href="http://bugs.gentoo.org/show_bug.cgi?id=17367">http://bugs.gentoo.org/show_bug.cgi?id=17367</a>)</td></tr>
188	</tbody>
189	</table>
190	<table class="footnote" frame="void" id="id4" rules="none">
191	<colgroup><col class="label" /><col /></colgroup>
192	<tbody valign="top">
193	<tr><td class="label"><a class="fn-backref" href="#id2" name="id4">[2]</a></td><td>Gentoo Linux Bug 34146
194	(<a class="reference" href="http://bugs.gentoo.org/show_bug.cgi?id=34146">http://bugs.gentoo.org/show_bug.cgi?id=34146</a>)</td></tr>
195	</tbody>
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