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-rw-r--r--doc/manual.cli162
1 files changed, 118 insertions, 44 deletions
diff --git a/doc/manual.cli b/doc/manual.cli
index 7d550ee..d524da0 100644
--- a/doc/manual.cli
+++ b/doc/manual.cli
@@ -700,60 +700,134 @@ The short description of the package.
license: <licenses> [; <comment>]
<licenses> = <license> [, <license>]*
+<license> = [<scheme>:] <name>
+<scheme> = other
\
-The package license. The format is a comma-separated list of case-insensitive
-license names under which this package is distributed. This list has the
-\i{AND} semantics, that is, the user must comply with all the licenses
-listed. To capture alternative licensing options use multiple \c{license}
-values, for example:
+The package license. The default license name scheme is
+\l{https://spdx.org/licenses/ SPDX License Expression}. In its simplest form,
+it is just an ID of the license under which this package is distributed. An
+optional comment normally gives the full name of the license, for example:
\
-license: LGPLv2.1, MIT
-license: BSD3
+license: MPL-2.0 ; Mozilla Public License 2.0
\
-In the above example, the package can be used either under the BSD3 license or
-both LGPLv2.1 and MIT.
+The following table lists the most commonly used free/open source software
+licenses and their SPDX license IDs:
-For complex licensing schemes it is recommended to add comments as an aid to
-the user, for example:
+\
+MIT ; MIT License.
+
+BSD-2-Clause ; BSD 2-Clause \"Simplified\" License
+BSD-3-Clause ; BSD 3-Clause \"New\" or \"Revised\" License
+BSD-4-Clause ; BSD 4-Clause \"Original\" or \"Old\" License
+
+GPL-2.0-only ; GNU General Public License v2.0 only
+GPL-2.0-or-later ; GNU General Public License v2.0 or later
+GPL-3.0-only ; GNU General Public License v3.0 only
+GPL-3.0-or-later ; GNU General Public License v3.0 or later
+
+LGPL-2.0-only ; GNU Library General Public License v2 only
+LGPL-2.0-or-later ; GNU Library General Public License v2 or later
+LGPL-2.1-only ; GNU Lesser General Public License v2.1 only
+LGPL-2.1-or-later ; GNU Lesser General Public License v2.1 or later
+LGPL-3.0-only ; GNU Lesser General Public License v3.0 only
+LGPL-3.0-or-later ; GNU Lesser General Public License v3.0 or later
+
+AGPL-3.0-only ; GNU Affero General Public License v3.0 only
+AGPL-3.0-or-later ; GNU Affero General Public License v3.0 or later
+
+Apache-1.0 ; Apache License 1.0
+Apache-1.1 ; Apache License 1.1
+Apache-2.0 ; Apache License 2.0
+
+MPL-1.0 ; Mozilla Public License 1.0
+MPL-1.1 ; Mozilla Public License 1.1
+MPL-2.0 ; Mozilla Public License 2.0
+
+BSL-1.0 ; Boost Software License 1.0
+
+Unlicense ; The Unlicense (public domain)
+\
+
+If the package is licensed under multiple licenses, then an SPDX license
+expression can used to specify this, for example:
+
+\
+license: Apache-2.0 OR MIT
+license: MIT AND BSD-2-Clause
+\
+
+A custom license or extra conditions can be expressed either using the license
+reference mechanism of the SPDX license expression or using the \c{other}
+scheme (described below). For example:
+
+\
+license: LicenseRef-My-MIT-Like; Custom MIT-alike license
+license: other: MIT with extra attribution requirements
+\
+
+The \c{other} license name scheme can be used to specify licenses that are not
+defined by SPDX. The license names in this scheme are free form with
+case-insensitive comparison. The following names in this scheme have
+predefined meaning:
+
+\
+other: public domain ; Released into the public domain
+other: available source ; Not free/open source with public source code
+other: proprietary ; Not free/open source
+other: TODO ; License is not yet decided
+\
+
+\N|For new projects \l{https://unlicense.org The Unlicense} disclaimer with
+the \c{Unlicense} SPDX ID is recommended over \c{other: public domain}.|
+
+To support combining license names that use different schemes, the \c{license}
+manifest value can contain a comma-separated list of license names. This list
+has the \i{AND} semantics, that is, the user must comply with all the licenses
+listed. To capture alternative licensing options (the \i{OR} semantics),
+multiple \c{license} manifest values are used, for example:
\
-license: LGPLv2.1, MIT ; If linking with GNU TLS.
-license: BSD3 ; If linking with OpenSSL.
+license: GPL-2.0-only, other: available source
+license: other: proprietary
\
-To assist automated processing, the following pre-defined names should be
-used for the common licenses:
+For complex licensing situations it is recommended to add comments as an aid
+to the user, for example:
\
-MIT ; MIT License.
-BSD2 ; Simplified 2-clause BSD License.
-BSD3 ; New 3-clause BSD License.
-BSD4 ; Original 4-clause BSD License.
-GPLv2 ; GNU General Public License v2.0.
-GPLv3 ; GNU General Public License v3.0.
-LGPLv2 ; GNU Lesser General Public License v2.0.
-LGPLv2.1 ; GNU Lesser General Public License v2.1.
-LGPLv3 ; GNU Lesser General Public License v3.0.
-AGPLv2 ; Affero General Public License v2.0.
-AGPLv3 ; GNU Affero General Public License v3.0.
-ASLv1 ; Apache License v1.0.
-ASLv1.1 ; Apache License v1.1.
-ASLv2 ; Apache License v2.0.
-MPLv2 ; Mozilla Public License v2.0.
+license: LGPL-2.1-only AND MIT ; If linking with GNU TLS.
+license: BSD-3-Clause ; If linking with OpenSSL.
+\
+
+\N|For backwards compatibility with existing packages, the following
+(deprecated) scheme-less values on the left are recognized as aliases for the
+new values on the right:
-public domain
-available source ; Not free software/open source.
-proprietary
-TODO ; License is not yet decided.
\
+BSD2 BSD-2-Clause
+BSD3 BSD-3-Clause
+BSD4 BSD-4-Clause
+GPLv2 GPL-2.0-only
+GPLv3 GPL-3.0-only
+LGPLv2 LGPL-2.0-only
+LGPLv2.1 LGPL-2.1-only
+LGPLv3 LGPL-3.0-only
+AGPLv3 AGPL-3.0-only
+ASLv1 Apache-1.0
+ASLv1.1 Apache-1.1
+ASLv2 Apache-2.0
+MPLv2 MPL-2.0
-Note that just \c{BSD} is ambiguous and should be avoided.
+public domain other: public domain
+available source other: available source
+proprietary other: proprietary
+TODO other: TODO
+\
-\N|An example of automated processing would be filtering for non-copyleft
-licensed packages.|
+|
\h2#manifest-package-topics|\c{topics}|
@@ -959,8 +1033,8 @@ build error notifications are sent to this email.
\
[depends]: [?][*] <alternatives> [; <comment>]
-<alternatives> := <dependency> [ '|' <dependency>]*
-<dependency> := <name> [<version-constraint>]
+<alternatives> = <dependency> [ '|' <dependency>]*
+<dependency> = <name> [<version-constraint>]
\
The prerequisite packages. If the \c{depends} value start with \c{*}, then
@@ -1096,8 +1170,8 @@ are treated the same):
\
[requires]: [?] [<alternatives>] [; <comment>]
-<alternatives> := <requirement> [ '|' <requirement>]*
-<requirement> := <id> | <dependency>
+<alternatives> = <requirement> [ '|' <requirement>]*
+<requirement> = <id> | <dependency>
\
The package requirements (other than other packages). Such requirements are
@@ -1203,9 +1277,9 @@ builds: -windows
\
[builds]: [<class-uset> ':' ] [<class-expr>] [; <comment>]
-<class-uset> := <class-name> [ <class-name>]*
-<class-expr> := <class-term> [ <class-term>]*
-<class-term> := ('+'|'-'|'&')['!'](<class-name> | '(' <class-expr> ')')
+<class-uset> = <class-name> [ <class-name>]*
+<class-expr> = <class-term> [ <class-term>]*
+<class-term> = ('+'|'-'|'&')['!'](<class-name> | '(' <class-expr> ')')
\
The package build configurations. They specify the build configuration classes