[sync] Add LICENSE file auto-generation from composer.json (#11)

README.md

@@ -77,6 +77,9 @@ composer dev-tools skills
 # Merges and synchronizes .gitignore files
 composer dev-tools gitignore
 
+# Generates a LICENSE file from composer.json license information
+composer dev-tools license
+
 # Installs and synchronizes dev-tools scripts, GitHub Actions workflows,
 # .editorconfig, .gitignore rules, packaged skills, and the repository wiki
 # submodule in .github/wiki

docs/api/commands.rst

@@ -49,6 +49,9 @@ resolution, configuration fallback, PSR-4 lookup, and child-command dispatch.
      - ``dev-tools:sync``
      - Synchronizes consumer-facing scripts, automation assets, and packaged
        skills.
-   * - ``FastForward\DevTools\Command\GitIgnoreCommand``
-     - ``gitignore``
-     - Merges and synchronizes .gitignore files.
+    * - ``FastForward\DevTools\Command\GitIgnoreCommand``
+      - ``gitignore``
+      - Merges and synchronizes .gitignore files.
+    * - ``FastForward\DevTools\Command\CopyLicenseCommand``
+      - ``license``
+      - Generates a LICENSE file from composer.json license information.

docs/running/specialized-commands.rst

@@ -199,3 +199,22 @@ Important details:
 - duplicates are removed and entries are sorted alphabetically;
 - it uses the Reader, Merger, and Writer components from the GitIgnore
   namespace.
+
+``license``
+----------
+
+Generates a LICENSE file from composer.json license information.
+
+.. code-block:: bash
+
+   composer dev-tools license
+
+Important details:
+
+- it reads the ``license`` field from ``composer.json``;
+- it supports common open-source licenses (MIT, Apache-2.0, BSD-2-Clause,
+  BSD-3-Clause, GPL-3.0, LGPL-3.0, and MPL-2.0);
+- it resolves placeholders such as ``[year]``, ``[author]``, and
+  ``[project]`` using information from ``composer.json``;
+- it uses template files from ``resources/license-templates/``;
+- it skips generation if a LICENSE file already exists.

resources/licenses/apache-2.0.txt

@@ -0,0 +1,39 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+   2. Grant of Copyright License.
+
+   3. Grant of Patent License.
+
+   4. Redistribution.
+
+   5. Submission of Contributions.
+
+   6. Trademarks.
+
+   7. Disclaimer of Warranty.
+
+   8. Limitation of Liability.
+
+   9. Accepting Warranty or Additional Liability.
+
+   END OF TERMS AND CONDITIONS
+
+   Copyright {{ year }} {{ organization }}{{ author }}
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.

resources/licenses/bsd-2-clause.txt

@@ -0,0 +1,24 @@
+BSD 2-Clause License
+
+Copyright (c) {{ year }} {{ organization }}{{ author }}
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

resources/licenses/bsd-3-clause.txt

@@ -0,0 +1,28 @@
+BSD 3-Clause License
+
+Copyright (c) {{ year }} {{ organization }}{{ author }}
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its contributors
+   may be used to endorse or promote products derived from this software without
+   specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

resources/licenses/gpl-3.0-or-later.txt

@@ -0,0 +1,17 @@
+GNU GENERAL PUBLIC LICENSE
+Version 3, 29 June 2007
+
+Copyright (C) {{ year }} {{ organization }}{{ author }}
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.

resources/licenses/isc.txt

@@ -0,0 +1,15 @@
+ISC License
+
+Copyright (c) {{ year }} {{ organization }}{{ author }}
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

resources/licenses/lgpl-3.0-or-later.txt

@@ -0,0 +1,17 @@
+GNU LESSER GENERAL PUBLIC LICENSE
+Version 3, 29 June 2007
+
+Copyright (C) {{ year }} {{ organization }}{{ author }}
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.

resources/licenses/mit.txt

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) {{ year }} {{ organization }}{{ author }}
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.