Introduce apache-rat-plugin and add exclusions (#663)

* Introduce apache-rat-plugin

* Exclude from rat dev/experimental elements

* Add license source header

* Execute apache-rat for submodules from parent

* Document executing apache-rat

Author: Perdjesk

CONTRIBUTING.md

@@ -101,5 +101,15 @@ make several smaller commits. This is much easier to review.
 Before making a pull request, check that your source code is formatted according to the rules defined in the `codestyle.xml` file. 
 This file can typically used to [configure](https://www.jetbrains.com/help/idea/settings-code-style.html) your favourite IDE.
 You can run `mvn spotless:apply` to format your code automatically.
+
+Execute a run of Apache Rat to check for compliance with [ ASF Source Header and Copyright Notice Policy](https://www.apache.org/legal/src-headers.html). A textual report is added in `target/rat.txt`.
+```
+mvn clean && mvn apache-rat:check
+```
+Notes: 
+ - It is required to do the `clean` separately in two commands given that the parent module scan submodules files.
+ - At the moment the check is failing as project is in progress of reaching compliance, please check for newly added content in Apache Rat report.
+
 Finally, verify that your contribution passes all the tests (integration included).
-Once your everything looks good, we'll merge it.
+Once everything looks good, we'll merge it.
+

RELEASE.md

@@ -1,3 +1,14 @@
+<!--
+  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.
+  -->
 # Release instructions
 
 In order to release a new version of Apache Baremaps, follow these steps:

basemap/layers/member/prepare.sql

@@ -1,3 +1,12 @@
+-- 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.
 DROP MATERIALIZED VIEW IF EXISTS osm_member CASCADE;
 
 CREATE MATERIALIZED VIEW osm_member AS

examples/transformation/simplifications.sql

@@ -1,4 +1,12 @@
-
+-- 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.
 CREATE MATERIALIZED VIEW osm_highway_z10 AS
 SELECT id, tags, geom
 FROM (SELECT id, tags, st_simplifypreservetopology(geom, 78270 / power(2, 10)) AS geom FROM osm_highway) AS osm_highway

pom.xml

@@ -663,6 +663,23 @@
           <excludedGroups>integration</excludedGroups>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.apache.rat</groupId>
+        <artifactId>apache-rat-plugin</artifactId>
+        <version>0.15</version>
+        <configuration>
+          <!-- This allows to manage exclusions in parent module.
+               This messes some default exclusions based on basedir for submodules (e.g target folder),
+               thus requiring a "clean" content in all modules. -->
+          <excludeSubProjects>false</excludeSubProjects>
+          <excludes>
+            <!-- not included in release, development tools -->
+            <exclude>.run/</exclude>
+            <exclude>.github/</exclude>
+            <exclude>.mvn/</exclude>
+          </excludes>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.jacoco</groupId>
         <artifactId>jacoco-maven-plugin</artifactId>