OGR script includes following static checks.

Some checks are limited to run only on the files that have been modified in the Gerrit pull request. A complete list of warning and error message codes can be found in [warnings-and-errors.md].

• Copyright $YEAR found in all new source files.
• Makes sure that all new files with Copyright $YEAR have an identical string in them.
• Files have a NL ending. (Skips picture, font and various container files.)
• No files have TODO in them.
• DIR/pom.xml version $version has not been released.
• Found $version in changelog.md file.
• Did not find ambiguous dates in changelog.md file.
• The version numbers in changelog.md file are in the correct order.
• $dir/pom.xml versions match in $dir/version.properties: $vp.
• No $dir/version.properties file needed.
• $dir/pom.xml versions match in $dir/setup.py: version $sp.
• $dir/pom.xml versions match in $dir/package.json: version $sp.
• No 'import ... *' found in (updated) java files.
• JSON files all have valid JSON in them.
• YAML (.yaml and .yml) files all have valid YAML in them.
• Found a ChangeLog.md file in the updated files.
• Found Issue-ID: in the git log commit: $ISSUEID.
• Found Issue-ID: $issueid in the changed ChangeLog.md files.
• Do various tests on the files under the releases directory.
• Look for leading tabs for java and python code.
• Verify that a top-level LICENSE.txt file exists.
• Verify that LICENSE files contain a reference to Apache 2.0 license.
• For copyright files, make sure that there is also LICENSE_START and LICENSE_END lines.
• For copyright files, make sure that there is no separator (e.g. ====) line between copyright lines