This project offers a CLI interface to checking the availability of source artifacts on Maven Central.
$ mvn clean verify $ java -jar target/org.apache.sling.tooling.maven-sources-report-aggregator-*-jar-with-dependencies.jar org.apache*
The runnable jar takes a single argument, which is the groupId to match artifacts against. It is valid to add a trailing star, which signals a prefix match.
The initial run may be slow, as the project downloads and imports the Maven Central index using the Maven Indexer.
After running, the report is placed in out/results.csv.