This is an Open Build Service source service. It supports to extract a file from an archive, for example a spec file maintained inside of the tarball.
This is the git repository for openSUSE:Tools/obs-service-extract_file. The authoritative source is https://github.com/openSUSE/obs-service-extract_file
The service can be used in combination with other services like download_files, tar_scm, recompress or set_version e.g. within the GIT integration workflow.