-  git_describe(-Version, +Options) is semidet
- Describe the running version based on GIT tags and hashes.
Options:
- match(+Pattern)
- Only use tags that match Pattern (a Unix glob-pattern; e.g.
V*)
- directory(Dir)
- Provide the version-info for a directory that is part of
a GIT-repository.
- commit(+Commit)
- Describe Commit rather than HEAD
 
- See also
- - git describe