request: git-scan tag and git-scan tag --from_manifest=path/to/manifest.(yml|json|txt)

[hesco]

This is a feature request:

I would like to be able to run git-scan tag and get a report of the git describe --tags output for each repo in the path. I would like to be able to run git-scan tag --format=yml > manifest.yml (or json or txt) and get that output formatted for a manifest file which would capture the versions of a collection of repositories at a path which represent code which works well together.

I would like to run git-scan tag --from_manifest=path/to/manifest.yml and have git-scan read the manifest and use the data contained within to then run git checkout <tag> for each repository in the path, and to warn me in I encounter any missing repositories.

My use case involves being able to successfully reproduce working builds.