git notes is a nice innovation - well done to all those involved.
Has consideration ever been given to generalizing the concept to allow
note (or more correctly - metadata) trees with arbitrary sha1s?
For example, suppose you had reason to cache the distribution that
resulted from the build of a particular commit, then it'd be nice to
be able to do this using a notes like mechanism.
git metadata import foo-1.1.0 dist ~/foo/dist
would create a git tree from the contents of ~/foo/dist and then bind
it to meta item called dist associated with the sha1 corresponding to
foo-1.1.0
To retrieve the contents of the previous build, you'd do something like
get metadata export foo-1.1.0 dist /tmp/foo-1.1.0
This would find the metadata tree associated with foo-1.1.0, extract
the dist subtree from that tree and write it to disk at /tmp/foo-1.1.0
I've used build outputs as an example here, but really it needn't be
limited to that. I can see this facility would be useful for any kind
of annotation or derived result that is more complex than a single
text blob. Metadata trees in combination with a name spacing
technique, could be used to store arbitrary metadata created by an
arbitrary set of tools to arbitrary SHA1 objects.
jon.
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