echo "dnkqslnokqe" | git hash-object --stdin -w
bca2068e9b221d47154d1e3eaebf8c9abd86951f

git cat-file -p bca2068e9b221d47154d1e3eaebf8c9abd86951f
dnkqslnokqe


git update-ref refs/bug/HEAD bca2068e9b221d47154d1e3eaebf8c9abd86951f

git show refs/bug/HEAD

git push origin "refs/bug/*"

git fetch origin "refs/bug/*:refs/bug/*"






Bug operations:
- create bug
- change title
- add comment
- edit text comment
- hide/unhide/delete comment
- (?) reply to comment
- add/remove [label, assignee, project, milestone, ...]


G-Set (append only log)
-----

- create bug
- change title
- add/edit/hide/unhide/delete comment


LWW-e-Set (add + remove, based on timestamp)
---------

- label
- assignee
- project
- milestone