git-annex/doc/todo/git-annex_whereused.mdwn
Joey Hess 8dbbbc7250
idea
2021-05-10 19:16:15 -04:00

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`git annex whereused` would report where in the git repository a
key is used, as a complement to `git-annex unused`.
Use cases include users not getting confused about why git-annex unused
says a key is used.
Also, it could scan through history to find where a key *was* used.
git-annex unused outputs a suggestion to use a rather hairy `git log -S`
command to do that currently.
If it does both these things, it could explain why git-annex unused
considers a key used despite a previous git rev referring to it. Eg:
# git annex whereused SHA1--foo
checking index... unused
checking branches... unused
checking tags... unused
checking history... last used in master^40:somefile
checking reflog... last used in HEAD@{30}:somefile
--[[Joey]]