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git-annex-unused - look for unused file content


git annex unused


Checks the annex for data that does not correspond to any files present in any tag or
branch, and prints a numbered list of the data.

After running this command, you can use the --unused option with many other git-annex
commands to operate on all the unused data that was found.

For example, to move all unused data to origin:

git annex unused; git annex move --unused --to origin



Only show unused temp and bad files.

Check for unused data that is located on a remote.

By default, any data that the work tree uses, or that any refs in the git
repository point to is considered to be used. If you only want to use some refs,
you can use this option to specify the ones to use. Data that is not in the
specified refs (and not used by the work tree) will then be considered unused.

The git configuration annex.used-refspec can be used to configure this in a more
permanent fashion.


The refspec format for --used-refspec is a colon-separated list of additions and removals
of refs. For example:


This adds all refs/heads/ refs, as well as the previous version of HEAD. It also adds all
tags, except for old-tag.

The refspec is processed by starting with an empty set of refs, and walking the list in
order from left to right.

Each + using a glob is matched against all relevant refs (a subset of git show-ref) and
all matching refs are added to the set. For example, "+refs/remotes/*" adds all remote

Each + without a glob adds the literal value to the set. For example, "+HEAD^" adds

Each - is matched against the set of refs accumulated so far. Any matching refs are
removed from the set.

"reflog" adds all the refs from the reflog. This will make past versions of files not be
considered to be unused until the ref expires from the reflog (by default for 90 days).
Note that this may make git-annex unused take some time to complete, it if needs to check
every ref from the reflog.

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