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In short: is it safe to rsync .git/annex/objects/ to other clones?
I'm in the process of migrating a lot of my files to a new backend. Most them
still use the old non-file-size-tracking SHA1 backend from when WORM was the
default. I have multiple clones that each use about 460 GB of their 500 GB
drives.
I've noticed that git-annex creates hardlinks to migrated content in
.git/annex/objects, so I'm able to migrate all content despite only having 40
GB of free space. Excellent.
Now I'm planning to `rsync -a --hard-links .git/annex/objects/
${CLONE}/.git/annex/objects/` to recreate the hardlinks and save space on the
clones as well. If I `fsck` afterwards, this should be fine, right?
I've tried this with a test repository and it works but I'd like to be extra
sure that I'm not missing something crucial.
The alternatives that I'm aware of are:
* making space first: `git annex dropunused "1-20000"` and `git annex get .`
* running `git annex migrate` in each clone.
I expect rsync to be safer and faster than these alternatives.
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