26 lines
1.5 KiB
Markdown
26 lines
1.5 KiB
Markdown
git-annex has this peculiar thing that blobs stored in `.git/annex/objects` are readonly, even for the current user. Naturally, git-annex itself bypasses those restrictions in some way to create/remove/move those files from time to time, but for other tools, this can actually be a problem. For example, if a user wants to completely remove a dead repository, they will naively try to just delete it (say) in their file manager, which will fail with permission errors.
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Similarly, moving a repository across filesystem boundaries will create problems, as this effectively means copying the files and removing the original copy. Normally, this should be a safe thing to do, but git-annex forbids it.
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The workaround I have found is to do exactly that: copy the files and then remove the original. I used the "tar + pv" hack to get a progress bar:
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tar cf - Photos | pv -s 406G | ( cd /srv ; tar xf - )
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Just for good measure, I then also run fsck on the repository copy:
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git -C /srv/Photos annex fsck --quiet --incremental
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If that succeeds, I then remove the original repository:
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sudo rm -r Photos
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Notice how it's simpler for me to do `sudo rm` than the alternative:
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chmod -R u+w Photos
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\rm -r Photos
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I believe that's because rm won't fail to remove files if they are readonly when running as root.
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Anyways - what's the proper way of doing this? I know I could `git clone` the repository and `git get` everything, but that would create another repository with a new UUID. That's duplication I do not want.
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Thanks for the advice! -- [[anarcat]]
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