issues: 275814941

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association pull_request body repo type active_lock_reason performed_via_github_app reactions draft state_reason
275814941 MDU6SXNzdWUyNzU4MTQ5NDE= 141 datasette publish can fail if /tmp is on a different device 21148 closed 0   2949431 5 2017-11-21T18:28:05Z 2020-04-29T03:27:54Z 2017-12-08T16:06:36Z CONTRIBUTOR  

datasette publish uses hard links to avoid copying the db into a tmp directory. This can fail if /tmp is on another device, because hardlinks can't cross devices. You'll see something like this:

$ datasette publish heroku whatever.db ... OSError: [Errno 18] Invalid cross-device link: '/mnt/c/Users/jacob/c/datasette/whatever.db' -> '/tmp/tmpvxq2yof6/whatever.db' [In my case this is failing because I'm on a Windows machine, using WSL, so my code's on a different virtual filesystem from the Linux subsystem, Because Reasons.]

I'm not sure if it's possible to detect this (can you figure out which device /tmp is on?), or what the fallback should be (soft link? copy?).

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