I've been looking for software that does this myself, but I don't think it exists.
There used to be a project, https://bazil.org/, that promised to do it. The website is still up, but it has not been updated in years.
The existing tool closest to what I envision is git-annex. It tracks what files live where, and you can sync single files or as much content as will fit on the local harddrive with a few commands. There is also git-annex-assistant for a more dropbox-like experience, although I haven't used it myself.
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I've been looking for software that does this myself, but I don't think it exists.
There used to be a project, https://bazil.org/, that promised to do it. The website is still up, but it has not been updated in years.
The existing tool closest to what I envision is git-annex. It tracks what files live where, and you can sync single files or as much content as will fit on the local harddrive with a few commands. There is also git-annex-assistant for a more dropbox-like experience, although I haven't used it myself.