topic: file backup

[kdziamura]

The problem

Create a system that allows creating a backup of a directory and restoring directory state from the backup

Technical challenges

• Multiple backups with little overhead

Takeaways

• Hash functions: how to represent smth big with smth small
• Testing of inversion functions, in this case, dirState == restore(backup(dirState))

Storytelling ideas

• The Library of Babel

[gvwilson]

@wontem would you like to take this one on? If so, thank you and I'll assign the issue to you.

[kdziamura]

@gvwilson yes please

[gvwilson]

Thanks @wontem - can you please create a subdirectory under the project root called backup and put your work there as a standalone Roc project with an index.md file containing any notes you make for yourself? Once we have a few rough drafts we'll talk some more about how best to organize them and compile them into HTML, but for now please focus on a minimal viable example. Thanks much - Greg

[kdziamura]

Just a heads-up. Had no time to push anything meaningful recently. I plan to have a draft PR the next week

[kdziamura]

Ok, it seems I can't find enough time for this, unfortunately. I'm still interested in the project, but can't provide any ETA.
Feel free to pick up the chapter. I'll be happy to participate when I'm less loaded.

[kdziamura]

SHA-256 implementation can be found here
https://github.com/quelgar/roc-utils/tree/main

[Anton-4]

Ok, it seems I can't find enough time for this, unfortunately.

All good :) @bhansconnect mentioned being interested in picking up chapters in cases like this, no obligation of course.