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Add bi-directional syncing note from Quenty

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Lucien Greathouse
2018-02-04 08:55:19 -08:00
parent ab644c3dfa
commit ebffba9589
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DESIGN.md
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@@ -36,4 +36,14 @@ The plan is to have several built-in plugins that can be rearranged/configured i
* User passes a binary name (like `moonc`) that modifies file contents
## Roblox Studio Plugin
With the protocol version 1 change, the Roblox Studio plugin got a lot simpler. Notably, the plugin doesn't need to be aware of anything about the filesystem's semantics, which is super handy.
With the protocol version 1 change, the Roblox Studio plugin got a lot simpler. Notably, the plugin doesn't need to be aware of anything about the filesystem's semantics, which is super handy.
## Bi-directional syncing
Quenty laid out a good way to handle bi-directional syncing.
When receiving a change from the plugin:
1. Hash the new contents of the file, store it in a map from routes to hashes
2. Write the new file contents to the filesystem
3. Later down the line, receive a change event from the filesystem watcher
4. When receiving a change, if the item is in the hash map, read it and hash those contents
5. If the hash matches the last noted hash, discard the change, else continue as normal