Refactor cli self-update

darklang / dark

Darklang main repo, including language, backend, and infra

https://darklang.com

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Refactor cli self-update #5296

Closed OceanOak closed 8 months ago

OceanOak commented 9 months ago

Changelog:

CLI: 
- Add a darklang update command to manually update the CLI
- Add bash and zsh modules to the Cli package
- Add some Cli stdlib functions for getting the runtime host and shell

This PR refactors the cli's self update code

OceanOak commented 8 months ago

Notes/ questions:

Running the self-update manually runs the update twice (because currently we run the self update with every command) Edit : ^fixed
When a new version of the cli is installed we are not removing the old version; should we remove it? if so, I think we need to save the previous version's hash in the config file wdyt?