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A comment on Nix: An idea whose time has come. Parent comment

Re:Nix: An idea whose time has come by slapslash on Saturday February 19, 2022 @03:37AM (#30395430)
Ahh, I see. But couldn‘t the hash then also be used on the packages themselves?
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Re:Nix: An idea whose time has come by rgoulter on Saturday February 19, 2022 @06:39AM (#30396345)
The package in the cache which it's downloaded from?

I think so. It would be a bit more involved that "replace the package for gcc-11". The packages are addressed by the inputs which built them.

There has been some effort towards supporting content-addressable storage. https://www.tweag.io/blog/2020-09-10-nix-cas/ https://edolstra.github.io/pubs/secsharing-ase2005-final.pdf

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