Downloading `nixpkgs` is slow

Open LightAndLight opened this issue 2 years ago • 0 comments

In the CI pipelines, nix profile install github:LightAndLight/ipso?ref=v0.3 takes ~20s, and most of that is spent downloading a checkout of nixpkgs.

Example log line:

Tue, 31 Jan 2023 21:27:48 GMT copying path '/nix/store/iqkprmnfrlc5k4y59xqwdn4d2q3nss9l-source' from 'https://cache.nixos.org/'...
Tue, 31 Jan 2023 21:28:05 GMT this path will be fetched (0.76 MiB download, 2.45 MiB unpacked):

Jan 31 '23 21:01 LightAndLight