[_7tgr]

Probably because it's pretty easy to just use an older package from a different version of Nixpkgs (just use an override that defines the attribute for a package in your current Nixpkgs as the same package in an older Nixpkgs). It'll transparently pull the older version from the binary cache, too, if available.

The only difficulty is finding the right Nixpkgs commit hash, which this solves. I think I find the Nix way to be a bit cleaner, though I'm unaware of the full set of pros/cons.

Worth noting that the Nix package definition for curl at [1] is a little easier to read for me since it doesn't have the duplicated code for each version.

[1] https://github.com/NixOS/nixpkgs/blob/master/pkgs/tools/netw...