Eelco Dolstra 7d21863bb3 Make <nix/fetchurl.nix> run in constant memory ... E.g. nix-build --store ~/my-nix/ -E 'import <nix/fetchurl.nix> { url = https://cache.nixos.org/nar/0nwi996rgq4b914qyx0mv2wq4k80hjac7xilikavagw7kxmn2iiv.nar.xz; sha256 = "0nwi996rgq4b914qyx0mv2wq4k80hjac7xilikavagw7kxmn2iiv"; }' now runs in 17 MiB (was 70 MiB), while nix-build --store ~/my-nix/ -E 'import <nix/fetchurl.nix> { url = https://cache.nixos.org/nar/0nwi996rgq4b914qyx0mv2wq4k80hjac7xilikavagw7kxmn2iiv.nar.xz; sha256 = "0d2fxljdih3nc5dqx41hjzic3141ajil94m8kdbpryq569dpsbvb"; unpack = true; }' runs in 17 MiB (was 346 MiB).		2018-05-30 13:42:51 +02:00
..
buildenv.cc	<nix/buildenv.nix>: Ignore dangling symlinks	2018-04-05 20:04:42 +02:00
fetchurl.cc	Make <nix/fetchurl.nix> run in constant memory	2018-05-30 13:42:51 +02:00