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author | aszlig <aszlig@nix.build> | 2020-07-12 16:16:38 +0200 |
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committer | aszlig <aszlig@nix.build> | 2020-07-12 20:25:40 +0200 |
commit | 522a2a65c3758e9953c883f2b99e251d26d9f039 (patch) | |
tree | ba201c272bd080c2139e6209143ed23d7cd7a32c /pkgs/aszlig/git-detach | |
parent | 27c3a2a5401055bcf79b545d4e9ac79af1a58483 (diff) |
pkgs: Update easy-dhall-nix to latest master
I'm not familiar with the "easy-dhall-nix" project, but the repository is imported into Vuizvui via import-from-derivation. While this by itself is not a big issue (apart from contributing hugely to evaluation time, we're already at around an hour), the "dhall-nix" derivation is in turn imported again via importDhall, so whenever something breaks with dhall-nix, our evaluation will break as well. Unfortunately, something is broken right now: building '/nix/store/c363947v9qk287d07qj2kpj60rmzwalj-dhall-nix-1.1.14-x86_64-linux.tar.bz2.drv'... trying https://github.com/dhall-lang/dhall-haskell/releases/download/1.32.0/dhall-nix-1.1.14-x86_64-linux.tar.bz2 % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 648 100 648 0 0 2592 0 --:--:-- --:--:-- --:--:-- 2581 100 2255k 100 2255k 0 0 1639k 0 0:00:01 0:00:01 --:--:-- 6287k hash mismatch in fixed-output derivation '/nix/store/yhls1ffnvp1nbjsm0xr3l1z6j6x4waqh-dhall-nix-1.1.14-x86_64-linux.tar.bz2': wanted: sha256:1j32jf0is0kikfw7h9w3n8ikw70bargr32d1cyasqgmb7s7mvs1c got: sha256:1qs5p05qfk5xs1ajwyhn27m0bzs96lnlf3b4gnkffajhaq7hiqll cannot build derivation '/nix/store/aj5ag721b9gm4an6yxh2ljg19ixg4alv-dhall-nix-simple.drv': 1 dependencies couldn't be built The reason why this happens is because GitHub's tarballs are not deterministic and whenever GitHub changes something in the way these are generated, we get a hash mismatch. For exactly that reason, the fetchFromGitHub wrapper in nixpkgs uses fetchzip instead of fetchurl, so that file ordering in the archive doesn't matter. Unfortunately, the upstream project still uses fetchurl, but since the URLs and hashes have changed due to a bump to Dhall version 1.33.1, I've choosen to switch to latest master instead of monkeypatching via extraPostFetch. With this bandaid, we shouldn't run into a hash collision until either the next GC or until the upstream project has switched to either fetchFromGitHub or fetchzip. Signed-off-by: aszlig <aszlig@nix.build> Cc: @Profpatsch, @justinwoo
Diffstat (limited to 'pkgs/aszlig/git-detach')
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