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docker.nix: add an option to include flake-registry inside docker image (#6750)

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Co-authored-by: Alex Wied <centromere@users.noreply.github.com>
Co-authored-by: Rok Garbas <rok@floxdev.com>
This commit is contained in:
Alex Wied 2023-03-22 15:55:02 -04:00 committed by GitHub
parent 006291e5be
commit 6dbce3215f
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1 changed files with 11 additions and 1 deletions
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12
docker.nix
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@ -8,6 +8,7 @@
, extraPkgs ? []
, maxLayers ? 100
, nixConf ? {}
, flake-registry ? null
}:
let
defaultPkgs = with pkgs; [
@ -247,7 +248,16 @@ let
mkdir -p $out/bin $out/usr/bin
ln -s ${pkgs.coreutils}/bin/env $out/usr/bin/env
ln -s ${pkgs.bashInteractive}/bin/bash $out/bin/sh
'';
'' + (lib.optionalString (flake-registry != null) ''
nixCacheDir="/root/.cache/nix"
mkdir -p $out$nixCacheDir
globalFlakeRegistryPath="$nixCacheDir/flake-registry.json"
ln -s ${flake-registry}/flake-registry.json $out$globalFlakeRegistryPath
mkdir -p $out/nix/var/nix/gcroots/auto
rootName=$(${pkgs.nix}/bin/nix --extra-experimental-features nix-command hash file --type sha1 --base32 <(echo -n $globalFlakeRegistryPath))
ln -s $globalFlakeRegistryPath $out/nix/var/nix/gcroots/auto/$rootName
'');
in
pkgs.dockerTools.buildLayeredImageWithNixDb {