forked from lix-project/lix
81 lines
2.7 KiB
Nix
81 lines
2.7 KiB
Nix
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{ lib, config, ... }:
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/**
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* Test that nix upgrade-nix works regardless of whether /nix/var/nix/profiles/default
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* is a nix-env style profile or a nix profile style profile.
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*/
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let
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pkgs = config.nodes.machine.nixpkgs.pkgs;
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lix = pkgs.nix;
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lixVersion = lib.getVersion lix;
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newNix = pkgs.nixVersions.unstable;
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newNixVersion = lib.getVersion newNix;
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in {
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name = "nix-upgrade-nix";
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nodes = {
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machine = { config, lib, pkgs, ... }: {
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virtualisation.writableStore = true;
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virtualisation.additionalPaths = [ pkgs.hello.drvPath ];
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nix.settings.substituters = lib.mkForce [ ];
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nix.settings.experimental-features = [ "nix-command" "flakes" ];
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services.getty.autologinUser = "root";
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};
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};
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testScript = { nodes }: ''
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# fmt: off
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start_all()
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machine.succeed("nix --version >&2")
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# Install Lix into the default profile, overriding /run/current-system/sw/bin/nix,
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# and thus making Lix think we're not on NixOS.
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machine.succeed("nix-env --install '${lib.getBin lix}' --profile /nix/var/nix/profiles/default >&2")
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# Make sure that correctly got inserted into our PATH.
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default_profile_nix_path = machine.succeed("command -v nix")
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print(default_profile_nix_path)
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assert default_profile_nix_path.strip() == "/nix/var/nix/profiles/default/bin/nix", \
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f"{default_profile_nix_path.strip()=} != /nix/var/nix/profiles/default/bin/nix"
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# And that it's the Nix we specified.
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default_profile_version = machine.succeed("nix --version")
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assert "${lixVersion}" in default_profile_version, f"${lixVersion} not in {default_profile_version}"
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# Upgrade to a different version of Nix, and make sure that also worked.
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machine.succeed("nix upgrade-nix --store-path ${newNix} >&2")
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default_profile_version = machine.succeed("nix --version")
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print(default_profile_version)
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assert "${newNixVersion}" in default_profile_version, f"${newNixVersion} not in {default_profile_version}"
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# Now 'break' this profile -- use nix profile on it so nix-env will no longer work on it.
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machine.succeed(
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"nix profile install --profile /nix/var/nix/profiles/default '${pkgs.hello.drvPath}^*' >&2"
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)
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# Confirm that nix-env is broken.
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machine.fail(
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"nix-env --query --installed --profile /nix/var/nix/profiles/default >&2"
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)
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# And use nix upgrade-nix one more time, on the `nix profile` style profile.
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# (Specifying Lix by full path so we can use --store-path.)
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machine.succeed(
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"${lib.getBin lix}/bin/nix upgrade-nix --store-path '${lix}' >&2"
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)
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default_profile_version = machine.succeed("nix --version")
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print(default_profile_version)
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assert "${lixVersion}" in default_profile_version, f"${lixVersion} not in {default_profile_version}"
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'';
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}
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