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nix-darwin/pkgs/nix-tools/default.nix
Emily d07feb43b2 nix-tools: re‐add nixPackage
(With some tweaks to handle `nix.enable` and order it at a more
sensible position in the `$PATH`.)

The installers actually install Nix into `root`’s profile for some
reason, which means that the path’s prioritization backfires when
the script runs as root and we’re managing the Nix installation. When
running `darwin-rebuild` as a normal user, this wasn’t a problem.

Maybe we should just have a check to make sure there’s no conflicting
Nix in `root`’s profile – it seems pretty bad for `root` to
get the wrong Nix – but it would trigger for almost everyone,
which seems kind of annoying. I guess we could automatically
remove it from `root`’s profile if it matches what’s in
`/nix/var/nix/profiles/default`…

This reverts commit 02232f71c5.
2025-03-23 11:55:36 +00:00

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{ lib
, coreutils
, jq
, git
, substituteAll
, stdenv
, profile ? "/nix/var/nix/profiles/system"
, # This should be kept in sync with the default
# `environment.systemPath`. We err on side of including conditional
# things like the profile directories, since theyre more likely to
# help than hurt, and this default is mostly used for fresh
# installations anyway.
systemPath ? lib.concatStringsSep ":" [
"$HOME/.nix-profile/bin"
"/etc/profiles/per-user/$USER/bin"
"/run/current-system/sw/bin"
"/nix/var/nix/profiles/default/bin"
"/usr/local/bin"
"/usr/bin"
"/bin"
"/usr/sbin"
"/sbin"
]
, nixPackage ? null
, # This should be kept in sync with the default `nix.nixPath`.
nixPath ? lib.concatStringsSep ":" [
"darwin-config=/etc/nix-darwin/configuration.nix"
"/nix/var/nix/profiles/per-user/root/channels"
]
}:
let
extraPath = lib.makeBinPath [ coreutils jq git nixPackage ];
writeProgram = name: env: src:
substituteAll ({
inherit name src;
dir = "bin";
isExecutable = true;
meta.mainProgram = name;
} // env);
path = "${extraPath}:${systemPath}";
in
{
darwin-option = writeProgram "darwin-option"
{
inherit path nixPath;
inherit (stdenv) shell;
}
./darwin-option.sh;
darwin-rebuild = writeProgram "darwin-rebuild"
{
inherit path nixPath profile;
inherit (stdenv) shell;
postInstall = ''
mkdir -p $out/share/zsh/site-functions
cp ${./darwin-rebuild.zsh-completions} $out/share/zsh/site-functions/_darwin-rebuild
'';
}
./darwin-rebuild.sh;
darwin-version = writeProgram "darwin-version"
{
inherit (stdenv) shell;
path = lib.makeBinPath [ jq ];
}
./darwin-version.sh;
}