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Add .nix-defexpr to NIX_PATH the way the NixOS module does

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This commit is contained in:
Malo Bourgon 2022-08-14 14:04:20 -07:00
parent 08edc0e19a
commit ffc8ec5c9a
3 changed files with 21 additions and 15 deletions
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24
modules/nix/default.nix
View file

@ -378,7 +378,6 @@ in
# Include default path <darwin-config>.
{ darwin-config = "${config.environment.darwinConfig}"; }
"/nix/var/nix/profiles/per-user/root/channels"
"$HOME/.nix-defexpr/channels"
];
description = ''
The default Nix expression search path, used by the Nix
@ -734,21 +733,26 @@ in
(mkIf (config.system.stateVersion > 3) (mkOrder 1200
[ { darwin-config = "${config.environment.darwinConfig}"; }
"/nix/var/nix/profiles/per-user/root/channels"
"$HOME/.nix-defexpr/channels"
]))
];
# Set up the environment variables for running Nix.
environment.variables = cfg.envVars // { NIX_PATH = cfg.nixPath; };
# Unreladed to use in NixOS module
environment.extraInit = ''
# Set up secure multi-user builds: non-root users build through the
# Nix daemon.
if [ ! -w /nix/var/nix/db ]; then
export NIX_REMOTE=daemon
fi
'';
environment.extraInit =
''
if [ -e "$HOME/.nix-defexpr/channels" ]; then
export NIX_PATH="$HOME/.nix-defexpr/channels''${NIX_PATH:+:$NIX_PATH}"
fi
'' +
# Not in NixOS module
''
# Set up secure multi-user builds: non-root users build through the
# Nix daemon.
if [ ! -w /nix/var/nix/db ]; then
export NIX_REMOTE=daemon
fi
'';
nix.nrBuildUsers = mkDefault (max 32 (if cfg.settings.max-jobs == "auto" then 0 else cfg.settings.max-jobs));

8
modules/system/checks.nix
View file

@ -125,7 +125,9 @@ let
'';
nixPath = ''
darwinConfig=$(NIX_PATH=${concatStringsSep ":" config.nix.nixPath} nix-instantiate --find-file darwin-config) || true
nixPath=${concatStringsSep ":" config.nix.nixPath}:$HOME/.nix-defexpr/channels
darwinConfig=$(NIX_PATH=$nixPath nix-instantiate --find-file darwin-config) || true
if ! test -e "$darwinConfig"; then
echo "error: Changed <darwin-config> but target does not exist, aborting activation" >&2
echo "Create ''${darwinConfig:-~/.nixpkgs/darwin-configuration.nix} or set environment.darwinConfig:" >&2
@ -139,7 +141,7 @@ let
exit 2
fi
darwinPath=$(NIX_PATH=${concatStringsSep ":" config.nix.nixPath} nix-instantiate --find-file darwin) || true
darwinPath=$(NIX_PATH=$nixPath nix-instantiate --find-file darwin) || true
if ! test -e "$darwinPath"; then
echo "error: Changed <darwin> but target does not exist, aborting activation" >&2
echo "Add the darwin repo as a channel or set nix.nixPath:" >&2
@ -153,7 +155,7 @@ let
exit 2
fi
nixpkgsPath=$(NIX_PATH=${concatStringsSep ":" config.nix.nixPath} nix-instantiate --find-file nixpkgs) || true
nixpkgsPath=$(NIX_PATH=$nixPath nix-instantiate --find-file nixpkgs) || true
if ! test -e "$nixpkgsPath"; then
echo "error: Changed <nixpkgs> but target does not exist, aborting activation" >&2
echo "Add a nixpkgs channel or set nix.nixPath:" >&2

4
pkgs/darwin-installer/default.nix
View file

@ -145,13 +145,13 @@ stdenv.mkDerivation {
env -i USER=john HOME=/Users/john bash -li -c 'echo $PATH'
env -i USER=john HOME=/Users/john bash -li -c 'echo $PATH' | grep /Users/john/.nix-profile/bin:/run/current-system/sw/bin:/nix/var/nix/profiles/default/bin:/usr/local/bin:/usr/bin:/usr/sbin:/bin:/sbin
env -i USER=john HOME=/Users/john bash -li -c 'echo $NIX_PATH'
env -i USER=john HOME=/Users/john bash -li -c 'echo $NIX_PATH' | grep darwin-config=/Users/john/.nixpkgs/darwin-configuration.nix:/nix/var/nix/profiles/per-user/root/channels:/Users/john/.nix-defexpr/channels
env -i USER=john HOME=/Users/john bash -li -c 'echo $NIX_PATH' | grep darwin-config=/Users/john/.nixpkgs/darwin-configuration.nix:/nix/var/nix/profiles/per-user/root/channels
echo >&2 "checking zsh environment"
env -i USER=john HOME=/Users/john zsh -l -c 'echo $PATH'
env -i USER=john HOME=/Users/john zsh -l -c 'echo $PATH' | grep /Users/john/.nix-profile/bin:/run/current-system/sw/bin:/nix/var/nix/profiles/default/bin:/usr/local/bin:/usr/bin:/usr/sbin:/bin:/sbin
env -i USER=john HOME=/Users/john zsh -l -c 'echo $NIX_PATH' | grep darwin-config=/Users/john/.nixpkgs/darwin-configuration.nix:/nix/var/nix/profiles/per-user/root/channels:/Users/john/.nix-defexpr/channels
env -i USER=john HOME=/Users/john zsh -l -c 'echo $NIX_PATH'
env -i USER=john HOME=/Users/john zsh -l -c 'echo $NIX_PATH' | grep darwin-config=/Users/john/.nixpkgs/darwin-configuration.nix:/nix/var/nix/profiles/per-user/root/channels
echo >&2 ok
exit