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activation-checks: add NIX_PATH check for darwin

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Daiderd Jordan 2017-07-23 17:23:09 +02:00
parent 8016f1e2fd
commit 05d8495ed8
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GPG key ID: D02435D05B810C96
1 changed files with 24 additions and 1 deletions
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25
modules/system/activation-checks.nix
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@ -6,7 +6,29 @@ let
buildUsers = optionalString config.services.nix-daemon.enable ''
buildUser=$(dscl . -read /Groups/nixbld GroupMembership 2>&1 | awk '/^GroupMembership: / {print $2}')
if [ -z $buildUser ]; then
echo "Using the nix-daemon requires build users, aborting activation" >&2
echo "error: Using the nix-daemon requires build users, aborting activation" >&2
echo "Create the build users or disable the daemon:" >&2
echo "$ ./bootstrap -u" >&2
echo >&2
echo "or set" >&2
echo >&2
echo " services.nix-daemon.enable = false;" >&2
echo >&2
exit 2
fi
'';
nixPath = optionalString true ''
darwinPath=$(NIX_PATH=${concatStringsSep ":" config.nix.nixPath} nix-instantiate --eval -E '<darwin>')
if [ -z $darwinPath ]; then
echo "error: Changed <darwin> but target does not exist, aborting activation" >&2
echo "Add the darwin repo as a channel or set NIX_PATH:" >&2
echo "$ sudo nix-channel --add https://github.com/LnL7/nix-darwin/archive/master.tar.gz darwin" >&2
echo >&2
echo "or set" >&2
echo >&2
echo " nix.nixPath = [ \"darwin=${builtins.toString <darwin>}\" ];" >&2
echo >&2
exit 2
fi
'';
@ -21,6 +43,7 @@ in
system.activationScripts.checks.text = ''
set +e
${buildUsers}
${nixPath}
set -e
'';