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Merge pull request #27342 from lheckemann/installer-changes

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Installer changes
This commit is contained in:
Jörg Thalheim 2017-09-15 16:19:11 +01:00 committed by GitHub
commit 7d5633ea7a
1 changed files with 11 additions and 3 deletions
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14
nixos/modules/installer/tools/nixos-install.sh
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@ -106,8 +106,11 @@ extraBuildFlags+=(--option "build-users-group" "$buildUsersGroup")
binary_caches="$(@perl@/bin/perl -I @nix@/lib/perl5/site_perl/*/* -e 'use Nix::Config; Nix::Config::readConfig; print $Nix::Config::config{"binary-caches"};')"
extraBuildFlags+=(--option "binary-caches" "$binary_caches")
nixpkgs="$(readlink -f "$(nix-instantiate --find-file nixpkgs)")"
export NIX_PATH="nixpkgs=$nixpkgs:nixos-config=$mountPoint/$NIXOS_CONFIG"
# We only need nixpkgs in the path if we don't already have a system closure to install
if [[ -z "$closure" ]]; then
nixpkgs="$(readlink -f "$(nix-instantiate --find-file nixpkgs)")"
export NIX_PATH="nixpkgs=$nixpkgs:nixos-config=$mountPoint/$NIXOS_CONFIG"
fi
unset NIXOS_CONFIG
# TODO: do I need to set NIX_SUBSTITUTERS here or is the --option binary-caches above enough?
@ -123,6 +126,9 @@ function closure() {
}
system_closure="$tmpdir/system.closure"
# Use a FIFO for piping nix-store --export into nix-store --import, saving disk
# I/O and space. nix-store --import is run by nixos-prepare-root.
mkfifo $system_closure
if [ -z "$closure" ]; then
expr="(import <nixpkgs/nixos> {}).system"
@ -132,7 +138,9 @@ else
system_root=$closure
# Create a temporary file ending in .closure (so nixos-prepare-root knows to --import it) to transport the store closure
# to the filesytem we're preparing. Also delete it on exit!
nix-store --export $(nix-store -qR $closure) > $system_closure
# Run in background to avoid blocking while trying to write to the FIFO
# $system_closure refers to
nix-store --export $(nix-store -qR $closure) > $system_closure &
fi
channel_root="$(nix-env -p /nix/var/nix/profiles/per-user/root/channels -q nixos --no-name --out-path 2>/dev/null || echo -n "")"