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nixos-install: Mound nixos and nixpkgs src directly

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Previously nixos-install would fail if nixos and nixpkgs weren't on the same mountpoint as /

Signed-off-by: Shea Levy <shea@shealevy.com>
This commit is contained in:
Shea Levy 2013-04-11 16:12:43 -04:00
parent e28b0453bf
commit 6e0723bac6
1 changed files with 7 additions and 5 deletions
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12
modules/installer/tools/nixos-install.sh
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@ -39,7 +39,7 @@ fi
# Mount some stuff in the target root directory. We bind-mount /etc
# into the chroot because we need networking and the nixbld user
# accounts in /etc/passwd. But we do need the target's /etc/nixos.
mkdir -m 0755 -p $mountPoint/dev $mountPoint/proc $mountPoint/sys $mountPoint/mnt $mountPoint/mnt2 $mountPoint/etc /etc/nixos
mkdir -m 0755 -p $mountPoint/dev $mountPoint/proc $mountPoint/sys $mountPoint/mnt $mountPoint/mnt2 $mountPoint/mnt-nixos $mountPoint/mnt-nixpkgs $mountPoint/etc /etc/nixos
mount --make-private / # systemd makes / shared, which is annoying
mount --bind / $mountPoint/mnt
mount --bind /nix $mountPoint/mnt/nix
@ -58,6 +58,8 @@ cleanup() {
mountpoint -q $mountPoint/etc/nixos && umount $mountPoint/etc/nixos
mountpoint -q $mountPoint/etc && umount $mountPoint/etc
umount $mountPoint/mnt2
umount $mountPoint/mnt-nixos
umount $mountPoint/mnt-nixpkgs
umount $mountPoint/sys/firmware/efi/efivars &>/dev/null || true
umount $mountPoint/sys
umount $mountPoint/proc
@ -66,7 +68,7 @@ cleanup() {
umount $mountPoint/mnt/nix/store
umount $mountPoint/mnt/nix
umount $mountPoint/mnt
rmdir $mountPoint/mnt $mountPoint/mnt2
rmdir $mountPoint/mnt $mountPoint/mnt2 $mountPoint/mnt-nixos $mountPoint/mnt-nixpkgs
}
trap "cleanup" EXIT
@ -165,14 +167,14 @@ done
# Get the absolute path to the NixOS/Nixpkgs sources.
nixpkgs_src=$(readlink -f $(nix-instantiate --find-file nixpkgs))
nixos_src=$(readlink -f $(nix-instantiate --find-file nixos))
mount --bind $(readlink -f $(nix-instantiate --find-file nixpkgs)) $mountPoint/mnt-nixpkgs
mount --bind $(readlink -f $(nix-instantiate --find-file nixos)) $mountPoint/mnt-nixos
# Build the specified Nix expression in the target store and install
# it into the system configuration profile.
echo "building the system configuration..."
NIX_PATH="nixpkgs=/mnt$nixpkgs_src:nixos=/mnt$nixos_src:nixos-config=$NIXOS_CONFIG" NIXOS_CONFIG= \
NIX_PATH="nixpkgs=/mnt-nixpkgs:nixos=/mnt-nixos:nixos-config=$NIXOS_CONFIG" NIXOS_CONFIG= \
chroot $mountPoint @nix@/bin/nix-env \
-p /nix/var/nix/profiles/system -f '<nixos>' --set -A system --show-trace