mirror of
https://github.com/NixOS/nixpkgs.git
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f0979ca30e
E.g. nixos-install --root /tmp/mnt/ --no-bootloader --no-root-passwd now works for non-root users.
136 lines
3.9 KiB
Bash
136 lines
3.9 KiB
Bash
#! @shell@
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set -e
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shopt -s nullglob
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export PATH=@path@:$PATH
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# Ensure a consistent umask.
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umask 0022
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# Parse the command line for the -I flag
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extraBuildFlags=()
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mountPoint=/mnt
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while [ "$#" -gt 0 ]; do
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i="$1"; shift 1
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case "$i" in
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--max-jobs|-j|--cores|-I)
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j="$1"; shift 1
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extraBuildFlags+=("$i" "$j")
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;;
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--option)
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j="$1"; shift 1
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k="$1"; shift 1
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extraBuildFlags+=("$i" "$j" "$k")
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;;
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--root)
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mountPoint="$1"; shift 1
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;;
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--closure)
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# FIXME: --closure is a misnomer
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system="$1"; shift 1
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;;
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--no-channel-copy)
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noChannelCopy=1
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;;
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--no-root-passwd)
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noRootPasswd=1
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;;
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--no-bootloader)
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noBootLoader=1
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;;
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--show-trace)
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extraBuildFlags+=("$i")
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;;
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--help)
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exec man nixos-install
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exit 1
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;;
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--debug)
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set -x
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;;
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*)
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echo "$0: unknown option \`$i'"
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exit 1
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;;
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esac
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done
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if ! test -e "$mountPoint"; then
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echo "mount point $mountPoint doesn't exist"
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exit 1
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fi
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# Get the path of the NixOS configuration file.
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if [[ -z $NIXOS_CONFIG ]]; then
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NIXOS_CONFIG=$mountPoint/etc/nixos/configuration.nix
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fi
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if [[ ${NIXOS_CONFIG:0:1} != / ]]; then
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echo "$0: \$NIXOS_CONFIG is not an absolute path"
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exit 1
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fi
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if [ ! -e "$NIXOS_CONFIG" ] && [ -z "$closure" ]; then
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echo "configuration file $NIXOS_CONFIG doesn't exist"
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exit 1
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fi
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# A place to drop temporary stuff.
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trap "rm -rf $tmpdir" EXIT
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tmpdir="$(mktemp -d)"
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subs="auto?trusted=1 https://cache.nixos.org/"
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# Build the system configuration in the target filesystem.
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if [[ -z $system ]]; then
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echo "building the configuration in $NIXOS_CONFIG..."
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outLink="$tmpdir/system"
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nix build --out-link "$outLink" --store "$mountPoint" "${extraBuildFlags[@]}" \
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--substituters "$subs" \
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-f '<nixpkgs/nixos>' system -I "nixos-config=$NIXOS_CONFIG"
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system=$(readlink -f $outLink)
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fi
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# Set the system profile to point to the configuration. TODO: combine
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# this with the previous step once we have a nix-env replacement with
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# a progress bar.
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nix-env --store "$mountPoint" "${extraBuildFlags[@]}" \
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--substituters "$subs" \
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-p $mountPoint/nix/var/nix/profiles/system --set "$system"
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# Copy the NixOS/Nixpkgs sources to the target as the initial contents
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# of the NixOS channel.
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if [[ -z $noChannelCopy ]]; then
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channelPath="$(nix-env -p /nix/var/nix/profiles/per-user/root/channels -q nixos --no-name --out-path 2>/dev/null || echo -n "")"
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if [[ -n $channelPath ]]; then
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echo "copying channel..."
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mkdir -p $mountPoint/nix/var/nix/profiles/per-user/root
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nix-env --store "$mountPoint" --substituters 'auto?trusted=1' "${extraBuildFlags[@]}" \
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-p $mountPoint/nix/var/nix/profiles/per-user/root/channels --set "$channelPath" --quiet
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fi
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fi
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# Mark the target as a NixOS installation, otherwise switch-to-configuration will chicken out.
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touch "$mountPoint/etc/NIXOS"
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# Switch to the new system configuration. This will install Grub with
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# a menu default pointing at the kernel/initrd/etc of the new
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# configuration.
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if [[ -z $noBootLoader ]]; then
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echo "installing the boot loader..."
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# Grub needs an mtab.
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ln -sfn /proc/mounts $mountPoint/etc/mtab
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NIXOS_INSTALL_BOOTLOADER=1 nixos-enter --root "$mountPoint" -- /run/current-system/bin/switch-to-configuration boot
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fi
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# Ask the user to set a root password, but only if the passwd command
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# exists (i.e. when mutable user accounts are enabled).
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if [[ -z $noRootPasswd ]] && [ -t 0 ]; then
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nixos-enter --root "$mountPoint" -c '[[ -e /nix/var/nix/profiles/system/sw/bin/passwd ]] && echo "setting root password..." && /nix/var/nix/profiles/system/sw/bin/passwd'
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fi
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echo "installation finished!"
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