diff options
Diffstat (limited to 'nixos/modules/installer/tools/nixos-rebuild.sh')
| -rw-r--r-- | nixos/modules/installer/tools/nixos-rebuild.sh | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/nixos/modules/installer/tools/nixos-rebuild.sh b/nixos/modules/installer/tools/nixos-rebuild.sh deleted file mode 100644 index 437199bae1d..00000000000 --- a/nixos/modules/installer/tools/nixos-rebuild.sh +++ /dev/null @@ -1,487 +0,0 @@ -#! @runtimeShell@ - -if [ -x "@runtimeShell@" ]; then export SHELL="@runtimeShell@"; fi; - -set -e -set -o pipefail - -export PATH=@path@:$PATH - -showSyntax() { - exec man nixos-rebuild - exit 1 -} - - -# Parse the command line. -origArgs=("$@") -extraBuildFlags=() -lockFlags=() -action= -buildNix=1 -fast= -rollback= -upgrade= -repair= -profile=/nix/var/nix/profiles/system -buildHost= -targetHost= -maybeSudo=() - -while [ "$#" -gt 0 ]; do - i="$1"; shift 1 - case "$i" in - --help) - showSyntax - ;; - switch|boot|test|build|edit|dry-build|dry-run|dry-activate|build-vm|build-vm-with-bootloader) - if [ "$i" = dry-run ]; then i=dry-build; fi - action="$i" - ;; - --install-grub) - echo "$0: --install-grub deprecated, use --install-bootloader instead" >&2 - export NIXOS_INSTALL_BOOTLOADER=1 - ;; - --install-bootloader) - export NIXOS_INSTALL_BOOTLOADER=1 - ;; - --no-build-nix) - buildNix= - ;; - --rollback) - rollback=1 - ;; - --upgrade) - upgrade=1 - ;; - --repair) - repair=1 - extraBuildFlags+=("$i") - ;; - --max-jobs|-j|--cores|-I|--builders) - j="$1"; shift 1 - extraBuildFlags+=("$i" "$j") - ;; - --show-trace|--keep-failed|-K|--keep-going|-k|--verbose|-v|-vv|-vvv|-vvvv|-vvvvv|--fallback|--repair|--no-build-output|-Q|-j*|-L|--refresh|--no-net) - extraBuildFlags+=("$i") - ;; - --option) - j="$1"; shift 1 - k="$1"; shift 1 - extraBuildFlags+=("$i" "$j" "$k") - ;; - --fast) - buildNix= - fast=1 - extraBuildFlags+=(--show-trace) - ;; - --profile-name|-p) - if [ -z "$1" ]; then - echo "$0: ‘--profile-name’ requires an argument" - exit 1 - fi - if [ "$1" != system ]; then - profile="/nix/var/nix/profiles/system-profiles/$1" - mkdir -p -m 0755 "$(dirname "$profile")" - fi - shift 1 - ;; - --build-host|h) - buildHost="$1" - shift 1 - ;; - --target-host|t) - targetHost="$1" - shift 1 - ;; - --use-remote-sudo) - maybeSudo=(sudo --) - ;; - --flake) - flake="$1" - shift 1 - ;; - --recreate-lock-file|--no-update-lock-file|--no-write-lock-file|--no-registries|--commit-lock-file) - lockFlags+=("$i") - ;; - --update-input) - j="$1"; shift 1 - lockFlags+=("$i" "$j") - ;; - --override-input) - j="$1"; shift 1 - k="$1"; shift 1 - lockFlags+=("$i" "$j" "$k") - ;; - *) - echo "$0: unknown option \`$i'" - exit 1 - ;; - esac -done - -if [ -n "$SUDO_USER" ]; then - maybeSudo=(sudo --) -fi - -if [ -z "$buildHost" -a -n "$targetHost" ]; then - buildHost="$targetHost" -fi -if [ "$targetHost" = localhost ]; then - targetHost= -fi -if [ "$buildHost" = localhost ]; then - buildHost= -fi - -buildHostCmd() { - if [ -z "$buildHost" ]; then - "$@" - elif [ -n "$remoteNix" ]; then - ssh $SSHOPTS "$buildHost" env PATH="$remoteNix:$PATH" "${maybeSudo[@]}" "$@" - else - ssh $SSHOPTS "$buildHost" "${maybeSudo[@]}" "$@" - fi -} - -targetHostCmd() { - if [ -z "$targetHost" ]; then - "${maybeSudo[@]}" "$@" - else - ssh $SSHOPTS "$targetHost" "${maybeSudo[@]}" "$@" - fi -} - -copyToTarget() { - if ! [ "$targetHost" = "$buildHost" ]; then - if [ -z "$targetHost" ]; then - NIX_SSHOPTS=$SSHOPTS nix-copy-closure --from "$buildHost" "$1" - elif [ -z "$buildHost" ]; then - NIX_SSHOPTS=$SSHOPTS nix-copy-closure --to "$targetHost" "$1" - else - buildHostCmd nix-copy-closure --to "$targetHost" "$1" - fi - fi -} - -nixBuild() { - if [ -z "$buildHost" ]; then - nix-build "$@" - else - local instArgs=() - local buildArgs=() - - while [ "$#" -gt 0 ]; do - local i="$1"; shift 1 - case "$i" in - -o) - local out="$1"; shift 1 - buildArgs+=("--add-root" "$out" "--indirect") - ;; - -A) - local j="$1"; shift 1 - instArgs+=("$i" "$j") - ;; - -I) # We don't want this in buildArgs - shift 1 - ;; - --no-out-link) # We don't want this in buildArgs - ;; - "<"*) # nix paths - instArgs+=("$i") - ;; - *) - buildArgs+=("$i") - ;; - esac - done - - local drv="$(nix-instantiate "${instArgs[@]}" "${extraBuildFlags[@]}")" - if [ -a "$drv" ]; then - NIX_SSHOPTS=$SSHOPTS nix-copy-closure --to "$buildHost" "$drv" - buildHostCmd nix-store -r "$drv" "${buildArgs[@]}" - else - echo "nix-instantiate failed" - exit 1 - fi - fi -} - - -if [ -z "$action" ]; then showSyntax; fi - -# Only run shell scripts from the Nixpkgs tree if the action is -# "switch", "boot", or "test". With other actions (such as "build"), -# the user may reasonably expect that no code from the Nixpkgs tree is -# executed, so it's safe to run nixos-rebuild against a potentially -# untrusted tree. -canRun= -if [ "$action" = switch -o "$action" = boot -o "$action" = test ]; then - canRun=1 -fi - - -# If ‘--upgrade’ is given, run ‘nix-channel --update nixos’. -if [[ -n $upgrade && -z $_NIXOS_REBUILD_REEXEC && -z $flake ]]; then - nix-channel --update nixos - - # If there are other channels that contain a file called - # ".update-on-nixos-rebuild", update them as well. - for channelpath in /nix/var/nix/profiles/per-user/root/channels/*; do - if [ -e "$channelpath/.update-on-nixos-rebuild" ]; then - nix-channel --update "$(basename "$channelpath")" - fi - done -fi - -# Make sure that we use the Nix package we depend on, not something -# else from the PATH for nix-{env,instantiate,build}. This is -# important, because NixOS defaults the architecture of the rebuilt -# system to the architecture of the nix-* binaries used. So if on an -# amd64 system the user has an i686 Nix package in her PATH, then we -# would silently downgrade the whole system to be i686 NixOS on the -# next reboot. -if [ -z "$_NIXOS_REBUILD_REEXEC" ]; then - export PATH=@nix@/bin:$PATH -fi - -# Use /etc/nixos/flake.nix if it exists. It can be a symlink to the -# actual flake. -if [[ -z $flake && -e /etc/nixos/flake.nix ]]; then - flake="$(dirname "$(readlink -f /etc/nixos/flake.nix)")" -fi - -# Re-execute nixos-rebuild from the Nixpkgs tree. -# FIXME: get nixos-rebuild from $flake. -if [[ -z $_NIXOS_REBUILD_REEXEC && -n $canRun && -z $fast && -z $flake ]]; then - if p=$(nix-build --no-out-link --expr 'with import <nixpkgs/nixos> {}; config.system.build.nixos-rebuild' "${extraBuildFlags[@]}"); then - export _NIXOS_REBUILD_REEXEC=1 - exec $p/bin/nixos-rebuild "${origArgs[@]}" - exit 1 - fi -fi - -# For convenience, use the hostname as the default configuration to -# build from the flake. -if [[ -n $flake ]]; then - if [[ $flake =~ ^(.*)\#([^\#\"]*)$ ]]; then - flake="${BASH_REMATCH[1]}" - flakeAttr="${BASH_REMATCH[2]}" - fi - if [[ -z $flakeAttr ]]; then - read -r hostname < /proc/sys/kernel/hostname - if [[ -z $hostname ]]; then - hostname=default - fi - flakeAttr="nixosConfigurations.\"$hostname\"" - else - flakeAttr="nixosConfigurations.\"$flakeAttr\"" - fi -fi - -# Resolve the flake. -if [[ -n $flake ]]; then - flake=$(nix flake info --json "${extraBuildFlags[@]}" "${lockFlags[@]}" -- "$flake" | jq -r .url) -fi - -# Find configuration.nix and open editor instead of building. -if [ "$action" = edit ]; then - if [[ -z $flake ]]; then - NIXOS_CONFIG=${NIXOS_CONFIG:-$(nix-instantiate --find-file nixos-config)} - exec "${EDITOR:-nano}" "$NIXOS_CONFIG" - else - exec nix edit "${lockFlags[@]}" -- "$flake#$flakeAttr" - fi - exit 1 -fi - - -tmpDir=$(mktemp -t -d nixos-rebuild.XXXXXX) -SSHOPTS="$NIX_SSHOPTS -o ControlMaster=auto -o ControlPath=$tmpDir/ssh-%n -o ControlPersist=60" - -cleanup() { - for ctrl in "$tmpDir"/ssh-*; do - ssh -o ControlPath="$ctrl" -O exit dummyhost 2>/dev/null || true - done - rm -rf "$tmpDir" -} -trap cleanup EXIT - - - -# If the Nix daemon is running, then use it. This allows us to use -# the latest Nix from Nixpkgs (below) for expression evaluation, while -# still using the old Nix (via the daemon) for actual store access. -# This matters if the new Nix in Nixpkgs has a schema change. It -# would upgrade the schema, which should only happen once we actually -# switch to the new configuration. -# If --repair is given, don't try to use the Nix daemon, because the -# flag can only be used directly. -if [ -z "$repair" ] && systemctl show nix-daemon.socket nix-daemon.service | grep -q ActiveState=active; then - export NIX_REMOTE=${NIX_REMOTE-daemon} -fi - - -# First build Nix, since NixOS may require a newer version than the -# current one. -if [ -n "$rollback" -o "$action" = dry-build ]; then - buildNix= -fi - -nixSystem() { - machine="$(uname -m)" - if [[ "$machine" =~ i.86 ]]; then - machine=i686 - fi - echo $machine-linux -} - -prebuiltNix() { - machine="$1" - if [ "$machine" = x86_64 ]; then - echo @nix_x86_64_linux@ - elif [[ "$machine" =~ i.86 ]]; then - echo @nix_i686_linux@ - else - echo "$0: unsupported platform" - exit 1 - fi -} - -remotePATH= - -if [[ -n $buildNix && -z $flake ]]; then - echo "building Nix..." >&2 - nixDrv= - if ! nixDrv="$(nix-instantiate '<nixpkgs/nixos>' --add-root $tmpDir/nix.drv --indirect -A config.nix.package.out "${extraBuildFlags[@]}")"; then - if ! nixDrv="$(nix-instantiate '<nixpkgs>' --add-root $tmpDir/nix.drv --indirect -A nix "${extraBuildFlags[@]}")"; then - if ! nixStorePath="$(nix-instantiate --eval '<nixpkgs/nixos/modules/installer/tools/nix-fallback-paths.nix>' -A $(nixSystem) | sed -e 's/^"//' -e 's/"$//')"; then - nixStorePath="$(prebuiltNix "$(uname -m)")" - fi - if ! nix-store -r $nixStorePath --add-root $tmpDir/nix --indirect \ - --option extra-binary-caches https://cache.nixos.org/; then - echo "warning: don't know how to get latest Nix" >&2 - fi - # Older version of nix-store -r don't support --add-root. - [ -e $tmpDir/nix ] || ln -sf $nixStorePath $tmpDir/nix - if [ -n "$buildHost" ]; then - remoteNixStorePath="$(prebuiltNix "$(buildHostCmd uname -m)")" - remoteNix="$remoteNixStorePath/bin" - if ! buildHostCmd nix-store -r $remoteNixStorePath \ - --option extra-binary-caches https://cache.nixos.org/ >/dev/null; then - remoteNix= - echo "warning: don't know how to get latest Nix" >&2 - fi - fi - fi - fi - if [ -a "$nixDrv" ]; then - nix-store -r "$nixDrv"'!'"out" --add-root $tmpDir/nix --indirect >/dev/null - if [ -n "$buildHost" ]; then - nix-copy-closure --to "$buildHost" "$nixDrv" - # The nix build produces multiple outputs, we add them all to the remote path - for p in $(buildHostCmd nix-store -r "$(readlink "$nixDrv")" "${buildArgs[@]}"); do - remoteNix="$remoteNix${remoteNix:+:}$p/bin" - done - fi - fi - PATH="$tmpDir/nix/bin:$PATH" -fi - - -# Update the version suffix if we're building from Git (so that -# nixos-version shows something useful). -if [[ -n $canRun && -z $flake ]]; then - if nixpkgs=$(nix-instantiate --find-file nixpkgs "${extraBuildFlags[@]}"); then - suffix=$($SHELL $nixpkgs/nixos/modules/installer/tools/get-version-suffix "${extraBuildFlags[@]}" || true) - if [ -n "$suffix" ]; then - echo -n "$suffix" > "$nixpkgs/.version-suffix" || true - fi - fi -fi - - -if [ "$action" = dry-build ]; then - extraBuildFlags+=(--dry-run) -fi - - -# Either upgrade the configuration in the system profile (for "switch" -# or "boot"), or just build it and create a symlink "result" in the -# current directory (for "build" and "test"). -if [ -z "$rollback" ]; then - echo "building the system configuration..." >&2 - if [ "$action" = switch -o "$action" = boot ]; then - if [[ -z $flake ]]; then - pathToConfig="$(nixBuild '<nixpkgs/nixos>' --no-out-link -A system "${extraBuildFlags[@]}")" - else - outLink=$tmpDir/result - nix build "$flake#$flakeAttr.config.system.build.toplevel" \ - "${extraBuildFlags[@]}" "${lockFlags[@]}" --out-link $outLink - pathToConfig="$(readlink -f $outLink)" - fi - copyToTarget "$pathToConfig" - targetHostCmd nix-env -p "$profile" --set "$pathToConfig" - elif [ "$action" = test -o "$action" = build -o "$action" = dry-build -o "$action" = dry-activate ]; then - if [[ -z $flake ]]; then - pathToConfig="$(nixBuild '<nixpkgs/nixos>' -A system -k "${extraBuildFlags[@]}")" - else - nix build "$flake#$flakeAttr.config.system.build.toplevel" "${extraBuildFlags[@]}" "${lockFlags[@]}" - pathToConfig="$(readlink -f ./result)" - fi - elif [ "$action" = build-vm ]; then - if [[ -z $flake ]]; then - pathToConfig="$(nixBuild '<nixpkgs/nixos>' -A vm -k "${extraBuildFlags[@]}")" - else - echo "$0: 'build-vm' is not supported with '--flake'" >&2 - exit 1 - fi - elif [ "$action" = build-vm-with-bootloader ]; then - if [[ -z $flake ]]; then - pathToConfig="$(nixBuild '<nixpkgs/nixos>' -A vmWithBootLoader -k "${extraBuildFlags[@]}")" - else - echo "$0: 'build-vm-with-bootloader' is not supported with '--flake'" >&2 - exit 1 - fi - else - showSyntax - fi - # Copy build to target host if we haven't already done it - if ! [ "$action" = switch -o "$action" = boot ]; then - copyToTarget "$pathToConfig" - fi -else # [ -n "$rollback" ] - if [ "$action" = switch -o "$action" = boot ]; then - targetHostCmd nix-env --rollback -p "$profile" - pathToConfig="$profile" - elif [ "$action" = test -o "$action" = build ]; then - systemNumber=$( - targetHostCmd nix-env -p "$profile" --list-generations | - sed -n '/current/ {g; p;}; s/ *\([0-9]*\).*/\1/; h' - ) - pathToConfig="$profile"-${systemNumber}-link - if [ -z "$targetHost" ]; then - ln -sT "$pathToConfig" ./result - fi - else - showSyntax - fi -fi - - -# If we're not just building, then make the new configuration the boot -# default and/or activate it now. -if [ "$action" = switch -o "$action" = boot -o "$action" = test -o "$action" = dry-activate ]; then - if ! targetHostCmd $pathToConfig/bin/switch-to-configuration "$action"; then - echo "warning: error(s) occurred while switching to the new configuration" >&2 - exit 1 - fi -fi - - -if [ "$action" = build-vm ]; then - cat >&2 <<EOF - -Done. The virtual machine can be started by running $(echo $pathToConfig/bin/run-*-vm) -EOF -fi |