dotfiles/os/rebuild.sh
Geoffrey Frogeye 17f0ba3370
New rebuild mechanism
Put most of it as a flake app, so we can mess with it without relying on
`rb` being rebuilt. Also nom nom!
2024-06-10 02:12:59 +02:00

55 lines
1.5 KiB
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# Handle arguments
self="$1"
verb="$2"
shift
shift
if [ "$verb" != "build" ] && [ "$verb" != "test" ] && [ "$verb" != "boot" ] && [ "$verb" != "switch" ] && [ "$verb" != "confirm" ]
then
echo "Action should be one of: build, test, boot, switch, confirm"
exit 2
fi
# Build, looking nice
tmpdir="$(mktemp -d)"
# sudo so the eval cache is shared with nixos-rebuild
sudo nom build "$self#nixosConfigurations.$HOSTNAME.config.system.build.toplevel" -o "$tmpdir/toplevel" "$@"
toplevel="$(readlink "$tmpdir/toplevel")"
rm -rf "$tmpdir"
# Show diff
nvd diff /nix/var/nix/profiles/system "$toplevel"
# Figure out specialisation
specialisationArgs=""
currentSystem="$(readlink /run/current-system)"
while read -r specialisation
do
if [ "$(readlink "/nix/var/nix/profiles/system/specialisation/$specialisation")" = "$currentSystem" ]
then
specialisationArgs=("--specialisation" "$specialisation")
fi
done <<< "$(ls /nix/var/nix/profiles/system/specialisation)"
# Apply
if [ "$verb" = "confirm" ]
then
echo "Apply configuration? [y/N]"
read -r confirm
fi
if [ "$verb" = "test" ] || [ "$verb" = "switch" ] || [ "$confirm" = "y" ]
then
sudo nixos-rebuild --flake "$self#$HOSTNAME" test "${specialisationArgs[@]}" "$@"
fi
# Set as boot
if [ "$verb" = "confirm" ]
then
echo "Set configuration as boot? [y/N]"
read -r confirm
fi
if [ "$verb" = "boot" ] || [ "$verb" = "switch" ] || [ "$confirm" = "y" ]
then
sudo nixos-rebuild --flake "$self#$HOSTNAME" boot "$@"
fi