PortValhalla/scripts/Common/OS/setup.fish

#!/bin/env fish
function runSetup
    set -l dir (status dirname)
    source "$dir/../Scripts/config.fish"
    source "$dir/../Scripts/hooks.fish"

    if [ -z "$CONFIG_NAME" ]
        selectProfile config
        set -x CONFIG_NAME "$config"
    end

    set -l mountDir (getOSConfig partition.rootDir)
    set -l projectRoot (realpath "$dir/../../..")
    set -l projectName (basename "$projectRoot")
    set -l PROJECT_CLONE_ROOT "/opt/$(basename "$projectName")"
    set -l script (mktemp)
    chmod +x "$script"

    if not type -q runChroot
        function runChroot -S
            command chroot $argv
        end
    end

    function getCloneFile -S -a path
        set -l relativeDir (realpath --relative-to "$projectRoot" "$dir")
        set -l relativePath (realpath --relative-to "$dir" "$path")
        echo "$PROJECT_CLONE_ROOT/$relativeDir/$relativePath"
    end

    function runInOS -S
        set -l script /root/run_once
        wrapScript $argv | chroot "$mountDir" tee "$script" >/dev/null
        and runChroot "$mountDir" chmod +x "$script"
        and runChroot "$mountDir" "$script"
        and runChroot "$mountDir" rm "$script"
    end

    function wrapScript -S
        printf %s\n \
            "cd $PROJECT_CLONE_ROOT" \
            "$argv"
    end

    echo "Partitioning drives..."
    and getOSConfig partition.script >"$script"
    and "$script"
    and rm "$script"

    # Copy `nixpkgs` channel
    and echo "Preparing nix..."

    and begin
        set -l channelDir /nix/var/nix/profiles/per-user/root/channels/nixpkgs
        mkdir -p (dirname "$mountDir/$channelDir")
        cp -r "$channelDir" "$mountDir/$channelDir"
    end

    and echo "Installing dependencies..."
    and runHook --force installValhallaDeps 'Please set up a function `installValhallaDeps` for installing `fish`, `git`, `jq`, `nix`, `sudo` and `tmux`.'

    and echo "Cloning project..."
    and source "$dir/../../copy-repo.fish" "$mountDir$PROJECT_CLONE_ROOT"
    runChroot "$mountDir" git config --system --add safe.directory "$PROJECT_CLONE_ROOT"
    and runHook setupOS

    and echo "Preparing auto-login..."
    and runHook --force autologin "Please set up a function `autologin` for  setting up autologin for the `root` user"

    and begin
        set -l script (string escape (getCloneFile (getInstallerScript)))

        wrapScript (
            string join " " \
                "CONFIG_NAME=$(string escape "$CONFIG_NAME")" \
                (string escape $script))

    end | runChroot "$mountDir" tee /root/.bash_profile >/dev/null

    and echo "Setup finished!"
    and echo "This machine will reboot in 5 seconds..."
    and echo "Press CTRL-C to abort..."
    and sleep 5
    and systemctl reboot
end