run_once_arch_linux.bash.tmpl

#!/bin/bash

if [[ "${EUID}" == 0 ]]; then
  PACMANCMD=( pacman )
  SYSTEMCTLCMD=( systemctl )
else
  PACMANCMD=( sudo pacman )
  SYSTEMCTLCMD=( sudo systemctl )
fi

PACMANINSTALLCMD=( "${PACMANCMD[@]}" -Sq --needed --noconfirm )
PACMANQUERYCMD=( "${PACMANCMD[@]}" -Qqi )
PACMANUPDATECMD=( "${PACMANCMD[@]}" -Syuq --noconfirm )
PACMANLOCALINSTALLCMD=( "${PACMANCMD[@]}" -Uq --noconfirm )

YAYCMD=( yay )
YAYINSTALLCMD=( "${YAYCMD[@]}" -Sq --needed --noconfirm )
YAYUPDATECMD=( "${YAYCMD[@]}" -Syuaq --noconfirm )

SYSTEMCTLENABLECMD=( "${SYSTEMCTLCMD[@]}" -q enable )
SYSTEMCTLSTARTCMD=( "${SYSTEMCTLCMD[@]}" -q start )

NODEVERSION="lts/dubnium"
NPMCMD=( npm )
NPMINSTALLCMD=( "${NPMCMD[@]}" install -g )
NPMLOCALFINDCMD=( "${NPMCMD[@]}" ls -g )

PIPCMD=( pip )
PIPINSTALLCMD=( "${PIPCMD[@]}" install )
function pip_local_find {
  "${PIPCMD[@]}" list | ack "$1"
}


GEMCMD=( gem )
GEMINSTALLCMD=( "${GEMCMD[@]}" install )
GEMLOCALFINDCMD=( "${GEMCMD[@]}" list -lie )


# TODO: move setup code into another script
# "${PACMANCMD[@]}" ${PACMANINSTALLFLAGS[@]} reflector
# sudo reflector -l 100 --sort rate --save /etc/pacman.d/mirrorlist

# Uncomment if broadcom wireless driver is needed
# "${PACMANCMD[@]}" ${PACMANINSTALLFLAGS[@]} broadcom-wl-dkms
# sudo modprobe wl
# sudo echo "wl" >> /etc/modules-load.d/modprobe.conf

# Uncomment if on Intel processor
# "${PACMANCMD[@]}" ${PACMANINSTALLFLAGS[@]} intel-ucode mesa lib32-mesa vulkan-intel
# sudo grub-mkconfig -o /boot/grub/grub.cfg
# echo "Remember to edit /etc/mkinitcpio.conf to enable KVM"

# Activate software
# Uncomment for GNOME
# sudo systemctl enable gdm.service
# gsettings set org.gnome.desktop.interface gtk-theme Adapta-Eta
# Uncomment for XFCE
#"${SYSTEMCTLENABLECMD[@]}" lightdm.service
#echo "Remember to set greeter in /etc/lightdm/lightdm.conf!"

#"${SYSTEMCTLENABLECMD[@]}" docker.service
#"${SYSTEMCTLSTARTCMD[@]}" docker.service
#"${SYSTEMCTLENABLECMD[@]}" NetworkManager.service
#"${SYSTEMCTLSTARTCMD[@]}" NetworkManager.service


# Arch Linux packages
BASE_DEVEL=(autoconf automake binutils bison fakeroot file findutils flex gawk gcc gettext grep groff gzip libtool m4 make pacman patch pkgconf sed sudo systemd texinfo util-linux which)
DEV=("${BASE_DEVEL[@]}" ack blender chezmoi cmake docker docker-compose exa git git-lfs gimp inkscape jdk-openjdk mono neovim python-neovim python python-pip python2 ruby tmux vagrant virtualbox virtualbox-guest-iso virtualbox-guest-utils zsh)
# Uncomment to enable gnome
#GNOME=(file-roller gdm gnome-backgrounds gnome-boxes gnome-calculator gnome-characters gnome-clocks gnome-color-manager gnome-control-center gnome-disk-utility gnome-font-viewer gnome-getting-started-docs gnome-logs gnome-menus gnome-remote-desktop gnome-screenshot gnome-session gnome-settings-daemon gnome-shell gnome-system-monitor gnome-terminal gnome-themes-extra gnome-user-docs gvfs gvfs-afc gvfs-goa gvfs-google gvfs-gphoto2 gvfs-mtp gvfs-nfs gvfs-smb mousetweaks mutter nautilus rygel simple-scan sushi tracker tracker-miners xdg-user-dirs-gtk yelp)
#GNOMEEXTRA=(chrome-gnome-shell dconf-editor gnome-nettool gnome-tweaks gnome-usage)
# Uncomment to enable xfce
XFCE=(exo garcon thunar thunar-media-tags-plugin thunar-volman tumbler xfce4-appfinder xfce4-artwork xfce4-datetime-plugin xfce4-dev-tools xfce4-fsguard-plugin xfce4-netload-plugin xfce4-notifyd xfce4-panel xfce4-power-manager xfce4-pulseaudio-plugin xfce4-screenshooter xfce4-session xfce4-settings xfce4-systemload-plugin xfce4-taskmanager xfce4-terminal xfconf xfdesktop xfwm4 xfwm4-themes xfce4-battery-plugin xfce4-clipman-plugin xfce4-cpufreq-plugin xfce4-cpugraph-plugin xfce4-datetime-plugin xfce4-diskperf-plugin xfce4-fsguard-plugin xfce4-netload-plugin xfce4-notifyd xfce4-sensors-plugin xfce4-xkb-plugin)
XFCESUPPLEMENT=(lightdm lightdm-gtk-greeter lxtask pavucontrol)
INPUTMETHOD=(fcitx fcitx-configtool fcitx-gtk2 fcitx-gtk3 fcitx-qt5 fcitx-googlepinyin fcitx-mozc)
NETWORK=(networkmanager)
THEMING=(adapta-gtk-theme compton gtk-engine-murrine noto-fonts noto-fonts-cjk noto-fonts-emoji ttf-roboto)
OTHERS=(alsa-utils baobab efibootmgr evince btrfs-progs gnome-keyring grub keepass libsecret mpv ntp perl-rename pulseaudio seahorse xclip xdotool xf86-input-libinput xorg-xinput xsel)
AURDEV=(android-studio bfg gitflow-avh nvm unityhub)
AURINTERNET=(google-chrome discord)
AURENTERTAINMENT=(spotify)
AUROTHERS=(debtap lightdm-slick-greeter nerd-fonts-complete powerline-fonts-git python2-neovim ulauncher)
# Packages needed only at work
{{- if contains "bottle" .chezmoi.hostname }}
AURWORK=(synology-drive)
{{- else }}
AURWORK=()
{{- end }}
AURPACKAGES=("${AURDEV[@]}" "${AURINTERNET[@]}" "${AURENTERTAINMENT[@]}" "${AUROTHERS[@]}" "${AURWORK[@]}")
PACMANPACKAGES=("${DEV[@]}" "${GNOME[@]}" "${GNOMEEXTRA[@]}" "${XFCE[@]}" "${XFCESUPPLEMENT[@]}" "${INPUTMETHOD[@]}" "${NETWORK[@]}" "${DESKTOPAPPS[@]}" "${THEMING[@]}" "${OTHERS[@]}")

NPMPACKAGES=(expo-cli react-native-cli neovim)
PIPPACKAGES=(neovim powerline-status)
GEMPACKAGES=(tmuxinator gist)

PACMANMANAGEDPACKAGES=("${AURPACKAGES[@]}" "${PACMANPACKAGES[@]}")

function try_install_pacman_packages {
  local install_pacman_packages=false
  for package in "${PACMANMANAGEDPACKAGES[@]}"; do
    if [[ ! $("${PACMANQUERYCMD[@]}" "$package") ]]; then
      install_pacman_packages=true
    fi
  done

  if [[ "$install_pacman_packages" = false ]]; then
    echo "All pacman packages installed already."
    return
  else
    echo "Pacman packages missing. Continuing install."
  fi

  # Install packages from official repositories

  "${PACMANUPDATECMD[@]}"
  "${PACMANINSTALLCMD[@]}" ${PACMANPACKAGES[@]}

  # Install packages from AUR
  if [ ! -x /usr/bin/yay ]; then
    git clone https://aur.archlinux.org/yay.git
    cd yay
    makepkg -si
    "${PACMANLOCALINSTALLCMD[@]}" yay*.pkg.xz
    cd ..
    rm -rf yay
  fi

  "${YAYUPDATECMD[@]}"
  "${YAYINSTALLCMD[@]}" ${AURPACKAGES[@]}


  {{- if contains "bott" .chezmoi.hostname }}
  if ! pacman -Qqs "chat"; then
    chatname='Chat_1.0.1-40_amd64.deb'
    chaturl="https://global.download.synology.com/download/Tools/ChatClient/1.0.1-40/Ubuntu/x86_64/Chat_1.0.1-40_amd64.deb?model=DS1517&bays=5&dsm_version=6.2.2&build_number=24922"
    curl "${chaturl}" > "${chatname}"
    debtap "${chatname}"
  fi
  {{- end }}

}


# External non-arch packages

function try_install_npm_packages {
  if [[ ! $(type "${NPMCMD[@]}") ]]; then
    nvm install "${NODEVERSION}"
    nvm use "${NODEVERSION}"
  fi

  local install_npm_packages=false
  for package in "${NPMPACKAGES[@]}"; do
    if [[ ! $("${NPMLOCALFINDCMD[@]}" "$package") ]]; then
      install_npm_packages=true
    fi
  done

  if [[ "$install_npm_packages" = false ]]; then
    echo "All npm packages already installed."
    return
  else
    echo "npm packages missing. Continuing install."
  fi

  "${NPMINSTALLCMD[@]}" ${NPMPACKAGES[@]}
}

function try_install_pip_packages {
  local install_pip_packages=false
  for package in "${PIPPACKAGES[@]}"; do
    if [[ ! $(pip_local_find "$package") ]]; then
      install_pip_packages=true
    fi
  done

  if [[ "$install_pip_packages" = false ]]; then
    echo "All pip packages already installed."
    return
  else
    echo "$package missing"
    echo "Pip packages missing. Continuing install."
  fi

  "${PIPINSTALLCMD[@]}" ${PIPPACKAGES[@]}
}

function try_install_gems {
  local install_gems=false
  for package in "${GEMS[@]}"; do
    if [[ ! $("${GEMLOCALFINDCMD[@]}" "$package") ]]; then
      install_gems=true
    fi
  done

  if [[ "$install_gems" = false ]]; then
    echo "All gems already installed."
    return
  else
    echo "Gems missing. Continuing install."
  fi

  "${GEMINSTALLCMD[@]}" ${GEMS[@]}
}


try_install_pacman_packages
try_install_npm_packages
try_install_pip_packages
try_install_gems